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H.264/AVC Video Compression on Smartphones

M P Sharabayko, N G Markov
2017 Journal of Physics, Conference Series  
already reaching the compression efficiency limit of H.264/AVC.  ...  In this paper, we studied the usage of H.264/AVC video compression tools by the flagship smartphones.  ...  Spatial intra prediction modes There are ten spatial intra prediction modes available in H.264/AVC.  ... 
doi:10.1088/1742-6596/803/1/012141 fatcat:wh7vgzd2grbrtdddjncw2l6gw4

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.  ...  In addition, in order to port the H.264/AVC codec to DSP, we also outline the basic principles of DSP code optimization.  ...  Numerous studies on reducing H.264/AVC codec implementation complexity have been published in the past 3 years since this standard was finalized in late 2002.  ... 
doi:10.1145/1118299.1118472 fatcat:dlecsrq3svbbnepvmg653xn6ci

Improving flexible macroblock ordering of H.264/AVC

Li Song, Xin Ma
2009 2009 IEEE International Conference on Multimedia and Expo  
H.264/AVC is the latest video coding standard from ITU-T. It provides superior and efficient video coding at low bit rates.  ...  With our adaptive macroblocks allocation map, simulation results have shown the improved FMO works better with the error concealment tool in H.264/AVC.  ...  CONCLUSION In this paper, we propose an adaptive FMO mode for H.264/AVC standard, which is more efficient than the chess type FMO used in H.264/AVC in coding performance and offer the nearly same robustness  ... 
doi:10.1109/icme.2009.5202601 dblp:conf/icmcs/SongM09 fatcat:5j6lbwgitjgtnobdpvckfaignq

Error resiliency schemes in H.264/AVC standard

Sunil Kumar, Liyang Xu, Mrinal K. Mandal, Sethuraman Panchanathan
2006 Journal of Visual Communication and Image Representation  
A coded video sequence in H.264/AVC consists of a sequence of 'coded pictures'. A coded picture can represent an entire frame or a single field (for interlaced frame).  ...  The main features of H.264/AVC, which distinguish it from the previous video compression standards, are briefly discussed below [2, 3]: • Two context adaptive coding schemes, CAVLC (context-adaptive variable-length  ...  Amit Trivedi, an undergraduate student at Clarkson University, for his help in preparing this paper.  ... 
doi:10.1016/j.jvcir.2005.04.006 fatcat:y5shnfdwzncknd7polvcvu3hz4

H.264/AVC baseline profile decoder complexity analysis

M. Horowitz, A. Joch, F. Kossentini, A. Hallapuro
2003 IEEE transactions on circuits and systems for video technology (Print)  
In this paper, we study and analyze the computational complexity of a software-based H.264/AVC baseline profile decoder.  ...  Our results indicate that an H.264/AVC baseline decoder is approximately 2.5 times more time complex than an H.263 baseline decoder.  ...  H.264/AVC BASELINE DECODER: STORAGE REQUIREMENTSThe storage required by an H.264/AVC baseline decoder can be divided into four memory classes.  ... 
doi:10.1109/tcsvt.2003.814967 fatcat:iusuhimevvdihay7flxrzarkie

Architecture Design of The Hardware H.264/AVC Video Decoder

Mikołaj Roszkowski, Andrzej Abramowski, Michał Wieczorek, Grzegorz Pastuszak
2010 International Journal of Electronics and Telecommunications  
The paper describes the architecture of the H.264/AVC decoder able to support SDTV and HDTV resolutions.  ...  Architecture Design of The Hardware H.264/AVC Video Decoder The need for real-time video compression systems requires a particular design methodology to achieve high troughput devices.  ...  The only not-supported feature of the H.264/AVC High Profile is the macroblock adaptive frame field coding (MBAFF), temporal direct prediction modes, and implicit weighted prediction.  ... 
doi:10.2478/v10177-010-0039-7 fatcat:nhctikbqmngk3atpcrzzejqalu

Constant frame quality control for H.264/AVC

Ching-Yu Wu, Po-Chyi Su, Long-Wang Huang, Chia-Yang Chiou
2013 APSIPA Transactions on Signal and Information Processing  
I N T R O D U C T I O N H.264/AVC [1] is widely adopted in many applications these days due to its advanced coding tools.  ...  Five sequences constant frame quality control for h.264/avc at three different target PSNR values are tested.  ...  Ching-Yu Wu received the B.S. and M.S. degrees from the Department of Computer Science and Information Engineering, National Central University, Taiwan, in 2006 and 2008, respectively.  ... 
doi:10.1017/atsip.2013.4 fatcat:dvl3gky44fagrg5bptlg2qahde

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  
The H.264 standard achieves higher compression efficiency than previous video coding standards with the ratedistortion optimized (RDO) method for mode decision.  ...  Simulation results show that our optimized H.264 encoder achieves realtime encoding for Video Graphics Array (VGA) and eXtended Graphics Array (XGA) on a commercial personal computer without introducing  ...  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

