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The vision model from CLIP without any head or projection on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`CLIPConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#clipvisionmodel | #clipvisionmodel | .md | 254_22 |
CLIP vision encoder with an image classification head on top (a linear layer on top of the pooled final hidden states of
the patch tokens) e.g. for ImageNet.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`CLIPConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward
</pt>
<tf> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#clipforimageclassification | #clipforimageclassification | .md | 254_23 |
No docstring available for TFCLIPModel
Methods: call
- get_text_features
- get_image_features | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#tfclipmodel | #tfclipmodel | .md | 254_24 |
No docstring available for TFCLIPTextModel
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#tfcliptextmodel | #tfcliptextmodel | .md | 254_25 |
No docstring available for TFCLIPVisionModel
Methods: call
</tf>
<jax> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#tfclipvisionmodel | #tfclipvisionmodel | .md | 254_26 |
No docstring available for FlaxCLIPModel
Methods: __call__
- get_text_features
- get_image_features | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#flaxclipmodel | #flaxclipmodel | .md | 254_27 |
No docstring available for FlaxCLIPTextModel
Methods: __call__ | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#flaxcliptextmodel | #flaxcliptextmodel | .md | 254_28 |
No docstring available for FlaxCLIPTextModelWithProjection
Methods: __call__ | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#flaxcliptextmodelwithprojection | #flaxcliptextmodelwithprojection | .md | 254_29 |
No docstring available for FlaxCLIPVisionModel
Methods: __call__
</jax>
</frameworkcontent> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/clip.md | https://huggingface.co/docs/transformers/en/model_doc/clip/#flaxclipvisionmodel | #flaxclipvisionmodel | .md | 254_30 |
<!--Copyright 2024 The HuggingFace Team. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/ | .md | 255_0 |
|
The TextNet model was proposed in [FAST: Faster Arbitrarily-Shaped Text Detector with Minimalist Kernel Representation](https://arxiv.org/abs/2111.02394) by Zhe Chen, Jiahao Wang, Wenhai Wang, Guo Chen, Enze Xie, Ping Luo, Tong Lu. TextNet is a vision backbone useful for text detection tasks. It is the result of neural architecture search (NAS) on backbones with reward function as text detection task (to provide powerful features for text detection).
<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/fast_architecture.png"
alt="drawing" width="600"/>
<small> TextNet backbone as part of FAST. Taken from the <a href="https://arxiv.org/abs/2111.02394">original paper.</a> </small>
This model was contributed by [Raghavan](https://huggingface.co/Raghavan), [jadechoghari](https://huggingface.co/jadechoghari) and [nielsr](https://huggingface.co/nielsr). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#overview | #overview | .md | 255_1 |
TextNet is mainly used as a backbone network for the architecture search of text detection. Each stage of the backbone network is comprised of a stride-2 convolution and searchable blocks.
Specifically, we present a layer-level candidate set, defined as {conv3×3, conv1×3, conv3×1, identity}. As the 1×3 and 3×1 convolutions have asymmetric kernels and oriented structure priors, they may help to capture the features of extreme aspect-ratio and rotated text lines.
TextNet is the backbone for Fast, but can also be used as an efficient text/image classification, we add a `TextNetForImageClassification` as is it would allow people to train an image classifier on top of the pre-trained textnet weights | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#usage-tips | #usage-tips | .md | 255_2 |
This is the configuration class to store the configuration of a [`TextNextModel`]. It is used to instantiate a
TextNext model according to the specified arguments, defining the model architecture. Instantiating a configuration
with the defaults will yield a similar configuration to that of the
[czczup/textnet-base](https://huggingface.co/czczup/textnet-base). Configuration objects inherit from
[`PretrainedConfig`] and can be used to control the model outputs.Read the documentation from [`PretrainedConfig`]
for more information.
Args:
stem_kernel_size (`int`, *optional*, defaults to 3):
The kernel size for the initial convolution layer.
stem_stride (`int`, *optional*, defaults to 2):
The stride for the initial convolution layer.
stem_num_channels (`int`, *optional*, defaults to 3):
The num of channels in input for the initial convolution layer.
stem_out_channels (`int`, *optional*, defaults to 64):
The num of channels in out for the initial convolution layer.
stem_act_func (`str`, *optional*, defaults to `"relu"`):
The activation function for the initial convolution layer.
image_size (`Tuple[int, int]`, *optional*, defaults to `[640, 640]`):
The size (resolution) of each image.
conv_layer_kernel_sizes (`List[List[List[int]]]`, *optional*):
A list of stage-wise kernel sizes. If `None`, defaults to:
`[[[3, 3], [3, 3], [3, 3]], [[3, 3], [1, 3], [3, 3], [3, 1]], [[3, 3], [3, 3], [3, 1], [1, 3]], [[3, 3], [3, 1], [1, 3], [3, 3]]]`.
conv_layer_strides (`List[List[int]]`, *optional*):
A list of stage-wise strides. If `None`, defaults to:
`[[1, 2, 1], [2, 1, 1, 1], [2, 1, 1, 1], [2, 1, 1, 1]]`.
hidden_sizes (`List[int]`, *optional*, defaults to `[64, 64, 128, 256, 512]`):
Dimensionality (hidden size) at each stage.
batch_norm_eps (`float`, *optional*, defaults to 1e-05):
The epsilon used by the batch normalization layers.
initializer_range (`float`, *optional*, defaults to 0.02):
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
out_features (`List[str]`, *optional*):
If used as backbone, list of features to output. Can be any of `"stem"`, `"stage1"`, `"stage2"`, etc.
(depending on how many stages the model has). If unset and `out_indices` is set, will default to the
corresponding stages. If unset and `out_indices` is unset, will default to the last stage.
out_indices (`List[int]`, *optional*):
If used as backbone, list of indices of features to output. Can be any of 0, 1, 2, etc. (depending on how
many stages the model has). If unset and `out_features` is set, will default to the corresponding stages.
If unset and `out_features` is unset, will default to the last stage.
Examples:
```python
>>> from transformers import TextNetConfig, TextNetBackbone
>>> # Initializing a TextNetConfig
>>> configuration = TextNetConfig()
>>> # Initializing a model (with random weights)
>>> model = TextNetBackbone(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#textnetconfig | #textnetconfig | .md | 255_3 |
Constructs a TextNet image processor.
Args:
do_resize (`bool`, *optional*, defaults to `True`):
Whether to resize the image's (height, width) dimensions to the specified `size`. Can be overridden by
`do_resize` in the `preprocess` method.
size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 640}`):
Size of the image after resizing. The shortest edge of the image is resized to size["shortest_edge"], with
the longest edge resized to keep the input aspect ratio. Can be overridden by `size` in the `preprocess`
method.
size_divisor (`int`, *optional*, defaults to 32):
Ensures height and width are rounded to a multiple of this value after resizing.
resample (`PILImageResampling`, *optional*, defaults to `Resampling.BILINEAR`):
Resampling filter to use if resizing the image. Can be overridden by `resample` in the `preprocess` method.
do_center_crop (`bool`, *optional*, defaults to `False`):
Whether to center crop the image to the specified `crop_size`. Can be overridden by `do_center_crop` in the
`preprocess` method.
crop_size (`Dict[str, int]` *optional*, defaults to 224):
Size of the output image after applying `center_crop`. Can be overridden by `crop_size` in the `preprocess`
method.
do_rescale (`bool`, *optional*, defaults to `True`):
Whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by `do_rescale` in
the `preprocess` method.
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
Scale factor to use if rescaling the image. Can be overridden by `rescale_factor` in the `preprocess`
method.
do_normalize (`bool`, *optional*, defaults to `True`):
Whether to normalize the image. Can be overridden by `do_normalize` in the `preprocess` method.
image_mean (`float` or `List[float]`, *optional*, defaults to `[0.485, 0.456, 0.406]`):
Mean to use if normalizing the image. This is a float or list of floats the length of the number of
channels in the image. Can be overridden by the `image_mean` parameter in the `preprocess` method.
image_std (`float` or `List[float]`, *optional*, defaults to `[0.229, 0.224, 0.225]`):
Standard deviation to use if normalizing the image. This is a float or list of floats the length of the
number of channels in the image. Can be overridden by the `image_std` parameter in the `preprocess` method.
Can be overridden by the `image_std` parameter in the `preprocess` method.
do_convert_rgb (`bool`, *optional*, defaults to `True`):
Whether to convert the image to RGB.
Methods: preprocess | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#textnetimageprocessor | #textnetimageprocessor | .md | 255_4 |
The bare Textnet model outputting raw features without any specific head on top.
This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
behavior.
Parameters:
config ([`TextNetConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#textnetmodel | #textnetmodel | .md | 255_5 |
TextNet Model with an image classification head on top (a linear layer on top of the pooled features), e.g. for
ImageNet.
This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
behavior.
Parameters:
config ([`TextNetConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/textnet.md | https://huggingface.co/docs/transformers/en/model_doc/textnet/#textnetforimageclassification | #textnetforimageclassification | .md | 255_6 |
<!--Copyright 2024 The HuggingFace Team. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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specific language governing permissions and limitations under the License.
⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
rendered properly in your Markdown viewer.
--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/ | .md | 256_0 |
|
The RT-DETR model was proposed in [DETRs Beat YOLOs on Real-time Object Detection](https://arxiv.org/abs/2304.08069) by Wenyu Lv, Yian Zhao, Shangliang Xu, Jinman Wei, Guanzhong Wang, Cheng Cui, Yuning Du, Qingqing Dang, Yi Liu.
RT-DETR is an object detection model that stands for "Real-Time DEtection Transformer." This model is designed to perform object detection tasks with a focus on achieving real-time performance while maintaining high accuracy. Leveraging the transformer architecture, which has gained significant popularity in various fields of deep learning, RT-DETR processes images to identify and locate multiple objects within them.
The abstract from the paper is the following:
*Recently, end-to-end transformer-based detectors (DETRs) have achieved remarkable performance. However, the issue of the high computational cost of DETRs has not been effectively addressed, limiting their practical application and preventing them from fully exploiting the benefits of no post-processing, such as non-maximum suppression (NMS). In this paper, we first analyze the influence of NMS in modern real-time object detectors on inference speed, and establish an end-to-end speed benchmark. To avoid the inference delay caused by NMS, we propose a Real-Time DEtection TRansformer (RT-DETR), the first real-time end-to-end object detector to our best knowledge. Specifically, we design an efficient hybrid encoder to efficiently process multi-scale features by decoupling the intra-scale interaction and cross-scale fusion, and propose IoU-aware query selection to improve the initialization of object queries. In addition, our proposed detector supports flexibly adjustment of the inference speed by using different decoder layers without the need for retraining, which facilitates the practical application of real-time object detectors. Our RT-DETR-L achieves 53.0% AP on COCO val2017 and 114 FPS on T4 GPU, while RT-DETR-X achieves 54.8% AP and 74 FPS, outperforming all YOLO detectors of the same scale in both speed and accuracy. Furthermore, our RT-DETR-R50 achieves 53.1% AP and 108 FPS, outperforming DINO-Deformable-DETR-R50 by 2.2% AP in accuracy and by about 21 times in FPS.*
<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/rt_detr_overview.png"
alt="drawing" width="600"/>
<small> RT-DETR performance relative to YOLO models. Taken from the <a href="https://arxiv.org/abs/2304.08069">original paper.</a> </small>
The model version was contributed by [rafaelpadilla](https://huggingface.co/rafaelpadilla) and [sangbumchoi](https://github.com/SangbumChoi). The original code can be found [here](https://github.com/lyuwenyu/RT-DETR/). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#overview | #overview | .md | 256_1 |
Initially, an image is processed using a pre-trained convolutional neural network, specifically a Resnet-D variant as referenced in the original code. This network extracts features from the final three layers of the architecture. Following this, a hybrid encoder is employed to convert the multi-scale features into a sequential array of image features. Then, a decoder, equipped with auxiliary prediction heads is used to refine the object queries. This process facilitates the direct generation of bounding boxes, eliminating the need for any additional post-processing to acquire the logits and coordinates for the bounding boxes.
```py
>>> import torch
>>> import requests
>>> from PIL import Image
>>> from transformers import RTDetrForObjectDetection, RTDetrImageProcessor
>>> url = 'http://images.cocodataset.org/val2017/000000039769.jpg'
>>> image = Image.open(requests.get(url, stream=True).raw)
>>> image_processor = RTDetrImageProcessor.from_pretrained("PekingU/rtdetr_r50vd")
>>> model = RTDetrForObjectDetection.from_pretrained("PekingU/rtdetr_r50vd")
>>> inputs = image_processor(images=image, return_tensors="pt")
>>> with torch.no_grad():
... outputs = model(**inputs)
>>> results = image_processor.post_process_object_detection(outputs, target_sizes=torch.tensor([(image.height, image.width)]), threshold=0.3)
>>> for result in results:
... for score, label_id, box in zip(result["scores"], result["labels"], result["boxes"]):
... score, label = score.item(), label_id.item()
... box = [round(i, 2) for i in box.tolist()]
... print(f"{model.config.id2label[label]}: {score:.2f} {box}")
sofa: 0.97 [0.14, 0.38, 640.13, 476.21]
cat: 0.96 [343.38, 24.28, 640.14, 371.5]
cat: 0.96 [13.23, 54.18, 318.98, 472.22]
remote: 0.95 [40.11, 73.44, 175.96, 118.48]
remote: 0.92 [333.73, 76.58, 369.97, 186.99]
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#usage-tips | #usage-tips | .md | 256_2 |
A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with RT-DETR.
