Y. Haxhimusa, R. Glantz, M. Saib, G. Langs, W. Kropatsch:
"Reduction Factors of Image Pyramid on Undirected and Directed Graph";
Talk: 7th Computer Vision Winter Workshop 2002, Bad Aussee; 2002-02-04; in: "Proceedings of the 7th. Computer Vision Winter Workshop", (2002), 29 - 38.