Method for detecting living body fingerprint based on thin plate spline deformation model
A thin plate spline, living fingerprint technology, applied in character and pattern recognition, instruments, computer parts and other directions, can solve problems such as difficult to popularize, lack of real-time performance, and increase the cost of fingerprint identification systems, and achieve the effect of ensuring accuracy
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[0099] In order to evaluate the living fingerprint detection method of the present invention, 120 fake fingerprints were made, and the material was silicone resin AL20; at the same time, real fingerprints of corresponding fingers were also collected. A test library including 120 real fingerprints and 120 fake fingerprints was established. Figure 4 shows the process of making fake fingerprints, Figure 4a For the fake fingerprint mold (material is plaster), Figure 4b for the corresponding fake finger, Figure 4c is the collected fake fingerprint image.
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