参考链接：
https://blog.csdn.net/weixin_38688399/article/details/106692156
https://www.cnblogs.com/yymn/articles/13672236.html
opencv学堂的文章：想读懂YOLOV4，你需要先了解下列技术(一)
https://zhuanlan.zhihu.com/p/104236411
https://www.bilibili.com/video/BV1yi4y1g7ro?p=4
https://blog.csdn.net/weixin_44751294/article/details/117987180
https://mp.weixin.qq.com/s?__biz=MzA4MDExMDEyMw==&mid=2247488368&idx=2&sn=d00d42aefe09432aa8baa69bbe771bc8&chksm=9fa86434a8dfed22f6a746d5b483c3d880dcaffb02c05f86117fd866341db6f7b07ca6632864&xtrack=1&scene=90&subscene=93&sessionid=1589036265&clicktime=1589036288&enterid=1589036288&ascene=56&devicetype=android-28&version=27000e37&nettype=WIFI&abtest_cookie=AAACAA%3D%3D&lang=zh_CN&exportkey=A303s4uoOMO0ArvLN6BnBN8%3D&pass_ticket=z%2BiU16OB%2F2BDTd%2FR8nz62f2bZmtE9fhwYC%2FdHvznjK37jBATmdt1JgsvzI1dhQah&wx_header=1
