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dc.contributor.author
Wienold, Jan
dc.contributor.author
Iwata, T.
dc.contributor.author
Sarey Khanie, M.
dc.contributor.author
Erell, Evyatar
dc.contributor.author
Kaftan, E.
dc.contributor.author
Rodriguez, Roberto Germán
dc.contributor.author
Yamin Garretón, Julieta Alejandra
dc.contributor.author
Tzempelikos, T.
dc.contributor.author
Konstantzos, I.
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Christoffersen, J.
dc.contributor.author
Kuhn, T. E.
dc.contributor.author
Pierson, Clotilde
dc.contributor.author
Andersen, M.
dc.date.available
2020-05-12T17:40:51Z
dc.date.issued
2019-03-14
dc.identifier.citation
Wienold, Jan; Iwata, T.; Sarey Khanie, M.; Erell, Evyatar; Kaftan, E.; et al.; Cross-validation and robustness of daylight glare metrics; Sage Publications Ltd; Lighting Research & Technology; 51; 7; 14-3-2019; 983-1013
dc.identifier.issn
1477-1535
dc.identifier.uri
http://hdl.handle.net/11336/104899
dc.description.abstract
This study evaluates the performance and robustness of 22 established and newly proposed glare prediction metrics. Experimental datasets of daylight-dominated workplaces in office-like test rooms were collected from studies by seven research groups in six different locations (Argentina, Denmark, Germany, Israel, Japan and the United States). The variability in experimental setups, locations and research teams allowed reliable evaluation of the performance and robustness of glare metrics for daylight-dominated workplaces. Independent statistical methods were applied to individual datasets and also to one combined dataset to evaluate the performance and robustness of the 22 glare metrics. As performance and robustness are not established in literature, we defined performance as: (1) the ability of the metric value to describe the glare scale (evaluated by Spearman rank correlation), and (2) the ability of the metric to distinguish between disturbing and non-disturbing situations (evaluated by diagnostic receiver operating characteristic curve analysis tests). Furthermore, we defined robustness as the ability of a metric to deliver meaningful results when applied to different datasets and to fail as few as possible statistical tests. Average Spearman rank correlation coefficients in the range of 0.55?0.60 as well as average prediction rates to distinguish between disturbing and nondisturbing glare of 70?75% for several of the metrics indicate their reliability. The results also show that metrics considering the saturation effect as a main input in their equation perform better and are more robust in daylight-dominated workplaces than purely contrast-based metrics or purely empirical metrics. In this study, the daylight glare probability (DGP) delivered the highest performance amongst the tested metrics and was also found to be the most robust. Future research should aim to optimise the terms of glare equations which combine contrast and saturation effects, such as DGP, PGSV or UGRexp, to achieve metrics that also perform reliably in dimmer lighting conditions than the ones explored in this study.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Sage Publications Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CROSS-VALIDATION
dc.subject
DISCOMFORT GLARE
dc.subject
DAYLIGHT
dc.subject.classification
Otras Ingenierías y Tecnologías
dc.subject.classification
Otras Ingenierías y Tecnologías
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Cross-validation and robustness of daylight glare metrics
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-04-22T13:28:55Z
dc.identifier.eissn
1477-0938
dc.journal.volume
51
dc.journal.number
7
dc.journal.pagination
983-1013
dc.journal.pais
Estados Unidos
dc.journal.ciudad
London
dc.description.fil
Fil: Wienold, Jan. École Polytechnique Fédérale de Lausanne; Suiza
dc.description.fil
Fil: Iwata, T.. Tokai University; Japón
dc.description.fil
Fil: Sarey Khanie, M.. Technical University of Denmark; Dinamarca
dc.description.fil
Fil: Erell, Evyatar. Ben Gurion University of the Negev; Israel
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Fil: Kaftan, E.. Ben Gurion University of the Negev; Israel
dc.description.fil
Fil: Rodriguez, Roberto Germán. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; Argentina
dc.description.fil
Fil: Yamin Garretón, Julieta Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Ambiente, Hábitat y Energía; Argentina
dc.description.fil
Fil: Tzempelikos, T.. Purdue University; Estados Unidos
dc.description.fil
Fil: Konstantzos, I.. University of Nebraska; Estados Unidos
dc.description.fil
Fil: Christoffersen, J.. Velux A/s; Dinamarca
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Fil: Kuhn, T. E.. Fraunhofer Institute For Solar Energy Systems; Alemania
dc.description.fil
Fil: Pierson, Clotilde. Universitee Catholique de Louvain; Bélgica
dc.description.fil
Fil: Andersen, M.. Franhofer Institte For Solar Energy Systems; Alemania
dc.journal.title
Lighting Research & Technology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/10.1177/1477153519826003
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1177/1477153519826003
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