If you can’t click, the face is not recognized, which may be due to the following reasons.

1. Regarding the angle, it is best to identify the person from the front, not from the side. 2. Occlusion problem. If you have bangs or wear thick glasses, the recognition rate will be very low, such as makeup. 3. Regarding lighting issues, do not compare against the light, but along the light.

Face recognition is a biometric technology for identity recognition based on people’s facial feature information. A series of related technologies that use a video camera or video camera to collect images or video streams containing human faces, and automatically detect and track faces in the images, and then perform face recognition on the detected faces, usually also called portrait recognition and facial recognition. .