There are various recognition methods for facial recognition systems, but they usually involve a series of steps such as capture, analysis, and comparison, comparing your face with images stored in the database. The following is the basic process used by the FaceIt system to capture and compare images:

Facial recognition software can be classified into a major category of technologies called biometric recognition. Biometric technology uses biometric information to verify identity. The theory behind biometric recognition is that our bodies contain unique features that can be used to distinguish us from others. In addition to facial recognition, biometric identity verification methods also include fingerprint scanning, retinal scanning, and speech recognition.