Personal identification device and method

Details Personal identification device and method Personal identification device and method

2007-10-09

2007-10-09

Mehta, Bhavesh M (Department: 2624)

Image analysis

Applications

Personnel identification

C382S132000, C382S180000, C382S190000, C382S209000, C382S224000, C340S005530, C340S005830, C356S071000

Reexamination Certificate

active

11208534

ABSTRACT:
The invention aims at providing personal identification in environments where non-contact is required, with high accuracy even though using a finger vein pattern images unclear and susceptible to positional deviations, wherein it has: a means for acquiring finger vein patterns without contact; a means for carrying out rotational correction using the outline of a finger as a method of taking out a vein pattern contained in the acquired image; a means for normalizing the position of the finger image with reference to the fingertip; a means for acquiring an overall vein pattern statistically by repetitively tracking regions of dark luminance intensities for a desired length from a desired position in the image; a matching means for comparing regions where vein patterns manifest vivid features; and a means for independent matching of subregions and evaluating positional deviations where matching is recognized.

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