Patent ID: 11935328
Assignee: NEC CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  A  H | IPC G  H

Claim 8:
9. An image pick-up method comprising:
performing, by a processor, image pick-up of an iris of a moving subject by using three or more first iris image pick-up cameras having a focusing point at a predetermined position and configured to perform image pick-up of mutually different regions in a vertical direction; and
performing, by the processor, the image pick-up of the iris of the subject by using two or more second iris image pick-up cameras having a focusing point at a position closer to the first iris image pick-up cameras than the predetermined position, a distance between the focusing point of the first iris image pick-up cameras and the focusing point of the second iris image pick-up cameras being shorter than a distance that a person moves at a predetermined moving speed related to a moving speed of the person during a blink interval time related to a time interval between human blinks and longer than a distance that the person moves at the predetermined moving speed during a predetermined time related to a duration of a blink, wherein
each of the two or more of the second iris image pick-up cameras is disposed between two adjacent first iris image pick-up cameras.