对图像进行非下采样小波变换，得到一个低频子带和若干个高频子带。-Under the image of non-sampling wavelet transform, to get a low-frequency sub-band and a number of high-frequency sub-band.

基于非下采样小波变换的纹理图像特征提取程序-The sampling based on the wavelet transform of texture image feature extraction