Color-coated sheet quality map generation method and device

The invention discloses a color-coated sheet quality map generation method and device, and relates to the technical field of color-coated sheet quality detection.The method comprises the steps that detection data for at least one color-coated sheet is received from a lower computer system; detecting whether each color-coated sheet has a surface defect based on the color-coated sheet image; determining defect image attributes of a target color-coated sheet image corresponding to the target color-coated sheet under the condition of detecting that the target color-coated sheet with the surface defect exists; determining a defective color-coated sheet identifier corresponding to the target color-coated sheet according to the advancing distance of the color-coated sheet and the color-coated sheet roll dividing signal; and generating a quality map for the target color-coated sheet according to the defect image attribute, the defect color-coated sheet identifier and the target color-coated sheet image. Therefore, au