ContentAdaptive Refined Error Concealment Schemes for H.264/AVC Video Coding

Santosh V. Chapaneri
2011 International Journal of Computer Applications  
To reduce the computational complexity, the proposed schemes make use of the existing information of Intra prediction modes from the coded bit-stream for spatial error concealment.  ...  In this paper, we propose content-adaptive refined error concealment schemes for video transmission over packet lossy networks.  ...  Compared to the previous standards, H.264/AVC adopted new coding tools such as Intra prediction, loop-filtering, tree structured motion estimation and compensation and so on.  ... 
doi:10.5120/3309-4535 fatcat:qagmwe6mu5c4nmw7ok43lbzxei

Video coding with H.264/AVC: tools, performance, and complexity

J. Ostermann, J. Bormans, P. List, D. Marpe, M. Narroschke, F. Pereira, T. Stockhammer, T. Wedi
2004 IEEE Circuits and Systems Magazine  
H.264/AVC, the result of the collaboration between the ISO/IEC Moving Picture Experts Group and the ITU-T Video Coding Experts Group, is the latest standard for video coding.  ...  This paper provides an overview of the new tools, features and complexity of H.264/AVC. Abstract Feature Jörn Ostermann is with the  ...  Intra coding in H.264/AVC tends to use INTRA_16×16 prediction modes when coding nearly uniform image areas.  ... 
doi:10.1109/mcas.2004.1286980 fatcat:llpq7bulxfe3xn7qufw52hm3ri

Spatial Prediction in the H.264/AVC FRExt Coder and its Optimization [chapter]

Simone Milani
2010 Signal Processing  
Since the earliest stages of its standardization process, the Intra coding mode of the H.264/AVC codec has been characterized by block-based spatial prediction.  ...  coding mode of H.264/AVC standard.  ...  /spatial-prediction-in-the-h-264-avc-frext-coder-and-itsoptimization © 2010 The Author(s).  ... 
doi:10.5772/8543 fatcat:mxczdquc6ndudkhrvlpybh545i

Study of H.264/Avc Algorithm and It's Implementation In Matlab

Samitha T, Prasanth C. R, Lekshmi P.R, Shanti K.P
2014 IOSR Journal of VLSI and Signal processing  
H.264/AVC(Advanced Video Coding) is a video coding standard of the ITU-T(International Telecommunication Union for Telecommunication Standardization Sector) Video Coding Experts Group and the ISO/IEC(International  ...  This article provides an overview of the technical features of H.264/AVC, describes profiles and applications for the standard, and compared it with H.261 and H.263.  ...  The coding representation in H.264/AVC based primarily on geometric concepts rather than being based on timing. B.  ... 
doi:10.9790/4200-04125368 fatcat:yj2kkezmpfafhcjun6bakuwst4

Fast Intra-Mode Prediction Algorithm in H.264/AVC Video Coding

J.-H. KIM, B.-G. KIM, C.-S. CHO
2007 IEICE transactions on information and systems  
This paper presents a fast intra prediction algorithm for H.264/AVC video coding. In the proposed scheme, prior to intra prediction the dominant edge of each block is determined.  ...  To achieve the highest coding efficiency, H.264/AVC uses rate-distortion optimization technique to get the best intra prediction mode which maximizes coding quality and minimizes resulting data bits.  ...  For high coding efficiency, H.264/AVC uses several new tools such as intra prediction, adaptive block-size motion compensation, 4× 4 integer transform, multiple reference pictures, and context-adaptive  ... 
doi:10.1093/ietisy/e90-d.8.1320 fatcat:ybs5nj3s6rbk3ee5stch6p4ldq

Methods for Power/Throughput/Area Optimization of H.264/AVC Decoding

Ke Xu, Tsu-Ming Liu, Jiun-In Guo, Chiu-Sing Choy
2009 Journal of Signal Processing Systems  
This paper presents methods for efficient optimization of ASIC implementation for H.264/AVC video decoding. A systematic approach in optimization is presented in a top-down flow.  ...  Finally, we provide the design guidelines for ASIC implementation based on the analysis and our design experiences of five dedicated decoder chips.  ...  Inverse Transform H.264/AVC adopts transform coding for the prediction residues.  ... 
doi:10.1007/s11265-009-0408-6 fatcat:dhvbpcut5bgonhbe5y2dbetc5m

Restricted H.264/AVC video coding for privacy protected video scrambling

Feng Dai, Lingling Tong, Yongdong Zhang, Jintao Li
2011 Journal of Visual Communication and Image Representation  
In this paper, we focus on improving coding efficiency while preventing drift error in privacy protected H.264/AVC video scrambling, which is the state-of-the-art coding standard.  ...  A restricted video coding scheme is proposed, which involves three parts of Mode Restricted Intra Prediction (MRIP), Search Window Restricted Motion Estimation (SWRME) and Boundary Strength Restricted  ...  Restricted H.264/AVC video coding for privacy protection In this section, we describe our proposed restricted video coding scheme based on the baseline profile of H.264/AVC standard.  ... 
doi:10.1016/j.jvcir.2011.05.006 fatcat:k5or24cmzjgv7cqfxu7ocz77aa
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