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README.md
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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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- segments/sidewalk-semantic
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---
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# SegFormer (b1-sized) model fine-tuned on sidewalk-semantic dataset
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SegFormer model fine-tuned on segments/sidewalk-semantic at resolution 512x512. 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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## Model description
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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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## Intended uses & limitations
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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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### How to use
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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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```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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feature_extractor = SegformerFeatureExtractor(reduce_labels=True)
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model = SegformerForSemanticSegmentation.from_pretrained("ChainYo/segformer-sidewalk")
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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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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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For more code examples, we refer to the [documentation](https://huggingface.co/transformers/model_doc/segformer.html#).
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