一套很好用的图像处理程序集，包括剪切、缩放、旋转和镜像的理论与实现，以及灰度化、假彩色与伪彩色处理、颜色分离与滤色、颜色调整、亮度对比度调整、颜色量化与减色和抖动的编程技术。-With a good set of image processing procedures, including shearing, scaling, rotation and mirroring of theory and implementation, as well as grayscale and pseudo-