Who knows how to do the face function of crossing the line of fire?

To solve this problem, we must first understand the function and usage of face.

First of all, face recognition refers to a computer technology that uses the analysis and comparison of facial visual feature information for identity authentication. Face recognition is a research hotspot of computer technology. It belongs to biometric technology, which distinguishes individual organisms from biological characteristics, especially distinguishing human beings is us. Face recognition in a broad sense actually includes a series of related technologies to build a face recognition system, including face image acquisition, face location, face recognition preprocessing, identity confirmation and identity search. Face recognition in a narrow sense refers to a technology or system that uses a person's face to confirm or search for identity.

Secondly, computer face recognition technology replaces the password input process of notebook login. An interesting security software is the gimmick of the manufacturer. When logging in, the notebook will automatically log in to the desktop instead of the password. This technology has a lot to do with light intensity. Before use, you need to use the notebook camera as a touch screen to input the face, and then the system will compare the expression of the user every time he logs in to see if it is a facial touchpad recorded in the computer. If yes, you can enter it. If not, you can't enter. If you can't enter the face login, the system will automatically jump to enter the password, which will not affect the normal operation.

Third, pay attention to the operation of facial functions. Finally, I personally think that this intelligent function has brought two most direct benefits: one is to make the photographer focus more on framing, which can achieve a more perfect composition, and the other is to improve the shooting speed. For example, Fuji's face detection and face recognition functions are based on hardware, that is, the camera's processing chip has a special integrated circuit for calculation. Compared with the previous processing, each processing time is less than 0.05 seconds to align the subject-half press the shutter-press AE/AF to lock the frame? Faster, more suitable for shooting. You can identify your friends from the photos uploaded to the service.