Graphics Reference
In-Depth Information
Chapter 9
Compression Performance Analysis in HEVC
Ali Tabatabai, Teruhiko Suzuki, Philippe Hanhart, Pavel Korshunov,
Touradj Ebrahimi, Michael Horowitz, Faouzi Kossentini, and Hassene Tmar
Abstract
In this chapter, performance analysis of HEVC (Recommendation ITU-T
H.265
j
ISO/IEC 23008-2) in comparison with AVC (Recommendation ITU-T
H.264
j
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.
9.1
Performance Analysis
Performance analysis of HEVC is in general a complex undertaking since it can
be conducted in number of different ways based on, for example, compression
efficiency, complexity, visual quality, application of rate distortion optimization
(RDO), delay, robustness, etc. The goal of this chapter is to present HEVC compres-
sion efficiency in comparison with AVC both in terms of objective and subjective
quality assessments while taking into account some aspects of complexity, RDO,
A. Tabatabai T. Suzuki (
)
Sony Corporation, Tokyo, Japan
P. Hanhart P. Korshunov T. Ebrahimi
Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
M. Horowitz F. Kossentini H. Tmar
eBrisk Video, Inc., Vancouver, BC, Canada
