參考：
https://baike.baidu.com/item/%E5%9B%BE%E5%83%8F%E8%AF%86%E5%88%AB%E6%8A%80%E6%9C%AF/4581907?fr=aladdin
https://baike.baidu.com/item/%E5%9B%BE%E5%83%8F%E8%AF%86%E5%88%AB/6263637?fr=aladdin
https://www.zhihu.com/question/38014222
圖像識別技術的原理是什么？ - 騰訊的回答 - 知乎 https://www.zhihu.com/question/38014222/answer/499925265
http://www.uml.org.cn/ai/202010104.asp?artid=22858
https://blog.csdn.net/jiangjunshow/article/details/77338485