图像柔化操作是相对于图像锐化的一种操作，图像柔化就是将图像的亮度减少，颜色鲜艳度减弱，进而使图像更接近真实的效果-Images are compared to soften the operation of an operating image sharpening, image blur is to reduce the image brightness, color brightness weakened, and thus make it more realistic image of t