| http://www.w3.org/ns/prov#value | - Then, the authentication apparatus 300 (300 1, 300 2, . . . , or 300 n) determines whether a person to be authenticated is a registrant or not based on the similarity (cross-correlation coefficient, etc.) between the shape of veins included in the vein image (pattern image) to be authenticated whose aspect ratio has been changed and shape of veins included in the registration vein pattern whose as
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