abc_xyz

add your config in this line opt.cfg, opt.weights, opt.resume = './cfg/yolov4.cfg', ckpt, True. It works for me

I realize this problem due to unsuitable anchor and IOU. try modifying this line positive_indices = torch.ge(IoU_max, 0.4) --> positive_indices = torch.ge(IoU_max, 0.1) Thanks