<PipelineTag pipeline="object-detection"/>
- Scripts for finetuning [`RTDetrForObjectDetection`] with [`Trainer`] or [Accelerate](https://huggingface.co/docs/accelerate/index) can be found [here](https://github.com/huggingface/transformers/tree/main/examples/pytorch/object-detection).
- See also: [Object detection task guide](../tasks/object_detection).
- Notebooks regarding inference and fine-tuning RT-DETR on a custom dataset can be found [here](https://github.com/NielsRogge/Transformers-Tutorials/tree/master/RT-DETR). 🌎 | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#resources | #resources | .md | 256_3 |
This is the configuration class to store the configuration of a [`RTDetrModel`]. It is used to instantiate a
RT-DETR model according to the specified arguments, defining the model architecture. Instantiating a configuration
with the defaults will yield a similar configuration to that of the RT-DETR
[checkpoing/todo](https://huggingface.co/checkpoing/todo) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
initializer_range (`float`, *optional*, defaults to 0.01):
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
initializer_bias_prior_prob (`float`, *optional*):
The prior probability used by the bias initializer to initialize biases for `enc_score_head` and `class_embed`.
If `None`, `prior_prob` computed as `prior_prob = 1 / (num_labels + 1)` while initializing model weights.
layer_norm_eps (`float`, *optional*, defaults to 1e-05):
The epsilon used by the layer normalization layers.
batch_norm_eps (`float`, *optional*, defaults to 1e-05):
The epsilon used by the batch normalization layers.
backbone_config (`Dict`, *optional*, defaults to `RTDetrResNetConfig()`):
The configuration of the backbone model.
backbone (`str`, *optional*):
Name of backbone to use when `backbone_config` is `None`. If `use_pretrained_backbone` is `True`, this
will load the corresponding pretrained weights from the timm or transformers library. If `use_pretrained_backbone`
is `False`, this loads the backbone's config and uses that to initialize the backbone with random weights.
use_pretrained_backbone (`bool`, *optional*, defaults to `False`):
Whether to use pretrained weights for the backbone.
use_timm_backbone (`bool`, *optional*, defaults to `False`):
Whether to load `backbone` from the timm library. If `False`, the backbone is loaded from the transformers
library.
freeze_backbone_batch_norms (`bool`, *optional*, defaults to `True`):
Whether to freeze the batch normalization layers in the backbone.
backbone_kwargs (`dict`, *optional*):
Keyword arguments to be passed to AutoBackbone when loading from a checkpoint
e.g. `{'out_indices': (0, 1, 2, 3)}`. Cannot be specified if `backbone_config` is set.
encoder_hidden_dim (`int`, *optional*, defaults to 256):
Dimension of the layers in hybrid encoder.
encoder_in_channels (`list`, *optional*, defaults to `[512, 1024, 2048]`):
Multi level features input for encoder.
feat_strides (`List[int]`, *optional*, defaults to `[8, 16, 32]`):
Strides used in each feature map.
encoder_layers (`int`, *optional*, defaults to 1):
Total of layers to be used by the encoder.
encoder_ffn_dim (`int`, *optional*, defaults to 1024):
Dimension of the "intermediate" (often named feed-forward) layer in decoder.
encoder_attention_heads (`int`, *optional*, defaults to 8):
Number of attention heads for each attention layer in the Transformer encoder.
dropout (`float`, *optional*, defaults to 0.0):
The ratio for all dropout layers.
activation_dropout (`float`, *optional*, defaults to 0.0):
The dropout ratio for activations inside the fully connected layer.
encode_proj_layers (`List[int]`, *optional*, defaults to `[2]`):
Indexes of the projected layers to be used in the encoder.
positional_encoding_temperature (`int`, *optional*, defaults to 10000):
The temperature parameter used to create the positional encodings.
encoder_activation_function (`str`, *optional*, defaults to `"gelu"`):
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
`"relu"`, `"silu"` and `"gelu_new"` are supported.
activation_function (`str`, *optional*, defaults to `"silu"`):
The non-linear activation function (function or string) in the general layer. If string, `"gelu"`,
`"relu"`, `"silu"` and `"gelu_new"` are supported.
eval_size (`Tuple[int, int]`, *optional*):
Height and width used to computes the effective height and width of the position embeddings after taking
into account the stride.
normalize_before (`bool`, *optional*, defaults to `False`):
Determine whether to apply layer normalization in the transformer encoder layer before self-attention and
feed-forward modules.
hidden_expansion (`float`, *optional*, defaults to 1.0):
Expansion ratio to enlarge the dimension size of RepVGGBlock and CSPRepLayer.
d_model (`int`, *optional*, defaults to 256):
Dimension of the layers exclude hybrid encoder.
num_queries (`int`, *optional*, defaults to 300):
Number of object queries.
decoder_in_channels (`list`, *optional*, defaults to `[256, 256, 256]`):
Multi level features dimension for decoder
decoder_ffn_dim (`int`, *optional*, defaults to 1024):
Dimension of the "intermediate" (often named feed-forward) layer in decoder.
num_feature_levels (`int`, *optional*, defaults to 3):
The number of input feature levels.
decoder_n_points (`int`, *optional*, defaults to 4):
The number of sampled keys in each feature level for each attention head in the decoder.
decoder_layers (`int`, *optional*, defaults to 6):
Number of decoder layers.
decoder_attention_heads (`int`, *optional*, defaults to 8):
Number of attention heads for each attention layer in the Transformer decoder.
decoder_activation_function (`str`, *optional*, defaults to `"relu"`):
The non-linear activation function (function or string) in the decoder. If string, `"gelu"`,
`"relu"`, `"silu"` and `"gelu_new"` are supported.
attention_dropout (`float`, *optional*, defaults to 0.0):
The dropout ratio for the attention probabilities.
num_denoising (`int`, *optional*, defaults to 100):
The total number of denoising tasks or queries to be used for contrastive denoising.
label_noise_ratio (`float`, *optional*, defaults to 0.5):
The fraction of denoising labels to which random noise should be added.
box_noise_scale (`float`, *optional*, defaults to 1.0):
Scale or magnitude of noise to be added to the bounding boxes.
learn_initial_query (`bool`, *optional*, defaults to `False`):
Indicates whether the initial query embeddings for the decoder should be learned during training
anchor_image_size (`Tuple[int, int]`, *optional*):
Height and width of the input image used during evaluation to generate the bounding box anchors. If None, automatic generate anchor is applied.
disable_custom_kernels (`bool`, *optional*, defaults to `True`):
Whether to disable custom kernels.
with_box_refine (`bool`, *optional*, defaults to `True`):
Whether to apply iterative bounding box refinement, where each decoder layer refines the bounding boxes
based on the predictions from the previous layer.
is_encoder_decoder (`bool`, *optional*, defaults to `True`):
Whether the architecture has an encoder decoder structure.
matcher_alpha (`float`, *optional*, defaults to 0.25):
Parameter alpha used by the Hungarian Matcher.
matcher_gamma (`float`, *optional*, defaults to 2.0):
Parameter gamma used by the Hungarian Matcher.
matcher_class_cost (`float`, *optional*, defaults to 2.0):
The relative weight of the class loss used by the Hungarian Matcher.
matcher_bbox_cost (`float`, *optional*, defaults to 5.0):
The relative weight of the bounding box loss used by the Hungarian Matcher.
matcher_giou_cost (`float`, *optional*, defaults to 2.0):
The relative weight of the giou loss of used by the Hungarian Matcher.
use_focal_loss (`bool`, *optional*, defaults to `True`):
Parameter informing if focal focal should be used.
auxiliary_loss (`bool`, *optional*, defaults to `True`):
Whether auxiliary decoding losses (loss at each decoder layer) are to be used.
focal_loss_alpha (`float`, *optional*, defaults to 0.75):
Parameter alpha used to compute the focal loss.
focal_loss_gamma (`float`, *optional*, defaults to 2.0):
Parameter gamma used to compute the focal loss.
weight_loss_vfl (`float`, *optional*, defaults to 1.0):
Relative weight of the varifocal loss in the object detection loss.
weight_loss_bbox (`float`, *optional*, defaults to 5.0):
Relative weight of the L1 bounding box loss in the object detection loss.
weight_loss_giou (`float`, *optional*, defaults to 2.0):
Relative weight of the generalized IoU loss in the object detection loss.
eos_coefficient (`float`, *optional*, defaults to 0.0001):
Relative classification weight of the 'no-object' class in the object detection loss.
Examples:
```python
>>> from transformers import RTDetrConfig, RTDetrModel
>>> # Initializing a RT-DETR configuration
>>> configuration = RTDetrConfig()
>>> # Initializing a model (with random weights) from the configuration
>>> model = RTDetrModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrconfig | #rtdetrconfig | .md | 256_4 |
This is the configuration class to store the configuration of a [`RTDetrResnetBackbone`]. It is used to instantiate an
ResNet model according to the specified arguments, defining the model architecture. Instantiating a configuration
with the defaults will yield a similar configuration to that of the ResNet
[microsoft/resnet-50](https://huggingface.co/microsoft/resnet-50) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
num_channels (`int`, *optional*, defaults to 3):
The number of input channels.
embedding_size (`int`, *optional*, defaults to 64):
Dimensionality (hidden size) for the embedding layer.
hidden_sizes (`List[int]`, *optional*, defaults to `[256, 512, 1024, 2048]`):
Dimensionality (hidden size) at each stage.
depths (`List[int]`, *optional*, defaults to `[3, 4, 6, 3]`):
Depth (number of layers) for each stage.
layer_type (`str`, *optional*, defaults to `"bottleneck"`):
The layer to use, it can be either `"basic"` (used for smaller models, like resnet-18 or resnet-34) or
`"bottleneck"` (used for larger models like resnet-50 and above).
hidden_act (`str`, *optional*, defaults to `"relu"`):
The non-linear activation function in each block. If string, `"gelu"`, `"relu"`, `"selu"` and `"gelu_new"`
are supported.
downsample_in_first_stage (`bool`, *optional*, defaults to `False`):
If `True`, the first stage will downsample the inputs using a `stride` of 2.
downsample_in_bottleneck (`bool`, *optional*, defaults to `False`):
If `True`, the first conv 1x1 in ResNetBottleNeckLayer will downsample the inputs using a `stride` of 2.
out_features (`List[str]`, *optional*):
If used as backbone, list of features to output. Can be any of `"stem"`, `"stage1"`, `"stage2"`, etc.
(depending on how many stages the model has). If unset and `out_indices` is set, will default to the
corresponding stages. If unset and `out_indices` is unset, will default to the last stage. Must be in the
same order as defined in the `stage_names` attribute.
out_indices (`List[int]`, *optional*):
If used as backbone, list of indices of features to output. Can be any of 0, 1, 2, etc. (depending on how
many stages the model has). If unset and `out_features` is set, will default to the corresponding stages.
If unset and `out_features` is unset, will default to the last stage. Must be in the
same order as defined in the `stage_names` attribute.
Example:
```python
>>> from transformers import RTDetrResNetConfig, RTDetrResnetBackbone
>>> # Initializing a ResNet resnet-50 style configuration
>>> configuration = RTDetrResNetConfig()
>>> # Initializing a model (with random weights) from the resnet-50 style configuration
>>> model = RTDetrResnetBackbone(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrresnetconfig | #rtdetrresnetconfig | .md | 256_5 |
Constructs a RT-DETR image processor.
Args:
format (`str`, *optional*, defaults to `AnnotationFormat.COCO_DETECTION`):
Data format of the annotations. One of "coco_detection" or "coco_panoptic".
do_resize (`bool`, *optional*, defaults to `True`):
Controls whether to resize the image's (height, width) dimensions to the specified `size`. Can be
overridden by the `do_resize` parameter in the `preprocess` method.
size (`Dict[str, int]` *optional*, defaults to `{"height": 640, "width": 640}`):
Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
in the `preprocess` method. Available options are:
- `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
Do NOT keep the aspect ratio.
- `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
less or equal to `longest_edge`.
- `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
`max_width`.
resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BILINEAR`):
Resampling filter to use if resizing the image.
do_rescale (`bool`, *optional*, defaults to `True`):
Controls whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by the
`do_rescale` parameter in the `preprocess` method.
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
Scale factor to use if rescaling the image. Can be overridden by the `rescale_factor` parameter in the
`preprocess` method.
Controls whether to normalize the image. Can be overridden by the `do_normalize` parameter in the
`preprocess` method.
do_normalize (`bool`, *optional*, defaults to `False`):
Whether to normalize the image.
image_mean (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_MEAN`):
Mean values to use when normalizing the image. Can be a single value or a list of values, one for each
channel. Can be overridden by the `image_mean` parameter in the `preprocess` method.
image_std (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_STD`):
Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
do_convert_annotations (`bool`, *optional*, defaults to `True`):
Controls whether to convert the annotations to the format expected by the DETR model. Converts the
bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
do_pad (`bool`, *optional*, defaults to `False`):
Controls whether to pad the image. Can be overridden by the `do_pad` parameter in the `preprocess`
method. If `True`, padding will be applied to the bottom and right of the image with zeros.
