Image processing of RGB images
cactuses

In this page we split an RGB image into R, G, and B grayscale images, process them and combine them to obtain a new processed RGB image. See rgb_imsplit_gbb3.m, rgb_svd_gbb3.m and rgb_db2_gbb3.m for the detail.

Reading RGB Image Splitting RGB into R, G and B
Low rank approximation
Multiresolution Decomposition (the Daubechies 2 wavelet)