| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow photography of pattern images that are targeted when calibration of a photography device is performed to be easily carried out. <P>SOLUTION: In the calibration device 2, a pattern part 11 where an LED is fixed and supported to a bottom part of a light emitting part 12 and which forms a pattern image 17 on a diffuser 16 is integrally formed with a support body so as to close an opening of the support body with a surface on the side of a pattern image 17 outside. Multistage adjustment of brightness of LED is performed. When brightness of the LED determined according to the pattern image 17 photographed by the photography device is not within a preset range, control is performed so that the brightness is adjusted so as to be within the range and then photography is performed again by the photography device. <P>COPYRIGHT: (C)2013,JPO&INPIT |
