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Decoding-workload-aware video encoding

Published: 28 May 2008 Publication History

Abstract

This paper presents a novel decoding-workload-aware video encoding scheme. It takes raw video data and decoding workload constraint of a mobile client as input and generates a video bitstream which matches such a constraint while striving to achieve the best video quality. For a given constraint, the best overall video quality of the encoded bitstream is selected with a tradeoff between spatial and temporal distortions. The main contributions of this paper include: 1) the proposal of an efficient scheme which selects the most suitable target frame rate before the actual encoding; 2) The design of a workload control (analogous to the rate control) scheme which ensures an accurate control of the decoding workload when the bitstream is generated using the proposed encoding scheme. Experimental results demonstrate the feasibility and performance of the proposed scheme.

References

[1]
Y. Huang, V. Tran, Y. Wang, "A Workload Predication Model for Decoding MPEG Video and its Application to Workload-scalable Transcoding", ACM Multimedia Conference, pp. 952--961, September, 2007.
[2]
M. Bonuccelli, F. Lonetti, F. Martelli, "Temporal Transcoding for Mobile Video Communication", the second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services, pp. 18--29, March, 2005.
[3]
K. Ngan, T. Meier, Z. Cheng, "Improved Single-video Object Rate Control for MPEG-4", Circuits and Systems for Video Technology, IEEE Transactions on, pp. 385--393, May, 2003.
[4]
http://tcpmp.corecodec.org.
[5]
T. Austin, E. Larson, D. Ernst, "Simplescalar:An infrastructure for computer system modeling", IEEE Computer, pp. 59--67, 2002.

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Published In

cover image ACM Conferences
NOSSDAV '08: Proceedings of the 18th International Workshop on Network and Operating Systems Support for Digital Audio and Video
May 2008
145 pages
ISBN:9781605581576
DOI:10.1145/1496046
  • Program Chairs:
  • Carsten Griwodz,
  • Lars Wolf
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 28 May 2008

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Author Tags

  1. frame rate selection
  2. video encoding
  3. workload control

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  • Research-article

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NOSSDAV '08
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Overall Acceptance Rate 118 of 363 submissions, 33%

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