Direction of IC curd being direction inspection manner of IC curd which includes the decision possible criterion section

摘要

PPROBLEM TO BE SOLVED: To provide an IC card direction inspecting method which easily inspects a direction of an IC card. PSOLUTION: The IC card direction inspecting method for inspecting the direction of the IC card including a determination reference part inside the card based on photographed patterns has; a process in which the IC card is irradiated with near-infrared light whose transmissivity is higher in the basic material of the IC card than in the determination reference part; a process in which the IC card is photographed, from a direction opposite to the direction in which the IC card is irradiated with the near-infrared light, by using a camera having sensitivity to a near-infrared area; and a process in which a storage means, storing the patterns of the determination reference part and the directions of the IC card in association with each other, is referred to, and the direction of the IC card is determined based on the pattern of the determination reference part in the photographed images. PCOPYRIGHT: (C)2008,JPO&INPIT