MMSegmentation

MMSegmentation is an open-source semantic segmentation toolbox based on PyTorch, part of the OpenMMLab project. It provides a unified framework for training, testing, and deploying segmentation models, supporting a wide range of architectures (e.g., DeepLabV3+, PSPNet, U-Net) and datasets. Current version is 1.2.2 (Dec 2023), with a major v1.0.0 release marking a structural overhaul from v0.x. Release cadence is irregular, with minor patches every few months.