非MATLAB库函数实现空域去噪（包括“3x3均值滤波”、“5x5均值滤波”、“3x3中值滤波” 、“5x5中值滤波”）和空域加强（包括“拉普拉斯算子”、“Roberts算子”、“Prewitt算子”、“Sobel算子）的原创MATLAB代码。-Non-MATLAB library functions the airspace denoising (including the 3x3 mean filter, 5x5 mean filter, 3x3 median filter " , to strengthen the value 5x5 in the filter" ) and airspace (including the " Laplacian"　" Roberts operator, Prewitt operator, Sobel operator a) the original MATLAB code.