Felix Marty commited on
Commit
cd555aa
1 Parent(s): 74b941a

fix againg

Browse files
__init__.py ADDED
@@ -0,0 +1 @@
 
 
1
+
config.json CHANGED
@@ -1,22 +1,25 @@
1
  {
2
- "_name_or_path": "/home/fxmarty/hf_internship/tiny-testing-remote-code",
3
  "architectures": [
4
  "ResNetCustomForImageClassification"
5
  ],
 
 
 
6
  "depths": [
7
- 3,
8
- 4,
9
- 6,
10
- 3
11
  ],
12
  "downsample_in_first_stage": false,
13
  "embedding_size": 64,
14
  "hidden_act": "relu",
15
  "hidden_sizes": [
16
- 6,
17
- 12,
18
- 24,
19
- 48
20
  ],
21
  "id2label": {
22
  "0": "tench, Tinca tinca",
@@ -2021,7 +2024,7 @@
2021
  "zebra": 340,
2022
  "zucchini, courgette": 939
2023
  },
2024
- "layer_type": "bottleneck",
2025
  "model_type": "resnet",
2026
  "num_channels": 3,
2027
  "out_features": null,
 
1
  {
2
+ "_name_or_path": "microsoft/resnet-18",
3
  "architectures": [
4
  "ResNetCustomForImageClassification"
5
  ],
6
+ "auto_map": {
7
+ "AutoModelForImageClassification": "modeling_resnet.ResNetCustomForImageClassification"
8
+ },
9
  "depths": [
10
+ 2,
11
+ 2,
12
+ 2,
13
+ 2
14
  ],
15
  "downsample_in_first_stage": false,
16
  "embedding_size": 64,
17
  "hidden_act": "relu",
18
  "hidden_sizes": [
19
+ 64,
20
+ 128,
21
+ 256,
22
+ 512
23
  ],
24
  "id2label": {
25
  "0": "tench, Tinca tinca",
 
2024
  "zebra": 340,
2025
  "zucchini, courgette": 939
2026
  },
2027
+ "layer_type": "basic",
2028
  "model_type": "resnet",
2029
  "num_channels": 3,
2030
  "out_features": null,
create_model.py CHANGED
@@ -1,8 +1,11 @@
1
  from transformers import AutoConfig
2
 
3
- from modeling import ResNetCustomForImageClassification
 
 
 
 
4
 
5
- cfg = AutoConfig.from_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
6
  model = ResNetCustomForImageClassification(cfg)
 
7
 
8
- model.save_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
 
1
  from transformers import AutoConfig
2
 
3
+ from modeling.modeling_resnet import ResNetCustomForImageClassification
4
+
5
+ cfg = AutoConfig.from_pretrained("microsoft/resnet-18")
6
+
7
+ ResNetCustomForImageClassification.register_for_auto_class("AutoModelForImageClassification")
8
 
 
9
  model = ResNetCustomForImageClassification(cfg)
10
+ model.save_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
11
 
 
modeling/__pycache__/modeling_resnet.cpython-39.pyc ADDED
Binary file (16.1 kB). View file
 