If `pad_size` is provided, the image will be padded to the specified dimensions.
Otherwise, the image will be padded to the maximum height and width of the batch.
pad_size (`Dict[str, int]`, *optional*):
The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
height and width in the batch.
Methods: preprocess
- post_process_object_detection | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrimageprocessor | #rtdetrimageprocessor | .md | 256_6 |
Constructs a fast RTDetr image processor.
Args:
format (`str`, *optional*, defaults to `AnnotationFormat.COCO_DETECTION`):
Data format of the annotations. One of "coco_detection" or "coco_panoptic".
do_resize (`bool`, *optional*, defaults to `True`):
Controls whether to resize the image's `(height, width)` dimensions to the specified `size`. Can be
overridden by the `do_resize` parameter in the `preprocess` method.
size (`Dict[str, int]` *optional*, defaults to `{"shortest_edge": 800, "longest_edge": 1333}`):
Size of the image's `(height, width)` dimensions after resizing. Can be overridden by the `size` parameter
in the `preprocess` method. Available options are:
- `{"height": int, "width": int}`: The image will be resized to the exact size `(height, width)`.
Do NOT keep the aspect ratio.
- `{"shortest_edge": int, "longest_edge": int}`: The image will be resized to a maximum size respecting
the aspect ratio and keeping the shortest edge less or equal to `shortest_edge` and the longest edge
less or equal to `longest_edge`.
- `{"max_height": int, "max_width": int}`: The image will be resized to the maximum size respecting the
aspect ratio and keeping the height less or equal to `max_height` and the width less or equal to
`max_width`.
resample (`PILImageResampling`, *optional*, defaults to `PILImageResampling.BILINEAR`):
Resampling filter to use if resizing the image.
do_rescale (`bool`, *optional*, defaults to `True`):
Controls whether to rescale the image by the specified scale `rescale_factor`. Can be overridden by the
`do_rescale` parameter in the `preprocess` method.
rescale_factor (`int` or `float`, *optional*, defaults to `1/255`):
Scale factor to use if rescaling the image. Can be overridden by the `rescale_factor` parameter in the
`preprocess` method.
do_normalize (`bool`, *optional*, defaults to `False`):
Controls whether to normalize the image. Can be overridden by the `do_normalize` parameter in the
`preprocess` method.
image_mean (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_MEAN`):
Mean values to use when normalizing the image. Can be a single value or a list of values, one for each
channel. Can be overridden by the `image_mean` parameter in the `preprocess` method.
image_std (`float` or `List[float]`, *optional*, defaults to `IMAGENET_DEFAULT_STD`):
Standard deviation values to use when normalizing the image. Can be a single value or a list of values, one
for each channel. Can be overridden by the `image_std` parameter in the `preprocess` method.
do_convert_annotations (`bool`, *optional*, defaults to `True`):
Controls whether to convert the annotations to the format expected by the RT_DETR model. Converts the
bounding boxes to the format `(center_x, center_y, width, height)` and in the range `[0, 1]`.
Can be overridden by the `do_convert_annotations` parameter in the `preprocess` method.
do_pad (`bool`, *optional*, defaults to `False`):
Controls whether to pad the image. Can be overridden by the `do_pad` parameter in the `preprocess`
method. If `True`, padding will be applied to the bottom and right of the image with zeros.
If `pad_size` is provided, the image will be padded to the specified dimensions.
Otherwise, the image will be padded to the maximum height and width of the batch.
pad_size (`Dict[str, int]`, *optional*):
The size `{"height": int, "width" int}` to pad the images to. Must be larger than any image size
provided for preprocessing. If `pad_size` is not provided, images will be padded to the largest
height and width in the batch.
Methods: preprocess
- post_process_object_detection | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrimageprocessorfast | #rtdetrimageprocessorfast | .md | 256_7 |
RT-DETR Model (consisting of a backbone and encoder-decoder) outputting raw hidden states without any head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`RTDetrConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrmodel | #rtdetrmodel | .md | 256_8 |
RT-DETR Model (consisting of a backbone and encoder-decoder) outputting bounding boxes and logits to be further
decoded into scores and classes.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`RTDetrConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrforobjectdetection | #rtdetrforobjectdetection | .md | 256_9 |
ResNet backbone, to be used with frameworks like RTDETR.
This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
behavior.
Parameters:
config ([`RTDetrResNetConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/rt_detr.md | https://huggingface.co/docs/transformers/en/model_doc/rt_detr/#rtdetrresnetbackbone | #rtdetrresnetbackbone | .md | 256_10 |
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/falcon3.md | https://huggingface.co/docs/transformers/en/model_doc/falcon3/ | .md | 257_0 |
|
Falcon3 represents a natural evolution from previous releases, emphasizing expanding the models' science, math, and code capabilities. This iteration includes five base models: Falcon3-1B-Base, Falcon3-3B-Base, Falcon3-Mamba-7B-Base, Falcon3-7B-Base, and Falcon3-10B-Base. In developing these models, we incorporated several key innovations aimed at improving the models' performances while reducing training costs:
One pre-training: We conducted a single large-scale pretraining run on the 7B model, using 2048 H100 GPU chips, leveraging 14 trillion tokens featuring web, code, STEM, and curated high-quality and multilingual data.
Depth up-scaling for improved reasoning: Building on recent studies on the effects of model depth, we upscaled the 7B model to a 10B parameters model by duplicating the redundant layers and continuing pre-training with 2TT of high-quality data. This yielded Falcon3-10B-Base which achieves state-of-the-art zero-shot and few-shot performance for models under 13B parameters.
Knowledge distillation for better tiny models: To provide compact and efficient alternatives, we developed Falcon3-1B-Base and Falcon3-3B-Base by leveraging pruning and knowledge distillation techniques, using less than 100GT of curated high-quality data, thereby redefining pre-training efficiency. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/falcon3.md | https://huggingface.co/docs/transformers/en/model_doc/falcon3/#overview | #overview | .md | 257_1 |
- [Blog post](https://huggingface.co/blog/falcon3)
- [Models on Huggingface](https://huggingface.co/collections/tiiuae/falcon3-67605ae03578be86e4e87026) | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/falcon3.md | https://huggingface.co/docs/transformers/en/model_doc/falcon3/#resources | #resources | .md | 257_2 |
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/ | .md | 258_0 |
|
The Idefics2 model was proposed in [What matters when building vision-language models?](https://arxiv.org/abs/2405.02246) by Léo Tronchon, Hugo Laurencon, Victor Sanh. The accompanying blog post can be found [here](https://huggingface.co/blog/idefics2).
Idefics2 is an open multimodal model that accepts arbitrary sequences of image and text inputs and produces text
outputs. The model can answer questions about images, describe visual content, create stories grounded on multiple
images, or simply behave as a pure language model without visual inputs. It improves upon IDEFICS-1, notably on
document understanding, OCR, or visual reasoning. Idefics2 is lightweight (8 billion parameters) and treats
images in their native aspect ratio and resolution, which allows for varying inference efficiency.
The abstract from the paper is the following:
*The growing interest in vision-language models (VLMs) has been driven by improvements in large language models and vision transformers. Despite the abundance of literature on this subject, we observe that critical decisions regarding the design of VLMs are often not justified. We argue that these unsupported decisions impede progress in the field by making it difficult to identify which choices improve model performance. To address this issue, we conduct extensive experiments around pre-trained models, architecture choice, data, and training methods. Our consolidation of findings includes the development of Idefics2, an efficient foundational VLM of 8 billion parameters. Idefics2 achieves state-of-the-art performance within its size category across various multimodal benchmarks, and is often on par with models four times its size. We release the model (base, instructed, and chat) along with the datasets created for its training.*
<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/idefics2_architecture.png"
alt="drawing" width="600"/>
<small> Idefics2 architecture. Taken from the <a href="https://arxiv.org/abs/2405.02246">original paper.</a> </small>
This model was contributed by [amyeroberts](https://huggingface.co/amyeroberts).
The original code can be found [here](https://huggingface.co/HuggingFaceM4/idefics2). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#overview | #overview | .md | 258_1 |
- Each sample can contain multiple images, and the number of images can vary between samples. The processor will pad the inputs to the maximum number of images in a batch for input to the model.
- The processor has a `do_image_splitting` option. If `True`, each input image will be split into 4 sub-images, and concatenated with the original to form 5 images. This is useful for increasing model performance. Make sure `processor.image_processor.do_image_splitting` is set to `False` if the model was not trained with this option.
- `text` passed to the processor should have the `<image>` tokens where the images should be inserted. And `<end_of_utterance>` at the end of each utterance if the text is a chat message.
- The processor has its own `apply_chat_template` method to convert chat messages to text that can then be passed as `text` to the processor.
Example of how to use the processor on chat messages:
```python
import requests
from PIL import Image
from transformers import Idefics2Processor, Idefics2ForConditionalGeneration
import torch
device = "cuda" if torch.cuda.is_available() else "cpu"
url_1 = "http://images.cocodataset.org/val2017/000000039769.jpg"
url_2 = "http://images.cocodataset.org/val2017/000000219578.jpg"
image_1 = Image.open(requests.get(url_1, stream=True).raw)
image_2 = Image.open(requests.get(url_2, stream=True).raw)
images = [image_1, image_2]
messages = [{
"role": "user",
"content": [
{"type": "text", "text": "What’s the difference between these two images?"},
{"type": "image"},
{"type": "image"},
],
}]
processor = Idefics2Processor.from_pretrained("HuggingFaceM4/idefics2-8b")
model = Idefics2ForConditionalGeneration.from_pretrained("HuggingFaceM4/idefics2-8b")
model.to(device)
# at inference time, one needs to pass `add_generation_prompt=True` in order to make sure the model completes the prompt
text = processor.apply_chat_template(messages, add_generation_prompt=True)
print(text)
# 'User: What’s the difference between these two images?<image><image><end_of_utterance>\nAssistant:'
inputs = processor(images=images, text=text, return_tensors="pt").to(device)
generated_text = model.generate(**inputs, max_new_tokens=500)
generated_text = processor.batch_decode(generated_text, skip_special_tokens=True)[0]
print("Generated text:", generated_text)
```
- During training, it's important to determine which tokens the model should not learn. For Idefics2, this typically comes down to the image and padding tokens. This means that one can create the labels as follows:
```python
import requests
from PIL import Image
from transformers import Idefics2Processor, Idefics2ForConditionalGeneration
import torch
url_1 = "http://images.cocodataset.org/val2017/000000039769.jpg"
url_2 = "http://images.cocodataset.org/val2017/000000219578.jpg"
image_1 = Image.open(requests.get(url_1, stream=True).raw)
image_2 = Image.open(requests.get(url_2, stream=True).raw)
images = [image_1, image_2]
messages = [{
"role": "user",
"content": [
{"type": "text", "text": "What’s the difference between these two images?"},
{"type": "image"},
{"type": "image"},
],
},
{
"role": "assistant",
"content": [
{"type": "text", "text": "The difference is that one image is about dogs and the other one about cats."},
],
}]
device = "cuda" if torch.cuda.is_available() else "cpu"
processor = Idefics2Processor.from_pretrained("HuggingFaceM4/idefics2-8b")
model = Idefics2ForConditionalGeneration.from_pretrained("HuggingFaceM4/idefics2-8b")
model.to(device)
text = processor.apply_chat_template(messages, add_generation_prompt=False)
inputs = processor(images=images, text=text, return_tensors="pt").to(device)
labels = inputs.input_ids.clone()
labels[labels == processor.tokenizer.pad_token_id] = -100
labels[labels == model.config.image_token_id] = -100
inputs["labels"] = labels
outputs = model(**inputs)
loss = outputs.loss
loss.backward()
```
Do note that when training Idefics2 on multi-turn conversations between a user and an assistant, one typically also sets all the tokens corresponding to the user messages to -100. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#usage-tips | #usage-tips | .md | 258_2 |
The code snippets above showcase inference without any optimization tricks. However, one can drastically speed up the model by leveraging [Flash Attention](../perf_train_gpu_one#flash-attention-2), which is a faster implementation of the attention mechanism used inside the model.
First, make sure to install the latest version of Flash Attention 2 to include the sliding window attention feature.
```bash
pip install -U flash-attn --no-build-isolation
```
Make also sure that you have a hardware that is compatible with Flash-Attention 2. Read more about it in the official documentation of the [flash attention repository](https://github.com/Dao-AILab/flash-attention). Make also sure to load your model in half-precision (e.g. `torch.float16`)
To load and run a model using Flash Attention-2, simply change the code snippet above with the following change:
```diff
model = Idefics2ForConditionalGeneration.from_pretrained(
"HuggingFaceM4/idefics2-8b",
+ torch_dtype=torch.float16,
+ attn_implementation="flash_attention_2",
).to(device)
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#model-optimizations-flash-attention | #model-optimizations-flash-attention | .md | 258_3 |
As the Idefics2 model has 8 billion parameters, that would require about 16GB of GPU RAM in half precision (float16), since each parameter is stored in 2 bytes. However, one can shrink down the size of the model using [quantization](../quantization.md). If the model is quantized to 4 bits (or half a byte per parameter), that requires only about 3.5GB of RAM.
