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Design of Efficient Perspective Affine Motion Estimation/Compensation for Versatile Video Coding (VVC) Standard

Young-Ju Choi, Dong-San Jun, Won-Sik Cheong, Byung-Gyu Kim
2019 Electronics  
In Versatile Video Coding (VVC), a block-based 4-parameter and 6-parameter affine motion compensation (AMC) is being applied.  ...  The fundamental motion model of the conventional block-based motion compensation in High Efficiency Video Coding (HEVC) is a translational motion model.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics8090993 fatcat:ewztqjak25fajbtzzm6ody2oba

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.  ...  motion estimation/compensation tools bring compression advances in the block based hybrid video coding.  ... 
doi:10.1145/1352793.1352866 dblp:conf/icuimc/AscensoP08 fatcat:nzdfwpwuijcefndywuegbh64ri

Restricted affine motion compensation in video coding using particle filtering

Manoj Alwani, Ravi Chaudhary, Mona Mathur, Sumantra Dutta Roy, Santanu Chaudhury
2010 Proceedings of the Seventh Indian Conference on Computer Vision, Graphics and Image Processing - ICVGIP '10  
We propose a novel particle filter-based motion compensation strategy for video coding.  ...  Results of our experimentation show reduced residual energy and better PSNR as compared to traditional video coding methods, especially in regions of complex motion such as zooming and rotation.  ...  The real motivation for using affine compensation can be seen in the results for PSNR in Table 1 which show an improvement of up to 1.2 dB and an average improvement of 0.7 dB over the translational  ... 
doi:10.1145/1924559.1924623 dblp:conf/icvgip/AlwaniCMRC10 fatcat:5ua7bcuhsvffhbhpzzvab5pmfy

Motion compensation with higher order motion models for HEVC

Cordula Heithausen, Jan Hendrik Vorwerk
2015 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
motion compensation framework for the HEVC is proposed.  ...  The objective of this paper is to improve the coding efficiency for video sequences containing complex motion.Various higher order motion models are considered and evaluated to this end.  ...  Merging these aspects into a broader realization of an existing idea, this work describes the implementation of a higher order motion compensation framework for exchangeable motion models in the HEVC reference  ... 
doi:10.1109/icassp.2015.7178208 dblp:conf/icassp/HeithausenV15 fatcat:6pkm4gi3qjgxroaiyxtuuy2viu

An Efficient Four-Parameter Affine Motion Model for Video Coding [article]

Li Li, Houqiang Li, Dong Liu, Haitao Yang, Sixin Lin, Huanbang Chen,, Feng Wu
2017 arXiv   pre-print
In this paper, we study a simplified affine motion model based coding framework to overcome the limitation of translational motion model and maintain low computational complexity.  ...  The proposed four-parameter affine motion model can not only handle most of the complex motions in natural videos but also save the bits for two parameters.  ...  INTRODUCTION Motion estimation (ME) and motion compensation (MC) are the fundamental techniques of video coding to remove the temporal redundancy between video frames.  ... 
arXiv:1702.06297v1 fatcat:k4i3uuzeavcojffvxwwy6fn4bm

Using multiple global motion models for improved block-based video coding

E. Steinbach, T. Wiegand, B. Girod
1999 Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348)  
A novel motion representation and estimation scheme is presented that leads to improved coding efficiency of blockbased video coders like, e.g., H.263.  ...  In contrast to conventional global motion compensation, where one motion model is transmitted, we show that multiple global motion models are of benefit in terms of coding efficiency.  ...  But, if the improvements obtained by finding a good match in our extended motion search range make up for the extra bit-rate, we gain coding efficiency of our video codec.  ... 
doi:10.1109/icip.1999.822854 dblp:conf/icip/SteinbachWG99 fatcat:riumresswze3zi3gsvyktzbnse

Block-Matching-Based Implementation of Affine Motion Estimation for HEVC

Chihiro TSUTAKE, Toshiyuki YOSHIDA
2018 IEICE transactions on information and systems  
This paper proposes a new affine motion estimation/compensation framework friendly to block-matching-based parameter estimation, and applies it to an HEVC encoder to demonstrate its coding efficiency and  ...  Many of affine motion compensation techniques proposed thus far employ least-square-based techniques in estimating affine parameters, which requires a hardware structure different from conventional blockmatching-based  ...  Proposed Affine Motion Estimation/Compensation Framework and Fast Parameter Estimation Technique Simplification of Affine Motion Model The actual motion model in AMC should be determined by considering  ... 
doi:10.1587/transinf.2017edp7201 fatcat:j2eemgjcfndkrie5puq5lobzhm

Block-Matching Translation And Zoom Motion-Compensated Prediction by sub-sampling

Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung, Ka-Ho Ng
2009 2009 16th IEEE International Conference on Image Processing (ICIP)  
In modern video coding standards, motion compensated prediction (MCP) plays a key role to achieve video compression efficiency.  ...  Most of them make use of block matching techniques and assume the motions are pure translational. Attempts toward a more general motion model are usually too complex to be practical in near future.  ...  ACKNOWLEDGMENT The work described in this paper was substantially supported by a grant from Applied R & D Funding (ARD) of City University of Hong Kong [Project No. 9667014] and also partially supported  ... 
doi:10.1109/icip.2009.5413383 dblp:conf/icip/WongPCN09 fatcat:6arlidis6zamxbxima5dorrodi

