Target identification device, electronic device, target identification method, and storage medium

A target identification method using a display element configured to display a lock screen of restricting utilization of a camera and an imaging element that has an optical axis direction with deviation from an optical axis direction of the display element and captures an image of an eyeball of a user, the method comprising:

• controlling so that an indicator point is displayed at a predetermined position on the lock screen, the predetermined position being based on the optical axis direction of the imaging element, so as to guide a sight direction of the user toward the optical axis direction of the imaging element and to reduce a deviation between the optical axis direction of the imaging element and a direction of the eyeball viewing the display element;
• when an operation by the user for a predetermined operation member is performed after the indicator point is displayed in the lock screen, determining whether the user is a user of the camera registered in advance, based on a feature amount calculated from the image of the eyeball of the user captured by the imaging element;
• and
• when the user is determined to be the user of the camera registered in advance, enabling utilization of the camera.

A non-transitory computer-readable storage medium configured to store a computer program to control a camera having a display element configured to display a lock screen of restricting utilization of the camera and an imaging element that has an optical axis direction with deviation from an optical axis direction of the display element and captures an image of an eyeball of a user, the computer program comprising instructions for executing following processes of:

• controlling so that an indicator point is displayed at a predetermined position on the lock screen, the predetermined position being based on the optical axis direction of the imaging element, so as to guide a sight direction of the user toward the optical axis direction of the imaging element and to reduce a deviation between the optical axis direction of the imaging element and a direction of the eyeball viewing the display element;
• when an operation by the user for a predetermined operation member is performed after the indicator point is displayed in the lock screen, determining whether the user is a user of the camera registered in advance, based on a feature amount calculated from the image of the eyeball of the user captured by the imaging element;
• and
• when the user is determined to be the user of the camera registered in advance, enabling utilization of the camera.