Publications associées à Rate–distortion theory

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Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

We evaluate the information-theoretic achievable rates of Quantize-Map-and-Forward (QMF) relaying schemes over Gaussian

N

-relay diamond networks. Focusing on vector Gaussian quantization at the relays, our goal is to understand how close to the cutset up ...

2012

Distributed Successive Refinement of Multiview Images Using Broadcast Advantage

Martin Vetterli, Guillermo Barrenetxea Kobas, Zichong Chen

In environmental monitoring applications, having multiple cameras focus on common scenery increases robustness of the system. To save energy based on user demand, successive refinement image coding is important, as it allows us to progressively request bet ...

Institute of Electrical and Electronics Engineers2012

Perceptual Video Compression: A Survey

Touradj Ebrahimi, Jong Seok Lee

With the advances in understanding perceptual properties of the human visual system and constructing their computational models, efforts toward incorporating human perceptual mechanisms in video compression to achieve maximal perceptual quality have receiv ...

Ieee-Inst Electrical Electronics Engineers Inc2012

On Sampling and Coding for Distributed Acoustic Sensing

Martin Vetterli, Emre Telatar, Robert Konsbruck

The issue of how to efficiently represent the data collected by a network of microphones recording spatio-temporal acoustic wave fields is addressed. Each sensor node in the network samples the sound field, quantizes the samples and transmits the encoded s ...

2012

Progressive quantization in distributed average consensus

Pascal Frossard, Effrosyni Kokiopoulou

We consider the problem of distributed average consensus in a sensor network where sensors exchange quantized information with their neighbors. In particular, we exploit the increasing correlation between the exchanged values throughout the iterations of t ...

2012

Rate Distortion Behavior of Sparse Sources

Martin Vetterli

The rate distortion behavior of sparse memoryless sources is studied. These serve as models of sparse signal representations and facilitate the performance analysis of "sparsifying" transforms like the wavelet transform and nonlinear approximation schemes. ...

Institute of Electrical and Electronics Engineers2012

Kerr effect in structured superluminal media

Luc Thévenaz, Sang Hoon Chin, Andrey Denisov

A comprehensive overview is presented about optical fiber-based tunable photonic delay lines, which have been steadily developed over the last decade for the realization of all-optically controlled timing functions. The most widely used techniques, such as ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2012

Correlation-aware Resource Allocation in Multi-Cell Networks

Pascal Frossard, Dorna Bandari

We propose a cross-layer strategy for resource allocation between spatially correlated sources in the uplink of multi-cell FDMA networks. Our objective is to find the optimum power and channel allocation to the different sources, in order to minimize the m ...

Institute of Electrical and Electronics Engineers2012

Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

We evaluate the information-theoretic achievable rates of Quantize-Map-and-Forward (QMF) relaying schemes over Gaussian

N

-relay diamond networks. Focusing on vector Gaussian quantization at the relays, our goal is to understand how close to the cutset up ...

2012

Rate–distortion theory

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Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Distributed Compressed Representation of Correlated Image Sets

Distributed Successive Refinement of Multiview Images Using Broadcast Advantage

RD optimized auxiliary information for inpainting-based view synthesis

Perceptual Video Compression: A Survey

On Sampling and Coding for Distributed Acoustic Sensing

Progressive quantization in distributed average consensus

Rate Distortion Behavior of Sparse Sources

Kerr effect in structured superluminal media

Correlation-aware Resource Allocation in Multi-Cell Networks

RD optimized auxiliary information for inpainting-based view synthesis

Distributed Successive Refinement of Multiview Images Using Broadcast Advantage

Perceptual Video Compression: A Survey

Rate Distortion Behavior of Sparse Sources

Kerr effect in structured superluminal media

Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

On Sampling and Coding for Distributed Acoustic Sensing

Progressive quantization in distributed average consensus

Distributed Compressed Representation of Correlated Image Sets

Correlation-aware Resource Allocation in Multi-Cell Networks