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RD-optimization of hierarchical structured adaptive vector quantization for video coding

M. Wagner, D. Saupe
Proceedings DCC 2000. Data Compression Conference  
Second, we report on recent progress of our ongoing research evaluating the prospects of adaptive vector quantization (AVQ) for verylow-bitrate video coding.  ...  In contrast to conventional state-of-the-art video coding based on entropy coding of motion compensated residual frames in the frequency domain, adaptive vector quantization offers the potential to adapt  ...  Thus, adaptive vector quantization (AVQ) for image sequences was proposed [3, 4] . In order to improve the AVQ-codec, a ratedistortion (RD) optimization was investigated in [5, 6, 7] .  ... 
doi:10.1109/dcc.2000.838223 dblp:conf/dcc/WagnerS00 fatcat:rh5xyv74rraobcgmqbxnmzp5re

Adaptive Quantization Parameter Cascading in HEVC Hierarchical Coding

Tiesong Zhao, Zhou Wang, Chang Wen Chen
2016 IEEE Transactions on Image Processing  
The state-of-the-art High Efficiency Video Coding (HEVC) standard adopts a hierarchical coding structure to improve its coding efficiency.  ...  In this paper, we propose an adaptive QPC scheme for an HEVC hierarchical structure to code natural video sequences characterized by diversified textures, motions, and encoder configurations.  ...  To address this issue, we propose an approach to adaptively optimize the quantization set of all hierarchical layers.  ... 
doi:10.1109/tip.2016.2556941 pmid:27116742 fatcat:dutidvujhfglpfeht5s42tenui

Transcoding to FGS Streams from H.264/AVC Hierarchical B-Pictures

Huifeng Shen, Xiaoyan Sun, Feng Wu, Houqiang Li, Shipeng Li
2006 2006 International Conference on Image Processing  
This paper presents a transcoder which transcodes to FGS streams from H.264/AVC hierarchical B-pictures. First, the DCT-domain architecture is designed for fast FGS transcoding.  ...  Experimental results demonstrated that our method can improve the coding performance up to 1 dB at low rate and only lose at worst 0.5 dB at high rate.  ...  video streams on rate adaptation.  ... 
doi:10.1109/icip.2006.312538 dblp:conf/icip/ShenSWLL06 fatcat:dnz4ipxuhzgarkty3tlso6i6rm

Video Coding with Adaptive Vector Quantization and Rate Distortion Optimization [chapter]

D. Saupe, M. Wagner
2003 Mathematics — Key Technology for the Future  
The codec is based on adaptive vector quantization and has been combined with several video coding techniques like wavelet transform, quad-trees, and rate distortion optimization.  ...  The goal of this project is the evaluation and development o f a new adaptive image sequence coding approach.  ...  The codec is based on hierarchical adaptive v ector quantization (AVQ) in the wavelet domain and, unlike standard video coding, does not apply motion compensation.  ... 
doi:10.1007/978-3-642-55753-8_42 fatcat:qqn2dszydzcsresmlti2ligjs4

Video Coding With Quad-Trees And Adaptive Vector Quantization

Marcel Wagner, Dietmar Saupe
2015 Zenodo  
Publication in the conference proceedings of EUSIPCO, Tampere, Finland, 2000  ...  Thus, adaptive vector quantization (AVQ) for image sequences was proposed [3, 4] . In order to improve the AVQcodec, a rate-distortion (RD) optimization was investigated in [5, 6, 7] .  ...  It was shown in [8] that vector quantization in the wavelet domain leads to additional coding gains. In this paper, we present a new video coding approach for very low bitrates.  ... 
doi:10.5281/zenodo.37412 fatcat:lw2thk7rzzfgdf2e6qqtttrtte

A Trellis Based Temporal Rate Allocation and Virtual Reference Frames for High Efficiency Video Coding

Xiem HoangVan, Le Dao Thi Hue, Thuong Nguyen Canh
2021 Electronics  
The proposed method adaptively allocates the compression bitrate for each coded picture in a group of pictures by using a trellis-based dynamic programming approach.  ...  The High Efficiency Video Coding (HEVC) standard has now become the most popular video coding solution for video conferencing, broadcasting, and streaming.  ...  In video coding, trellis search is used for optimal quantization in ratedistortion optimized quantization (RDOQ) [27] of HEVC.  ... 
doi:10.3390/electronics10121384 fatcat:icvcwdnjcvejfi4dfmjdcp4uxa

Video Transport Evaluation With H.264 Video Traces

Patrick Seeling, Martin Reisslein
2012 IEEE Communications Surveys and Tutorials  
We first give an overview of H.264 video coding, and then present the trace structures for capturing the characteristics of H.264 encoded video.  ...  Compared to the widely studied MPEG-4 encoded video, the recently adopted H.264 video coding standards include novel mechanisms, such as hierarchical B frame prediction structures and highly efficient  ...  Heiko Schwartz of the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany, for sharing detailed insights into H.264 MGS video coding.  ... 
doi:10.1109/surv.2011.082911.00067 fatcat:jbiqkuzdjzgyln2zozkbkp4vuy

Hierarchical motion estimation for side information creation in Wyner-Ziv video coding

João Ascenso, Fernando Pereira
2008 Proceedings of the 2nd international conference on Ubiquitous information management and communication - ICUIMC '08  
The HME technique is integrated in a well known motion compensated frame interpolation framework responsible for the creation of the side information in a Wyner-Ziv video decoder.  ...  Recently, several video coding solutions based on the distributed source coding paradigm have appeared in the literature.  ...  The quantization parameters (QP) for the key frames and the quantization matrices (QI) for the WZ frames define the quality of the key frames and the WZ frames, respectively [3] .  ... 
doi:10.1145/1352793.1352866 dblp:conf/icuimc/AscensoP08 fatcat:nzdfwpwuijcefndywuegbh64ri


