DocumentCode
3362312
Title
Variable block size wavelet video coding
Author
Silva, Vitor ; De Sá, Luís
Author_Institution
Dept. de Engenharia Electrotecnica, Coimbra Univ., Portugal
fYear
1994
fDate
25-28 Oct 1994
Firstpage
342
Lastpage
345
Abstract
A new and efficient video coding algorithm is described. It is based on the wavelet decomposition of video signals using orthonormal and biorthogonal filter banks. The motion compensated error images are represented by variable size blocks. To improve the coding efficiency and to minimize the border effects associated to the wavelet transform, a new quadtree based merging algorithm was developed. The results of two coding scenarios are discussed
Keywords
filtering theory; merging; motion compensation; quadtrees; transform coding; video coding; wavelet transforms; biorthogonal filter banks; border effects minimisation; coding efficiency; motion compensated error images; orthonormal filter banks; quadtree based merging algorithm; variable block size; video coding algorithm; video signals; wavelet decomposition; wavelet transform; Compaction; Filter bank; Image analysis; Image coding; Merging; Pixel; Prototypes; Quantization; Telecommunications; Video coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Time-Frequency and Time-Scale Analysis, 1994., Proceedings of the IEEE-SP International Symposium on
Conference_Location
Philadelphia, PA
Print_ISBN
0-7803-2127-8
Type
conf
DOI
10.1109/TFSA.1994.467223
Filename
467223
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