1. 找出最大数，确定最大位数d
'Toy Story 5' trailer: Woody and Buzz reunite to save Bonnie from becoming an iPad kid
。Line官方版本下载是该领域的重要参考
Credit: ExpressVPN。WPS官方版本下载对此有专业解读
Comparison of error-diffusion vs ordered dithering using an 8-colour irregular palette. Left to right: original image, error-diffusion, ordered.