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Documentation: https://mmsegmentation.readthedocs.io/

Introduction

MMSegmentation is an open source semantic segmentation toolbox based on PyTorch. It is a part of the OpenMMLab project.

The master branch works with PyTorch 1.3 to 1.5.

Major features

• Unified Benchmark

  We provide a unified benchmark toolbox for various semantic segmentation methods.

• Modular Design

  We decompose the semantic segmentation framework into different components and one can easily construct a customized semantic segmentation framework by combining different modules.

• Support of multiple methods out of box

  The toolbox directly supports popular and contemporary semantic segmentation frameworks, e.g. PSPNet, DeepLabV3, PSANet, DeepLabV3+, etc.

• High efficiency

  The training speed is faster than or comparable to other codebases.

License

This project is released under the Apache 2.0 license.

Changelog

v0.5.1 was released in 11/08/2020. Please refer to changelog.md for details and release history.

Benchmark and model zoo

Results and models are available in the model zoo.

Supported backbones:

• ResNet
• ResNeXt
• HRNet
• ResNeSt

Supported methods:

• FCN
• PSPNet
• DeepLabV3
• PSANet
• DeepLabV3+
• UPerNet
• NonLocal Net
• EncNet
• CCNet
• DANet
• GCNet
• ANN
• OCRNet
• Fast-SCNN
• Semantic FPN
• PointRend
• EMANet
• DNLNet
• Mixed Precision (FP16) Training

Installation

Please refer to INSTALL.md for installation and dataset preparation.

Get Started

Please see getting_started.md for the basic usage of MMSegmentation. There are also tutorials for adding new dataset, designing data pipeline, and adding new modules.

A Colab tutorial is also provided. You may preview the notebook here or directly run on Colab.

Contributing

We appreciate all contributions to improve MMSegmentation. Please refer to CONTRIBUTING.md for the contributing guideline.

Acknowledgement

MMSegmentation is an open source project that welcome any contribution and feedback. We wish that the toolbox and benchmark could serve the growing research community by providing a flexible as well as standardized toolkit to reimplement existing methods and develop their own new semantic segmentation methods.