Rate-Distortion Based Video Compression

Name: Rate-Distortion Based Video Compression
Brand: Springer
SKU: 9780792398509
Price: 157.54 EUR
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Optimal Video Frame Compression and Object Boundary Encoding

Автор: Guido M. Schuster, Aggelos Katsaggelos

Език:

Корици: С твърди корици

Издател: Springer

Наличност: Външен склад

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157.54 € 308.11 лв

One of the most intriguing problems in video processing is the removal of the redundancy or the comp...

Информация за книгата

Автор

Guido M. Schuster, Aggelos Katsaggelos

Език

Английски език

Корици

Книга - С твърди корици

Издадена

1996

страници

288

EAN

9780792398509

ISBN

0792398505

Enbook ID

02705471

Издател

Springer

Теглоt

1360

Размери

155 x 235 x 21

Пълно описание

One of the most intriguing problems in video processing is the removal of the redundancy or the compression of a video signal. There are a large number of applications which depend on video compression. Data compression represents the enabling technology behind the multimedia and digital television revolution. In motion compensated lossy video compression the original video sequence is first split into three new sources of information, segmentation, motion and residual error. These three information sources are then quantized, leading to a reduced rate for their representation but also to a distorted reconstructed video sequence. After the decomposition of the original source into segmentation, mo tion and residual error information is decided, the key remaining problem is the allocation of the available bits into these three sources of information. In this monograph a theory is developed which provides a solution to this fundamental bit allocation problem. It can be applied to all quad-tree-based motion com pensated video coders which use a first order differential pulse code modulation (DPCM) scheme for the encoding of the displacement vector field (DVF) and a block-based transform scheme for the encoding of the displaced frame differ ence (DFD). An optimal motion estimator which results in the smallest DFD energy for a given bit rate for the encoding of the DVF is also a result of this theory. Such a motion estimator is used to formulate a motion compensated interpolation scheme which incorporates a global smoothness constraint for the DVF.

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Rate-Distortion Based Video Compression

Optimal Video Frame Compression and Object Boundary Encoding

Информация за книгата

Пълно описание

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