| 摘要 |
An image measuring apparatus includes: an imaging device of a rolling shutter type configured to image a work; a position control system configured to output a focusing position as information representing a position in a direction of a focusing axis by controlling an in-focus position of the imaging device; and a computing device configured to calculate, from image information acquired from the imaging device, contrast information corresponding to the image information, wherein the computing device divides an acquired image into a plurality of regions and corrects the contrast information corresponding to the image information based on a position of and the contrast information corresponding to each of the regions. |
