Focal Loss及其改进

October 24, 2024 · 1 min · 102 words · lvsolo | Edit

based on new-yolov1-pytorch project

2.1 FocalLoss: PaperMode blog

MultiHeadFPN+FocalLoss

Model	mAP(07test)	LogFile
FPN/MultiHeadFPN	0.7149	eval_log/log_eval_myYOLOWithFPNMultiPred_with_sam_for_3_head_142
Loss/MultiHeadFPNFocalloss alpha=0.75	0.6742	eval_log/
Loss/MultiHeadFPNFocalloss alpha=0.5	0.6964	eval_log/log_myYOLOWithFPNMultiPredFocalLoss_yolo_143_new
Loss/MultiHeadFPNFocalloss alpha=0.25	0.7121	eval_log/log_myYOLOWithFPNMultiPredFocalLoss_alpha0.25_yolo_154

BiFPN+FocalLoss

Model	mAP(07test)	LogFile
FPN/MultiHeadFPN	0.7149	eval_log/log_eval_myYOLOWithFPNMultiPred_with_sam_for_3_head_142
Loss/MultiHeadBiFPNFocalLoss alpha=0.5	0.6975	eval_log/log_myYOLOWithBiFPNMultiPredFocalLoss_yolo_152
Loss/MultiHeadBiFPNFocalLoss alpha=0.25	0.7201	eval_log/log_myYOLOWithBiFPNMultiPredFocalLoss_alpha0.25_yolo_141

AugFPN+FocalLoss

Model	mAP(07test)	LogFile
FPN/MultiHeadFPN	0.7149	eval_log/log_eval_myYOLOWithFPNMultiPred_with_sam_for_3_head_142
Loss/MultiHeadAugFPNFocalLoss alpha=0.5	0.6922	eval_log/log_myYOLOWithAugFPNMultiPredFocalLoss_yolo_143
Loss/MultiHeadAugFPNFocalLoss alpha=0.25	0.7128	eval_log/log_myYOLOWithAugFPNMultiPredFocalLoss_alpha0.25_yolo_154

2.2 PolyFocalLoss

Model	mAP(07test)	LogFile
FPN/MultiHeadFPN	0.7149	eval_log/log_eval_myYOLOWithFPNMultiPred_with_sam_for_3_head_142
Loss/MultiHeadFPNPolyLossFL poly_scale=1 poly_pow=1	0.7182
Loss/MultiHeadFPNPolyLossFL poly_scale=1 poly_pow=2	0.7187
Loss/MultiHeadFPNPolyLossFL poly_scale=1 poly_pow=3	0.7199
Loss/MultiHeadFPNPolyLossFL poly_scale=-1 poly_pow=1	0.7073
Loss/MultiHeadFPNPolyLossFL poly_scale=-1 poly_pow=2	0.7204
Loss/MultiHeadFPNPolyLossFL poly_scale=-1 poly_pow=3	0.7212

2.3 VariFocalLoss

Model	mAP(07test)	LogFile
FPN/MultiHeadFPN	0.7149	eval_log/log_eval_myYOLOWithFPNMultiPred_with_sam_for_3_head_142
Loss/MultiHeadFPNVariLossFL alpha=0.25 gamma=2	0.6729	eval_log/log_myYOLOWithFPNMultiPredVariFocalLoss_yolo_160