PUPIL FEATURE AMOUNT EXTRACTION DEVICE, PUPIL FEATURE AMOUNT EXTRACTION METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide technique for extracting a feature amount about the size of a pupil which is hardly influenced by a physical relationship between a camera and an eyeball.;SOLUTION: A pupil feature amount extraction device includes: a pupil information acquisition unit for acquiring pupil information representing the size of a pupil of an object person from an image obtained by photographing an eyeball of the object person; an iris information acquisition unit for acquiring iris information representing the size of an iris of the object person from the image obtained by photographing the eyeball of the object person; and a pupil feature amount calculation unit for calculating a ratio between the pupil information and the iris information as a pupil feature amount.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2020,JPO&INPIT