For feature extraction, signal de-noising, Using matlab to calculate the Mahalanobis distance for the image, Based on SVPWM three-level inverter matlab simulation.

Using weighted model nodes in the network strength and weight are power law distribution, Complete set content, basic hyperspectral image processing, Is a good learning materials to learn PCA feature extraction.

Based on multi-document image obtained combining technique, Matching Pursuit and orthogonal matching pursuit, For feature extraction, signal de-noising.