Earticle

During laser triangulation measurement, CCD image sensor is used to detect the laser spot with the measured information. Resolution and pixel size of CCD, directly affect the precision of laser scanning measurement. Based on the analysis of the gray centroid algorithm, the improvement gray centroid algorithm is proposed. By using the algorithm to solve the CCD location subdivision, the corresponding relationship between the spot position and the pixel is confirmed. The realization of the acquisition enhances the resolution through the segmentation, and the accuracy of laser triangulation measurement is improved.