| Paper Abstract and Keywords |
| Presentation |
2016-03-11 11:20
Comparison of Coding Performance between Hybrid Log-Gamma system and Perceptual Quantizer system
Shunsuke Iwamura, Atsuro Ichigaya, Yukihiro Nishida (NHK) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper addresses comparison of coding performance of Hybrid Log-Gamma (HLG) system and Perceptual Quantizer (PQ) system, which are both adopted for ultra-high definition television broadcasting services. For comparing coding performance between different HDR video formats, we conducted objective quality evaluation using delta-E measurement in CIE 1976 L*a*b* color space. The experimental results show that coding artifacts of HLG system in terms of delta E are less than those of PQ system for almost all the test sequences used. Additionally, color artifacts in PQ system were observed, which were caused by signal conversion and strong non-linearity of transfer characteristics. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
High dynamic range / Hybrid Log-Gamma (HLG) / Perceptual Quantizer (PQ) / HEVC / L*a*b* color space / / / |
| Reference Info. |
ITE Tech. Rep., vol. 40, no. 14, BCT2016-36, pp. 9-12, March 2016. |
| Paper # |
BCT2016-36 |
| Date of Issue |
2016-03-04 (BCT) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
|
| Conference Information |
| Committee |
BCT IEEE-BT |
| Conference Date |
2016-03-11 - 2016-03-11 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Nobumoto Ohama Memorial Hall |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
BCT |
| Conference Code |
2016-03-BCT-BT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Comparison of Coding Performance between Hybrid Log-Gamma system and Perceptual Quantizer system |
| Sub Title (in English) |
|
| Keyword(1) |
High dynamic range |
| Keyword(2) |
Hybrid Log-Gamma (HLG) |
| Keyword(3) |
Perceptual Quantizer (PQ) |
| Keyword(4) |
HEVC |
| Keyword(5) |
L*a*b* color space |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Shunsuke Iwamura |
| 1st Author's Affiliation |
Japan Broadcasting Corporation (NHK) |
| 2nd Author's Name |
Atsuro Ichigaya |
| 2nd Author's Affiliation |
Japan Broadcasting Corporation (NHK) |
| 3rd Author's Name |
Yukihiro Nishida |
| 3rd Author's Affiliation |
Japan Broadcasting Corporation (NHK) |
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| Speaker |
Author-1 |
| Date Time |
2016-03-11 11:20:00 |
| Presentation Time |
25 minutes |
| Registration for |
BCT |
| Paper # |
BCT2016-36 |
| Volume (vol) |
vol.40 |
| Number (no) |
no.14 |
| Page |
pp.9-12 |
| #Pages |
4 |
| Date of Issue |
2016-03-04 (BCT) |