Quantizing a model is as simple as passing a `quantization_config` to the model. One can change the code snippet above with the changes below. We'll leverage the BitsAndyBytes quantization (but refer to [this page](../quantization.md) for other quantization methods):
```diff
+ from transformers import BitsAndBytesConfig
+ quantization_config = BitsAndBytesConfig(
+ load_in_4bit=True,
+ bnb_4bit_quant_type="nf4",
+ bnb_4bit_use_double_quant=True,
+ bnb_4bit_compute_dtype=torch.float16
+ )
model = Idefics2ForConditionalGeneration.from_pretrained(
"HuggingFaceM4/idefics2-8b",
+ torch_dtype=torch.float16,
+ quantization_config=quantization_config,
).to(device)
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#shrinking-down-idefics2-using-quantization | #shrinking-down-idefics2-using-quantization | .md | 258_4 |
A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with Idefics2. If you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll review it! The resource should ideally demonstrate something new instead of duplicating an existing resource.
- A notebook on how to fine-tune Idefics2 on a custom dataset using the [Trainer](../main_classes/trainer.md) can be found [here](https://colab.research.google.com/drive/1NtcTgRbSBKN7pYD3Vdx1j9m8pt3fhFDB?usp=sharing). It supports both full fine-tuning as well as (quantized) LoRa.
- A script regarding how to fine-tune Idefics2 using the TRL library can be found [here](https://gist.github.com/edbeeching/228652fc6c2b29a1641be5a5778223cb).
- Demo notebook regarding fine-tuning Idefics2 for JSON extraction use cases can be found [here](https://github.com/NielsRogge/Transformers-Tutorials/tree/master/Idefics2). 🌎 | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#resources | #resources | .md | 258_5 |
This is the configuration class to store the configuration of a [`Idefics2Model`]. It is used to instantiate a
Idefics2 model according to the specified arguments, defining the model architecture. Instantiating a
configuration with the defaults will yield a similar configuration to that of the model of the Idefics2
[HuggingFaceM4/idefics2-8b](https://huggingface.co/HuggingFaceM4/idefics2-8b) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
use_cache (`bool`, *optional*, defaults to `True`):
Whether or not the model should cache the key/value pairs of the attention mechanism.
image_token_id (`int`, *optional*, defaults to 32001):
The id of the "image" token.
tie_word_embeddings (`bool`, *optional*, defaults to `False`):
Whether or not to tie the word embeddings with the token embeddings.
vision_config (`IdeficsVisionConfig` or `dict`, *optional*):
Custom vision config or dict
perceiver_config (`IdeficsPerceiverConfig` or `dict`, *optional*):
Custom perceiver config or dict
text_config (`MistralConfig` or `dict`, *optional*):
Custom text config or dict for the text model
Example:
```python
>>> from transformers import Idefics2Model, Idefics2Config
>>> # Initializing configuration
>>> configuration = Idefics2Config()
>>> # Initializing a model from the configuration
>>> model = Idefics2Model(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#idefics2config | #idefics2config | .md | 258_6 |
Idefics2 model consisting of a SIGLIP vision encoder and Mistral language decoder
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Idefics2Config`] or [`Idefics2VisionConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#idefics2model | #idefics2model | .md | 258_7 |
The Idefics2 Model with a language modeling head. It is made up a SigLIP vision encoder, with a language modeling head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Idefics2Config`] or [`Idefics2VisionConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward
Constructs a Idefics image processor.
Args:
do_convert_rgb (`bool`, *optional*, defaults to `True`):
Whether to convert the image to RGB. This is useful if the input image is of a different format e.g. RGBA.
Only has an effect if the input image is in the PIL format.
do_resize (`bool`, *optional*, defaults to `True`):
Whether to resize the image. The longest edge of the image is resized to be <= `size["longest_edge"]`, with the
shortest edge resized to keep the input aspect ratio, with a minimum size of `size["shortest_edge"]`.
size (`Dict`, *optional*):
Controls the size of the output image. This is a dictionary containing the keys "shortest_edge" and "longest_edge".
resample (`Resampling`, *optional*, defaults to `Resampling.BILINEAR`):
Resampling filter to use when resizing the image.
do_rescale (`bool`, *optional*, defaults to `True`):
Whether to rescale the image. If set to `True`, the image is rescaled to have pixel values between 0 and 1.
rescale_factor (`float`, *optional*, defaults to `1/255`):
Rescale factor to rescale the image by if `do_rescale` is set to `True`.
do_normalize (`bool`, *optional*, defaults to `True`):
Whether to normalize the image. If set to `True`, the image is normalized to have a mean of `image_mean` and
a standard deviation of `image_std`.
image_mean (`float` or `List[float]`, *optional*, defaults to `IDEFICS_STANDARD_MEAN`):
Mean to use if normalizing the image. This is a float or list of floats the length of the number of
channels in the image. Can be overridden by the `image_mean` parameter in the `preprocess` method. Can be
overridden by the `image_mean` parameter in the `preprocess` method.
image_std (`float` or `List[float]`, *optional*, defaults to `IDEFICS_STANDARD_STD`):
Standard deviation to use if normalizing the image. This is a float or list of floats the length of the
number of channels in the image. Can be overridden by the `image_std` parameter in the `preprocess` method.
Can be overridden by the `image_std` parameter in the `preprocess` method.
do_pad (`bool`, *optional*, defaults to `True`):
Whether or not to pad the images to the largest height and width in the batch and number of images per
sample in the batch, such that the returned tensor is of shape (batch_size, max_num_images, num_channels, max_height, max_width).
do_image_splitting (`bool`, *optional*, defaults to `False`):
Whether to split the image into a sequence 4 equal sub-images concatenated with the original image. That
strategy was first introduced in https://arxiv.org/abs/2311.06607.
Methods: preprocess
Constructs a IDEFICS2 processor which wraps a LLama tokenizer and IDEFICS2 image processor into a single processor.
[`IdeficsProcessor`] offers all the functionalities of [`Idefics2ImageProcessor`] and [`LlamaTokenizerFast`]. See
the docstring of [`~IdeficsProcessor.__call__`] and [`~IdeficsProcessor.decode`] for more information.
Args:
image_processor (`Idefics2ImageProcessor`):
An instance of [`Idefics2ImageProcessor`]. The image processor is a required input.
tokenizer (`PreTrainedTokenizerBase`, *optional*):
An instance of [`PreTrainedTokenizerBase`]. This should correspond with the model's text model. The tokenizer is a required input.
image_seq_len (`int`, *optional*, defaults to 64):
The length of the image sequence i.e. the number of <image> tokens per image in the input.
This parameter is used to build the string from the input prompt and image tokens and should match the
config.perceiver_config.resampler_n_latents value for the model used.
chat_template (`str`, *optional*): A Jinja template which will be used to convert lists of messages
in a chat into a tokenizable string.
Methods: __call__ | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/idefics2.md | https://huggingface.co/docs/transformers/en/model_doc/idefics2/#idefics2forconditionalgeneration | #idefics2forconditionalgeneration | .md | 258_8 |
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/ | .md | 259_0 |
|
The Informer model was proposed in [Informer: Beyond Efficient Transformer for Long Sequence Time-Series Forecasting](https://arxiv.org/abs/2012.07436) by Haoyi Zhou, Shanghang Zhang, Jieqi Peng, Shuai Zhang, Jianxin Li, Hui Xiong, and Wancai Zhang.
This method introduces a Probabilistic Attention mechanism to select the "active" queries rather than the "lazy" queries and provides a sparse Transformer thus mitigating the quadratic compute and memory requirements of vanilla attention.
The abstract from the paper is the following:
*Many real-world applications require the prediction of long sequence time-series, such as electricity consumption planning. Long sequence time-series forecasting (LSTF) demands a high prediction capacity of the model, which is the ability to capture precise long-range dependency coupling between output and input efficiently. Recent studies have shown the potential of Transformer to increase the prediction capacity. However, there are several severe issues with Transformer that prevent it from being directly applicable to LSTF, including quadratic time complexity, high memory usage, and inherent limitation of the encoder-decoder architecture. To address these issues, we design an efficient transformer-based model for LSTF, named Informer, with three distinctive characteristics: (i) a ProbSparse self-attention mechanism, which achieves O(L logL) in time complexity and memory usage, and has comparable performance on sequences' dependency alignment. (ii) the self-attention distilling highlights dominating attention by halving cascading layer input, and efficiently handles extreme long input sequences. (iii) the generative style decoder, while conceptually simple, predicts the long time-series sequences at one forward operation rather than a step-by-step way, which drastically improves the inference speed of long-sequence predictions. Extensive experiments on four large-scale datasets demonstrate that Informer significantly outperforms existing methods and provides a new solution to the LSTF problem.*
This model was contributed by [elisim](https://huggingface.co/elisim) and [kashif](https://huggingface.co/kashif).
The original code can be found [here](https://github.com/zhouhaoyi/Informer2020). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/#overview | #overview | .md | 259_1 |
A list of official Hugging Face and community (indicated by 🌎) resources to help you get started. If you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll review it! The resource should ideally demonstrate something new instead of duplicating an existing resource.
- Check out the Informer blog-post in HuggingFace blog: [Multivariate Probabilistic Time Series Forecasting with Informer](https://huggingface.co/blog/informer) | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/#resources | #resources | .md | 259_2 |
This is the configuration class to store the configuration of an [`InformerModel`]. It is used to instantiate an
Informer model according to the specified arguments, defining the model architecture. Instantiating a configuration
with the defaults will yield a similar configuration to that of the Informer
[huggingface/informer-tourism-monthly](https://huggingface.co/huggingface/informer-tourism-monthly) architecture.
Configuration objects inherit from [`PretrainedConfig`] can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
prediction_length (`int`):
The prediction length for the decoder. In other words, the prediction horizon of the model. This value is
typically dictated by the dataset and we recommend to set it appropriately.
context_length (`int`, *optional*, defaults to `prediction_length`):
The context length for the encoder. If `None`, the context length will be the same as the
`prediction_length`.
distribution_output (`string`, *optional*, defaults to `"student_t"`):
The distribution emission head for the model. Could be either "student_t", "normal" or "negative_binomial".
loss (`string`, *optional*, defaults to `"nll"`):
The loss function for the model corresponding to the `distribution_output` head. For parametric
distributions it is the negative log likelihood (nll) - which currently is the only supported one.
input_size (`int`, *optional*, defaults to 1):
The size of the target variable which by default is 1 for univariate targets. Would be > 1 in case of
multivariate targets.
scaling (`string` or `bool`, *optional* defaults to `"mean"`):
Whether to scale the input targets via "mean" scaler, "std" scaler or no scaler if `None`. If `True`, the
scaler is set to "mean".
lags_sequence (`list[int]`, *optional*, defaults to `[1, 2, 3, 4, 5, 6, 7]`):
The lags of the input time series as covariates often dictated by the frequency of the data. Default is
`[1, 2, 3, 4, 5, 6, 7]` but we recommend to change it based on the dataset appropriately.
num_time_features (`int`, *optional*, defaults to 0):
The number of time features in the input time series.
num_dynamic_real_features (`int`, *optional*, defaults to 0):
The number of dynamic real valued features.
num_static_categorical_features (`int`, *optional*, defaults to 0):
The number of static categorical features.
num_static_real_features (`int`, *optional*, defaults to 0):
The number of static real valued features.
cardinality (`list[int]`, *optional*):
The cardinality (number of different values) for each of the static categorical features. Should be a list
of integers, having the same length as `num_static_categorical_features`. Cannot be `None` if
`num_static_categorical_features` is > 0.
embedding_dimension (`list[int]`, *optional*):
The dimension of the embedding for each of the static categorical features. Should be a list of integers,
having the same length as `num_static_categorical_features`. Cannot be `None` if
`num_static_categorical_features` is > 0.
d_model (`int`, *optional*, defaults to 64):
Dimensionality of the transformer layers.
encoder_layers (`int`, *optional*, defaults to 2):
Number of encoder layers.
decoder_layers (`int`, *optional*, defaults to 2):
Number of decoder layers.
encoder_attention_heads (`int`, *optional*, defaults to 2):
Number of attention heads for each attention layer in the Transformer encoder.
decoder_attention_heads (`int`, *optional*, defaults to 2):
Number of attention heads for each attention layer in the Transformer decoder.
encoder_ffn_dim (`int`, *optional*, defaults to 32):
Dimension of the "intermediate" (often named feed-forward) layer in encoder.
decoder_ffn_dim (`int`, *optional*, defaults to 32):
Dimension of the "intermediate" (often named feed-forward) layer in decoder.
activation_function (`str` or `function`, *optional*, defaults to `"gelu"`):
The non-linear activation function (function or string) in the encoder and decoder. If string, `"gelu"` and
`"relu"` are supported.
dropout (`float`, *optional*, defaults to 0.1):
The dropout probability for all fully connected layers in the encoder, and decoder.
encoder_layerdrop (`float`, *optional*, defaults to 0.1):
The dropout probability for the attention and fully connected layers for each encoder layer.
decoder_layerdrop (`float`, *optional*, defaults to 0.1):
The dropout probability for the attention and fully connected layers for each decoder layer.
attention_dropout (`float`, *optional*, defaults to 0.1):
The dropout probability for the attention probabilities.
activation_dropout (`float`, *optional*, defaults to 0.1):
The dropout probability used between the two layers of the feed-forward networks.
num_parallel_samples (`int`, *optional*, defaults to 100):
The number of samples to generate in parallel for each time step of inference.
init_std (`float`, *optional*, defaults to 0.02):
The standard deviation of the truncated normal weight initialization distribution.
use_cache (`bool`, *optional*, defaults to `True`):
Whether to use the past key/values attentions (if applicable to the model) to speed up decoding.
attention_type (`str`, *optional*, defaults to "prob"):
Attention used in encoder. This can be set to "prob" (Informer's ProbAttention) or "full" (vanilla
transformer's canonical self-attention).
sampling_factor (`int`, *optional*, defaults to 5):
ProbSparse sampling factor (only makes affect when `attention_type`="prob"). It is used to control the
reduced query matrix (Q_reduce) input length.
distil (`bool`, *optional*, defaults to `True`):
Whether to use distilling in encoder.
