Rockey 1b41989934 [Feature] Add focal loss (#1024) ... * [Feature] add focal loss * fix the bug of 'non' reduction type * refine the implementation * add class_weight and ignore_index; support different alpha values for different classes * fixed some bugs * fix bugs * add comments * modify test * Update mmseg/models/losses/focal_loss.py Co-authored-by: Junjun2016 <hejunjun@sjtu.edu.cn> * update test_focal_loss.py * modified the implementation * Update mmseg/models/losses/focal_loss.py Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com> * update focal_loss.py Co-authored-by: Junjun2016 <hejunjun@sjtu.edu.cn> Co-authored-by: Jerry Jiarui XU <xvjiarui0826@gmail.com>		2021-12-03 00:18:40 -08:00
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__init__.py	[Feature] Add focal loss (#1024)	2021-12-03 00:18:40 -08:00
accuracy.py	[Dcos] Add header for files (#796)	2021-08-16 23:16:55 -07:00
cross_entropy_loss.py	[Feature] Support multiple losses during training (#818)	2021-09-24 15:08:28 +08:00
dice_loss.py	[Feature] Support multiple losses during training (#818)	2021-09-24 15:08:28 +08:00
focal_loss.py	[Feature] Add focal loss (#1024)	2021-12-03 00:18:40 -08:00
lovasz_loss.py	[Feature] Support multiple losses during training (#818)	2021-09-24 15:08:28 +08:00
utils.py	[Enhancement] Add codespell pre-commit hook and fix typos (#920)	2021-10-13 06:21:17 -07:00