What is the function of face recognition flap barrier?

What is the function of face recognition Flap Barrier ?

Abstract: Access Control in the recognition of credit card and fingerprint or palm print are familiar, but also the most used two kinds of access control recognition system, today to tell you about face recognition in flap Barrier access control system applications Advantages, hope can help you learn more about flap barrier knowledge.

Access control in the identification of credit card and fingerprints or palm prints are all familiar, but also the most used two access control recognition system, today to tell you about face recognition in flap barrier access control system application advantages, Hope that we can help you learn more about flap barrier knowledge.

Because the flap barrier uses the visible light to obtain the face image information completely in face recognition, different from the fingerprint flap barrier recognition or the iris recognition, the electronic pressure sensor needs to collect the fingerprint or use the infrared to collect the iris image. These special collection methods are very easy Be perceived and thus more likely to be deceived.

Moreover, the unobtrusive recognition method is also very important, so that it will be one of the most difficult research topics in the field of biological barrier flap recognition and even artificial intelligence. The problem of face flap recognition is mainly caused by the characteristics of human face as a biological feature.

Face has two characteristics of the visual, one is the difference between different individuals, all the human face are similar in structure, and even the shape and structure of facial organs are very similar. This feature is useful for locating the face, but it is unfavorable for using the human face to distinguish the human individual. Secondly, the shape of the face is not disorderly. People can create a lot of expressions through the change of the face. However, In addition, the face flap barrier recognition is also affected by lighting conditions (such as day and night, indoor and outdoor, etc.), many face masks (such as masks, sunglasses and hair , Beard, etc.), Spring and Autumn and other factors.

So flap barrier in face recognition, the first type of change should be amplified as a separate scale, and the second type of change should be eliminated, because they can represent a unified individual. The first type of change is commonly referred to as the change between classes, while the second type of change is called intra-class change. For the face, the changes within the class are often greater than the class changes, so that under the interference of changes within the class, the use of changes between classes become very difficult to distinguish between individuals.

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