mmaction2
MMAction2 is an open-source video understanding toolbox built on PyTorch, as part of the OpenMMLab initiative. It provides a flexible architecture for customization, supporting action recognition, localization, spatio-temporal detection, skeleton-based detection, and video retrieval tasks. The v1.2.0 release adds support for new models and datasets, including VindLU, MobileOne TSN/TSM, and MSVD video retrieval, accompanied by detailed documentation and unit tests.