Segformer B0 Finetuned Cityscapes 512 1024

🚀 SegFormer (b4-sized) model fine-tuned on CityScapes

A SegFormer model fine-tuned on the CityScapes dataset at a resolution of 512x1024, offering high - performance semantic segmentation.

🚀 Quick Start

The SegFormer model presented here is fine - tuned on the CityScapes dataset at a resolution of 512x1024. It was first introduced in the paper SegFormer: Simple and Efficient Design for Semantic Segmentation with Transformers by Xie et al. and initially released in this repository.

Disclaimer: The team that released SegFormer did not write a model card for this model. This model card has been written by the Hugging Face team.

✨ Features

• Hierarchical Architecture: SegFormer is composed of a hierarchical Transformer encoder and a lightweight all - MLP decode head, which enables it to achieve excellent results on semantic segmentation benchmarks like ADE20K and Cityscapes.
• Pre - training and Fine - tuning: The hierarchical Transformer is pre - trained on ImageNet - 1k, and then a decode head is added and fine - tuned on a downstream dataset.

📚 Documentation

Model description

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.

Intended uses & limitations

You can use the raw model for semantic segmentation. See the model hub to look for fine - tuned versions on a task that interests you.

💻 Usage Examples

Basic Usage

Here is how to use this model to classify an image of the COCO 2017 dataset into one of the 1,000 ImageNet classes:

from transformers import SegformerFeatureExtractor, SegformerForSemanticSegmentation
from PIL import Image
import requests

feature_extractor = SegformerFeatureExtractor.from_pretrained("nvidia/segformer-b0-finetuned-cityscapes-512-1024")
model = SegformerForSemanticSegmentation.from_pretrained("nvidia/segformer-b0-finetuned-cityscapes-512-1024")

url = "http://images.cocodataset.org/val2017/000000039769.jpg"
image = Image.open(requests.get(url, stream=True).raw)

inputs = feature_extractor(images=image, return_tensors="pt")
outputs = model(**inputs)
logits = outputs.logits  # shape (batch_size, num_labels, height/4, width/4)

For more code examples, we refer to the documentation.

📄 License

The license for this model can be found here.

BibTeX entry and citation info

@article{DBLP:journals/corr/abs-2105-15203,
  author    = {Enze Xie and
               Wenhai Wang and
               Zhiding Yu and
               Anima Anandkumar and
               Jose M. Alvarez and
               Ping Luo},
  title     = {SegFormer: Simple and Efficient Design for Semantic Segmentation with
               Transformers},
  journal   = {CoRR},
  volume    = {abs/2105.15203},
  year      = {2021},
  url       = {https://arxiv.org/abs/2105.15203},
  eprinttype = {arXiv},
  eprint    = {2105.15203},
  timestamp = {Wed, 02 Jun 2021 11:46:42 +0200},
  biburl    = {https://dblp.org/rec/journals/corr/abs-2105-15203.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}