H.265/HEVC Video Coding over Lossy Networks: Flexible or Fixed Mode in One CTU?

Taiyu Wang; Fan Li; Pamela C. Cosman

doi:10.1109/ACCESS.2018.2879867

H.265/HEVC Video Coding over Lossy Networks: Flexible or Fixed Mode in One CTU?

Taiyu Wang
, Fan Li
, Pamela C. Cosman

电子与信息学部

Xi'an Jiaotong University
University of California at San Diego

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

Flexible mode selection in one CTU, as one of the new technologies in H.265/HEVC video coding, can attain a high compression ratio. However, it may decrease the end-to-end PSNR for video communication over lossy networks. In this paper, we analyze the flexible prediction mode for the CTU in H.265/HEVC and find it causes more error propagation than fixed prediction mode in sub-pixel interpolation. Then, fixed mode-based error resilient encoding (FERE) is proposed to decrease the influence of error propagation. Experimental results show that the proposed FERE algorithm improves video quality by up to 5.56 dB compared with the baseline algorithms.

源语言	英语
文章编号	8541130
页（从-至）	71279-71284
页数	6
期刊	IEEE Access
卷	6
DOI	https://doi.org/10.1109/ACCESS.2018.2879867
出版状态	已出版 - 2018

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title = "H.265/HEVC Video Coding over Lossy Networks: Flexible or Fixed Mode in One CTU?",

abstract = "Flexible mode selection in one CTU, as one of the new technologies in H.265/HEVC video coding, can attain a high compression ratio. However, it may decrease the end-to-end PSNR for video communication over lossy networks. In this paper, we analyze the flexible prediction mode for the CTU in H.265/HEVC and find it causes more error propagation than fixed prediction mode in sub-pixel interpolation. Then, fixed mode-based error resilient encoding (FERE) is proposed to decrease the influence of error propagation. Experimental results show that the proposed FERE algorithm improves video quality by up to 5.56 dB compared with the baseline algorithms.",

keywords = "Error resilience, H.265/HEVC, rate-distortion optimization, video coding",

author = "Taiyu Wang and Fan Li and Cosman, \{Pamela C.\}",

note = "Publisher Copyright: {\textcopyright} 2013 IEEE.",

year = "2018",

doi = "10.1109/ACCESS.2018.2879867",

language = "英语",

volume = "6",

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T1 - H.265/HEVC Video Coding over Lossy Networks

T2 - Flexible or Fixed Mode in One CTU?

AU - Wang, Taiyu

AU - Li, Fan

AU - Cosman, Pamela C.

PY - 2018

Y1 - 2018

N2 - Flexible mode selection in one CTU, as one of the new technologies in H.265/HEVC video coding, can attain a high compression ratio. However, it may decrease the end-to-end PSNR for video communication over lossy networks. In this paper, we analyze the flexible prediction mode for the CTU in H.265/HEVC and find it causes more error propagation than fixed prediction mode in sub-pixel interpolation. Then, fixed mode-based error resilient encoding (FERE) is proposed to decrease the influence of error propagation. Experimental results show that the proposed FERE algorithm improves video quality by up to 5.56 dB compared with the baseline algorithms.

AB - Flexible mode selection in one CTU, as one of the new technologies in H.265/HEVC video coding, can attain a high compression ratio. However, it may decrease the end-to-end PSNR for video communication over lossy networks. In this paper, we analyze the flexible prediction mode for the CTU in H.265/HEVC and find it causes more error propagation than fixed prediction mode in sub-pixel interpolation. Then, fixed mode-based error resilient encoding (FERE) is proposed to decrease the influence of error propagation. Experimental results show that the proposed FERE algorithm improves video quality by up to 5.56 dB compared with the baseline algorithms.

KW - Error resilience

KW - H.265/HEVC

KW - rate-distortion optimization

KW - video coding

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ER -

H.265/HEVC Video Coding over Lossy Networks: Flexible or Fixed Mode in One CTU?

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