Lossy Coding and Rate-Distortion
An Achievability Proof for the Lossy Coding of Markov Sources with Feed-Forward
... Abstract—The lossy source coding problem with feed-forward link was recently introduced in [1] and the corresponding rate- distortion function was derived in [2] and [3] for stationary and ...
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Lossy-Forward Relaying for Lossy Communications: Rate-Distortion and Outage Probability Analyses
... of lossy LF relaying, where distortion is allowed in the destination with the assis- tance of a LF ...i.e., lossy point-to-point communication for the S-R link, and the multiterminal source ...
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Unbalanced Multiple Description Video Coding with Rate Distortion Optimization
... frame rate is 30 fps and only the initial frame of the stream is ...for lossy conditions, MD coding method easily outper- forms the single-description (with no redundancy) method SD ...its ...
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Rate Distortion Optimized Graph Partitioning for Omnidirectional Image Coding
... such coding schemes involve inter- polation which makes the distortion control very ...GFT-based lossy compression scheme using this partitioning and compare its performance to the classical ...
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Rate-distortion bounds for Wyner-Ziv coding with Gaussian scale mixture correlation noise
... noise, rate-distortion bounds, ...to lossy compression of a source, when a correlated side information is available at the decoder, but not at the encoder ...quadratic distortion measure the ...
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End-to-End Rate-Distortion Optimized MD Mode Selection for Multiple Description Video Coding
... (b) Carphone sequence. presented here is able to accurately predict the distortion ex- perienced at the decoder taking into account both bursty packet losses and the use of multiple paths. This allows the encoder ...
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Lossy Source Coding with Gaussian or Erased Side-Information
... conditional rate-distortion functions are equal for discrete sources with erased side- information 1 ...conditional rate-distortion problem, there is a continuum of optimal strategies for both ...
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General Embedded Quantization for Wavelet-Based Lossy Image Coding
... V. E XPERIMENTAL RESULTS The practical GEQ is implemented in the tier-1 cod- ing procedure of JPEG 2000. The resulting system is not JPEG 2000 compliant since the standard does not support GEQ-like quantizers, but ...
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Lossy Joint Source-Channel Coding in the Finite Blocklength Regime
... achievable lossy joint source-channel code rate, and demonstrates that joint source-channel code design brings considerable performance advantage over a separate one in the non-asymptotic ...the ...
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General embedded quantization for wavelet-based lossy image coding
... V. E XPERIMENTAL RESULTS The practical GEQ is implemented in the tier-1 cod- ing procedure of JPEG 2000. The resulting system is not JPEG 2000 compliant since the standard does not support GEQ-like quantizers, but ...
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Wyner’s Common Information for Continuous Random Variables - A Lossy Source Coding Interpretation
... message rate when the total rate is arbitrarily close to the rate-distortion function with joint ...of distortion constraints as long as the distortions are less than certain ...
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Rate-Distortion Evaluation for Two-Layer Coding Systems
... from rate-distortion (R-D) curve fitting to rate-rate-distortion (R 2 -D) surface ...two-layer coding systems, as well as for other applications, ...bit rate allocation ...
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Improving the Rate-Distortion Performance in Distributed Video Coding
... Video Coding Distributed video coding, also called the Wyner-Ziv video coding, is a video coding paradigm that takes advantage of the distributed source coding principle enunciated by ...
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Rate-distortion optimised transform competition for intra coding in HEVC
... as shown in table II. This table reports numbers computed for the BlowingBubbles item. Some configurations have been tested, combining both blocks sizes and various numbers of RDOTs. Table II reveals the potential gains ...
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Rate-distortion optimized wavelet-based irregular mesh coding
... proposed coding approach offers fine-grain quality scalability, achieves optimality in rate-distortion sense and improves compression performance over the state of the ...scalable coding ...
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A Temporal Dependency Model for Rate-Distortion Optimization in Video Coding
... A macroblock-tree (MB-tree) scheme may implemented that tracks the temporal dependency through block level motion trajectories, such as in a two-pass encoding approach. The first pass may include ...
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INTERFRAME-DEPENDENT RATE-QP-DISTORTION MODEL FOR VIDEO CODING AND TRANSMISSION
... Nam, et al., “Pixel-wise unified rate-quantization model for multi-level rate control,” IEEE Journal in Signal Processing, 2013.. 2 S.[r] ...
A Review on Lossy to Lossless Image Coding
... image coding. Wavelets for image coding applications were used first in the year ...picture coding, including Karhonen- Loeve, DCT, lapped orthogonal, lifting based wavelet and filter ...
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RATE DISTORTION OPTIMIZATION FOR MOTION -PARAMETERS OF VIDEO CODING USING 3D-DWT
... compression coding standards such as MPEG- 2, ...video coding and processing systems, so the idea is to find a fast Motion Estimation algorithm to improve the ...
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Two-Step Rate Distortion Optimization Algorithm for High Efficiency Video Coding
... Video Coding (HEVC) is the newest video coding standard for improvement in video data ...the rate-distortion (RD) cost is calculated for all possible dimensions of coding units in the ...
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