Some imitations of google mobile vision API are suspected, but they are charged.
https://ai.baidu.com/tech/face/detect
Baidu face recognition SDK http://ai.baidu.com/tech/face/offline-sdk?track=cp:ainsem|pf:pc|pp:chanpin-renlianshibie|pu:renlianshibie-lixian-pinpai|ci: |kw:10002384
Baidu Brain AI Open Platform http://ai.baidu.com/?track=cp:aipinzhuan|pf:pc|pp:AIpingtai|pu:title|ci:|kw:10005792
Andrews Machine + data cable with you face recognition application development and deployment, live: https://mp.weixin.qq.com/s?__biz=MjM5MjAwODM4MA==&mid=2650747390&idx=2&sn=8c9953c0061bdab2877b4e2cbcb9a042&chksm=bea7402d89d0c93bc09a36f2955a0c3846ac705a4e5ba037e22f381c20f4a8cc027de243ea59&scene=126&sessionid=1590129669&key= 6bcdbe2a872cfbfd9c730c23b5de03e507125599449d353b096d5d52b26a6308c4761a5abe76ea35527bbcccec0a74d2d7cc1d0ca60adef20b3a1dd1146dd287b767758f0d69dbfd9f2d7b5181678114 & ascene = 1 & uin = NzQwMDgwMzM3 & devicetype = Windows + 10 + x64 & version = 62090070 & lang = zh_CN & exportkey = A1xlLkdyNW06j1% 2BrRApHe98% 3D & pass_ticket = Kv3KEpvizJzgXArhtg4Q0jGtpFKDJowiugX1Cw% 2FnpcxskqGJMbJ0nOSe6yUvtfpC