https://www.jianshu.com/p/e371099f12bd 系统方案
https://blog.csdn.net/feishixin/article/details/77581806 虹软的人脸识别库 http://www.arcsoft.com.cn/ai/arcface.html
https://juejin.im/post/5bb1da0bf265da0b001f4374 多方案 coreimage/coreml/opencv
AR实现脸部检测
https://www.raywenderlich.com/ios/articles
https://www.cnblogs.com/pengjf/p/9767234.html 是否睁眼闭眼检测需要配置