Example:
```python
>>> from transformers import InformerConfig, InformerModel
>>> # Initializing an Informer configuration with 12 time steps for prediction
>>> configuration = InformerConfig(prediction_length=12)
>>> # Randomly initializing a model (with random weights) from the configuration
>>> model = InformerModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/#informerconfig | #informerconfig | .md | 259_3 |
The bare Informer Model outputting raw hidden-states without any specific head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`TimeSeriesTransformerConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/#informermodel | #informermodel | .md | 259_4 |
The Informer Model with a distribution head on top for time-series forecasting.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`TimeSeriesTransformerConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/informer.md | https://huggingface.co/docs/transformers/en/model_doc/informer/#informerforprediction | #informerforprediction | .md | 259_5 |
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the License. You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/herbert.md | https://huggingface.co/docs/transformers/en/model_doc/herbert/ | .md | 260_0 |
|
The HerBERT model was proposed in [KLEJ: Comprehensive Benchmark for Polish Language Understanding](https://www.aclweb.org/anthology/2020.acl-main.111.pdf) by Piotr Rybak, Robert Mroczkowski, Janusz Tracz, and
Ireneusz Gawlik. It is a BERT-based Language Model trained on Polish Corpora using only MLM objective with dynamic
masking of whole words.
The abstract from the paper is the following:
*In recent years, a series of Transformer-based models unlocked major improvements in general natural language
understanding (NLU) tasks. Such a fast pace of research would not be possible without general NLU benchmarks, which
allow for a fair comparison of the proposed methods. However, such benchmarks are available only for a handful of
languages. To alleviate this issue, we introduce a comprehensive multi-task benchmark for the Polish language
understanding, accompanied by an online leaderboard. It consists of a diverse set of tasks, adopted from existing
datasets for named entity recognition, question-answering, textual entailment, and others. We also introduce a new
sentiment analysis task for the e-commerce domain, named Allegro Reviews (AR). To ensure a common evaluation scheme and
promote models that generalize to different NLU tasks, the benchmark includes datasets from varying domains and
applications. Additionally, we release HerBERT, a Transformer-based model trained specifically for the Polish language,
which has the best average performance and obtains the best results for three out of nine tasks. Finally, we provide an
extensive evaluation, including several standard baselines and recently proposed, multilingual Transformer-based
models.*
This model was contributed by [rmroczkowski](https://huggingface.co/rmroczkowski). The original code can be found
[here](https://github.com/allegro/HerBERT). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/herbert.md | https://huggingface.co/docs/transformers/en/model_doc/herbert/#overview | #overview | .md | 260_1 |
```python
>>> from transformers import HerbertTokenizer, RobertaModel
>>> tokenizer = HerbertTokenizer.from_pretrained("allegro/herbert-klej-cased-tokenizer-v1")
>>> model = RobertaModel.from_pretrained("allegro/herbert-klej-cased-v1")
>>> encoded_input = tokenizer.encode("Kto ma lepszą sztukę, ma lepszy rząd – to jasne.", return_tensors="pt")
>>> outputs = model(encoded_input)
>>> # HerBERT can also be loaded using AutoTokenizer and AutoModel:
>>> import torch
>>> from transformers import AutoModel, AutoTokenizer
>>> tokenizer = AutoTokenizer.from_pretrained("allegro/herbert-klej-cased-tokenizer-v1")
>>> model = AutoModel.from_pretrained("allegro/herbert-klej-cased-v1")
```
<Tip>
Herbert implementation is the same as `BERT` except for the tokenization method. Refer to [BERT documentation](bert)
for API reference and examples.
</Tip> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/herbert.md | https://huggingface.co/docs/transformers/en/model_doc/herbert/#usage-example | #usage-example | .md | 260_2 |
Construct a BPE tokenizer for HerBERT.
Peculiarities:
- uses BERT's pre-tokenizer: BaseTokenizer splits tokens on spaces, and also on punctuation. Each occurrence of a
punctuation character will be treated separately.
- Such pretokenized input is BPE subtokenized
This tokenizer inherits from [`XLMTokenizer`] which contains most of the methods. Users should refer to the
superclass for more information regarding methods. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/herbert.md | https://huggingface.co/docs/transformers/en/model_doc/herbert/#herberttokenizer | #herberttokenizer | .md | 260_3 |
Construct a "Fast" BPE tokenizer for HerBERT (backed by HuggingFace's *tokenizers* library).
Peculiarities:
- uses BERT's pre-tokenizer: BertPreTokenizer splits tokens on spaces, and also on punctuation. Each occurrence of
a punctuation character will be treated separately.
This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the methods. Users should refer to the
superclass for more information regarding methods.
Args:
vocab_file (`str`):
Path to the vocabulary file.
merges_file (`str`):
Path to the merges file. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/herbert.md | https://huggingface.co/docs/transformers/en/model_doc/herbert/#herberttokenizerfast | #herberttokenizerfast | .md | 260_4 |
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--> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/ | .md | 261_0 |
|
The EnCodec neural codec model was proposed in [High Fidelity Neural Audio Compression](https://arxiv.org/abs/2210.13438) by Alexandre Défossez, Jade Copet, Gabriel Synnaeve, Yossi Adi.
The abstract from the paper is the following:
*We introduce a state-of-the-art real-time, high-fidelity, audio codec leveraging neural networks. It consists in a streaming encoder-decoder architecture with quantized latent space trained in an end-to-end fashion. We simplify and speed-up the training by using a single multiscale spectrogram adversary that efficiently reduces artifacts and produce high-quality samples. We introduce a novel loss balancer mechanism to stabilize training: the weight of a loss now defines the fraction of the overall gradient it should represent, thus decoupling the choice of this hyper-parameter from the typical scale of the loss. Finally, we study how lightweight Transformer models can be used to further compress the obtained representation by up to 40%, while staying faster than real time. We provide a detailed description of the key design choices of the proposed model including: training objective, architectural changes and a study of various perceptual loss functions. We present an extensive subjective evaluation (MUSHRA tests) together with an ablation study for a range of bandwidths and audio domains, including speech, noisy-reverberant speech, and music. Our approach is superior to the baselines methods across all evaluated settings, considering both 24 kHz monophonic and 48 kHz stereophonic audio.*
This model was contributed by [Matthijs](https://huggingface.co/Matthijs), [Patrick Von Platen](https://huggingface.co/patrickvonplaten) and [Arthur Zucker](https://huggingface.co/ArthurZ).
The original code can be found [here](https://github.com/facebookresearch/encodec). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/#overview | #overview | .md | 261_1 |
Here is a quick example of how to encode and decode an audio using this model:
```python
>>> from datasets import load_dataset, Audio
>>> from transformers import EncodecModel, AutoProcessor
>>> librispeech_dummy = load_dataset("hf-internal-testing/librispeech_asr_dummy", "clean", split="validation")
>>> model = EncodecModel.from_pretrained("facebook/encodec_24khz")
>>> processor = AutoProcessor.from_pretrained("facebook/encodec_24khz")
>>> librispeech_dummy = librispeech_dummy.cast_column("audio", Audio(sampling_rate=processor.sampling_rate))
>>> audio_sample = librispeech_dummy[-1]["audio"]["array"]
>>> inputs = processor(raw_audio=audio_sample, sampling_rate=processor.sampling_rate, return_tensors="pt")
>>> encoder_outputs = model.encode(inputs["input_values"], inputs["padding_mask"])
>>> audio_values = model.decode(encoder_outputs.audio_codes, encoder_outputs.audio_scales, inputs["padding_mask"])[0]
>>> # or the equivalent with a forward pass
>>> audio_values = model(inputs["input_values"], inputs["padding_mask"]).audio_values
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/#usage-example | #usage-example | .md | 261_2 |
This is the configuration class to store the configuration of an [`EncodecModel`]. It is used to instantiate a
Encodec model according to the specified arguments, defining the model architecture. Instantiating a configuration
with the defaults will yield a similar configuration to that of the
[facebook/encodec_24khz](https://huggingface.co/facebook/encodec_24khz) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
target_bandwidths (`List[float]`, *optional*, defaults to `[1.5, 3.0, 6.0, 12.0, 24.0]`):
The range of diffent bandwiths the model can encode audio with.
sampling_rate (`int`, *optional*, defaults to 24000):
The sampling rate at which the audio waveform should be digitalized expressed in hertz (Hz).
audio_channels (`int`, *optional*, defaults to 1):
Number of channels in the audio data. Either 1 for mono or 2 for stereo.
normalize (`bool`, *optional*, defaults to `False`):
Whether the audio shall be normalized when passed.
chunk_length_s (`float`, *optional*):
If defined the audio is pre-processed into chunks of lengths `chunk_length_s` and then encoded.
overlap (`float`, *optional*):
Defines the overlap between each chunk. It is used to compute the `chunk_stride` using the following
formulae : `int((1.0 - self.overlap) * self.chunk_length)`.
hidden_size (`int`, *optional*, defaults to 128):
Intermediate representation dimension.
num_filters (`int`, *optional*, defaults to 32):
Number of convolution kernels of first `EncodecConv1d` down sampling layer.
num_residual_layers (`int`, *optional*, defaults to 1):
Number of residual layers.
upsampling_ratios (`Sequence[int]` , *optional*, defaults to `[8, 5, 4, 2]`):
Kernel size and stride ratios. The encoder uses downsampling ratios instead of upsampling ratios, hence it
will use the ratios in the reverse order to the ones specified here that must match the decoder order.
norm_type (`str`, *optional*, defaults to `"weight_norm"`):
Normalization method. Should be in `["weight_norm", "time_group_norm"]`
kernel_size (`int`, *optional*, defaults to 7):
Kernel size for the initial convolution.
last_kernel_size (`int`, *optional*, defaults to 7):
Kernel size for the last convolution layer.
residual_kernel_size (`int`, *optional*, defaults to 3):
Kernel size for the residual layers.
dilation_growth_rate (`int`, *optional*, defaults to 2):
How much to increase the dilation with each layer.
use_causal_conv (`bool`, *optional*, defaults to `True`):
Whether to use fully causal convolution.
pad_mode (`str`, *optional*, defaults to `"reflect"`):
Padding mode for the convolutions.
compress (`int`, *optional*, defaults to 2):
Reduced dimensionality in residual branches (from Demucs v3).
num_lstm_layers (`int`, *optional*, defaults to 2):
Number of LSTM layers at the end of the encoder.
trim_right_ratio (`float`, *optional*, defaults to 1.0):
Ratio for trimming at the right of the transposed convolution under the `use_causal_conv = True` setup. If
equal to 1.0, it means that all the trimming is done at the right.
codebook_size (`int`, *optional*, defaults to 1024):
Number of discret codes that make up VQVAE.
codebook_dim (`int`, *optional*):
Dimension of the codebook vectors. If not defined, uses `hidden_size`.
use_conv_shortcut (`bool`, *optional*, defaults to `True`):
Whether to use a convolutional layer as the 'skip' connection in the `EncodecResnetBlock` block. If False,
an identity function will be used, giving a generic residual connection.
Example:
```python
>>> from transformers import EncodecModel, EncodecConfig
>>> # Initializing a "facebook/encodec_24khz" style configuration
>>> configuration = EncodecConfig()
>>> # Initializing a model (with random weights) from the "facebook/encodec_24khz" style configuration
>>> model = EncodecModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/#encodecconfig | #encodecconfig | .md | 261_3 |
Constructs an EnCodec feature extractor.
This feature extractor inherits from [`~feature_extraction_sequence_utils.SequenceFeatureExtractor`] which contains
most of the main methods. Users should refer to this superclass for more information regarding those methods.
Instantiating a feature extractor with the defaults will yield a similar configuration to that of the
[facebook/encodec_24khz](https://huggingface.co/facebook/encodec_24khz) architecture.
Args:
feature_size (`int`, *optional*, defaults to 1):
The feature dimension of the extracted features. Use 1 for mono, 2 for stereo.
sampling_rate (`int`, *optional*, defaults to 24000):
The sampling rate at which the audio waveform should be digitalized expressed in hertz (Hz).
padding_value (`float`, *optional*, defaults to 0.0):
The value that is used to fill the padding values.
chunk_length_s (`float`, *optional*):
If defined the audio is pre-processed into chunks of lengths `chunk_length_s` and then encoded.
overlap (`float`, *optional*):
Defines the overlap between each chunk. It is used to compute the `chunk_stride` using the following
formulae : `int((1.0 - self.overlap) * self.chunk_length)`.
