CPC H04N 23/64 (2023.01) [G06T 7/70 (2017.01); H04N 23/56 (2023.01); H04N 23/635 (2023.01); H04N 23/80 (2023.01)] | 21 Claims |
1. A collation device comprising:
a light source unit;
a camera unit that receives light emitted from the light source unit and reflected in a collation area of an object to acquire a photographed image of the collation area; and
a processor configured to, by executing a program:
detect a bright spot portion of the light emitted from the light source unit from the photographed image obtained from the camera unit;
detect a distance between the light source unit and the camera unit by using a position of the bright spot portion from the photographed image;
detect a positional relationship between among the light source unit, the camera unit, and the collation area in the photographed image according to the distance between the light source unit and the camera unit; and
notify of a collation result between the photographed image and a registered image prepared in advance by using the positional relationship.
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