@inproceedings{paperid:1023842, author = {Arian Maleki and Rajaei, Boshra and Pourreza, Hamid Reza}, title = {Rate-distortion improvement of directional wavelets by megablocking}, booktitle = {IEEE Int Conf. on Acoustics, Speech and Signal Processing (ICASSP2011)}, year = {2011}, location = {Prague}, keywords = {Rate-distortion; quadtree; wavelet transforms; image coding; directional transforms.}, }