DocumentCode
2707421
Title
MINMAX bit allocation for quantization-based video coders
Author
Shavit, Gidon ; Ladner, Richard E. ; Riskin, Eve A.
Author_Institution
Dept. of Comput. Sci. & Eng., Univ. of Washington, Seattle, WA, USA
fYear
2005
fDate
29-31 March 2005
Firstpage
299
Lastpage
308
Abstract
Ringenburg et al. (2004) developed MultiStage, a bit-allocation algorithm for embedded video coders, that generates near-constant quality sequences. In this work, we show how the algorithm can be applied to quantization-based coders, and implement it for H.263. We also describe a novel approach for block-level bit allocation for H.263, cast as a variation on the multiple-choice knapsack problem, and show how to solve it efficiently with dynamic programming. Our results show that very stable quality can be achieved using relatively few coding iterations, with very little sacrifice in mean distortion.
Keywords
code standards; data compression; dynamic programming; embedded systems; image sequences; iterative methods; knapsack problems; minimax techniques; rate distortion theory; video codecs; video coding; H.263; MINMAX bit allocation; MultiStage; block-level bit allocation; coding iterations; dynamic programming; embedded video coders; mean distortion; multiple-choice knapsack problem; near-constant quality sequences; quantization-based video coders; Bit rate; Code standards; Computer science; Constraint optimization; Distortion measurement; Dynamic programming; Lagrangian functions; Minimax techniques; Rate distortion theory; Video compression;
fLanguage
English
Publisher
ieee
Conference_Titel
Data Compression Conference, 2005. Proceedings. DCC 2005
ISSN
1068-0314
Print_ISBN
0-7695-2309-9
Type
conf
DOI
10.1109/DCC.2005.53
Filename
1402191
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