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Improvements on Rate-Distortion Performance of H.264 Rate Control in Low Bit Rate Video Coding
2006
2006 IEEE International Conference on Multimedia and Expo
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Simulation results show that compared to rate control scheme in H.264, the improved scheme has significantly improved R-D performance (up to 1.29dB). ...
This paper points out some defects in the techniques used in H.264 rate control and presents two new techniques to improve them. ...
Although the techniques used in the rate control of H.264 are state-of-theart, there are serious defects in them, especially for low bit rate video coding. ...
doi:10.1109/icme.2006.262537
dblp:conf/icmcs/ZhouLZ06
fatcat:l5nm3zw4mvcmjfrj336ct3z2jq
Editorial
2009
Journal of Real-Time Image Processing
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The newest family of H.264 video coding standards (AVC, SVC, and MVC) have shown great rate distortion performance improvements compared to the MPEG-2/MPEG-4 standards. ...
These two steps can help reducing significantly the bit rate and PSNR fluctuations per shot in the case of multiple shot video sequences as compared to the rate control of the H.264/AVC. ...
doi:10.1007/s11554-009-0112-6
fatcat:rd42sjdlobhgliax6trgsqnzda
Rate-constrained coder control and comparison of video coding standards
2003
IEEE transactions on circuits and systems for video technology (Print)
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A unified approach to the coder control of video coding standards such as MPEG-2, H.263, MPEG-4, and the draft video coding standard H.264/AVC is presented. ...
or less of the bit rate. ...
The preference toward H.264/AVC was strongest on the low-bit-rate coded sequences. ...
doi:10.1109/tcsvt.2003.815168
fatcat:khwyhd3z65auvjmk4xxhoxxop4
Linear Rate Control and Optimum Statistical Multiplexing for H.264 Video Broadcast
2008
IEEE transactions on multimedia
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First, we need to understand the complex coding mechanism of an H.264 video encoder and develop a model to analyze and control its rate-distortion (R-D) behavior in an accurate and robust manner. ...
In this paper, we develop a linear rate model and a linear rate control scheme for H.264 video coding. ...
Accurate estimation of the overhead information bit rate has become one of the major issues in rate control for H.264 video coding. Kwon et al. ...
doi:10.1109/tmm.2008.2004903
fatcat:gl7ngpcmw5dytg37wc6m466yri
Applications and improvement of H.264 in medical video compression
2005
IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications
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This paper aims at applying H.264 in medical video compression applications and improving the H.264 rate control algorithm with better perceptual quality. ...
Second, a new motion complexity (MC) measure is defined to express the complexity of motion contents in a video frame, and a new H.264 rate control scheme with the MC measure and perceptual bit allocation ...
San Tan from Singapore National Heart Centre for his valuable comments on medical videos and his kind assistance in the evaluation of the reconstructed medical videos, and the anonymous reviewers for helpful ...
doi:10.1109/tcsi.2005.857869
fatcat:lqlerweafve7ddqx2iph5pamjy
Recent advances in rate control for video coding
2007
Signal processing. Image communication
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Recent advances, such as new concepts in rate-distortion modelling and quality constrained control, are presented. With these techniques, the rate control performance can be improved. ...
In this paper, we review the recent advances in rate control techniques for video coding. The rate control algorithms recommended in the video coding standards are briefly described and analyzed. ...
H.263 H.263 is the first video coding standard for very low-bit-rate video coding. ...
doi:10.1016/j.image.2006.11.002
fatcat:cafowm3zsbbyfohkprxj44s5zu
Rate Control for H.264 Video With Enhanced Rate and Distortion Models
2007
IEEE transactions on circuits and systems for video technology (Print)
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A new rate control scheme for H.264 video encoding with enhanced rate and distortion models is proposed in this work. ...
It is shown by experimental results that the new algorithm can control bit rates accurately with the R-D performance significantly better than that of the rate control algorithm implemented in the H.264 ...
Improved rate and distortion models are described in Section III while the constant bit rate control algorithm for the H.264 baseline-profile encoder is presented in Section IV. ...
doi:10.1109/tcsvt.2007.894053
fatcat:to7y4opwy5hwpbyhstttijjhsy
Performance Analysis of Rate Control Scheme in H.264 Video Coding
2016
Indian Journal of Science and Technology
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To provide an efficient video coding based on H.264/AVC at substantially low bit rate. This ensures higher performance in terms of compression ratio, lower complexity and video reconstruction. ...
This rate-control scheme in the macro-block layer of H.264 baseline encoder with bit-stream calculation and distortion evaluate can potentially contribute to efficient video transcoding systems. ...
