Showing some details of YoloV5.

[yyccR]

yolov5 release6.0 struture:

box predict compare with yolov3:

positive sampling

box loss

objectness loss

class loss:

more details can be found on this tutorial pdf:

https://github.com/yyccR/yolov5_in_tf2_keras/blob/master/yolov5_bilibili_talk_ppt.pdf

[glenn-jocher]

@yyccR super summary. Thank you for your contributions!