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Rank-order based description of colour rendering: definition, observer variability and validation

Khanh, Tran Quoc and Bodrogi, Peter Zsolt and Brückner, Stefan :
Rank-order based description of colour rendering: definition, observer variability and validation.
In: CIE 2010 "Lighting Quality & Energy Efficiency", 17.März 2010, Wien. Wien
[Conference or Workshop Item] , (2010)

Abstract

From the predicted ordinal ratings of the colour differences of 17 test-colour samples under the test light source and the reference light source (excellent, good, acceptable, not acceptable, very bad), an ordinal rating scale based colour rendering index (RCRI) was defined. The inter-observer variability of the visual colour differences was analyzed in each rating category. To validate RCRI, the result of a visual experiment with a complex still life arrangement of real objects (assessing the colour quality dimensions of fidelity, harmony, acceptability, visual clarity and brightness) is presented. Certain dimensions were related to colour fidelity but other dimensions were not.

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Khanh, Tran Quoc and Bodrogi, Peter Zsolt and Brückner, Stefan
Title: Rank-order based description of colour rendering: definition, observer variability and validation
Language: English
Abstract:

From the predicted ordinal ratings of the colour differences of 17 test-colour samples under the test light source and the reference light source (excellent, good, acceptable, not acceptable, very bad), an ordinal rating scale based colour rendering index (RCRI) was defined. The inter-observer variability of the visual colour differences was analyzed in each rating category. To validate RCRI, the result of a visual experiment with a complex still life arrangement of real objects (assessing the colour quality dimensions of fidelity, harmony, acceptability, visual clarity and brightness) is presented. Certain dimensions were related to colour fidelity but other dimensions were not.

Volume: 2010
Place of Publication: Wien
Uncontrolled Keywords: ordinal rating, colour differences, colour rendering index, RCRI, colour quality
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Light Technology
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design
18 Department of Electrical Engineering and Information Technology
Event Title: CIE 2010 "Lighting Quality & Energy Efficiency"
Event Location: Wien
Event Dates: 17.März 2010
Date Deposited: 29 Oct 2010 12:30
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