Preeti .
2018 International Journal of Advanced Research in Computer Science  
Chain for Random- Access Hierarchical Video Coding 3.8% For the proposed method, the Average ETR of each class is about 103%~105%, and the average ETR of all sequences is about 104%.  ...  for RA-HVC average BD-rate gain : 1.4% BD-rate saving : It is shown that the Temporal Distortion Optimization in Random-Access Hierarchical Video Coding Embedded Temporal propagation  ... 
doi:10.26483/ijarcs.v9i1.5461 fatcat:f6ab454asfeu7n2lr4nlijo76e

Adaptive Redundant Picture for Error Resilient Video Coding

Chunbo Zhu, Ye-Kui Wang, Houqiang Li
2007 2007 IEEE International Conference on Image Processing  
We present several efficient adaptive redundant picture coding methods for error resilient video coding.  ...  Simulation results show that the adaptive redundant picture coding methods can achieve average PSNR improvements around 2 to 4 dB compared to the loss-aware rate distortion optimized (LA-RDO) intra macroblock  ...  The value of mean absolute motion vector is calculated by averaging the absolute motion vector value for all the 4x4 blocks in the coded picture.  ... 
doi:10.1109/icip.2007.4380002 dblp:conf/icip/ZhuWL07 fatcat:mb7fufnblrhcbkhlw6uxlx53iu

Distributed video coding supporting hierarchical GOP structures with transmitted motion vectors

Kyung-Yeon Min, Woong Lim, Junghak Nam, Donggyu Sim, Ivan V Bajić
2015 EURASIP Journal on Image and Video Processing  
In this paper, we propose a new distributed video coding (DVC) method, with hierarchical group of picture (GOP) structure.  ...  Coding gain of DVC can be significantly improved by enlarging GOP size for slow-moving frames.  ...  Based on the accuracies of the SI frames, the best coding mode is selected based on rate-distortion (RD) optimization; thus, the GOP size can be adaptively and hierarchically set.  ... 
doi:10.1186/s13640-015-0068-3 fatcat:t77agaqi55falif7bptzvj3ihi

Fast Bi-Directional Prediction Selection in H.264/MPEG-4 AVC Temporal Scalable Video Coding

Hung-Chih Lin, Hsueh-Ming Hang, Wen-Hsiao Peng
2011 IEEE Transactions on Image Processing  
Index Terms-Bi-directional prediction, bi-directionally predictive frame, encoder optimization, hierarchical prediction structure, H.264/MPEG-4 AVC scalable video coding, temporal scalability.  ...  In this paper, we propose a fast algorithm that efficiently selects the temporal prediction type for the dyadic hierarchical-B prediction structure in the H.264/MPEG-4 temporal scalable video coding (SVC  ...  that efficiently selects the temporal prediction type for the dyadic hierarchical-B prediction structure in the H.264/MPEG-4 temporal scalable video coding (SVC).  ... 
doi:10.1109/tip.2011.2156802 pmid:21606025 fatcat:44unjszjend2jounktyqgxoj6q

Rate-distortion-optimized predictive compression of dynamic 3D mesh sequences

Karsten Müller, Aljoscha Smolic, Matthias Kautzner, Peter Eisert, Thomas Wiegand
2006 Signal processing. Image communication  
In video coding rate-distortion (RD) optimization is often used to avoid fixed thresholds and to select the optimum prediction mode.  ...  We applied these ideas and present here an RD-optimized dynamic 3D mesh coder.  ...  We would like to thank Alexandru Salomie from Vrije Universiteit Brussel for providing the Humanoid sequence.  ... 
doi:10.1016/j.image.2006.07.002 fatcat:yxkcbmblnbg77agck6sgxqee6i

Joint Optimization of Transform and Quantization for High Efficiency Video Coding

Miaohui Wang, Wuyuan Xie, Jian Xiong, Dayong Wang, Jing Qin
2019 IEEE Access  
This paper introduces a joint optimization of transform and quantization approach for video coding.  ...  INDEX TERMS Video coding, content dependent transform, block adaptive quantization, high efficiency video coding (HEVC).  ...  BLOCK ADAPTIVE QUANTIZATION (BAQ) OPTIMIZATION In Equation (5) , BAQ can choose a unique QP for a TB, and achieve a better coding performance.  ... 
doi:10.1109/access.2019.2917260 fatcat:y3545hx7l5d7fa7v2b4qmk23ky

A hybrid video codec based on extended block sizes, recursive integer transforms, improved interpolation, and flexible motion representation

Marta Karczewicz, Peisong Chen, Rajan Joshi, Xianglin Wang, Wei-Jung Chien, Rahul Panchal, Muhammed Coban, In Suk Chong, Yuriy A. Reznik, Amir Said, Onur G. Guleryuz, Robert L. Stevenson
2011 Visual Information Processing and Communication II  
(MDDT) for intra-coding, luma and chroma high precision filtering, geometry motion partitioning, adaptive motion vector resolution.  ...  Proposed video codec follows a hybrid coding approach based on temporal prediction, followed by transform, quantization, and entropy coding of the residual.  ...  CONCLUSIONS In response to the joint call for proposal issued by ISO/IEC JTC 1/SC 29/WG 11 (MPEG) and ITU-T SG 16 Q6, Qualcomm Inc. submitted a video coding technology proposal.  ... 
doi:10.1117/12.881084 dblp:conf/vipc/KarczewiczCJWCP11 fatcat:364kmdvmpbfmtor33fl4ruwgym
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