ICA can be used in brain activation studies to reduce the number of dimension and filter out independent and interesting activations. This demonstration shows two studies. One provided by Hvidovre Universitets Hospital, Denmark, that consists of fMRI

一个关于主成分分析的matlab演示，十分有用-A principal component analysis on matlab demo, very useful

Wavelet based Image Reconstruction Gradient Data Fast morphological reconstruction of large logical masks. Kernel PCA and Pre-Image Reconstruction Reconstruction of image projections by Algebraic Reconstruction Technique Image Reconstruction