对信号进行频谱分析及滤波，多元数据分析的主分量分析投影，中介真值程度度量，基于中介真值程度度量的图像分。- The signal spectral analysis and filtering, Principal component analysis of multivariate data analysis projection, The true extent of the value of the intermediary measure, measure the true extent of the agency based on the value of image segmentatio.