Methods: __call__ | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/#encodecfeatureextractor | #encodecfeatureextractor | .md | 261_4 |
The EnCodec neural audio codec model.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`EncodecConfig`]):
Model configuration class with all the parameters of the model. Initializing with a config file does not
load the weights associated with the model, only the configuration. Check out the
[`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: decode
- encode
- forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/encodec.md | https://huggingface.co/docs/transformers/en/model_doc/encodec/#encodecmodel | #encodecmodel | .md | 261_5 |
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|
The BLIP-2 model was proposed in [BLIP-2: Bootstrapping Language-Image Pre-training with Frozen Image Encoders and Large Language Models](https://arxiv.org/abs/2301.12597) by
Junnan Li, Dongxu Li, Silvio Savarese, Steven Hoi. BLIP-2 leverages frozen pre-trained image encoders and large language models (LLMs) by training a lightweight, 12-layer Transformer
encoder in between them, achieving state-of-the-art performance on various vision-language tasks. Most notably, BLIP-2 improves upon [Flamingo](https://arxiv.org/abs/2204.14198), an 80 billion parameter model, by 8.7%
on zero-shot VQAv2 with 54x fewer trainable parameters.
The abstract from the paper is the following:
*The cost of vision-and-language pre-training has become increasingly prohibitive due to end-to-end training of large-scale models. This paper proposes BLIP-2, a generic and efficient pre-training strategy that bootstraps vision-language pre-training from off-the-shelf frozen pre-trained image encoders and frozen large language models. BLIP-2 bridges the modality gap with a lightweight Querying Transformer, which is pre-trained in two stages. The first stage bootstraps vision-language representation learning from a frozen image encoder. The second stage bootstraps vision-to-language generative learning from a frozen language model. BLIP-2 achieves state-of-the-art performance on various vision-language tasks, despite having significantly fewer trainable parameters than existing methods. For example, our model outperforms Flamingo80B by 8.7% on zero-shot VQAv2 with 54x fewer trainable parameters. We also demonstrate the model's emerging capabilities of zero-shot image-to-text generation that can follow natural language instructions.*
<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/blip2_architecture.jpg"
alt="drawing" width="600"/>
<small> BLIP-2 architecture. Taken from the <a href="https://arxiv.org/abs/2301.12597">original paper.</a> </small>
This model was contributed by [nielsr](https://huggingface.co/nielsr).
The original code can be found [here](https://github.com/salesforce/LAVIS/tree/5ee63d688ba4cebff63acee04adaef2dee9af207). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#overview | #overview | .md | 262_1 |
- BLIP-2 can be used for conditional text generation given an image and an optional text prompt. At inference time, it's recommended to use the [`generate`] method.
- One can use [`Blip2Processor`] to prepare images for the model, and decode the predicted tokens ID's back to text.
> [!NOTE]
> BLIP models after release v4.46 will raise warnings about adding `processor.num_query_tokens = {{num_query_tokens}}` and expand model embeddings layer to add special `<image>` token. It is strongly recommended to add the attributes to the processor if you own the model checkpoint, or open a PR if it is not owned by you. Adding these attributes means that BLIP will add the number of query tokens required per image and expand the text with as many `<image>` placeholders as there will be query tokens. Usually it is around 500 tokens per image, so make sure that the text is not truncated as otherwise there wil be failure when merging the embeddings.
The attributes can be obtained from model config, as `model.config.num_query_tokens` and model embeddings expansion can be done by following [this link](https://gist.github.com/zucchini-nlp/e9f20b054fa322f84ac9311d9ab67042). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#usage-tips | #usage-tips | .md | 262_2 |
A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with BLIP-2.
- Demo notebooks for BLIP-2 for image captioning, visual question answering (VQA) and chat-like conversations can be found [here](https://github.com/NielsRogge/Transformers-Tutorials/tree/master/BLIP-2).
If you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll review it! The resource should ideally demonstrate something new instead of duplicating an existing resource. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#resources | #resources | .md | 262_3 |
[`Blip2Config`] is the configuration class to store the configuration of a [`Blip2ForConditionalGeneration`]. It is
used to instantiate a BLIP-2 model according to the specified arguments, defining the vision model, Q-Former model
and language model configs. Instantiating a configuration with the defaults will yield a similar configuration to
that of the BLIP-2 [Salesforce/blip2-opt-2.7b](https://huggingface.co/Salesforce/blip2-opt-2.7b) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
vision_config (`dict`, *optional*):
Dictionary of configuration options used to initialize [`Blip2VisionConfig`].
qformer_config (`dict`, *optional*):
Dictionary of configuration options used to initialize [`Blip2QFormerConfig`].
text_config (`dict`, *optional*):
Dictionary of configuration options used to initialize any [`PretrainedConfig`].
num_query_tokens (`int`, *optional*, defaults to 32):
The number of query tokens passed through the Transformer.
image_text_hidden_size (`int`, *optional*, defaults to 256):
Dimentionality of the hidden state of the image-text fusion layer.
image_token_index (`int`, *optional*):
Token index of special image token.
kwargs (*optional*):
Dictionary of keyword arguments.
Example:
```python
>>> from transformers import (
... Blip2VisionConfig,
... Blip2QFormerConfig,
... OPTConfig,
... Blip2Config,
... Blip2ForConditionalGeneration,
... )
>>> # Initializing a Blip2Config with Salesforce/blip2-opt-2.7b style configuration
>>> configuration = Blip2Config()
>>> # Initializing a Blip2ForConditionalGeneration (with random weights) from the Salesforce/blip2-opt-2.7b style configuration
>>> model = Blip2ForConditionalGeneration(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
>>> # We can also initialize a Blip2Config from a Blip2VisionConfig, Blip2QFormerConfig and any PretrainedConfig
>>> # Initializing BLIP-2 vision, BLIP-2 Q-Former and language model configurations
>>> vision_config = Blip2VisionConfig()
>>> qformer_config = Blip2QFormerConfig()
>>> text_config = OPTConfig()
>>> config = Blip2Config.from_text_vision_configs(vision_config, qformer_config, text_config)
```
Methods: from_vision_qformer_text_configs | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2config | #blip2config | .md | 262_4 |
This is the configuration class to store the configuration of a [`Blip2VisionModel`]. It is used to instantiate a
BLIP-2 vision encoder according to the specified arguments, defining the model architecture. Instantiating a
configuration defaults will yield a similar configuration to that of the BLIP-2
[Salesforce/blip2-opt-2.7b](https://huggingface.co/Salesforce/blip2-opt-2.7b) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
hidden_size (`int`, *optional*, defaults to 1408):
Dimensionality of the encoder layers and the pooler layer.
intermediate_size (`int`, *optional*, defaults to 6144):
Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
num_hidden_layers (`int`, *optional*, defaults to 39):
Number of hidden layers in the Transformer encoder.
num_attention_heads (`int`, *optional*, defaults to 16):
Number of attention heads for each attention layer in the Transformer encoder.
image_size (`int`, *optional*, defaults to 224):
The size (resolution) of each image.
patch_size (`int`, *optional*, defaults to 14):
The size (resolution) of each patch.
hidden_act (`str` or `function`, *optional*, defaults to `"gelu"`):
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
`"relu"`, `"selu"` and `"gelu_new"` `"gelu"` are supported. layer_norm_eps (`float`, *optional*, defaults
to 1e-5): The epsilon used by the layer normalization layers.
attention_dropout (`float`, *optional*, defaults to 0.0):
The dropout ratio for the attention probabilities.
initializer_range (`float`, *optional*, defaults to 0.02):
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
qkv_bias (`bool`, *optional*, defaults to `True`):
Whether to add a bias to the queries and values in the self-attention layers.
Example:
```python
>>> from transformers import Blip2VisionConfig, Blip2VisionModel
>>> # Initializing a Blip2VisionConfig with Salesforce/blip2-opt-2.7b style configuration
>>> configuration = Blip2VisionConfig()
>>> # Initializing a Blip2VisionModel (with random weights) from the Salesforce/blip2-opt-2.7b style configuration
>>> model = Blip2VisionModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2visionconfig | #blip2visionconfig | .md | 262_5 |
This is the configuration class to store the configuration of a [`Blip2QFormerModel`]. It is used to instantiate a
BLIP-2 Querying Transformer (Q-Former) model according to the specified arguments, defining the model architecture.
Instantiating a configuration with the defaults will yield a similar configuration to that of the BLIP-2
[Salesforce/blip2-opt-2.7b](https://huggingface.co/Salesforce/blip2-opt-2.7b) architecture. Configuration objects
inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the documentation from
[`PretrainedConfig`] for more information.
Note that [`Blip2QFormerModel`] is very similar to [`BertLMHeadModel`] with interleaved cross-attention.
Args:
vocab_size (`int`, *optional*, defaults to 30522):
Vocabulary size of the Q-Former model. Defines the number of different tokens that can be represented by
the `inputs_ids` passed when calling the model.
hidden_size (`int`, *optional*, defaults to 768):
Dimensionality of the encoder layers and the pooler layer.
num_hidden_layers (`int`, *optional*, defaults to 12):
Number of hidden layers in the Transformer encoder.
num_attention_heads (`int`, *optional*, defaults to 12):
Number of attention heads for each attention layer in the Transformer encoder.
intermediate_size (`int`, *optional*, defaults to 3072):
Dimensionality of the "intermediate" (often named feed-forward) layer in the Transformer encoder.
hidden_act (`str` or `Callable`, *optional*, defaults to `"gelu"`):
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
`"relu"`, `"silu"` and `"gelu_new"` are supported.
hidden_dropout_prob (`float`, *optional*, defaults to 0.1):
The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
attention_probs_dropout_prob (`float`, *optional*, defaults to 0.1):
The dropout ratio for the attention probabilities.
max_position_embeddings (`int`, *optional*, defaults to 512):
The maximum sequence length that this model might ever be used with. Typically set this to something large
just in case (e.g., 512 or 1024 or 2048).
initializer_range (`float`, *optional*, defaults to 0.02):
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
layer_norm_eps (`float`, *optional*, defaults to 1e-12):
The epsilon used by the layer normalization layers.
position_embedding_type (`str`, *optional*, defaults to `"absolute"`):
Type of position embedding. Choose one of `"absolute"`, `"relative_key"`, `"relative_key_query"`. For
positional embeddings use `"absolute"`. For more information on `"relative_key"`, please refer to
[Self-Attention with Relative Position Representations (Shaw et al.)](https://arxiv.org/abs/1803.02155).
For more information on `"relative_key_query"`, please refer to *Method 4* in [Improve Transformer Models
with Better Relative Position Embeddings (Huang et al.)](https://arxiv.org/abs/2009.13658).
cross_attention_frequency (`int`, *optional*, defaults to 2):
The frequency of adding cross-attention to the Transformer layers.
encoder_hidden_size (`int`, *optional*, defaults to 1408):
The hidden size of the hidden states for cross-attention.
use_qformer_text_input (`bool`, *optional*, defaults to `False`):
Whether to use BERT-style embeddings.
Examples:
```python
>>> from transformers import Blip2QFormerConfig, Blip2QFormerModel
>>> # Initializing a BLIP-2 Salesforce/blip2-opt-2.7b style configuration
>>> configuration = Blip2QFormerConfig()
>>> # Initializing a model (with random weights) from the Salesforce/blip2-opt-2.7b style configuration
>>> model = Blip2QFormerModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
``` | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2qformerconfig | #blip2qformerconfig | .md | 262_6 |
Constructs a BLIP-2 processor which wraps a BLIP image processor and an OPT/T5 tokenizer into a single processor.
[`BlipProcessor`] offers all the functionalities of [`BlipImageProcessor`] and [`AutoTokenizer`]. See the docstring
of [`~BlipProcessor.__call__`] and [`~BlipProcessor.decode`] for more information.
Args:
image_processor (`BlipImageProcessor`):
An instance of [`BlipImageProcessor`]. The image processor is a required input.
tokenizer (`AutoTokenizer`):
An instance of ['PreTrainedTokenizer`]. The tokenizer is a required input.
num_query_tokens (`int`, *optional*):
Number of tokens used by the Qformer as queries, should be same as in model's config. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2processor | #blip2processor | .md | 262_7 |
No docstring available for Blip2VisionModel
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2visionmodel | #blip2visionmodel | .md | 262_8 |
Querying Transformer (Q-Former), used in BLIP-2.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2qformermodel | #blip2qformermodel | .md | 262_9 |
BLIP-2 Model for generating text and image features. The model consists of a vision encoder, Querying Transformer
(Q-Former) and a language model.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Blip2Config`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward
- get_text_features
- get_image_features
- get_qformer_features | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2model | #blip2model | .md | 262_10 |
BLIP-2 Model for generating text given an image and an optional text prompt. The model consists of a vision
encoder, Querying Transformer (Q-Former) and a language model.
