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Spatial Information Refinement for Chroma Intra Prediction in Video Coding [article]

Chengyi Zou, Shuai Wan, Tiannan Ji, Marta Mrak, Marc Gorriz Blanch, Luis Herranz
2021 arXiv   pre-print
In this paper, spatial information refinement is proposed for improving NN-based chroma intra prediction.  ...  Index Terms-Chroma intra prediction, convolutional neural networks, spatial information refinement.  ...  In Section III, we describe the proposed spatial information refinement for chroma intra prediction. The performance of the proposed method is presented in Section IV.  ... 
arXiv:2109.11913v1 fatcat:3724pdu2lvgapdea4m5644q4ge

Recent developments in video compression standards and their impact on embedded platforms

Iole Moccagatta
2006 Proceedings of the 14th annual ACM international conference on Multimedia - MULTIMEDIA '06  
time Spatial Scalability in MPEG-4 SVC inter-layer prediction techniques spatial decimation MC & Intra prediction MC & Intra prediction entropy coding entropy coding multiplexer  ...  to Multi-view Video Coding EstiMedia 2006 -© imec 2006 SVC Block Diagram spatial decimation (2) MC & Intra prediction MC & Intra prediction base layer coding base layer coding mux  ...  • Memory access complexity significantly increased due to frame/layer/view-point prediction -need to minimize data transfer between processing components as well as storage requirements • Computational  ... 
doi:10.1145/1180639.1180646 dblp:conf/mm/Moccagatta06 fatcat:jwue6nnkyrhpncehspyyfab6by

General Video Coding Technology in Responses to the Joint Call for Proposals on Video Compression with Capability beyond HEVC

Benjamin Bross, Kenneth Andersson, Max Blaser, Virginie Drugeon, Seung-Hwan Kim, Jani Lainema, Jingya Li, Shan Liu, Jens-Rainer Ohm, Gary J. Sullivan, Ruoyang Yu
2019 IEEE transactions on circuits and systems for video technology (Print)  
All technology proposed in the responses to the CfP was based on the classic block-based hybrid video coding design, extending it by new elements of partitioning, intra-and inter-picture prediction, prediction  ...  This provided enough evidence to issue a joint Call for Proposals (CfP) for a new standardization activity now known as Versatile Video Coding (VVC).  ...  Apart from 2D video coding, wedgelet-based subblock partitions in combination with intra-prediction for the depth information is specified in the 3D extension of HEVC, uniquely suited for coding of sharp  ... 
doi:10.1109/tcsvt.2019.2949619 fatcat:i4oimql6sbhhrafdb275djpe64

135-MHz 258-K Gates VLSI Design for All-Intra H.264/AVC Scalable Video Encoder

Gwo-Long Li, Tzu-Yu Chen, Meng-Wei Shen, Meng-Hsun Wen, Tian-Sheuan Chang
2013 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
In this paper, a VLSI design for all-intra scalable video encoder is proposed to aim at efficient scalable video encoding.  ...  Index Terms-All-intra, scalable video coding (SVC), VLSI architecture design.  ...  (b) 0 50 100 150 200 250 300 350 400 450 Intra 4x4 Intra 8x8 / 4x4 Intra 16x16 Intra 16x16 Chroma Chroma Luma Rec Chroma Rec Quality refine Pic 0 EL1 Quality refine Pic 0 EL2  ... 
doi:10.1109/tvlsi.2012.2190536 fatcat:r5wlmsmenbgivoezkfc4xd2wqy

Developments in International Video Coding Standardization After AVC, With an Overview of Versatile Video Coding (VVC)

Benjamin Bross, Jianle Chen, Jens-Rainer Ohm, Gary J. Sullivan, Ye-Kui Wang
2021 Proceedings of the IEEE  
content, high dynamic range content, multilayer and multiview coding, and support for immersive media such as 360 • video.  ...  These include the standards known as High Efficiency Video Coding (HEVC) and Versatile Video Coding (VVC).  ...  Intra-picture prediction exploits the spatial redundancy that exists within a picture (hence "intra") by deriving the prediction for a block from already coded/decoded, spatially neighboring reference  ... 
doi:10.1109/jproc.2020.3043399 fatcat:u54gvwk2xnfbjhcusujudavaj4

