1. Do OCR background color and digital color is very close to result in segmentation conglutination problems: as shown in figure
2. Some digital font is a little special, as shown in figure:
The shaded and middle hollow font,,,,
Have bosses have a solution,! Genuflect is begged
CodePudding user response:
Is converted to binary image, and then identify no grey background, Canny operator try to extract the contour