一维数字图像的滤波处理，包括中值滤波， 膨胀，腐蚀，开运算，闭运算和基于一次插值操作的求包络线算法。-one-dimensional digital image filtering, including filtering, expansion, corrosion, opened operations Based on the closing operation and an interpolation operation for the DEA algorithm.

完成图像的灰度变换，正交变换，空域频域滤波，边缘检测，膨胀腐蚀，小波变换，水印，以及各种编码。-completion of the gray image transform, orthogonal transformation airspace frequency domain filtering, edge detection, corrosion expansion, wavelet transform, watermarks, and the various coding.