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Algorithms and DSP implementation of H.264/AVC

Hung-Chih Lin, Yu-Jen Wang, Kai-Ting Cheng, Shang-Yu Yeh, Wei-Nien Chen, Chia-Yang Tsai, Tian-Sheuan Chang, Hsueh-Ming Hang
2006 Proceedings of the 2006 conference on Asia South Pacific design automation - ASP-DAC '06  
Fast algorithms for motion estimation, intra-prediction and mode decision are described to reduce the computational complexity.  ...  This survey paper intends to provide a comprehensive coverage of the techniques that are pertinent to the processor-based implementation of H.264/AVC video codec, particularly on DSP.  ...  Then, we present the fast algorithms for the intra prediction, motion estimation, mode decision and other parts in Section II to Section VI, respectively.  ... 
doi:10.1145/1118299.1118472 fatcat:dlecsrq3svbbnepvmg653xn6ci

Improved Intra Prediction of H.264/AVC [chapter]

Mohammed Golam, Q. M. Jonathan Wu
2011 Effective Video Coding for Multimedia Applications  
In this case, based on the MPM either 1 or 4 bits are allocated to represent the intra prediction mode. The new prediction mode numbers are recorded and compared against H.264/AVC in Table 2.  ...  Intra prediction of H.264/AVC In contrast to some previous standards (namely H.263+ and MPEG-4 Visual), where intra prediction has been conducted in the transform domain, intra prediction in H.264/AVC  ...  Many books are available for video coding fundamentals.This book is the research outcome of various Researchers and Professors who have contributed a might in this field.  ... 
doi:10.5772/14608 fatcat:wlcs3bpd2bcxddggwwcsxu5pxq

Feature-Based Intra-/InterCoding Mode Selection for H.264/AVC

Changsung Kim, C.-C. Jay Kuo
2007 IEEE transactions on circuits and systems for video technology (Print)  
A fast feature-based intra/inter coding mode selection scheme for the H.264/AVC video coding standard is proposed in this paper.  ...  Depending on the region where the feature vector of a macroblock is located, we can apply mechanisms of different complexity for final mode decision.  ...  Shih and Dr. F.-T. Chien for their helpful discussion to enhance the quality of this work.  ... 
doi:10.1109/tcsvt.2006.888829 fatcat:vktzeqhi7vhqrdolfg7q25avlu

Computationally Efficient Intra and Inter Mode Decision in H.264/AVC

Deepa Mathew, Binish M C, Bijoy A Jose
2020 Procedia Computer Science  
The fast intra mode decision is achieved by eliminating the less likely prediction modes from the rate distortion computation, for which a method based on directions of prediction and the Sum of Absolute  ...  The fast intra mode decision is achieved by eliminating the less likely prediction modes from the rate distortion computation, for which a method based on directions of prediction and the Sum of Absolute  ...  Conclusion A fast mode decision algorithm for the H.264/AVC intra and inter prediction is proposed in this paper.  ... 
doi:10.1016/j.procs.2020.04.037 fatcat:2uxcrnglcrexbowksqibwprjou

Variable block-size transforms for H.264/AVC

M. Wien
2003 IEEE transactions on circuits and systems for video technology (Print)  
It is called adaptive block-size transforms (ABT) and was proposed for coding of high resolution and interlaced video in the emerging video coding standard H.264/AVC.  ...  Intra ABT employs variable block-size prediction and transforms for encoding. With ABT, the maximum feasible signal length is exploited for transform coding.  ...  Ohm, Aachen University, and U. Benzler, R. Bosch GmbH, as well as A. Dahlhoff and C. Mayer, Aachen University, for many insightful discussions on the topic.  ... 
doi:10.1109/tcsvt.2003.815380 fatcat:2bon3wrfzzdp5c23prfj7srgkq

H.264/AVC in wireless environments

T. Stockhammer, M.M. Hannuksela, T. Wiegand
2003 IEEE transactions on circuits and systems for video technology (Print)  
Appropriate justifications for the application of different tools based on experimental results are presented.  ...  The video compression performance of the H.264/AVC Video Coding Layer typically provides a significant improvement.  ...  Günther Liebl for providing the test conditions and software simulator, Stephan Wenger, Niko Färber, Klaus Stuhlmüller, Eckehard Steinbach, and Bernd Girod for useful discussions, and JVT for the collaborative  ... 
doi:10.1109/tcsvt.2003.815167 fatcat:3w65hvcfcncvxawqlfyg4eb3ba

Efficient rate-distortion estimation for H.264/AVC coders

Yu-Kuang Tu, Jar-Ferr Yang, Ming-Ting Sun
2006 IEEE transactions on circuits and systems for video technology (Print)  
coefficients, for the inter-mode decision in H.264/AVC coders.  ...  and saves about 17% total encoding time while combining with fast motion estimation and fast mode decision algorithms.  ...  Fig. 4 . 4 Cost calculation for inter-mode decision in the H.264/AVC reference software. Fig. 5 . 5 Proposed cost calculation for H.264/AVC inter-mode decision.  ... 
doi:10.1109/tcsvt.2006.873160 fatcat:lxkiqiodcjalvcxrx2wcjn4cqa

