Introduction - If you have any usage issues, please Google them yourself
first,cosatom,intend to construct a DCT dictionary
second,mymp,greedy algorithm-MP
third,myomp,greedy algorithm-OMP
forth,sparsecodeanddicupdata,intend to updating atoms
fifth,test2dictionary,test 3 given dictionary to compare
sixth,testMP,an example for useage of MP,OMP
last but not least,a useful book-Sparse and redundant representations_ From theory to applications in signal and image-Springer,the author is Michael Elad