modeling/modeling_resnet.py ADDED
@@ -0,0 +1,518 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ # coding=utf-8
2
+ # Copyright 2022 Microsoft Research, Inc. and The HuggingFace Inc. team. All rights reserved.
3
+ #
4
+ # Licensed under the Apache License, Version 2.0 (the "License");
5
+ # you may not use this file except in compliance with the License.
6
+ # You may obtain a copy of the License at
7
+ #
8
+ # http://www.apache.org/licenses/LICENSE-2.0
9
+ #
10
+ # Unless required by applicable law or agreed to in writing, software
11
+ # distributed under the License is distributed on an "AS IS" BASIS,
12
+ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
+ # See the License for the specific language governing permissions and
14
+ # limitations under the License.
15
+ """ PyTorch ResNet model."""
16
+
17
+ from typing import Optional
18
+
19
+ import torch
20
+ import torch.utils.checkpoint
21
+ from torch import Tensor, nn
22
+ from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
23
+
24
+ from transformers.activations import ACT2FN
25
+ from transformers.modeling_outputs import (
26
+ BackboneOutput,
27
+ BaseModelOutputWithNoAttention,
28
+ BaseModelOutputWithPoolingAndNoAttention,
29
+ ImageClassifierOutputWithNoAttention,
30
+ )
31
+ from transformers.modeling_utils import BackboneMixin, PreTrainedModel
32
+ from transformers.utils import (
33
+ add_code_sample_docstrings,
34
+ add_start_docstrings,
35
+ add_start_docstrings_to_model_forward,
36
+ logging,
37
+ replace_return_docstrings,
38
+ )
39
+ from transformers import ResNetConfig
40
+
41
+
42
+ logger = logging.get_logger(__name__)
43
+
44
+ # General docstring
45
+ _CONFIG_FOR_DOC = "ResNetConfig"
46
+ _FEAT_EXTRACTOR_FOR_DOC = "AutoImageProcessor"
47
+
48
+ # Base docstring
49
+ _CHECKPOINT_FOR_DOC = "microsoft/resnet-50"
50
+ _EXPECTED_OUTPUT_SHAPE = [1, 2048, 7, 7]
51
+
52
+ # Image classification docstring
53
+ _IMAGE_CLASS_CHECKPOINT = "microsoft/resnet-50"
54
+ _IMAGE_CLASS_EXPECTED_OUTPUT = "tiger cat"
55
+
56
+ RESNET_PRETRAINED_MODEL_ARCHIVE_LIST = [
57
+ "microsoft/resnet-50",
58
+ # See all resnet models at https://huggingface.co/models?filter=resnet
59
+ ]
60
+
61
+
62
+ class ResNetConvLayer(nn.Module):
63
+ def __init__(
64
+ self, in_channels: int, out_channels: int, kernel_size: int = 3, stride: int = 1, activation: str = "relu"
65
+ ):
66
+ super().__init__()
67
+ self.convolution = nn.Conv2d(
68
+ in_channels, out_channels, kernel_size=kernel_size, stride=stride, padding=kernel_size // 2, bias=False
69
+ )
70
+ self.normalization = nn.BatchNorm2d(out_channels)
71
+ self.activation = ACT2FN[activation] if activation is not None else nn.Identity()
72
+
73
+ def forward(self, input: Tensor) -> Tensor:
74
+ hidden_state = self.convolution(input)
75
+ hidden_state = self.normalization(hidden_state)
76
+ hidden_state = self.activation(hidden_state)
77
+ return hidden_state
78
+
79
+
80
+ class ResNetEmbeddings(nn.Module):
81
+ """
82
+ ResNet Embeddings (stem) composed of a single aggressive convolution.
83
+ """
84
+
85
+ def __init__(self, config: ResNetConfig):
86
+ super().__init__()
87
+ self.embedder = ResNetConvLayer(
88
+ config.num_channels, config.embedding_size, kernel_size=7, stride=2, activation=config.hidden_act
89
+ )
90
+ self.pooler = nn.MaxPool2d(kernel_size=3, stride=2, padding=1)
91
+ self.num_channels = config.num_channels
92
+
93
+ def forward(self, pixel_values: Tensor) -> Tensor:
94
+ num_channels = pixel_values.shape[1]
95
+ if num_channels != self.num_channels:
96
+ raise ValueError(
97
+ "Make sure that the channel dimension of the pixel values match with the one set in the configuration."
98
+ )
99
+ embedding = self.embedder(pixel_values)
100
+ embedding = self.pooler(embedding)
101
+ return embedding
102
+
103
+
104
+ class ResNetShortCut(nn.Module):
105
+ """
106
+ ResNet shortcut, used to project the residual features to the correct size. If needed, it is also used to
107
+ downsample the input using `stride=2`.
108
+ """
