| 摘要 |
PURPOSE:To improve the precision and facilitate the operation, by providing a distance detecting mechanism consisting of a color pattern projecting device, a color reading device, and a displacement detecting device to correct the picture signal of an image pickup device. CONSTITUTION:A color pattern projecting device 41 projects a pattern due to the spectroscope incorporating colors onto an object face, and an image pickup device 2 and a color reading device 42 are started synchronously with each other periodically. The image pickup device 2 stores input data in a picture memory 45 temporarily. The reading device 42 reads the pattern of the projecting device 41, and a displacement detecting device 43 calculates the distane from the object face 4 on a absis of this pattern and sends it to a warning device 44 and a correcting circuit 46. The warning device 44 issues warning when the distance exceeds an allowable range, and the correcting circuit 46 corrects the input picture on the memory 45 in accordance with the detected distance, and the result is transferred to a computer through a transfer device 3. |
