包含了多种常用的数字图像处理方法的实现代码，图像镜像、平移、旋转、缩放，高斯滤波、拉普拉斯锐化、中值滤波、二值变换、阈值变换、傅立叶变换、离散余弦变换等-contains a variety of commonly used digital image processing methods to achieve code, mirror images, translation, rotation, zoom, Gaussian filtering, Laplacian sharpening, f