109
+
110
+ def __init__(self, in_channels: int, out_channels: int, stride: int = 2):
111
+ super().__init__()
112
+ self.convolution = nn.Conv2d(in_channels, out_channels, kernel_size=1, stride=stride, bias=False)
113
+ self.normalization = nn.BatchNorm2d(out_channels)
114
+
115
+ def forward(self, input: Tensor) -> Tensor:
116
+ hidden_state = self.convolution(input)
117
+ hidden_state = self.normalization(hidden_state)
118
+ return hidden_state
119
+
120
+
121
+ class ResNetBasicLayer(nn.Module):
122
+ """
123
+ A classic ResNet's residual layer composed by two `3x3` convolutions.
124
+ """
125
+
126
+ def __init__(self, in_channels: int, out_channels: int, stride: int = 1, activation: str = "relu"):
127
+ super().__init__()
128
+ should_apply_shortcut = in_channels != out_channels or stride != 1
129
+ self.shortcut = (
130
+ ResNetShortCut(in_channels, out_channels, stride=stride) if should_apply_shortcut else nn.Identity()
131
+ )
132
+ self.layer = nn.Sequential(
133
+ ResNetConvLayer(in_channels, out_channels, stride=stride),
134
+ ResNetConvLayer(out_channels, out_channels, activation=None),
135
+ )
136
+ self.activation = ACT2FN[activation]
137
+
138
+ def forward(self, hidden_state):
139
+ residual = hidden_state
140
+ hidden_state = self.layer(hidden_state)
141
+ residual = self.shortcut(residual)
142
+ hidden_state += residual
143
+ hidden_state = self.activation(hidden_state)
144
+ return hidden_state
145
+
146
+
147
+ class ResNetBottleNeckLayer(nn.Module):
148
+ """
149
+ A classic ResNet's bottleneck layer composed by three `3x3` convolutions.
150
+
151
+ The first `1x1` convolution reduces the input by a factor of `reduction` in order to make the second `3x3`
152
+ convolution faster. The last `1x1` convolution remaps the reduced features to `out_channels`.
153
+ """
154
+
155
+ def __init__(
156
+ self, in_channels: int, out_channels: int, stride: int = 1, activation: str = "relu", reduction: int = 4
157
+ ):
158
+ super().__init__()
159
+ should_apply_shortcut = in_channels != out_channels or stride != 1
160
+ reduces_channels = out_channels // reduction
161
+ self.shortcut = (
162
+ ResNetShortCut(in_channels, out_channels, stride=stride) if should_apply_shortcut else nn.Identity()
163
+ )
164
+ self.layer = nn.Sequential(
165
+ ResNetConvLayer(in_channels, reduces_channels, kernel_size=1),
166
+ ResNetConvLayer(reduces_channels, reduces_channels, stride=stride),
167
+ ResNetConvLayer(reduces_channels, out_channels, kernel_size=1, activation=None),
168
+ )
169
+ self.activation = ACT2FN[activation]
170
+
171
+ def forward(self, hidden_state):
172
+ residual = hidden_state
173
+ hidden_state = self.layer(hidden_state)
174
+ residual = self.shortcut(residual)
175
+ hidden_state += residual
176
+ hidden_state = self.activation(hidden_state)
177
+ return hidden_state
178
+
179
+
180
+ class ResNetStage(nn.Module):
181
+ """
182
+ A ResNet stage composed by stacked layers.
183
+ """
184
+
185
+ def __init__(
186
+ self,
187
+ config: ResNetConfig,
188
+ in_channels: int,
189
+ out_channels: int,
190
+ stride: int = 2,
191
+ depth: int = 2,
192
+ ):
193
+ super().__init__()
194
+
195
+ layer = ResNetBottleNeckLayer if config.layer_type == "bottleneck" else ResNetBasicLayer
196
+
197
+ self.layers = nn.Sequential(
198
+ # downsampling is done in the first layer with stride of 2
199
+ layer(in_channels, out_channels, stride=stride, activation=config.hidden_act),
200
+ *[layer(out_channels, out_channels, activation=config.hidden_act) for _ in range(depth - 1)],
201
+ )
202
+
203
+ def forward(self, input: Tensor) -> Tensor:
204
+ hidden_state = input
205
+ for layer in self.layers:
206
+ hidden_state = layer(hidden_state)
207
+ hidden_state = hidden_state + 1
208
+ print("having fun in my custom code")
209
+ return hidden_state
210
+
211
+
212
+ class ResNetEncoder(nn.Module):
213
+ def __init__(self, config: ResNetConfig):
214
+ super().__init__()
215
+ self.stages = nn.ModuleList([])
216
