FaceRec is a python script to recognize faces with face_recognition.
The script fr.py can recognize faces in images according to the labeled images. It will write name of face into metadata of image by adding {"Xmp.xmp.Keywords": "name1,name2, name3,..."} to xmp.
The labeled images can be uploaded to NAS. The name of each face of images can be found through Photprism's index.