Method for extracting the center stripe of line structured light based on the improved gray gravity method

Extraction of the line structured light center in the online structured light visual measurement system is a key technology, and its purpose is to accurately extract the strip at the center of the line structured light in the image. This is crucial for subsequent measurement and analysis. However, traditional methods (such as the gray center of gravity method and Steger algorithm) may not be able to extract effective laser light strips quickly and accurately when processing a large number of pixels. In order to solve this problem, this paper proposes an improved line structured light center extraction method based on the gray center of gravity method. This method first uses the neighborhood threshold method to identify the light strip area in the selected area, and then conducts in-depth analysis through the gray center of gravity method, and finally extracts the specified image coordinates to obtain complete information of the laser light strip. The experimental data indicates that this method can effectively enhance the efficiency of light strip extraction.