Sharpness preserving image enlargement by using self-decomposed codebook and Mahalanobis distance.

Hideaki Kawano Noriaki Suetake Byungki Cha Takashi Aso Sharpness preserving image enlargement by using self-decomposed codebook and Mahalanobis distance. 684-693 2009 27 Image Vision Comput. 6 http://dx.doi.org/10.1016/j.imavis.2008.07.013 db/journals/ivc/ivc27.html#KawanoSCA09