Patent Document ID: 9747496
Application ID: 14103118
Patent Status: 1

Claim One:
1. An image processing device comprising: a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute: obtaining a first image and a second image; determining a first direction on basis of a relative position between a center of a first head region and a center of a first body region of a user included in the first image and a second direction on basis of a relative position between a center of a second head region and a center of a second body region of the user included in the second image; extracting a first feature quantity from the first body region and a second feature quantity from the second body region; generating a third feature quantity from the first feature quantity or a fourth feature quantity from the second feature quantity on basis of the first direction and the second direction; and authenticating the user on basis of similarity between the first feature quantity or the third feature quantity and the second feature quantity or the fourth feature quantity.