face detect based on MaixCDK
Model download from:
https://maixhub.com/model/zoo/377 (face_detector https://github.com/biubug6/Face-Detector-1MB-with-landmark)
https://maixhub.com/model/zoo/378 (retinaface https://github.com/biubug6/Pytorch_Retinaface)
Build method please visit MaixCDK.
