| 摘要 |
PURPOSE:To detect the defect of the configuration of a cubic body readily by a simple constitution and a processing method, by lighting the cubic body from an oblique upper part, detecting movement of a shade caused by the rotation of lighting direction, and performing an operating process. CONSTITUTION:A cubic body 6 is lighted from an oblique upper part by the light from a light source 4 through a mirror 1, which is rotated by a rotary device 2, and a fixed mirror 3. The shade of the cubic body 6 is picked up by an ITV camera 7. Its output is stored in image memories 10 and 13 through a binary coding circuit 9. An operation processing part 12 performs the OR or AND processing of the movement of the shade, which is caused by the rotation of the lighting direction at the timing of input signals based on the data in the memories 10 and 13, and detects the defect of the configuration of the cubic body 6. In this simple constitution and the processing method, the defect of the cubic body can be readily detected. |
