Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics

In the quality evaluation of high dynamic range and wide color gamut (HDR/WCG) images, a number of works have concluded that native HDR metrics, such as HDR visual difference predictor (HDR-VDP), HDR video quality metric (HDR-VQM), or convolutional neural network (CNN)-based visibility metrics for H...

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Autores: Sugito, Yasuko|||0000-0002-7549-1073, Vazquez-Corral, Javier|||0000-0003-0414-7096, Canham, Trevor|||0000-0003-4830-4786, Bertalmío, Marcelo|||0000-0002-1023-8325
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:302242
Acceso en línea:https://ddd.uab.cat/record/302242
https://dx.doi.org/urn:doi:10.1109/TIP.2022.3190706
Access Level:acceso abierto
Palabra clave:High dynamic range (HDR)
Image coding
Objective quality metric
Visual perception
Wide color gamut (WCG)
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spelling Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR MetricsSugito, Yasuko|||0000-0002-7549-1073Vazquez-Corral, Javier|||0000-0003-0414-7096Canham, Trevor|||0000-0003-4830-4786Bertalmío, Marcelo|||0000-0002-1023-8325High dynamic range (HDR)Image codingObjective quality metricVisual perceptionWide color gamut (WCG)In the quality evaluation of high dynamic range and wide color gamut (HDR/WCG) images, a number of works have concluded that native HDR metrics, such as HDR visual difference predictor (HDR-VDP), HDR video quality metric (HDR-VQM), or convolutional neural network (CNN)-based visibility metrics for HDR content, provide the best results. These metrics consider only the luminance component, but several color difference metrics have been specifically developed for, and validated with, HDR/WCG images. In this paper, we perform subjective evaluation experiments in a professional HDR/WCG production setting, under a real use case scenario. The results are quite relevant in that they show, firstly, that the performance of HDR metrics is worse than that of a classic, simple standard dynamic range (SDR) metric applied directly to the HDR content; and secondly, that the chrominance metrics specifically developed for HDR/WCG imaging have poor correlation with observer scores and are also outperformed by an SDR metric. Based on these findings, we show how a very simple framework for creating color HDR metrics, that uses only luminance SDR metrics, transfer functions, and classic color spaces, is able to consistently outperform, by a considerable margin, state-of-the-art HDR metrics on a varied set of HDR content, for both perceptual quantization (PQ) and Hybrid Log-Gamma (HLG) encoding, luminance and chroma distortions, and on different color spaces of common use. 22022-01-0120222022-01-01Articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/302242https://dx.doi.org/urn:doi:10.1109/TIP.2022.3190706reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengEuropean Commission https://doi.org/10.13039/501100000780 952027Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2021-128178OB-I00open accesshttp://purl.org/coar/access_right/c_abf2Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.https://rightsstatements.org/vocab/InC/1.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:3022422026-06-06T12:50:31Z
dc.title.none.fl_str_mv Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
title Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
spellingShingle Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
Sugito, Yasuko|||0000-0002-7549-1073
High dynamic range (HDR)
Image coding
Objective quality metric
Visual perception
Wide color gamut (WCG)
title_short Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
title_full Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
title_fullStr Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
title_full_unstemmed Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
title_sort Image Quality Evaluation in Professional HDR/WCG Production Questions the Need for HDR Metrics
dc.creator.none.fl_str_mv Sugito, Yasuko|||0000-0002-7549-1073
Vazquez-Corral, Javier|||0000-0003-0414-7096
Canham, Trevor|||0000-0003-4830-4786
Bertalmío, Marcelo|||0000-0002-1023-8325
author Sugito, Yasuko|||0000-0002-7549-1073
author_facet Sugito, Yasuko|||0000-0002-7549-1073
Vazquez-Corral, Javier|||0000-0003-0414-7096
Canham, Trevor|||0000-0003-4830-4786
Bertalmío, Marcelo|||0000-0002-1023-8325
author_role author
author2 Vazquez-Corral, Javier|||0000-0003-0414-7096
Canham, Trevor|||0000-0003-4830-4786
Bertalmío, Marcelo|||0000-0002-1023-8325
author2_role author
author
author
dc.subject.none.fl_str_mv High dynamic range (HDR)
Image coding
Objective quality metric
Visual perception
Wide color gamut (WCG)
topic High dynamic range (HDR)
Image coding
Objective quality metric
Visual perception
Wide color gamut (WCG)
description In the quality evaluation of high dynamic range and wide color gamut (HDR/WCG) images, a number of works have concluded that native HDR metrics, such as HDR visual difference predictor (HDR-VDP), HDR video quality metric (HDR-VQM), or convolutional neural network (CNN)-based visibility metrics for HDR content, provide the best results. These metrics consider only the luminance component, but several color difference metrics have been specifically developed for, and validated with, HDR/WCG images. In this paper, we perform subjective evaluation experiments in a professional HDR/WCG production setting, under a real use case scenario. The results are quite relevant in that they show, firstly, that the performance of HDR metrics is worse than that of a classic, simple standard dynamic range (SDR) metric applied directly to the HDR content; and secondly, that the chrominance metrics specifically developed for HDR/WCG imaging have poor correlation with observer scores and are also outperformed by an SDR metric. Based on these findings, we show how a very simple framework for creating color HDR metrics, that uses only luminance SDR metrics, transfer functions, and classic color spaces, is able to consistently outperform, by a considerable margin, state-of-the-art HDR metrics on a varied set of HDR content, for both perceptual quantization (PQ) and Hybrid Log-Gamma (HLG) encoding, luminance and chroma distortions, and on different color spaces of common use.
publishDate 2022
dc.date.none.fl_str_mv 2
2022-01-01
2022
2022-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/302242
https://dx.doi.org/urn:doi:10.1109/TIP.2022.3190706
url https://ddd.uab.cat/record/302242
https://dx.doi.org/urn:doi:10.1109/TIP.2022.3190706
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.relation.none.fl_str_mv European Commission https://doi.org/10.13039/501100000780 952027
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PID2021-128178OB-I00
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://rightsstatements.org/vocab/InC/1.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
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https://rightsstatements.org/vocab/InC/1.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
collection Dipòsit Digital de Documents de la UAB
repository.name.fl_str_mv
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