Biometric authentication apparatus, biometric authentication method, and program
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United States of America Patent
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Sep 9, 2014
Grant Date -
Aug 4, 2011
app pub date -
Jan 21, 2011
filing date -
Jan 29, 2010
priority date (Note) -
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Abstract
There is provided a biometric authentication apparatus including a vein image extraction unit for extracting a vein image showing positions of veins from an image including veins in a finger portion, a vein image dividing unit for dividing the extracted vein image into a plurality of partial regions, a vein pixel counting unit for counting the number of pixels corresponding to the veins in each of the divided partial regions, a vector generation unit for arranging, in a predetermined order, count results of the respective partial regions, and generating a vein distribution vector, which is a numerical sequence representing a degree of distribution of the veins in the vein image, and an authentication unit for authenticating the vein distribution vector generated by the vector generation unit, based on a registered vein distribution vector, which is a vein distribution vector registered in advance.
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