Smart door locks have now entered thousands of households, especially when you brush your face to open the door, so that you can really go home without feeling. As long as you stand at the door, the door lock can identify the owner and automatically open the door, eliminating the operation of pressing your fingers, and truly liberating your hands and taking more things at home.

　　The smart door lock that was originally thought to be unlocked by "brushing face" is very "tall". Who would have thought that "brushing photos" could also unlock it? This is because in the early days of face recognition smart door locks, most products used 2D face recognition technology, which brought many security risks to everyone.

　　Let me tell you now, how does the current smart door lock judge that it is a "real face"?

　　Nowadays, face recognition technology has changed from 2D to 3D, and a thermal imaging face recognition technology, namely 3D face recognition technology, has been applied to smart door locks.

　　This technology mainly produces and analyzes facial images by analyzing the thermal radiation generated by facial blood, which is unique and not easy to be covered up and forged by makeup, and solves the security hidden danger of the dummy’s face unlocking.