Biometric information obtaining apparatus and biometric...

Details Biometric information obtaining apparatus and biometric... Biometric information obtaining apparatus and biometric...

2004-12-22

2009-12-01

Werner, Brian P (Department: 2624)

Image analysis

Applications

Personnel identification

C382S284000, C345S629000

Reexamination Certificate

active

07627150

ABSTRACT:
The object is to obtain undistorted images in high speed using a small amount of memory capacity, to realize high-quality characteristic information verification. The apparatus, which obtains information needed for user verification from partial images that are successively captured by a sweep-type fingerprint sensor from a fingertip, includes image obtaining means which captures successive partial images of biometric information; characteristic extracting means which obtains, from the captured partial images, characteristics and positions of the characteristics; detecting means which detects relative position information of partial images based on characteristics contained in a region in which the partial images overlap; and correcting means which calculates the amount of distortion of the characteristics based on the detected relative position information and on the positions of the characteristics in each partial image, and which corrects the positions of the characteristics in each individual partial image based on the calculated distortion amount.

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