Collation device and non-transitory computer readable medium storing program

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;
• a display unit;
• and
• a processor configured to, by executing a program:
• detect a distance between the light source unit and the camera unit by using the photographed image;
• display a guide providing an instruction for a positional relationship among the light source unit, the camera unit, and the collation area in the photographed image on the display unit according to the distance between the light source and the camera unit;
• and
• notify of a collation result between a registered image prepared in advance in the same positional relationship as the positional relationship as instructed by the guide and the photographed image photographed in accordance with the guide.

A non-transitory computer readable medium storing a program causing a computer processor to execute a process comprising:

• receiving light emitted from a light source unit and reflected in a collation area of an object by a camera unit to acquire a photographed image of the collation area;
• detecting a bright spot portion of the light emitted from the light source unit from the photographed image obtained from the camera unit;
• detecting a distance between the light source unit and the camera unit by using a position of the bright spot portion from the photographed image;
• detecting a positional relationship among the light source unit, the camera unit, and the collation area in the photographed image according to the distance between the light source and the camera unit;
• and
• notifying of a collation result between the photographed image and a registered image prepared in advance by using the positional relationship.

A non-transitory computer readable medium storing a program causing a computer processor to execute a process comprising:

• receiving light emitted from a light source unit and reflected in a collation area of an object by a camera unit to acquire a photographed image of the collation area;
• detecting a distance between the light source unit and the camera unit by using the photographed image;
• displaying a guide providing an instruction for a positional relationship among the light source unit, the camera unit, and the collation area in the photographed image on a display unit according to the distance between the light source and the camera unit;
• and
• notifying of a collation result between a registered image prepared in advance in the same positional relationship as the positional relationship as instructed by the guide and
• the photographed image photographed in accordance with the guide.