Algorithms for Transform Selection in Multiple-Transform Video Compression

With a proper transform, an image or motion-compensated residual can be represented quite accurately with a small fraction of the transform coefficients. This is referred to as the energy compaction property. When multiple transforms are used, selecting the best transform for each block that leads t...

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Vydáno v:	IEEE transactions on image processing Ročník 22; číslo 12; s. 5395 - 5407
Hlavní autoři:	Xun Cai, Lim, Jae S.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.12.2013 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms Applied sciences Coding, codes Compaction Data compression Detection, estimation, filtering, equalization, prediction Discrete cosine transforms energy compaction Energy measurement Entropy coding Exact sciences and technology Image processing Information, signal and communications theory iterative algorithms optimization Quantization (signal) Signal and communications theory Signal processing Signal, noise Telecommunications and information theory Transforms Video compression Video coding Performance evaluation Image processing Data compression Transforms Iterative method Image compression Two dimensional model Compaction Algorithm Optimization Video signal processing Image coding Algorithm performance energy compaction Residual impurity Optimal solution One dimensional model Signal processing Motion compensation Discrete cosine transforms iterative algorithms
ISSN:	1057-7149, 1941-0042, 1941-0042
On-line přístup:	Získat plný text
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