文件中的程序都是图像处理的相关程序包括图像类型的转换，中值滤波法图像去噪处理，光照不均匀校正处理，反锐化掩模法图像增强，二值化处理，边缘检测，形态学运算，最小二乘法，图像颜色信息提取及变换提取关键点等等(The program is related to the program of image processing including image type conversion, median filtering method of image denoising, non-uniform illumination correction, unsharp masking image enhancement, binarization, edge detection, mathematical morphology, least squares method, image color information extraction and transform to extract key points and so on)