| 摘要 |
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.
|
