| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of signal lines used in a lighting device for a photo-metric stereo.SOLUTION: A lighting device 3 has a plurality of LEDs arranged in an almost annular shape, and a lighting control part for lighting the plurality of LEDs. Particularly, the lighting device 3 has a storage part for storing a lighting pattern. The lighting device 3 lights one of the plurality of LEDs according to a lighting pattern specified by a control signal received from an image processor 5 through a signal line 8. |
