In the tile size detection system based on machine vision, there is more interference in the images collected by an above light source, and it＇s extremely unfavorable to locating tile comer fastly and accurately. Firstly, reference area of the comer is determined according to the tile shapes and positions of features in the images, and then the edge within the reference area is exactly searched, finally the comer is located. The experiments show that the method has abilities of high - speed, precision and anti - interference,...