One can optionally pass `input_ids` to the model, which serve as a text prompt, to make the language model continue
the prompt. Otherwise, the language model starts generating text from the [BOS] (beginning-of-sequence) token.
<Tip>
Note that Flan-T5 checkpoints cannot be cast to float16. They are pre-trained using bfloat16.
</Tip>
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Blip2Config`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward
- generate | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2forconditionalgeneration | #blip2forconditionalgeneration | .md | 262_11 |
BLIP-2 Model with a vision and text projector, and a classification head on top. The model is used in the context
of image-text retrieval. Given an image and a text, the model returns the probability of the text being relevant to
the image.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Blip2Config`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2forimagetextretrieval | #blip2forimagetextretrieval | .md | 262_12 |
BLIP-2 Text Model with a projection layer on top (a linear layer on top of the pooled output).
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Blip2Config`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2textmodelwithprojection | #blip2textmodelwithprojection | .md | 262_13 |
BLIP-2 Vision Model with a projection layer on top (a linear layer on top of the pooled output).
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`Blip2Config`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/blip-2.md | https://huggingface.co/docs/transformers/en/model_doc/blip-2/#blip2visionmodelwithprojection | #blip2visionmodelwithprojection | .md | 262_14 |
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|
<div class="flex flex-wrap space-x-1">
<a href="https://huggingface.co/models?filter=bert">
<img alt="Models" src="https://img.shields.io/badge/All_model_pages-bert-blueviolet">
</a>
<a href="https://huggingface.co/spaces/docs-demos/bert-base-uncased">
<img alt="Spaces" src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Spaces-blue">
</a>
</div> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bert | #bert | .md | 263_1 |
The BERT model was proposed in [BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding](https://arxiv.org/abs/1810.04805) by Jacob Devlin, Ming-Wei Chang, Kenton Lee and Kristina Toutanova. It's a
bidirectional transformer pretrained using a combination of masked language modeling objective and next sentence
prediction on a large corpus comprising the Toronto Book Corpus and Wikipedia.
The abstract from the paper is the following:
*We introduce a new language representation model called BERT, which stands for Bidirectional Encoder Representations
from Transformers. Unlike recent language representation models, BERT is designed to pre-train deep bidirectional
representations from unlabeled text by jointly conditioning on both left and right context in all layers. As a result,
the pre-trained BERT model can be fine-tuned with just one additional output layer to create state-of-the-art models
for a wide range of tasks, such as question answering and language inference, without substantial task-specific
architecture modifications.*
*BERT is conceptually simple and empirically powerful. It obtains new state-of-the-art results on eleven natural
language processing tasks, including pushing the GLUE score to 80.5% (7.7% point absolute improvement), MultiNLI
accuracy to 86.7% (4.6% absolute improvement), SQuAD v1.1 question answering Test F1 to 93.2 (1.5 point absolute
improvement) and SQuAD v2.0 Test F1 to 83.1 (5.1 point absolute improvement).*
This model was contributed by [thomwolf](https://huggingface.co/thomwolf). The original code can be found [here](https://github.com/google-research/bert). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#overview | #overview | .md | 263_2 |
- BERT is a model with absolute position embeddings so it's usually advised to pad the inputs on the right rather than
the left.
- BERT was trained with the masked language modeling (MLM) and next sentence prediction (NSP) objectives. It is
efficient at predicting masked tokens and at NLU in general, but is not optimal for text generation.
- Corrupts the inputs by using random masking, more precisely, during pretraining, a given percentage of tokens (usually 15%) is masked by:
* a special mask token with probability 0.8
* a random token different from the one masked with probability 0.1
* the same token with probability 0.1
- The model must predict the original sentence, but has a second objective: inputs are two sentences A and B (with a separation token in between). With probability 50%, the sentences are consecutive in the corpus, in the remaining 50% they are not related. The model has to predict if the sentences are consecutive or not. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#usage-tips | #usage-tips | .md | 263_3 |
PyTorch includes a native scaled dot-product attention (SDPA) operator as part of `torch.nn.functional`. This function
encompasses several implementations that can be applied depending on the inputs and the hardware in use. See the
[official documentation](https://pytorch.org/docs/stable/generated/torch.nn.functional.scaled_dot_product_attention.html)
or the [GPU Inference](https://huggingface.co/docs/transformers/main/en/perf_infer_gpu_one#pytorch-scaled-dot-product-attention)
page for more information.
SDPA is used by default for `torch>=2.1.1` when an implementation is available, but you may also set
`attn_implementation="sdpa"` in `from_pretrained()` to explicitly request SDPA to be used.
```
from transformers import BertModel
model = BertModel.from_pretrained("bert-base-uncased", torch_dtype=torch.float16, attn_implementation="sdpa")
...
```
For the best speedups, we recommend loading the model in half-precision (e.g. `torch.float16` or `torch.bfloat16`).
On a local benchmark (A100-80GB, CPUx12, RAM 96.6GB, PyTorch 2.2.0, OS Ubuntu 22.04) with `float16`, we saw the
following speedups during training and inference. | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#using-scaled-dot-product-attention-sdpa | #using-scaled-dot-product-attention-sdpa | .md | 263_4 |
|batch_size|seq_len|Time per batch (eager - s)|Time per batch (sdpa - s)|Speedup (%)|Eager peak mem (MB)|sdpa peak mem (MB)|Mem saving (%)|
|----------|-------|--------------------------|-------------------------|-----------|-------------------|------------------|--------------|
|4 |256 |0.023 |0.017 |35.472 |939.213 |764.834 |22.800 |
|4 |512 |0.023 |0.018 |23.687 |1970.447 |1227.162 |60.569 |
|8 |256 |0.023 |0.018 |23.491 |1594.295 |1226.114 |30.028 |
|8 |512 |0.035 |0.025 |43.058 |3629.401 |2134.262 |70.054 |
|16 |256 |0.030 |0.024 |25.583 |2874.426 |2134.262 |34.680 |
|16 |512 |0.064 |0.044 |46.223 |6964.659 |3961.013 |75.830 | | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#training | #training | .md | 263_5 |
|batch_size|seq_len|Per token latency eager (ms)|Per token latency SDPA (ms)|Speedup (%)|Mem eager (MB)|Mem BT (MB)|Mem saved (%)|
|----------|-------|----------------------------|---------------------------|-----------|--------------|-----------|-------------|
|1 |128 |5.736 |4.987 |15.022 |282.661 |282.924 |-0.093 |
|1 |256 |5.689 |4.945 |15.055 |298.686 |298.948 |-0.088 |
|2 |128 |6.154 |4.982 |23.521 |314.523 |314.785 |-0.083 |
|2 |256 |6.201 |4.949 |25.303 |347.546 |347.033 |0.148 |
|4 |128 |6.049 |4.987 |21.305 |378.895 |379.301 |-0.107 |
|4 |256 |6.285 |5.364 |17.166 |443.209 |444.382 |-0.264 | | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#inference | #inference | .md | 263_6 |
A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with BERT. If you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll review it! The resource should ideally demonstrate something new instead of duplicating an existing resource.
<PipelineTag pipeline="text-classification"/>
- A blog post on [BERT Text Classification in a different language](https://www.philschmid.de/bert-text-classification-in-a-different-language).
- A notebook for [Finetuning BERT (and friends) for multi-label text classification](https://colab.research.google.com/github/NielsRogge/Transformers-Tutorials/blob/master/BERT/Fine_tuning_BERT_(and_friends)_for_multi_label_text_classification.ipynb).
- A notebook on how to [Finetune BERT for multi-label classification using PyTorch](https://colab.research.google.com/github/abhimishra91/transformers-tutorials/blob/master/transformers_multi_label_classification.ipynb). 🌎
- A notebook on how to [warm-start an EncoderDecoder model with BERT for summarization](https://colab.research.google.com/github/patrickvonplaten/notebooks/blob/master/BERT2BERT_for_CNN_Dailymail.ipynb).
- [`BertForSequenceClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/pytorch/text-classification) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/text_classification.ipynb).
- [`TFBertForSequenceClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/tensorflow/text-classification) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/text_classification-tf.ipynb).
- [`FlaxBertForSequenceClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/flax/text-classification) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/text_classification_flax.ipynb).
- [Text classification task guide](../tasks/sequence_classification)
<PipelineTag pipeline="token-classification"/>
- A blog post on how to use [Hugging Face Transformers with Keras: Fine-tune a non-English BERT for Named Entity Recognition](https://www.philschmid.de/huggingface-transformers-keras-tf).
- A notebook for [Finetuning BERT for named-entity recognition](https://colab.research.google.com/github/NielsRogge/Transformers-Tutorials/blob/master/BERT/Custom_Named_Entity_Recognition_with_BERT_only_first_wordpiece.ipynb) using only the first wordpiece of each word in the word label during tokenization. To propagate the label of the word to all wordpieces, see this [version](https://github.com/NielsRogge/Transformers-Tutorials/blob/master/BERT/Custom_Named_Entity_Recognition_with_BERT.ipynb) of the notebook instead.
- [`BertForTokenClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/pytorch/token-classification) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/token_classification.ipynb).
- [`TFBertForTokenClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/tensorflow/token-classification) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/token_classification-tf.ipynb).
- [`FlaxBertForTokenClassification`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/flax/token-classification).
- [Token classification](https://huggingface.co/course/chapter7/2?fw=pt) chapter of the 🤗 Hugging Face Course.
- [Token classification task guide](../tasks/token_classification)
<PipelineTag pipeline="fill-mask"/>
- [`BertForMaskedLM`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/pytorch/language-modeling#robertabertdistilbert-and-masked-language-modeling) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/language_modeling.ipynb).
- [`TFBertForMaskedLM`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/tensorflow/language-modeling#run_mlmpy) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/language_modeling-tf.ipynb).
- [`FlaxBertForMaskedLM`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/flax/language-modeling#masked-language-modeling) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/masked_language_modeling_flax.ipynb).
- [Masked language modeling](https://huggingface.co/course/chapter7/3?fw=pt) chapter of the 🤗 Hugging Face Course.
- [Masked language modeling task guide](../tasks/masked_language_modeling)
<PipelineTag pipeline="question-answering"/>
- [`BertForQuestionAnswering`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/pytorch/question-answering) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/question_answering.ipynb).
- [`TFBertForQuestionAnswering`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/tensorflow/question-answering) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/question_answering-tf.ipynb).
- [`FlaxBertForQuestionAnswering`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/flax/question-answering).
- [Question answering](https://huggingface.co/course/chapter7/7?fw=pt) chapter of the 🤗 Hugging Face Course.
- [Question answering task guide](../tasks/question_answering)
**Multiple choice**
- [`BertForMultipleChoice`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/pytorch/multiple-choice) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/multiple_choice.ipynb).
- [`TFBertForMultipleChoice`] is supported by this [example script](https://github.com/huggingface/transformers/tree/main/examples/tensorflow/multiple-choice) and [notebook](https://colab.research.google.com/github/huggingface/notebooks/blob/main/examples/multiple_choice-tf.ipynb).
- [Multiple choice task guide](../tasks/multiple_choice)
⚡️ **Inference**
- A blog post on how to [Accelerate BERT inference with Hugging Face Transformers and AWS Inferentia](https://huggingface.co/blog/bert-inferentia-sagemaker).
- A blog post on how to [Accelerate BERT inference with DeepSpeed-Inference on GPUs](https://www.philschmid.de/bert-deepspeed-inference).
⚙️ **Pretraining**
- A blog post on [Pre-Training BERT with Hugging Face Transformers and Habana Gaudi](https://www.philschmid.de/pre-training-bert-habana).
🚀 **Deploy**
- A blog post on how to [Convert Transformers to ONNX with Hugging Face Optimum](https://www.philschmid.de/convert-transformers-to-onnx).
- A blog post on how to [Setup Deep Learning environment for Hugging Face Transformers with Habana Gaudi on AWS](https://www.philschmid.de/getting-started-habana-gaudi#conclusion).
- A blog post on [Autoscaling BERT with Hugging Face Transformers, Amazon SageMaker and Terraform module](https://www.philschmid.de/terraform-huggingface-amazon-sagemaker-advanced).
- A blog post on [Serverless BERT with HuggingFace, AWS Lambda, and Docker](https://www.philschmid.de/serverless-bert-with-huggingface-aws-lambda-docker).
- A blog post on [Hugging Face Transformers BERT fine-tuning using Amazon SageMaker and Training Compiler](https://www.philschmid.de/huggingface-amazon-sagemaker-training-compiler).
- A blog post on [Task-specific knowledge distillation for BERT using Transformers & Amazon SageMaker](https://www.philschmid.de/knowledge-distillation-bert-transformers). | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#resources | #resources | .md | 263_7 |
This is the configuration class to store the configuration of a [`BertModel`] or a [`TFBertModel`]. It is used to
instantiate a BERT model according to the specified arguments, defining the model architecture. Instantiating a
configuration with the defaults will yield a similar configuration to that of the BERT
[google-bert/bert-base-uncased](https://huggingface.co/google-bert/bert-base-uncased) architecture.
Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
documentation from [`PretrainedConfig`] for more information.
