改代码包含了图像的几何变换，平移旋转，灰度变换，二值化，直方图均衡，图像空域增强，图像频域增强，图像形态学，图像分割，手写数字识别，边界跟踪，区域增长，腐蚀膨胀，低通滤波器，小波变换，直方图分段线性拉伸等等的功能。-Change the code contains images of geometric transformation, translation rotation, gray level transformation, binarization, histogram equaliza