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The Computer Journal Advance Access published online on June 24, 2005
The Computer Journal, doi:10.1093/comjnl/bxh112
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© The Author 2005. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oupjournals.org
Received February 3, 2005
Revised March 31, 2005

Article

Complexity Estimation of the H.264 Coded Video Bitstreams

Hari Kalva 1* and Borko Furht 1

1 Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL 33431, USA

* To whom correspondence should be addressed.
Hari Kalva, E-mail: hari{at}cse.fau.edu


  Abstract

The emerging H.264 video coding standard offers a flexible coding algorithm for use in a range of applications from broadcast TV to low bitrate mobile applications. The flexibility comes with complexity. The H.264 video coding algorithm is complex and requires substantial amount of resources for encoding and decoding. The resources required to decode an H.264 video varies depending upon the encoding options used. Understanding the resources required to play the video at the receiver is especially important for mobile devices with limited amount of resources. In this paper, we present an overview of the H.264 video coding standard, complexity analysis of H.264 video, and its implications for resource management and adaptive coding for mobile devices. We examine high level bitstream characteristics and its suitability for estimating the bitstream complexity and receiver resource consumption. We show that high level metrics can be used to estimate receiver resource consumption with reasonable accuracy.


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