Patent ID: 11861943
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  A | IPC G

Claim 0:
1. An iris recognition apparatus comprising:
a light source configured to irradiate a target person to be recognized with light;
a camera;
one or more processors; and
a memory storing program code executable by the one or more processors to:
cause the camera to acquire a first image at a first imaging range, including at least a face of the target person, while the target person is irradiated with the light by the light source;
determine, based on the first image, an irradiation mode of the light for acquiring a second image at a second imaging range narrower than the first imaging range, including an eye of the target person;
cause the light source to irradiate the target person with the light according to the irradiation mode that has been determined; and
cause the camera to acquire the second image at the second imaging range, including at least the eye of the target person, while the target person is irradiated with the light by the light source according to the irradiation mode that has been determined,
wherein the irradiation mode of the light for acquiring the second image is set as equal to an irradiation mode of the light with which the target person was irradiated when the camera acquired the first image when no eyeglasses are detected within the first image.