@inproceedings{pattichis1996fm, title={AM-FM expansions for images}, author={Pattichis, M. and Bovik, A.}, booktitle={Proc. European Signal Processing Conf.}, pages={10--13}, year={1996}, url={http://ece.unm.edu/ivpcl/Publications/1996/AM-FM%20Expansions%20for%20Images.pdf} }