Open foralliance opened 5 years ago
@kuangliu HI
For focal loss. The classification branch uses the sigmoid function.
Why background class is considered in the classification branch?? such as coco, num_classes=80 instead of 81.
I think the classification layer lacks sigmoid operation ..
Same here.
@kuangliu HI
For focal loss. The classification branch uses the sigmoid function.
Why background class is considered in the classification branch?? such as coco, num_classes=80 instead of 81.