+ # based on `downsample_in_first_stage` the first layer of the first stage may or may not downsample the input
217
+ self.stages.append(
218
+ ResNetStage(
219
+ config,
220
+ config.embedding_size,
221
+ config.hidden_sizes[0],
222
+ stride=2 if config.downsample_in_first_stage else 1,
223
+ depth=config.depths[0],
224
+ )
225
+ )
226
+ in_out_channels = zip(config.hidden_sizes, config.hidden_sizes[1:])
227
+ for (in_channels, out_channels), depth in zip(in_out_channels, config.depths[1:]):
228
+ self.stages.append(ResNetStage(config, in_channels, out_channels, depth=depth))
229
+
230
+ def forward(
231
+ self, hidden_state: Tensor, output_hidden_states: bool = False, return_dict: bool = True
232
+ ) -> BaseModelOutputWithNoAttention:
233
+ hidden_states = () if output_hidden_states else None
234
+
235
+ for stage_module in self.stages:
236
+ if output_hidden_states:
237
+ hidden_states = hidden_states + (hidden_state,)
238
+
239
+ hidden_state = stage_module(hidden_state)
240
+
241
+ if output_hidden_states:
242
+ hidden_states = hidden_states + (hidden_state,)
243
+
244
+ if not return_dict:
245
+ return tuple(v for v in [hidden_state, hidden_states] if v is not None)
246
+
247
+ return BaseModelOutputWithNoAttention(
248
+ last_hidden_state=hidden_state,
249
+ hidden_states=hidden_states,
250
+ )
251
+
252
+
253
+ class ResNetPreTrainedModel(PreTrainedModel):
254
+ """
255
+ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained
256
+ models.
257
+ """
258
+
259
+ config_class = ResNetConfig
260
+ base_model_prefix = "resnet"
261
+ main_input_name = "pixel_values"
262
+ supports_gradient_checkpointing = True
263
+
264
+ def _init_weights(self, module):
265
+ if isinstance(module, nn.Conv2d):
266
+ nn.init.kaiming_normal_(module.weight, mode="fan_out", nonlinearity="relu")
267
+ elif isinstance(module, (nn.BatchNorm2d, nn.GroupNorm)):
268
+ nn.init.constant_(module.weight, 1)
269
+ nn.init.constant_(module.bias, 0)
270
+
271
+ def _set_gradient_checkpointing(self, module, value=False):
272
+ if isinstance(module, ResNetEncoder):
273
+ module.gradient_checkpointing = value
274
+
275
+
276
+ RESNET_START_DOCSTRING = r"""
277
+ This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
278
+ as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
279
+ behavior.
280
+
281
+ Parameters:
282
+ config ([`ResNetConfig`]): Model configuration class with all the parameters of the model.
283
+ Initializing with a config file does not load the weights associated with the model, only the
284
+ configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
285
+ """
286
+
287
+ RESNET_INPUTS_DOCSTRING = r"""
288
+ Args:
289
+ pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)`):
290
+ Pixel values. Pixel values can be obtained using [`AutoImageProcessor`]. See
291
+ [`AutoImageProcessor.__call__`] for details.
292
+
293
+ output_hidden_states (`bool`, *optional*):
294
+ Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
295
+ more detail.
296
+ return_dict (`bool`, *optional*):
297
+ Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
298
+ """
299
+
300
+
301
+ @add_start_docstrings(
302
+ "The bare ResNet model outputting raw features without any specific head on top.",
303
+ RESNET_START_DOCSTRING,
304
+ )
305
+ class ResNetModel(ResNetPreTrainedModel):
306
+ def __init__(self, config):
307
+ super().__init__(config)
308
+ self.config = config
309
+ self.embedder = ResNetEmbeddings(config)
310
+ self.encoder = ResNetEncoder(config)
311
+ self.pooler = nn.AdaptiveAvgPool2d((1, 1))
312
+ # Initialize weights and apply final processing
313
+ self.post_init()
314
+
315
+ @add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
316
+ @add_code_sample_docstrings(
317
+ processor_class=_FEAT_EXTRACTOR_FOR_DOC,
318
+ checkpoint=_CHECKPOINT_FOR_DOC,
319
+ output_type=BaseModelOutputWithPoolingAndNoAttention,
320
+ config_class=_CONFIG_FOR_DOC,
321
+ modality="vision",
322
+ expected_output=_EXPECTED_OUTPUT_SHAPE,
323
+ )
324
+ def forward(
325