Chroma Intra Prediction with attention-based CNN architectures [article]

Marc Górriz, Saverio Blasi, Alan F. Smeaton, Noel E. O'Connor, Marta Mrak
2020 arXiv   pre-print
Neural networks can be used in video coding to improve chroma intra-prediction.  ...  This paper proposes a new neural network architecture for cross-component intra-prediction.  ...  Among the fundamental blocks of typical video coding schemes, intra prediction exploits spatial redundancies within a frame by predicting samples of the current block from already reconstructed samples  ... 
arXiv:2006.15349v1 fatcat:m66ghbjewnbabof33l5swe4rwq

Overview of the Versatile Video Coding (VVC) Standard and its Applications

Benjamin Bross, Ye-Kui Wang, Yan Ye, Shan Liu, Jianle Chen, Gary J. Sullivan, Jens-Rainer Ohm
2021 IEEE transactions on circuits and systems for video technology 31(10)  
Versatile Video Coding (VVC) was finalized in July 2020 as the most recent international video coding standard.  ...  its predecessor for equal video quality, the High Efficiency Video Coding (HEVC) standard, and 75% over the currently most-used format, the Advanced Video Coding (AVC) standard.  ...  ACKNOWLEDGMENT The authors would like to thank the experts of ITU-T VCEG, ISO/IEC MPEG, and their ITU-T/ISO/IEC Joint Video Experts Team for their contributions, not only to the new VVC standard, but also  ... 
doi:10.18154/rwth-2021-10388 fatcat:eydbx5q63nhqph3xsvqywfqx7y

Overview of the Versatile Video Coding (VVC) Standard and its Applications

Benjamin Bross, Ye-Kui Wang, Yan Ye, Shan Liu, Jianle Chen, Gary J. Sullivan, Jens-Rainer Ohm
2021 IEEE transactions on circuits and systems for video technology (Print)  
Versatile Video Coding (VVC) was finalized in July 2020 as the most recent international video coding standard.  ...  its predecessor for equal video quality, the High Efficiency Video Coding (HEVC) standard, and 75% over the currently most-used format, the Advanced Video Coding (AVC) standard.  ...  ACKNOWLEDGEMENT The authors thank the experts of ITU-T VCEG, ISO/IEC MPEG, and their ITU-T/ISO/IEC Joint Video Experts Team for their contributions, not only to the new VVC standard, but also to a large  ... 
doi:10.1109/tcsvt.2021.3101953 fatcat:ntd52vthozg7hifyrvkk5jyh7m

Video Compression - From Concepts to the H.264/AVC Standard

G.J. Sullivan, T. Wiegand
2005 Proceedings of the IEEE  
In this paper, techniques for video compression are reviewed, starting from basic concepts.  ...  The rate-distortion performance of modern video compression schemes is the result of an interaction between motion representation techniques, intra-picture prediction techniques, waveform coding of differences  ...  In modern hybrid codecs, regions can be predicted using inter-picture prediction, and a spatial frequency transform is applied to the refinement regions and the Intra-coded regions.  ... 
doi:10.1109/jproc.2004.839617 fatcat:5xc36hv4afe3hcuomijsjmbg74

A two stage parallel encoder scheme for real time video encoder

Shengfu Dong, Zhihang Wang, Ronggang Wang, Zhenyu Wang, Wen Gao
2012 2012 IEEE International Conference on Signal Processing, Communication and Computing (ICSPCC 2012)  
Secondly, some modules in the hybrid video coding scheme, such as interpolation and loop filter, are split into independent modules that can be processed in parallel.  ...  Finally, fast algorithms suitable for this architecture are developed.  ...  Similar to H.264/AVC and MPEG-2 [10] , AVS adopts the hybrid video coding framework. The intra prediction technology is used in AVS to improve the intra frame compression efficiency.  ... 
doi:10.1109/icspcc.2012.6335734 fatcat:x4cru7dbsjbunkzinaeqt35cwu

