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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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+ - cityscapes
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+ widget:
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+ - src: https://huggingface.co/datasets/hf-internal-testing/fixtures_ade20k/resolve/main/ADE_val_00000001.jpg
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+ example_title: House
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+ - src: https://huggingface.co/datasets/hf-internal-testing/fixtures_ade20k/resolve/main/ADE_val_00000002.jpg
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+ example_title: Castle
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+ ---
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+
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+ # SegFormer (b4-sized) model fine-tuned on CityScapes
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+
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+ SegFormer model fine-tuned on CityScapes at resolution 1024x1024. It was introduced in the paper [SegFormer: Simple and Efficient Design for Semantic Segmentation with Transformers](https://arxiv.org/abs/2105.15203) by Xie et al. and first released in [this repository](https://github.com/NVlabs/SegFormer).
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+
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+ Disclaimer: The team releasing SegFormer 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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+
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+ ## Model description
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+
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+ SegFormer consists of a hierarchical Transformer encoder and a lightweight all-MLP decode head to achieve great results on semantic segmentation benchmarks such as ADE20K and Cityscapes. The hierarchical Transformer is first pre-trained on ImageNet-1k, after which a decode head is added and fine-tuned altogether on a downstream dataset.
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+
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+ ## Intended uses & limitations
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+
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+ You can use the raw model for semantic segmentation. See the [model hub](https://huggingface.co/models?other=segformer) to look for fine-tuned versions on a task that interests you.
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+
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+ ### How to use
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+
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+ Here is how to use this model to classify an image of the COCO 2017 dataset into one of the 1,000 ImageNet classes:
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+
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+ ```python
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+ from transformers import SegformerFeatureExtractor, SegformerForSemanticSegmentation
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+ from PIL import Image
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+ import requests
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+
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+ feature_extractor = SegformerFeatureExtractor.from_pretrained("nvidia/segformer-b4-finetuned-cityscapes-1024-1024")
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+ model = SegformerForSemanticSegmentation.from_pretrained("nvidia/segformer-b4-finetuned-cityscapes-1024-1024")
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+
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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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+
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+ inputs = feature_extractor(images=image, return_tensors="pt")
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+ outputs = model(**inputs)
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+ logits = outputs.logits # shape (batch_size, num_labels, height/4, width/4)
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+ ```
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+
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+ For more code examples, we refer to the [documentation](https://huggingface.co/transformers/model_doc/segformer.html#).
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+
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+ ### BibTeX entry and citation info
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+
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+ ```bibtex
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+ @article{DBLP:journals/corr/abs-2105-15203,
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+ author = {Enze Xie and
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+ Wenhai Wang and
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+ Zhiding Yu and
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+ Anima Anandkumar and
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+ Jose M. Alvarez and
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+ Ping Luo},
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+ title = {SegFormer: Simple and Efficient Design for Semantic Segmentation with
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+ Transformers},
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+ journal = {CoRR},
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+ volume = {abs/2105.15203},
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+ year = {2021},
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+ url = {https://arxiv.org/abs/2105.15203},
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+ eprinttype = {arXiv},
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+ eprint = {2105.15203},
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+ timestamp = {Wed, 02 Jun 2021 11:46:42 +0200},
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+ biburl = {https://dblp.org/rec/journals/corr/abs-2105-15203.bib},
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+ bibsource = {dblp computer science bibliography, https://dblp.org}
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+ }
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+ ```