IEEE Consumer Electronics Magazine - May 2018 - 47

Pairs (A-B)

1
P10-P00

0.40

0.37

0.67

0.58

P11-P00

0.54

0.63

0.46

0.61

P12-P00

0.45

0.44

0.40

0.35

P30-P20

0.49

0.54

0.57

0.56

P31-P20

0.64

0.61

0.46

0.53

P32-P20

0.59

0.51

0.43

0.48

R1

R2

R3

R4

0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0

FIgure 8. The preference probability matrix for each bit rate and
for each investigated condition proponent versus the anchor.

noticeably preferred over nonreshaped signals for all bit rate
for both color spaces. Finally, reducing the bit rate by 20%
while preserving the perceived quality is an overestimation of
the reshapers' capability to improve compression efficiency.

AckNOwledgMeNT
The work behind this article was made possible thanks to the
European Union's Horizon 2020 research and innovation
program under the Marie Sklodowska-Curie grant agreement Number 643072-Network QoE-Net, and Innovation
Action immersiaTV. We especially acknowledge funding
received for these projects from the Swiss State Secretariat
for Education, Research, and Innovation. The achieved work
is also due to the following individuals: David Brooks and
Sherif Gallab as well as Taoran Lu and Peng Yin, from
Dolby, who prepared the content, shared their technical knowledge and solutions, and provided the material needed to conduct the experiments.

ABOuT The AuThOrS
Anne-Flore Perrin (anne-flore.perrin@epfl.ch) is with École
Polytechnique Fédérale de Lausanne, Multimedia Signal Processing Group, Switzerland.
ˇ erˇábek (martin.rerabek@epfl.ch) is with École
Martin R
Polytechnique Fédérale de Lausanne, Multimedia Signal Processing Group, Switzerland.
Walt Husak (WJH@dolby.com) is with Dolby Laboratories, Inc., United States.
Touradj Ebrahimi (touradjebrahimi@epfl.ch) is with
École Polytechnique Fédérale de Lausanne, Multimedia Signal Processing Group, Switzerland.

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may 2018

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IEEE Consumer Electronics Magazine

47
https://www.dolby.com/us/en/technologies/dolby-vision/dolby-vision-white-paper.pdf https://www.dolby.com/us/en/technologies/dolby-vision/dolby-vision-white-paper.pdf https://www.dolby.com/us/en/technologies/dolby-vision/ictcp-white-paper.pdf https://www.dolby.com/us/en/technologies/dolby-vision/ictcp-white-paper.pdf
Table of Contents for the Digital Edition of IEEE Consumer Electronics Magazine - May 2018
