| 摘要 |
<p>A visual displacement sensor comprising a laser diode (112) for projecting a line beam to an object to be measured at a predetermined angle, a two-dimensional CCD (122) for imaging the object to which the line beam is projected from a different angle, measurement object region setting means for setting one or more measurement object regions (K11, K12) in the field (Z) of the two-dimensional CCD, measurement point coordinate determining means for determining the coordinates (A7) of one or more measurement points included in a preset measurement object region on the basis of the image picked up by the two-dimensional CCD, displacement measuring means for measuring the objective displacement according to the coordinates of the determined measurement points.</p> |