Args:
vocab_size (`int`, *optional*, defaults to 30522):
Vocabulary size of the BERT model. Defines the number of different tokens that can be represented by the
`inputs_ids` passed when calling [`BertModel`] or [`TFBertModel`].
hidden_size (`int`, *optional*, defaults to 768):
Dimensionality of the encoder layers and the pooler layer.
num_hidden_layers (`int`, *optional*, defaults to 12):
Number of hidden layers in the Transformer encoder.
num_attention_heads (`int`, *optional*, defaults to 12):
Number of attention heads for each attention layer in the Transformer encoder.
intermediate_size (`int`, *optional*, defaults to 3072):
Dimensionality of the "intermediate" (often named feed-forward) layer in the Transformer encoder.
hidden_act (`str` or `Callable`, *optional*, defaults to `"gelu"`):
The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
`"relu"`, `"silu"` and `"gelu_new"` are supported.
hidden_dropout_prob (`float`, *optional*, defaults to 0.1):
The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
attention_probs_dropout_prob (`float`, *optional*, defaults to 0.1):
The dropout ratio for the attention probabilities.
max_position_embeddings (`int`, *optional*, defaults to 512):
The maximum sequence length that this model might ever be used with. Typically set this to something large
just in case (e.g., 512 or 1024 or 2048).
type_vocab_size (`int`, *optional*, defaults to 2):
The vocabulary size of the `token_type_ids` passed when calling [`BertModel`] or [`TFBertModel`].
initializer_range (`float`, *optional*, defaults to 0.02):
The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
layer_norm_eps (`float`, *optional*, defaults to 1e-12):
The epsilon used by the layer normalization layers.
position_embedding_type (`str`, *optional*, defaults to `"absolute"`):
Type of position embedding. Choose one of `"absolute"`, `"relative_key"`, `"relative_key_query"`. For
positional embeddings use `"absolute"`. For more information on `"relative_key"`, please refer to
[Self-Attention with Relative Position Representations (Shaw et al.)](https://arxiv.org/abs/1803.02155).
For more information on `"relative_key_query"`, please refer to *Method 4* in [Improve Transformer Models
with Better Relative Position Embeddings (Huang et al.)](https://arxiv.org/abs/2009.13658).
is_decoder (`bool`, *optional*, defaults to `False`):
Whether the model is used as a decoder or not. If `False`, the model is used as an encoder.
use_cache (`bool`, *optional*, defaults to `True`):
Whether or not the model should return the last key/values attentions (not used by all models). Only
relevant if `config.is_decoder=True`.
classifier_dropout (`float`, *optional*):
The dropout ratio for the classification head.
Examples:
```python
>>> from transformers import BertConfig, BertModel
>>> # Initializing a BERT google-bert/bert-base-uncased style configuration
>>> configuration = BertConfig()
>>> # Initializing a model (with random weights) from the google-bert/bert-base-uncased style configuration
>>> model = BertModel(configuration)
>>> # Accessing the model configuration
>>> configuration = model.config
```
Methods: all | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertconfig | #bertconfig | .md | 263_8 |
Construct a BERT tokenizer. Based on WordPiece.
This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to
this superclass for more information regarding those methods.
Args:
vocab_file (`str`):
File containing the vocabulary.
do_lower_case (`bool`, *optional*, defaults to `True`):
Whether or not to lowercase the input when tokenizing.
do_basic_tokenize (`bool`, *optional*, defaults to `True`):
Whether or not to do basic tokenization before WordPiece.
never_split (`Iterable`, *optional*):
Collection of tokens which will never be split during tokenization. Only has an effect when
`do_basic_tokenize=True`
unk_token (`str`, *optional*, defaults to `"[UNK]"`):
The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this
token instead.
sep_token (`str`, *optional*, defaults to `"[SEP]"`):
The separator token, which is used when building a sequence from multiple sequences, e.g. two sequences for
sequence classification or for a text and a question for question answering. It is also used as the last
token of a sequence built with special tokens.
pad_token (`str`, *optional*, defaults to `"[PAD]"`):
The token used for padding, for example when batching sequences of different lengths.
cls_token (`str`, *optional*, defaults to `"[CLS]"`):
The classifier token which is used when doing sequence classification (classification of the whole sequence
instead of per-token classification). It is the first token of the sequence when built with special tokens.
mask_token (`str`, *optional*, defaults to `"[MASK]"`):
The token used for masking values. This is the token used when training this model with masked language
modeling. This is the token which the model will try to predict.
tokenize_chinese_chars (`bool`, *optional*, defaults to `True`):
Whether or not to tokenize Chinese characters.
This should likely be deactivated for Japanese (see this
[issue](https://github.com/huggingface/transformers/issues/328)).
strip_accents (`bool`, *optional*):
Whether or not to strip all accents. If this option is not specified, then it will be determined by the
value for `lowercase` (as in the original BERT).
clean_up_tokenization_spaces (`bool`, *optional*, defaults to `True`):
Whether or not to cleanup spaces after decoding, cleanup consists in removing potential artifacts like
extra spaces.
Methods: build_inputs_with_special_tokens
- get_special_tokens_mask
- create_token_type_ids_from_sequences
- save_vocabulary
<frameworkcontent>
<pt> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#berttokenizer | #berttokenizer | .md | 263_9 |
Construct a "fast" BERT tokenizer (backed by HuggingFace's *tokenizers* library). Based on WordPiece.
This tokenizer inherits from [`PreTrainedTokenizerFast`] which contains most of the main methods. Users should
refer to this superclass for more information regarding those methods.
Args:
vocab_file (`str`):
File containing the vocabulary.
do_lower_case (`bool`, *optional*, defaults to `True`):
Whether or not to lowercase the input when tokenizing.
unk_token (`str`, *optional*, defaults to `"[UNK]"`):
The unknown token. A token that is not in the vocabulary cannot be converted to an ID and is set to be this
token instead.
sep_token (`str`, *optional*, defaults to `"[SEP]"`):
The separator token, which is used when building a sequence from multiple sequences, e.g. two sequences for
sequence classification or for a text and a question for question answering. It is also used as the last
token of a sequence built with special tokens.
pad_token (`str`, *optional*, defaults to `"[PAD]"`):
The token used for padding, for example when batching sequences of different lengths.
cls_token (`str`, *optional*, defaults to `"[CLS]"`):
The classifier token which is used when doing sequence classification (classification of the whole sequence
instead of per-token classification). It is the first token of the sequence when built with special tokens.
mask_token (`str`, *optional*, defaults to `"[MASK]"`):
The token used for masking values. This is the token used when training this model with masked language
modeling. This is the token which the model will try to predict.
clean_text (`bool`, *optional*, defaults to `True`):
Whether or not to clean the text before tokenization by removing any control characters and replacing all
whitespaces by the classic one.
tokenize_chinese_chars (`bool`, *optional*, defaults to `True`):
Whether or not to tokenize Chinese characters. This should likely be deactivated for Japanese (see [this
issue](https://github.com/huggingface/transformers/issues/328)).
strip_accents (`bool`, *optional*):
Whether or not to strip all accents. If this option is not specified, then it will be determined by the
value for `lowercase` (as in the original BERT).
wordpieces_prefix (`str`, *optional*, defaults to `"##"`):
The prefix for subwords.
</pt>
<tf> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#berttokenizerfast | #berttokenizerfast | .md | 263_10 |
No docstring available for TFBertTokenizer
</tf>
</frameworkcontent> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfberttokenizer | #tfberttokenizer | .md | 263_11 |
models.bert.modeling_bert.BertForPreTrainingOutput
Output type of [`BertForPreTraining`].
Args:
loss (*optional*, returned when `labels` is provided, `torch.FloatTensor` of shape `(1,)`):
Total loss as the sum of the masked language modeling loss and the next sequence prediction
(classification) loss.
prediction_logits (`torch.FloatTensor` of shape `(batch_size, sequence_length, config.vocab_size)`):
Prediction scores of the language modeling head (scores for each vocabulary token before SoftMax).
seq_relationship_logits (`torch.FloatTensor` of shape `(batch_size, 2)`):
Prediction scores of the next sequence prediction (classification) head (scores of True/False continuation
before SoftMax).
hidden_states (`tuple(torch.FloatTensor)`, *optional*, returned when `output_hidden_states=True` is passed or when `config.output_hidden_states=True`):
Tuple of `torch.FloatTensor` (one for the output of the embeddings + one for the output of each layer) of
shape `(batch_size, sequence_length, hidden_size)`.
Hidden-states of the model at the output of each layer plus the initial embedding outputs.
attentions (`tuple(torch.FloatTensor)`, *optional*, returned when `output_attentions=True` is passed or when `config.output_attentions=True`):
Tuple of `torch.FloatTensor` (one for each layer) of shape `(batch_size, num_heads, sequence_length,
sequence_length)`.
Attentions weights after the attention softmax, used to compute the weighted average in the self-attention
heads.
[[autodoc]] models.bert.modeling_tf_bert.TFBertForPreTrainingOutput:
modeling_tf_bert requires the TensorFlow library but it was not found in your environment.
However, we were able to find a PyTorch installation. PyTorch classes do not begin
with "TF", but are otherwise identically named to our TF classes.
If you want to use PyTorch, please use those classes instead!
If you really do want to use TensorFlow, please follow the instructions on the
installation page https://www.tensorflow.org/install that match your environment.
[[autodoc]] models.bert.modeling_flax_bert.FlaxBertForPreTrainingOutput:
modeling_flax_bert requires the FLAX library but it was not found in your environment. Checkout the instructions on the
installation page: https://github.com/google/flax and follow the ones that match your environment.
Please note that you may need to restart your runtime after installation.
<frameworkcontent>
<pt> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bert-specific-outputs | #bert-specific-outputs | .md | 263_12 |
The bare Bert Model transformer outputting raw hidden-states without any specific head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
The model can behave as an encoder (with only self-attention) as well as a decoder, in which case a layer of
cross-attention is added between the self-attention layers, following the architecture described in [Attention is
all you need](https://arxiv.org/abs/1706.03762) by Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit,
Llion Jones, Aidan N. Gomez, Lukasz Kaiser and Illia Polosukhin.
To behave as an decoder the model needs to be initialized with the `is_decoder` argument of the configuration set
to `True`. To be used in a Seq2Seq model, the model needs to initialized with both `is_decoder` argument and
`add_cross_attention` set to `True`; an `encoder_hidden_states` is then expected as an input to the forward pass.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertmodel | #bertmodel | .md | 263_13 |
Bert Model with two heads on top as done during the pretraining: a `masked language modeling` head and a `next
sentence prediction (classification)` head.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertforpretraining | #bertforpretraining | .md | 263_14 |
Bert Model with a `language modeling` head on top for CLM fine-tuning.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertlmheadmodel | #bertlmheadmodel | .md | 263_15 |
Bert Model with a `language modeling` head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertformaskedlm | #bertformaskedlm | .md | 263_16 |
Bert Model with a `next sentence prediction (classification)` head on top.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertfornextsentenceprediction | #bertfornextsentenceprediction | .md | 263_17 |
Bert Model transformer with a sequence classification/regression head on top (a linear layer on top of the pooled
output) e.g. for GLUE tasks.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertforsequenceclassification | #bertforsequenceclassification | .md | 263_18 |
Bert Model with a multiple choice classification head on top (a linear layer on top of the pooled output and a
softmax) e.g. for RocStories/SWAG tasks.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertformultiplechoice | #bertformultiplechoice | .md | 263_19 |
Bert Model with a token classification head on top (a linear layer on top of the hidden-states output) e.g. for
Named-Entity-Recognition (NER) tasks.
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertfortokenclassification | #bertfortokenclassification | .md | 263_20 |
Bert Model with a span classification head on top for extractive question-answering tasks like SQuAD (a linear
layers on top of the hidden-states output to compute `span start logits` and `span end logits`).
This model inherits from [`PreTrainedModel`]. Check the superclass documentation for the generic methods the
library implements for all its model (such as downloading or saving, resizing the input embeddings, pruning heads
etc.)
This model is also a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass.
Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage
and behavior.
Parameters:
config ([`BertConfig`]): Model configuration class with all the parameters of the model.
Initializing with a config file does not load the weights associated with the model, only the
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
Methods: forward
</pt>
<tf> | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#bertforquestionanswering | #bertforquestionanswering | .md | 263_21 |
No docstring available for TFBertModel
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertmodel | #tfbertmodel | .md | 263_22 |
No docstring available for TFBertForPreTraining
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertforpretraining | #tfbertforpretraining | .md | 263_23 |
No docstring available for TFBertLMHeadModel
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertmodellmheadmodel | #tfbertmodellmheadmodel | .md | 263_24 |
No docstring available for TFBertForMaskedLM
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertformaskedlm | #tfbertformaskedlm | .md | 263_25 |
No docstring available for TFBertForNextSentencePrediction
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertfornextsentenceprediction | #tfbertfornextsentenceprediction | .md | 263_26 |
No docstring available for TFBertForSequenceClassification
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertforsequenceclassification | #tfbertforsequenceclassification | .md | 263_27 |
No docstring available for TFBertForMultipleChoice
Methods: call | /Users/nielsrogge/Documents/python_projecten/transformers/docs/source/en/model_doc/bert.md | https://huggingface.co/docs/transformers/en/model_doc/bert/#tfbertformultiplechoice | #tfbertformultiplechoice | .md | 263_28 |
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