+ self, pixel_values: Tensor, output_hidden_states: Optional[bool] = None, return_dict: Optional[bool] = None
326
+ ) -> BaseModelOutputWithPoolingAndNoAttention:
327
+ output_hidden_states = (
328
+ output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
329
+ )
330
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
331
+
332
+ embedding_output = self.embedder(pixel_values)
333
+
334
+ encoder_outputs = self.encoder(
335
+ embedding_output, output_hidden_states=output_hidden_states, return_dict=return_dict
336
+ )
337
+
338
+ last_hidden_state = encoder_outputs[0]
339
+
340
+ pooled_output = self.pooler(last_hidden_state)
341
+
342
+ if not return_dict:
343
+ return (last_hidden_state, pooled_output) + encoder_outputs[1:]
344
+
345
+ return BaseModelOutputWithPoolingAndNoAttention(
346
+ last_hidden_state=last_hidden_state,
347
+ pooler_output=pooled_output,
348
+ hidden_states=encoder_outputs.hidden_states,
349
+ )
350
+
351
+
352
+ @add_start_docstrings(
353
+ """
354
+ ResNet Model with an image classification head on top (a linear layer on top of the pooled features), e.g. for
355
+ ImageNet.
356
+ """,
357
+ RESNET_START_DOCSTRING,
358
+ )
359
+ class ResNetCustomForImageClassification(ResNetPreTrainedModel):
360
+ def __init__(self, config):
361
+ super().__init__(config)
362
+ self.num_labels = config.num_labels
363
+ self.resnet = ResNetModel(config)
364
+ # classification head
365
+ self.classifier = nn.Sequential(
366
+ nn.Flatten(),
367
+ nn.Linear(config.hidden_sizes[-1], config.num_labels) if config.num_labels > 0 else nn.Identity(),
368
+ )
369
+ # initialize weights and apply final processing
370
+ self.post_init()
371
+
372
+ @add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
373
+ @add_code_sample_docstrings(
374
+ processor_class=_FEAT_EXTRACTOR_FOR_DOC,
375
+ checkpoint=_IMAGE_CLASS_CHECKPOINT,
376
+ output_type=ImageClassifierOutputWithNoAttention,
377
+ config_class=_CONFIG_FOR_DOC,
378
+ expected_output=_IMAGE_CLASS_EXPECTED_OUTPUT,
379
+ )
380
+ def forward(
381
+ self,
382
+ pixel_values: Optional[torch.FloatTensor] = None,
383
+ labels: Optional[torch.LongTensor] = None,
384
+ output_hidden_states: Optional[bool] = None,
385
+ return_dict: Optional[bool] = None,
386
+ ) -> ImageClassifierOutputWithNoAttention:
387
+ r"""
388
+ labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
389
+ Labels for computing the image classification/regression loss. Indices should be in `[0, ...,
390
+ config.num_labels - 1]`. If `config.num_labels > 1` a classification loss is computed (Cross-Entropy).
391
+ """
392
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
393
+
394
+ outputs = self.resnet(pixel_values, output_hidden_states=output_hidden_states, return_dict=return_dict)
395
+
396
+ pooled_output = outputs.pooler_output if return_dict else outputs[1]
397
+
398
+ logits = self.classifier(pooled_output)
399
+
400
+ loss = None
401
+
402
+ if labels is not None:
403
+ if self.config.problem_type is None:
404
+ if self.num_labels == 1:
405
+ self.config.problem_type = "regression"
406
+ elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
407
+ self.config.problem_type = "single_label_classification"
408
+ else:
409
+ self.config.problem_type = "multi_label_classification"
410
+ if self.config.problem_type == "regression":
411
+ loss_fct = MSELoss()
412
+ if self.num_labels == 1:
413
+ loss = loss_fct(logits.squeeze(), labels.squeeze())
414
+ else:
415
+ loss = loss_fct(logits, labels)
416
+ elif self.config.problem_type == "single_label_classification":
417
+ loss_fct = CrossEntropyLoss()
418
+ loss = loss_fct(logits.view(-1, self.num_labels), labels.view(-1))
419
+ elif self.config.problem_type == "multi_label_classification":
420
+ loss_fct = BCEWithLogitsLoss()
421
+ loss = loss_fct(logits, labels)
422
+
423
+ if not return_dict:
424
+ output = (logits,) + outputs[2:]
425
+ return (loss,) + output if loss is not None else output
426
+
427
+ return ImageClassifierOutputWithNoAttention(loss=loss, logits=logits, hidden_states=outputs.hidden_states)
