Anti-Spoofing Presentation Attack Detection in liveness checks is a security feature that identifies and prevents attempts to trick biometric systems using false representations, such as photos, videos, masks, or other artificial artifacts. It's essential for maintaining the integrity and reliability of biometric authentication systems.
This could happen due to various reasons such as the presentation of a photo, mask, or another non-live representation, or it could also be due to technical issues like poor image quality, incorrect positioning, or inadequate lighting during the authentication attempt