Algorithm-level Optimization for Real-time H.264/AVC Encoder

Seung-Hwan Kim, Yo-Sung Ho
2007 2007 14th International Workshop on Systems, Signals and Image Processing and 6th EURASIP Conference focused on Speech and Image Processing, Multimedia Communications and Services  
In this paper, we present algorithm-level optimization methods: input parameter selection, fast inter-mode decision, and efficient combination of motion estimation and mode decision.  ...  The H.264 standard achieves higher compression efficiency than previous video coding standards with the ratedistortion optimized (RDO) method for mode decision.  ...  ACKNOWLEDGEMENTS This work was supported in part by MIC through RBRC at GIST and in part by MOE through the BK21 project.  ... 
doi:10.1109/iwssip.2007.4381169 fatcat:dzrnmlmyfnfk7noc6u7k46uqeq

Fast Mode Decision for H.264/AVC Using Mode Prediction [chapter]

Song-Hak Ri, Joern Ostermann
2006 Lecture Notes in Computer Science  
In this paper, we present a new method to speed up the mode decision process using mode prediction.  ...  The proposed method determines the best coding mode of a given macroblock by predicting the mode and its ratedistortion (RD) cost from neighboring MBs in time and space.  ...  Except for SKIP and intra modes, each inter mode decision requires a motion estimation process.  ... 
doi:10.1007/11864349_32 fatcat:eiyool42a5e3fd6udvzjumwgwq

Intra-Skip in Inter-Frame Coding of H.264/AVC

Hui Su
2009 International Journal of Digital Multimedia Broadcasting  
mode decision, motion search algorithms, and fast intra-algorithms.  ...  In inter-frame coding of H.264/AVC standard, not only seven inter-partition modes but also intra-modes are taken into account for seeking the best coding mode so as to maintain higher encoding efficiency  ...  In the inter-frame coding of H.264/AVC standard, intra-modes are also calculated, for seeking the best coding mode in order to obtain low bitrate and high fidelity, also for images that would be better  ... 
doi:10.1155/2009/141986 fatcat:tdge3mr3erbpncwqxhyszb7giq

Rate-Distortion Modeling for Efficient H.264/AVC Encoding

Yu-Kuang Tu, Jar-Ferr Yang, Ming-Ting Sun
2007 IEEE transactions on circuits and systems for video technology (Print)  
The proposed algorithms can reduce the computation complexity for the R-D optimized mode-decision by using the new cost function evolving from the simplified transform-domain R-D model.  ...  Based on the proposed estimations, a rate-control scheme in the macroblock layer is also proposed to improve the coding efficiency.  ...  Fig. 4 . 4 Proposed cost calculation for H.264/AVC inter-mode decision. Fig. 5 . 5 Original cost calculation for H.264/AVC inter-mode decision.  ... 
doi:10.1109/tcsvt.2007.894041 fatcat:yvkbels62fesxerzihmvrtmqiy

Fast Intra Skip Decision Algorithm for H.264/AVC

Ying Hong Wang, Kuo Hsiang Cheng
2014 2014 7th International Conference on Ubi-Media Computing and Workshops  
In this study, we propose a simple, highly efficient intra skip decision algorithm to reduce the computational complexity of H.264/AVC coding.  ...  It utilizes information such as the best mode and the rate value of the RD cost function, which are all pre-calculated.  ...  Efficient Intra Skip Decision Algorithm for H.264/AVC Video Coding Observations and Analysis In the coding tools of the H.264/AVC, there exist two types of prediction modes: inter mode prediction and  ... 
doi:10.1109/u-media.2014.37 fatcat:e46gqm3ylrc2xgm2ozrwsdwqc4

Efficient probability based macroblock mode selection in H.264/AVC

Yali Liu, Kun Tang, Huijuan Cui
2005 Visual Communications and Image Processing 2005  
To get high compress efficiency, the latest H.264/AVC international video coding standard introduced many more advanced tools than previously used standards, such as using sophisticated prediction and  ...  fast mode decision algorithms.  ...  IN H.264/AVC 2.1.  ... 
doi:10.1117/12.631566 fatcat:33wtexsvc5bcpi62ynavogur74

A New Fast Intra Prediction Mode Decision Algorithm For H.264/Avc Encoders

A. Elyousfi, A. Tamtaoui, E. Bouyakhf
2007 Zenodo  
In this paper, we propose a new fast intra prediction mode decision method for the complexity reduction of H.264 video coding. for luma intra prediction, the proposed method consists of two step: in the  ...  The H.264/AVC video coding standard contains a number of advanced features. Ones of the new features introduced in this standard is the multiple intramode prediction.  ...  To reduce the complexity of H.264/AVC, various researches are currently being made to develop fast algorithms in motion estimation, intra mode prediction and inter mode prediction for H.264/AVC video coding  ... 
doi:10.5281/zenodo.1076918 fatcat:i3uqc7ziybechmtd7kev6janhm

Scalable Fast Rate-Distortion Optimization for H.264/AVC

Feng Pan, Hongtao Yu, Zhiping Lin
2006 EURASIP Journal on Advances in Signal Processing  
The latest H.264/AVC video coding standard aims at significantly improving compression performance compared to all existing video coding standards.  ...  The process will be terminated as soon as the computed rate-distortion (RD) cost is below a threshold which is content adaptive and is also dependent on the RD cost of the previous MBs.  ...  This paper has presented a new way for H.264/AVC fast mode decision. Unlike other methods which depend on temporal and spatial correlations, we study the probability distribution of coded modes.  ... 
doi:10.1155/asp/2006/37175 fatcat:4he6lecoqjhgxffogyunrpxj6q
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