Study of various metrics evaluating color quality of light sources

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Bhusal, Pramod
dc.contributor.author Baniya, Rupak Raj
dc.date.accessioned 2012-09-20T06:22:55Z
dc.date.available 2012-09-20T06:22:55Z
dc.date.issued 2012
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/5176
dc.description.abstract CIE (Commission Internationale del Eclairage) color rendering index (CRI) is the only internationally recognized and widely used metric to assess color rendering abilities of light sources. Despite its simplicity, CIE CRI has many shortcomings. These include outdated color space and outdated chromatic adaptation formula. CIE established technical committees several times to tackle the problems with CIE CRI. However, every committee was closed in five to ten years as they could not find a solution that every member would agree upon. One such committee formed by CIE in 2006 is CIE TC 1-69 (Color Rendition by White Light Sources). The aim of CIE TC 1-69 is to recommend new assessment procedures for assessing the color rendition properties of white-light source used for illumination. A wide variety of approaches have been proposed. Till now nine metrics have been submitted to CIE TC 1-69. Some of the proposed metrics address specific aspect of color rendition while other metrics try to intregate more than one aspects of color rendition. CIE is in the process of developing and recommending a new final metric. This work provides walk-through of various metrics to evaluate color quality of light sources. Altogether fourteen different metrics are discussed. This work also discusses how the new metrics will solve the limitations of CIE CRI. en
dc.format.extent 77 s.
dc.format.mimetype application/pdf
dc.language.iso en en
dc.title Study of various metrics evaluating color quality of light sources en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.department Elektroniikan laitos fi
dc.subject.keyword color quality en
dc.subject.keyword color rendition en
dc.subject.keyword color rendering index en
dc.identifier.urn URN:NBN:fi:aalto-201209213113
dc.type.dcmitype text en
dc.programme.major Valaistustekniikka fi
dc.programme.mcode S-118
dc.type.ontasot Diplomityö fi
dc.type.ontasot Master's thesis en
dc.contributor.supervisor Halonen, Liisa
dc.location P1 fi


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