Title :
Efficient 3D wavelet transform decomposition for video compression
Author :
Moyano, E. ; Quiles, F.J. ; Garrido, A. ; Orozco-Barbosa, L. ; Duato, J.
Author_Institution :
Dept. de Inf., Univ. de Castilla La Mancha, Albacete, Spain
Abstract :
We present an efficient three-dimensional wavelet transform (3D-WT) algorithm for video compression. This algorithm performs the temporal decomposition of a video sequence in a more efficient way than the classical 3D-WT algorithm. We have conducted a set of experimental evaluations of the proposed algorithm using various video sequences. Experimental results show that our algorithm exhibits lower memory demands and lower latencies for the compression and decompression processes than the classical algorithm at the same compression ratio
Keywords :
data compression; image sequences; transform coding; video coding; wavelet transforms; 3D wavelet transform; 3D-WT; decompression; latencies; memory demands; temporal decomposition; three-dimensional wavelet transform; video compression; video sequences; Delay; Discrete wavelet transforms; Filter bank; Image coding; Motion compensation; Signal analysis; Signal resolution; Video compression; Video sequences; Wavelet transforms;
Conference_Titel :
Digital and Computational Video, 2001. Proceedings. Second International Workshop on
Conference_Location :
Tampa, FL
Print_ISBN :
0-7695-1110-4
DOI :
10.1109/DCV.2001.929950