High-end coding tools provide superior rate distortion efficiency and improved video compression performance. ...
doi:10.17485/ijst/2016/v9i30/99061
fatcat:wtingaovxbabjktno7n226u2sy
Analysis of the H.264 advanced video coding standard and an associated rate control scheme
2008
Journal of Electronic Imaging (JEI)
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Conclusion In comparison with existing video coding standards, H.264 has some unique features and their impact on rate control should be addressed. ...
One other important reason why our scheme performs better for the low-motion video sequences and low bit rates is that, in these cases, more MBs produce zero or very low bit rates. ...
doi:10.1117/1.3036181
fatcat:l5o42v5qp5e3fbgrvybtrpej7u
A Novel Header Bits Estimation Scheme for H.264/AVC Standard
2013
Applied Mechanics and Materials
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Rate estimation is useful for many H.264/AVC applications including rate-distortion optimization (RDO) for fast mode decision and precise rate control. ...
In this paper, we propose a new header rate prediction model and an adaptive algorithm to provide more accurate estimation of the number of total coding bits for rate control compared to previously proposed ...
Acknowledgements This work was financially supported by the Hainan Natural Science Foundation (611128, 612122,613164, 613163) and Natural Science Foundation of China under Grant (61163042). ...
doi:10.4028/www.scientific.net/amm.333-335.787
fatcat:24sc6sqalfehbbrnm2lnl6qfda
Performance Analysis of SVC
2007
IEEE transactions on circuits and systems for video technology (Print)
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This paper provides a performance analysis of the Scalable Video Coding (SVC) extension of H.264/AVC. ...
Based on these methods, rate-distortion results for several SVC configurations are presented and compared to rate-distortion optimized H.264/AVC single layer coding. ...
With the Scalable Video Coding (SVC) extension of H.264/AVC, the gap in rate-distortion performance between state-of-the-art single-layer coding and scalable coding could be significantly reduced. ...
doi:10.1109/tcsvt.2007.905530
fatcat:z25pucioqvfc3ogo43afaui5ii
Rate-Distortion and Rate-Energy-Distortion Evaluations of Compressive-Sensing Video Coding
2017
International Journal of Digital Multimedia Broadcasting
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This paper presents the evaluations on rate-distortion performance and rate-energy-distortion performance of CSVC by comparing it with the popular hybrid video coding standard H.264 and distributed video ...
It can be concluded that, with a limited energy budget, CSVC outperforms H.264 and DISCOVER, but its rate-distortion performance still needs improvement. ...
In this paper, we will evaluate H.264, DISCOVER, and CSVC system in terms of rate-distortion performance and rate-energy-distortion performance. ...
doi:10.1155/2017/4589124
fatcat:zbtzwdyuo5aqnjyxfvsyeshx3q
Two-description distributed video coding for robust transmission
2011
EURASIP Journal on Advances in Signal Processing
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A residual 2D-DVC is employed to further improve the rate-distortion performance, where the difference of two subsequences is WZ encoded to generate part 2 in each description. ...
In this article, a two-description distributed video coding (2D-DVC) is proposed to address the robust video transmission of low-power capturers. ...
Because DPCM exploits the temporal correlation between adjacent frames, zero-motion-based H.264 normally outperforms the intra-frame coding in term of rate-distortion performance. ...
doi:10.1186/1687-6180-2011-76
fatcat:zyddavhjyfastnfh26qv4shory
Video Coding Focusing on Block Partitioning and Occlusion
2010
IEEE Transactions on Image Processing
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Once embedded into the H.264 Baseline profile, the proposed PVC scheme improves the image quality perceptually significantly by at least 0.5 dB in low bit-rate video coding applications. ...
Among the existing block partitioning schemes, the pattern-based video coding (PVC) has already established its superiority at low bit-rate. ...
Ortega and the anonymous referees for their insightful comments, suggestions, and criticism that considerably improved the quality of this article. ...
doi:10.1109/tip.2009.2033406
pmid:19789112
fatcat:mxw2mmiqk5gfpjuvu62v5mu5ei
Statistical multiplexing of H.264 programs
2007
2007 International Conference on Intelligent and Advanced Systems
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A complexity bit rate control algorithm based on the Structural Similarity Index (SSIM) is proposed. ...
The advent of H.264/AVC is going to change the way Digital Television programs are broadcast. ...
INTRODUCTION The H.264/MPEG-4 Advanced Video Coding standard (H.264/AVC) [1] , also referred as ITU-T Recommendation H.264 and ISO/IEC 14496-10 (MPEG-4 Part 10), is the latest video coding standard jointly ...
doi:10.1109/icias.2007.4658462
fatcat:jquekm6vbvh2jhj664idmntqhu
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