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Various source coding theorems exist to substantiate this. At this point, we have covered all fundamental results that are relevant to source coding. Before we discuss some specific source coding schemes, there are several issues that deserve more careful consideration....
The entropy function can be justified by its role in source compaction coding theorems, by its role in combinatorics, and by its intuitive properties as a measure of uncertainty. These properties are as follows: 1. The entropy function is continuous in p. This is a reasonable property, since...
In current distributed video coding (DVC), interpolation is performed at the decoder and the interpolated pixels are reconstructed by using error-correcting codes, such as Turbo codes and LDPC. There are two possibilities for downsampling video sequences at the encoder: temporally or spatially. Trad...
Wyner-Ziv is an emerging video coding paradigm based on the Slepian-Wolf and Wyner-Ziv theorems where video coding may be performed by exploiting the temporal correlation at the decoder and not anymore at the encoder as in conventional video coding. This
More recently, a new coding paradigm, referred to as Distributed Source Coding (DSC), has emerged based on two Information Theory theorems from the seventies: Slepian-Wolf (SW) [2] and Wyner-Ziv (WZ) [3]. Basically, the SW theorem states that for lossless coding of two or more correlate...
More recently, a new coding paradigm, referred to as Distributed Source Coding (DSC), has emerged based on two Information Theory theorems from the seventies: Slepian-Wolf (SW) [2] and Wyner-Ziv (WZ) [3]. Basically, the SW theorem states that for lossless coding of two or 2 EURASIP ...
Distributed video coding (DVC) is a relatively new video coding architecture originated from two fundamental theorems namely, Slepian–Wolf and Wyner–Ziv. Recent research developments have made DVC attractive for applications in the emerging domain of wireless video sensor networks (WVSNs). This paper...
(DVC)–isanewvideocodingparadigmbasedon twomajorInformationTheoryresults:theSlepian-Wolfand Wyner-Zivtheorems.Recently,practicalWZvideocodingsolutions wereproposedwithpromisingresults.Manyofthesolutionsavail- ableintheliteraturemakeuseofafeedbackchannel(FC)toper- formratecontrolatthedecoder.Inthiscontext,thispaper...
order to generate intermediate data, wherein the nested lattice quantization is based on a fine lattice and a coarse sublattice of the fine lattice; and a means for encoding the intermediate data using one or more turbo codes in order to generate compressed output data representing the input ...