MMDetection V2.2.0 Release Notes

Highlights

• Support new methods: Support new methods: DetectoRS, PointRend, Generalized Focal Loss, Dynamic R-CNN.

Bug Fixes

• Fix FreeAnchor when no gt in image (#3176)
• Clean up deprecated usage of register_module() (#3092, #3161)
• Fix pretrain bug in NAS FCOS (#3145)
• Fix num_classes in SSD (#3142)
• Fix FCOS warmup (#3119)
• Fix rstrip in tools/publish_model.py
• Fix flip_ratio default value in RandomFLip pipeline (#3106)
• Fix cityscapes eval with ms_rcnn (#3112)
• Fix RPN softmax (#3056)
• Fix filename of [email protected] (#2998)
• Fix nan loss by filtering out-of-frame gt_bboxes in COCO (#2999)
• Fix bug in FSAF (#3018)
• Add FocalLoss num_classes check (#2964)
• Fix PISA Loss when there are no gts (#2992)
• Avoid nan in iou_calculator (#2975)
• Prevent possible bugs in loading and transforms caused by shallow copy (#2967)

New Features

• Add DetectoRS (#3064)
• Support Generalize Focal Loss (#3097)
• Support PointRend (#2752)
• Support Dynamic R-CNN (#3040)
• Add DeepFashion dataset (#2968)
• Implement FCOS training tricks (#2935)
• Use BaseDenseHead as base class for anchor-base heads (#2963)
• Add with_cp for BasicBlock (#2891)
• Add stem_channles argument for ResNet (#2954)

Improvements

• Add anchor free base head (#2867)
• Migrate to github action (#3137)
• Add docstring for datasets, pipelines, core modules and methods (#3130, #3125, #3120)
• Add VOC benchmark (#3060)
• Add concat mode in GRoI (#3098)
• Remove cmd arg autorescale-lr (#3080)
• Use len(data['img_metas']) to indicate num_samples (#3073, #3053)
• Switch to EpochBasedRunner (#2976)

New Contributors

• @azibit made their first contribution in #2989
• @tonysy made their first contribution in #2998
• @veralauee made their first contribution in #2968
• @XiaohangZhan made their first contribution in #3132
• @implus made their first contribution in #3097

Full Changelog: v2.1.0...v2.2.0