Error Resilient Video Coding Using Flexible Reference Frames
LinkedIn Reddit Download Full-text PDF Error Resilient Video Coding Using Redundant PicturesArticle (PDF Available) in IEEE Transactions on Circuits and Systems for Video Technology 19(1):3 - 14 · February 2009 with 123 ReadsDOI: 10.1109/TCSVT.2008.2005802 · Source: IEEE Xplore1st Chunbo Zhu4.85 · University of Science and Technology of China2nd Ye-Kui Wang19.67 · Qualcomm3rd Miska Hannuksela29.41 · Nokia Technologies4th Houqiang Li31.86 · University of Science and Technology of ChinaAbstractThis paper presents several error resilient video coding methods based on redundant pictures. We combine redundant picture coding with reference picture selection and reference picture list reordering to prevent error propagation in motion compensated video coding. A hierarchical redundant picture allocation method is employed to make a tradeoff between error resilience and coding efficiency. For improved end-to-end rate-distortion performance in packet loss environment, three adaptive redundant picture allocation methods are further developed, utilizing characteristics of the input video content. Simulation results show that the adaptive redundant picture coding methods can achieve average luma peak-signal-to-noise improvements up to 3.5 dB compared to the loss-aware rate distortion optimized intra macroblock refresh algorithm implemented in the H.264/AVC Joint Model (JM). The proposed redundant picture coding methods are standard-compliant and do not introduce any additional end-to-end delay, therefore suit for low-delay applications such as video telephony and video conferencing. Due to the good error resilience performance, some of the proposed redundant picture coding methods have been adopted and integrated into the JM.Discover the world's research10+ million members100+ million publications100k+ research project
flexible reference frames Authors:Wang, Ye-Kui; Zhu, Chunbo; Li, Houqiang Affiliation:AA(Nokia Research Ctr. (Finland)), AB(University of Science and Technology of China (China)), AC(University of Science and Technology of China (China)) Publication:Visual Communications and Image Processing 2005. Edited by Li, Shipeng; Pereira, Fernando; Shum, Heung-Yeung; Tescher, Andrew G. Proceedings of the SPIE, Volume 5960, pp. 691-702 (2005). (SPIE Homepage) Publication Date:07/2005 Origin:SPIE DOI:10.1117/12.632524 Bibliographic Code:2005SPIE.5960..691W Abstract Conventional video coding techniques make use of the most recently decoded reference frame(s) for motioncompensated inter prediction. However, it has https://www.researchgate.net/publication/224329954_Error_Resilient_Video_Coding_Using_Redundant_Pictures been shown that to allow using reference frames in a flexible way such that not only the latest reference frames are used is beneficial. A typical use of flexible reference frame is feedback based reference picture selection, wherein error-free reference frames available in both the encoder and decoder sides are selected and used for inter prediction reference. This paper http://adsabs.harvard.edu/abs/2005SPIE.5960..691W first overviews support of reference picture selection in different video coding standards, and then presents three specific feedback based reference picture selection methods using flexible reference frames. In addition, a novel simple reference frame management method that enables using of flexible reference frame is proposed. The reference frame management method enables much simpler video codec implementations compared to the complex reference frame management methods in H.263 Annex U and H.264/AVC. The proposed coding methods and some conventional methods are compared with each other. Simulation results show significantly improved error resiliency performance of the proposed reference picture selection methods compared to conventional methods. The effect on the performance imposed by feedback delay variation is also shown. Thanks to the merits, support of flexible reference frame and the reference frame management has been adopted to the AVS-M video coding standard. Bibtex entry for this abstractPreferred format for this abstract (see Preferences) Find Similar Abstracts: Use: Authors Title Abstract Text Return: Query Results Return items starting with number Query Form Database: Astronomy Physics arXiv e-prints
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