| 摘要 |
PROBLEM TO BE SOLVED: To provide a marker capable of simultaneously satisfying the function of discriminating a matter to be managed, the function of detecting illuminance condition in photographing, and the function of detecting the three-dimensional relative position of the matter to be managed. SOLUTION: This information discriminating marker 1, which is to be attached to the matter to be managed 4, comprises colored marks 2a, 2b, 2c and 2d arranged in four corners of a square within a monochromatic background color on a plane, and an icon 3 written in a display area 2 formed by connecting the outermost edges of the marks 2a, 2b, 2c and 3d at the four corners as a character, pattern or combination thereof allowing a person to understand a data for specifying the matter to be managed 4 as it is. |
