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2014 | OriginalPaper | Chapter

9. Compression Performance Analysis in HEVC

Authors : Ali Tabatabai, Teruhiko Suzuki, Philippe Hanhart, Pavel Korshunov, Touradj Ebrahimi, Michael Horowitz, Faouzi Kossentini, Hassene Tmar

Published in: High Efficiency Video Coding (HEVC)

Publisher: Springer International Publishing

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Abstract

In this chapter, performance analysis of HEVC (Recommendation ITU-T H.265 | ISO/IEC 23008-2) in comparison with AVC (Recommendation ITU-T H.264 | ISO/IEC 14996-10) in terms of both objective as well as subjective quality assessments are given. Because of the increased flexibility offered by HEVC, methods to select the best coding parameters, in a rate-distortion sense, are also described. Special care has been taken to apply a unified approach when conducting subjective and objective quality evaluation between HEVC and AVC. Our overall evaluation study results show the coding efficiency of HEVC to be about twice higher than that of AVC.

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previous chapter Entropy Coding in HEVC
next chapter Decoder Hardware Architecture for HEVC
Footnotes
1
These fix values are pre-determined and they depend on PU size.
 
2
The horizontal cropping removed one half of the pixels so as to enable both the HEVC and AVC encoded sequences to be displayed side-by-side on the 3840 pixel-wide 4K monitor.
 
3
A 5° scale was selected for this study in lieu of more commonly used 7° and 3° scales, because it is known to work well to prioritize video quality improvement work during commercial encoder development.
 
4
The 69.4 % result was derived by summing the selection counts in the HEVC B, HEVC SB and NP columns of Table 9.12 and dividing by the total number of selection counts.
 
5
The earlier studies also used earlier versions of the HEVC draft standard and a slightly different evaluation methodology.
 
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Metadata
Title
Compression Performance Analysis in HEVC
Authors
Ali Tabatabai
Teruhiko Suzuki
Philippe Hanhart
Pavel Korshunov
Touradj Ebrahimi
Michael Horowitz
Faouzi Kossentini
Hassene Tmar
Copyright Year
2014
Book
High Efficiency Video Coding (HEVC)

Print ISBN: 978-3-319-06894-7

Electronic ISBN: 978-3-319-06895-4

Copyright Year: 2014

DOI
https://doi.org/10.1007/978-3-319-06895-4_9