Title :
Fast 2D Walsh transform for the truecolor image compression algorithm
Author :
Karagodin, M.A. ; Burkatovskaya, J.B. ; Osokin, A.N.
Author_Institution :
Dept. of Comput. Eng., Tomsk Politechnic Univ., Russia
fDate :
26 June-2 July 2005
Abstract :
Authors suggest the new method of 2D Walsh transform calculation. This makes the image compression algorithm orthogonal transform stage more fast and easy. This method increases the Walsh-based image compression algorithm speed by 30% for compression and by 60% for decompression.
Keywords :
Walsh functions; data compression; image coding; image colour analysis; transform coding; 2D Walsh transform; image coding; image decompression; orthogonal transform; truecolor image compression; Compression algorithms; Discrete cosine transforms; Discrete transforms; Error correction; Error correction codes; Image coding; Matrix decomposition; Optimization methods; Region 8; Sparse matrices;
Conference_Titel :
Science and Technology, 2005. KORUS 2005. Proceedings. The 9th Russian-Korean International Symposium on
Print_ISBN :
0-7803-8943-3
DOI :
10.1109/KORUS.2005.1507803
