METHOD FOR CALCULATING AREA OF FINGERPRINT OVERLAPPING REGION AND ELECTRONIC DEVICE THEREOF
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United States of America Patent
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Jan 5, 2016
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Feb 13, 2015
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The present disclosure discloses method for calculating an area of a fingerprint overlapping region, including: collecting a to-be-matched fingerprint to obtain a to-be-matched fingerprint image; searching multiple pairs of matching characteristic points between the to-be-matched fingerprint image and a preset template fingerprint image; obtaining an image offset of the to-be-matched fingerprint image according to the multiple pairs of matching characteristic points; based on the image offset, adjusting a position of the to-be-matched fingerprint image to obtain an overlapping region between the to-be-matched fingerprint image and the preset template fingerprint image; and calculating a total number of image pixels within the overlapping region, and calculating an area of the overlapping region based on the total number of image pixels within the overlapping region.
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