A software decoder implementation for H.266/VVC video coding standard [article]

Bin Zhu, Shan Liu, Yuan Liu, Yi Luo, Jing Ye, Haiyan Xu, Ying Huang, Hualong Jiao, Xiaozhong Xu, Xianguo Zhang, Chenchen Gu
2020 arXiv   pre-print
Versatile Video Coding Standard (H.266/VVC) was completed by Joint Video Expert Team (JVET) of ITU-T and ISO/IEC, in July 2020.  ...  This new ITU recommendation/international standard is a successor to the well-known H.265/HEVC video coding standard with roughly doubled compression efficiency, but also at the cost of an increased computational  ...  H.266/VVC supports scalable coding in both spatial domain and temporal domain and provides screen content coding tools for the gaming and screen sharing applications.  ... 
arXiv:2012.02832v2 fatcat:apmosebekrhxxido2oembe6iua

Intra-Frame Coding Using a Conditional Autoencoder

Fabian Brand, Jurgen Seiler, Andre Kaup
2020 IEEE Journal on Selected Topics in Signal Processing  
In this paper, we derive the approach from the general formulation of the intra-prediction problem and introduce two extensions for spatial mode prediction and for chroma prediction support.  ...  Exploiting spatial redundancy in images is responsible for a large gain in the performance of image and video compression. The main tool to achieve this is called intra-frame prediction.  ...  neural networks for image and video coding.  ... 
doi:10.1109/jstsp.2020.3034768 fatcat:7bqhdb3kubbtzjq2buoniqscfa

Overview of the Screen Content Support in VVC: Applications, Coding Tools, and Performance

Tung Nguyen, Xiaozhong Xu, Felix Henry, Ru-Ling Liao, Mohammed Golam Sarwer, Marta Karczewicz, Yung-Hsuan Chao, Jizheng Xu, Shan Liu, Detlev Marpe, Gary J. Sullivan
2021 IEEE transactions on circuits and systems for video technology (Print)  
The emerging Versatile Video Coding (VVC) standard, in its first version, addresses this market change by the specification of low-level coding tools suitable for screen content.  ...  This is in contrast to its predecessor, the High Efficiency Video Coding (HEVC) standard, where highly efficient screen content support is only available in extension profiles of its version 4.  ...  Versatile Video Coding is the result of their joint efforts and contributions  ... 
doi:10.1109/tcsvt.2021.3074312 fatcat:ljin6mlxcrfy7oq4xzi4nshste

Overview of the Scalable Video Coding Extension of the H.264/AVC Standard

H. Schwarz, D. Marpe, T. Wiegand
2007 IEEE transactions on circuits and systems for video technology (Print)  
Moreover, the basic tools for providing temporal, spatial, and quality scalability are described in detail and experimentally analyzed regarding their efficiency and complexity.  ...  With the introduction of the H.264/AVC video coding standard, significant improvements have recently been demonstrated in video compression capability.  ...  ACKNOWLEDGMENT The authors would like to thank the experts of the Joint Video Team of ISO/IEC MPEG and ITU-T VCEG for their contributions and fruitful discussions.  ... 
doi:10.1109/tcsvt.2007.905532 fatcat:42cjeuogpjgvphmswp4zji432y

Flexible distribution of complexity by hybrid predictive-distributed video coding

Jürgen Slowack, Jozef Škorupa, Stefaan Mys, Peter Lambert, Christos Grecos, Rik Van de Walle
2010 Signal processing. Image communication  
Abstract There is currently limited flexibility for distributing complexity in a video coding system.  ...  To offer more flexibility for video applications involving multi-tasking or battery-constrained devices, in this paper, we propose a codec combining predictive video coding concepts and techniques from  ...  Acknowledgements The research activities that are described in this paper were funded by Ghent University, the Interdisciplinary Institute for Broadband Technology (IBBT), the Institute for the Promotion  ... 
doi:10.1016/j.image.2009.12.002 fatcat:g2rqdf7fqzfvxogeytk2k7zbge
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