Patent ID: 8275174

Claim:
A vein pattern management system for registering and authenticating a vein pattern acquired by radiating light to a portion of a living body, comprising: an imaging unit for capturing an image of a body surface of the portion of the living body with near-infrared light while changing a magnification, and generating multiple pieces of near-infrared light imaging data having different magnifications; a vein pattern extraction unit for extracting multiple vein patterns corresponding to each of the multiple pieces of the near-infrared light imaging data from each of the multiple pieces of the near-infrared light imaging data; a fractal dimension calculation unit for calculating a fractal dimension corresponding to each of the vein patterns for the extracted multiple vein patterns; a pseudo-vein pattern determination unit for determining presence of a pseudo-vein pattern intentionally formed on a part of the captured body surface based on the calculated fractal dimension; a vein pattern registration unit for registering the near-infrared light vein pattern based on a determination result from the determination unit to generate a registered vein pattern; and a vein pattern authentication unit for comparing a newly generated near-infrared light vein pattern with the registered vein pattern based on the determination result from the pseudo-vein pattern determination unit and authenticating the newly generated near-infrared vein pattern.