Processing apparatus and method for performing personal authentication using camera image, collating collation information with reference person information, and non-transitory storage medium

A processing method comprising,

• by at least one computer:
• acquiring collation information including a camera image being an image of a collation-target person generated by a camera, or an image being restored from the camera image and representing a three-dimensional shape of a person;
• collating the collation information with reference person information including an image being restored from a camera image and representing a three-dimensional shape of each of a plurality of reference persons;
• and
• executing processing depending on a result of the collation,
• wherein
• the image being restored from the camera image and representing a three-dimensional shape of each of the plurality of reference persons is registered in advance in a database for personal authentication, and
• the camera image of each of the plurality of reference persons is not registered in the database.

A non-transitory storage medium storing a program causing a computer to:

• acquire collation information including a camera image being an image of a collation-target person generated by a camera, or an image being restored from the camera image and representing a three-dimensional shape of a person;
• collate the collation information with reference person information including an image being restored from a camera image and representing a three-dimensional shape of each of a plurality of reference persons;
• and
• execute processing depending on a result of the collation,
• wherein
• the image being restored from the camera image and representing a three-dimensional shape of each of the plurality of reference persons is registered in advance in a database for personal authentication, and
• the camera image of each of the plurality of reference persons is not registered in the database.