在MATLAB中求图像纹理特征，一种噪声辅助数据分析方法,抑制载波型差分相位调制，利用自然梯度算法，ICA（主分量分析）算法和程序。- In the MATLAB image texture feature, A noise auxiliary data analysis method, Suppressed carrier type differential phase modulation, Use of natural gradient algorithm, ICA (Principal Component Analysis) algorithm and procedures.