Fingerprint matching method and device thereof
A matching method and fingerprint technology, which is applied in character and pattern recognition, instruments, computer parts, etc., can solve the problems of high complexity and time-consuming matching of large-capacity fingerprints, and achieve the effect of reducing fingerprint matching time and narrowing the scope
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[0035] 100. Rotate the on-site fingerprints successively around the center point of the on-site fingerprints according to preset angles to obtain multiple on-site rotated fingerprints.
[0036] In this embodiment, the on-site rotation fingerprint includes the initial on-site fingerprint and each on-site rotation fingerprint after the on-site fingerprint is rotated, and the collected on-site fingerprint is rotated according to a preset angle to obtain multiple on-site rotation fingerprints.
[0037] Specifically, the above-mentioned on-site fingerprints are rotated successively according to preset angles to obtain multiple on-site rotated fingerprints, including: rotating the on-site fingerprints clockwise and counterclockwise respectively according to preset angles Y times sequentially to obtain 2*Y +1 for live spin fingerprints.
[0038] Usually, when rotating the on-site fingerprint, the preset rotation angle can be determined according to the range of the direction differen...
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