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--- |
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license: apache-2.0 |
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tags: |
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- vision |
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- image-segmentation |
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datasets: |
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- ade-20k |
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--- |
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# MaskFormer |
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MaskFormer model trained on ade-20k. It was introduced in the paper [Per-Pixel Classification is Not All You Need for Semantic Segmentation](https://arxiv.org/abs/2107.06278) and first released in [this repository](https://github.com/facebookresearch/MaskFormer/blob/da3e60d85fdeedcb31476b5edd7d328826ce56cc/mask_former/modeling/criterion.py#L169). |
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Disclaimer: The team releasing Mask did not write a model card for this model so this model card has been written by the Hugging Face team. |
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## Model description |
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MaskFormer addresses semantic segmentation with a mask classification paradigm instead. |
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## Intended uses & limitations |
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You can use the raw model for image classification. See the [model hub](https://huggingface.co/models?search=maskformer) to look for |
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fine-tuned versions on a task that interests you. |
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### How to use |
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Here is how to use this model: |
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```python |
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>>> from transformers import MaskFormerFeatureExtractor, MaskFormerForInstanceSegmentation |
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>>> from PIL import Image |
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>>> import requests |
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>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg" |
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>>> image = Image.open(requests.get(url, stream=True).raw) |
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>>> feature_extractor = MaskFormerFeatureExtractor.from_pretrained("facebook/maskformer-swin-base-ade") |
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>>> inputs = feature_extractor(images=image, return_tensors="pt") |
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>>> model = MaskFormerForInstanceSegmentation.from_pretrained("facebook/maskformer-swin-base-ade") |
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>>> outputs = model(**inputs) |
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>>> # model predicts class_queries_logits of shape `(batch_size, num_queries)` |
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>>> # and masks_queries_logits of shape `(batch_size, num_queries, height, width)` |
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>>> class_queries_logits = outputs.class_queries_logits |
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>>> masks_queries_logits = outputs.masks_queries_logits |
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>>> # you can pass them to feature_extractor for postprocessing |
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>>> output = feature_extractor.post_process_segmentation(outputs) |
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>>> output = feature_extractor.post_process_semantic_segmentation(outputs) |
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>>> output = feature_extractor.post_process_panoptic_segmentation(outputs) |
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``` |
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For more code examples, we refer to the [documentation](https://huggingface.co/docs/transformers/master/en/model_doc/maskformer). |
