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Showing 2007 · cs.ITShow all
3 papers · 2 filters
cs.IT2007
Achieving the Gaussian Rate-Distortion Function by Prediction
Ram Zamir, Yuval Kochman, Uri Erez
The "water-filling" solution for the quadratic rate-distortion function of a stationary Gaussian source is given in terms of its power spectrum. This formula naturally lends itself…
cs.IT2007
Multiple-Description Coding by Dithered Delta-Sigma Quantization
Jan Ostergaard, Ram Zamir
We address the connection between the multiple-description (MD) problem and Delta-Sigma quantization. The inherent redundancy due to oversampling in Delta-Sigma quantization, and t…
cs.IT2007★ 1 cited
Low Density Lattice Codes
Naftali Sommer, Meir Feder, Ofir Shalvi
Low density lattice codes (LDLC) are novel lattice codes that can be decoded efficiently and approach the capacity of the additive white Gaussian noise (AWGN) channel. In LDLC a co…