Unsharpen an image - used to sharpen an image. Sharpening emphasizes texture and detail, and is critical when post-processing most digital images. An unsharp mask cannot create additional detail, but it can greatly enhance the appearance of d

生成一个掩模，用于图像处理，亲测可用，放心下载。(Create a mask, for image processing, pro - Measurement available, easy to download.)