Personal authentication apparatus and control method

A method of controlling a personal authentication apparatus, comprising:

• capturing an eyeball image;
• obtaining brightness information of the captured eyeball image, and generating divided eyeball images by dividing a region of the eyeball image based on the brightness information of the eyeball image;
• storing brightness information of the divided eyeball images and position information of the divided eyeball images in relation to the eyeball image in association with each other;
• and
• executing different types of learning processing respectively for the divided eyeball images in accordance with the brightness information and the position information of the divided eyeball images.

A non-transitory computer-readable storage medium storing a program for causing a computer to function as each unit of a personal authentication apparatus comprising a first image capture unit configured to capture an eyeball image;

• a first image processing unit configured to obtain brightness information of the eyeball image captured by the first image capture unit, and generate divided eyeball images by dividing a region of the eyeball image based on the brightness information of the eyeball image;
• a first storage unit configured to store brightness information of the divided eyeball images and position information of the divided eyeball images in relation to the eyeball image in association with each other;
• and
• a learning unit configured to execute different types of learning processing respectively for the divided eyeball images in accordance with the brightness information and the position information of the divided eyeball images.