The basic working principle of two-dimensional image measuring instrument is based on image processing and computer vision technology. Specifically, the secondary image measuring instrument collects the image of the measured object through a camera or a CCD camera. Then the measuring instrument processes the collected images, and extracts the shape, size, position and other information of the measured object through computer vision algorithm and image processing technology. These information are converted into electrical signals, which are processed by the computer, thus obtaining the precise shape of the surface of the object. Finally, the obtained surface shape information of the object is displayed on the display, so as to measure the surface shape of the object.
The advantage of two-dimensional image measuring instrument is that it can measure the precise shape of the surface of an object, with high measuring speed and precision, and can meet the requirements of most industrial applications.