Shared device system and fingerprint recognition method for shared device

Abstract

The present invention discloses a shared device system and a fingerprint recognition and reading method for a shared device. The shared device system can be activated by a user through using a fingerprint; and after goods are taken out, a billing unit directly performs feed reduction; and therefore, the shared device system has the advantages of convenience and quickness. According to the fingerprint recognition and reading method for the shared device, when a fingerprint recognition and reading system renders no recognition results, an intuitive visual image can be provided by the fingerprint recognition and reading method of the invention, so that the user can see the matching result of an input fingerprint and an image closest to a reference fingerprint, and therefore, the user can find out problems by himself or herself and timely adjust fingerprint input, and the efficiency of fingerprint recognition and reading can be improved.

Description

technical field [0001] The invention relates to shared equipment, in particular to a shared equipment system and a fingerprint identification method for shared equipment. Background technique [0002] Fingerprint, because of its lifelong invariance, uniqueness and convenience, has become an important biometric identification object. Fingerprints are the uneven lines on the skin at the end of a person's fingers. The lines are arranged regularly to form different grain types. The breakpoints and bifurcation points of the lines are called the minutiae feature points of the fingerprint. Fingerprint identification refers to identification by comparing the detailed feature points of different fingerprints. Because everyone's fingerprints are different, even between the ten fingers of the same person, there are obvious differences in fingerprints, so fingerprints can be used for identification. [0003] Fingerprint recognition is the earliest and most mature technology in the f...

AI Technical Summary

Problems solved by technology

[0006] ⑵The problem of pressing pressure. When the pressing pressure is too small, the foreground area of ​​the fingerprint is small, but if the pressing force is too high, the fingerprint will be distorted and deformed.

[0007] ⑶ The finger is placed sideways, and it is impossible to obtain enough information for subsequent fingerprint processing.

[0008] ⑷The characteristics of the fingerprint sensor itself may also affect the quality of the collected fingerprint images. For example, some CMOS sensors will generate background noise; although optical sensors can collect better quality images than COMS sensors, their collection time is longer and often As a result, the finger leaves the sensor before the sensor has collected the image, resulting in an incomplete fingerprint image and too little information

[0009] The fingerprint image problem caused by the above reasons greatly reduces the speed and accuracy of fingerprint identification

[0010] However, in the existing fingerprint identification methods or devices in this field, if the fingerprint cannot be identified, the user cannot perceive the problem of the image and adjust the finger purposefully, and can only randomly adjust it inefficiently by guessing.

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