基本的数字图像处理代码，包括灰度化，二制化，各种滤波（BOX均值，中值，高斯），镜像（水平，垂直），转置，平移，缩放，亮度化，还有直方图-Basic digital image processing code, including gray, and the second system, and various filtering (BOX Mean, median, Gaussian), mirroring (horizontal, vertical), transposition, pan,