目标检测知识点代码汇总

目前已实现：

loss_function.py

• Detector_losses: BEC_loss, CE_loss;
• Proposal_losses: L1_loss(MAE loss), L2_loss(MSE loss), Smooth_L1_loss, IoU_loss, GIoU_loss, DIoU_loss, CIoU_loss, AlphaIoU_loss.

spp.py

• SPP: Spatial Pyramid Pooling.
• SPPF: Spatial Pyramid Pooling - Fast (SPPF)