Abstract Aiming at the problem of "crystallization" on the surface of Yuan blue and white ceramics. which causes reflections and loss of image texture. an image processing method is proposed to repair the image texture information. A multi-scale Retinex pre-processing method is proposed to enhance the contrast between the pattern and the background. https://www.jmannino.com/quick-save-Canon-imageCLASS-MF227dw-Monochrome-Multifunction-Laser-Printer-great-choice/