Block-Matching Translation and Zoom Motion-Compensated Prediction

Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung
2009 2009 IEEE International Conference on Multimedia and Expo  
In modern video coding standards, motion compensated prediction (MCP) plays a key role to achieve video compression efficiency.  ...  Most of them make use of block matching techniques and assume the motions are pure translational. Attempts toward a more general motion model are usually too complex to be practical in near future.  ...  ACKNOWLEDGMENT The work described in this paper was substantially supported by a grant from Applied R & D Funding (ARD) of City University of Hong Kong [Project No. 9667014] and also partially supported  ... 
doi:10.1109/icme.2009.5202429 dblp:conf/icmcs/WongPC09 fatcat:qewqznqxj5fcnbtq6562jcrp5m

Affine multipicture motion-compensated prediction

T. Wiegand, E. Steinbach, B. Girod
2005 IEEE transactions on circuits and systems for video technology (Print)  
The combination of affine and long-term memory motion-compensated prediction provides a highly efficient video compression scheme in terms of rate-distortion performance.  ...  Affine motion compensation is combined with long-term memory motion-compensated prediction. The idea is to determine several affine motion parameter sets on subareas of the image.  ...  Hence, the proposed video codec enables the utilization of variable block-size coding, long-term memory prediction and affine motion compensation using such an adaptive method, where the use of the multiple  ... 
doi:10.1109/tcsvt.2004.841690 fatcat:fe333y2t25canp77opekmb2nbe

Improving Image Compression - Is It Worth The Effort?

Ralf SchäFer, Guido Heising, Aljoscha Smolié
2000 Zenodo  
Publication in the conference proceedings of EUSIPCO, Tampere, Finland, 2000  ...  Other promising approaches in this field include usage of 4x4 blocks or more complex motion models (affine) for block-based motion compensation.  ...  Recent results obtained at the University of Erlangen prove that long-term memory motion compensated prediction also provides an increased coding efficiency.  ... 
doi:10.5281/zenodo.37683 fatcat:6lobiae3tvcllnfoo63lpu4xuq

Fast analysis of scalable video for adaptive browsing interfaces

Marta Mrak, Janko Ćalić, Ahmet Kondoz
2009 Computer Vision and Image Understanding  
Driven by a high demand for user-centred video interfaces and recent advances in scalable video coding technology, this work introduces a novel framework for video browsing by utilising inherently hierarchical  ...  By utilising compressed domain features an efficient hierarchical analysis of motion activity at different layers of complexity is achieved.  ...  As in traditional video compression approaches, scalable video coding frameworks use motion compensation.  ... 
doi:10.1016/j.cviu.2008.08.004 fatcat:qlisyzbqrje2df62nnfq2hcatq

Lossy parametric motion model compression for global motion temporal filtering

M. Tok, A. Krutz, A. Glantz, T. Sikora
2012 2012 Picture Coding Symposium  
It has been shown that techniques using higherorder motion parameters outperform common translational motion compensated prediction for hybrid video coders.  ...  Experimental results show that using the proposed compression scheme for the perspective motion models, the BD-rate can be improved up to 8.8% in average in the higher bit rate range and up to 7.7% in  ...  We propose a method for compression of such perspective models to improve the performance of video coding methods that use PMMs.  ... 
doi:10.1109/pcs.2012.6213354 dblp:conf/pcs/TokKGS12 fatcat:o2r644wdyjgzxmtwxv6oovbfda

Adaptive motion model selection using a cubic spline based estimation framework

Haricharan Lakshman, Heiko Schwarz, Thomas Wiegand
2010 2010 IEEE International Conference on Image Processing  
Bit rate savings up to 11.7% in IPPP and 9.3% in Hierarchical B pictures are shown compared to an improved H.264/AVC reference.  ...  A novel method for estimating the warping parameters in a rate-constrained way is presented. A cubic spline framework is utilized to obtain fractional-accuracy samples for motion compensation.  ...  CONCLUSION We presented a video coding system with improved interpolation and motion compensation capabilities.  ... 
doi:10.1109/icip.2010.5652655 dblp:conf/icip/LakshmanSW10 fatcat:ec2uuae77bhlblt5s3x67ypo3e

An Improved Fast Affine Motion Estimation Based on Edge Detection Algorithm for VVC

Weizheng Ren, Wei He, Yansong Cui
2020 Symmetry  
This paper gives an overview of both the 4-parameter affine motion model and the 6-parameter affine motion model, analyzes their performances, and proposes improved algorithms according to the symmetry  ...  The multiple-mode affine motion compensation (MM-AMC) adopted by VVC saves approximately 15%-25% Bjøntegaard Delta Bitrate (BD-BR), with an inevitable increase of encoding time.  ...  In the block-based affine motion model, motion vectors (MVs) of each Control-point need to be coded in AMC [9] .  ... 
doi:10.3390/sym12071143 fatcat:og6y6htb3vchbgo6epevfzah5u
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