Bozhan Zhechev. Invariant spaces and cosine transforms DCT - 2 and DCT - 6. In Kiril Boyanov, editor, Proceedings of the 5th International Conference on Computer Systems and Technologies, CompSysTech 2004, Rousse, Bulgaria, June 17-18, 2004. pages 1-6, ACM, 2004. [doi]
Abstract is missing.