428
+
429
+
430
+ @add_start_docstrings(
431
+ """
432
+ ResNet backbone, to be used with frameworks like DETR and MaskFormer.
433
+ """,
434
+ RESNET_START_DOCSTRING,
435
+ )
436
+ class ResNetBackbone(ResNetPreTrainedModel, BackboneMixin):
437
+ def __init__(self, config):
438
+ super().__init__(config)
439
+
440
+ self.stage_names = config.stage_names
441
+ self.embedder = ResNetEmbeddings(config)
442
+ self.encoder = ResNetEncoder(config)
443
+
444
+ self.out_features = config.out_features if config.out_features is not None else [self.stage_names[-1]]
445
+
446
+ out_feature_channels = {}
447
+ out_feature_channels["stem"] = config.embedding_size
448
+ for idx, stage in enumerate(self.stage_names[1:]):
449
+ out_feature_channels[stage] = config.hidden_sizes[idx]
450
+
451
+ self.out_feature_channels = out_feature_channels
452
+
453
+ # initialize weights and apply final processing
454
+ self.post_init()
455
+
456
+ @property
457
+ def channels(self):
458
+ return [self.out_feature_channels[name] for name in self.out_features]
459
+
460
+ @add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
461
+ @replace_return_docstrings(output_type=BackboneOutput, config_class=_CONFIG_FOR_DOC)
462
+ def forward(
463
+ self, pixel_values: Tensor, output_hidden_states: Optional[bool] = None, return_dict: Optional[bool] = None
464
+ ) -> BackboneOutput:
465
+ """
466
+ Returns:
467
+
468
+ Examples:
469
+
470
+ ```python
471
+ >>> from transformers import AutoImageProcessor, AutoBackbone
472
+ >>> import torch
473
+ >>> from PIL import Image
474
+ >>> import requests
475
+
476
+ >>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
477
+ >>> image = Image.open(requests.get(url, stream=True).raw)
478
+
479
+ >>> processor = AutoImageProcessor.from_pretrained("microsoft/resnet-50")
480
+ >>> model = AutoBackbone.from_pretrained(
481
+ ... "microsoft/resnet-50", out_features=["stage1", "stage2", "stage3", "stage4"]
482
+ ... )
483
+
484
+ >>> inputs = processor(image, return_tensors="pt")
485
+
486
+ >>> outputs = model(**inputs)
487
+ >>> feature_maps = outputs.feature_maps
488
+ >>> list(feature_maps[-1].shape)
489
+ [1, 2048, 7, 7]
490
+ ```"""
491
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
492
+ output_hidden_states = (
493
+ output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
494
+ )
495
+
496
+ embedding_output = self.embedder(pixel_values)
497
+
498
+ outputs = self.encoder(embedding_output, output_hidden_states=True, return_dict=True)
499
+
500
+ hidden_states = outputs.hidden_states
501
+
502
+ feature_maps = ()
503
+ for idx, stage in enumerate(self.stage_names):
504
+ if stage in self.out_features:
505
+ feature_maps += (hidden_states[idx],)
506
+
507
+ if not return_dict:
508
+ output = (feature_maps,)
509
+ if output_hidden_states:
510
+ output += (outputs.hidden_states,)
511
+ return output
512
+
513
+ return BackboneOutput(
514
+ feature_maps=feature_maps,
515
+ hidden_states=outputs.hidden_states if output_hidden_states else None,
516
+ attentions=None,
517
+ )
518
+
preprocessor_config.json DELETED
@@ -1,18 +0,0 @@
1
- {
2
- "crop_pct": 0.875,
3
- "do_normalize": true,
4
- "do_resize": true,
5
- "feature_extractor_type": "ConvNextFeatureExtractor",
6
- "image_mean": [
7
- 0.485,
8
- 0.456,
9
- 0.406
10
- ],
11
- "image_std": [
12
- 0.229,
13
- 0.224,
14
- 0.225
15
- ],
16
- "resample": 3,
17
- "size": 224
18
- }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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@@ -1,3 +1,3 @@
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- oid sha256:b41ec5a4bea6eee004ec1213ed11685f6d61f457f8e4ce91190dabb9b8edf680
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- size 401037
 
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  version https://git-lfs.github.com/spec/v1
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+ oid sha256:8f478b667de57399a36a48edda1a0c261b8370677f3b500f9dd740afc4967e15
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+ size 46837749