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VISUAL EXPERIMENTS ON COLOUR HARMONY:A FORMULA AND A RENDERING INDEX

VISUAL EXPERIMENTS ON COLOUR HARMONY:A FORMULA AND A RENDERI...

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26th Session of the CIE

作者： Ferenc Szabó István Zilizi Peter Bodrogi jános schanda University of Pannonia Veszprém Hungary University of Pannonia Veszprém Hungary University of Pannonia Veszprém Hungary University of Pannonia Veszprém Hungary

＜正＞We investigated colour harmony in a series of psycho-physical experiments simulating the appearance of test colour samples on a well-characterized and well-calibrated CRT monitor with two and three colour *** results of scaled colour harmony were analyzed *** on this analysis,we present a new colour harmony formula（CHF）.Certain light sources tend to distort the perception of colour *** characterize a test light source by the extent of distortion of perceived colour harmony for certain test colour sample combinations that are harmonious under the reference light *** suggest a harmony rendering index（HRI）quantifying the change of the value of CHF for certain test colour sample combinations if these combinations are viewed under the test light source instead of the reference light *** HRI may supplement the current CIE colour rendering index.

关键词： colour harmony CRT simulation colour harmony rendering colour rendering colour quality

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LIGHT SOURCE QUALITY ASSESSMENT

LIGHT SOURCE QUALITY ASSESSMENT

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26th Session of the CIE

作者： schanda,j. Madáar,G. University of Pannonia Hungary University of Pannonia Hungary

＜正＞Light sources are traditionally characterized by their efficacy,correlated colour temperature and general colour rendering index,*** the introduction of new light sources,especially light emitting diodes（LEDs）,several papers questioned the usefulness of the CRI,but no good alternative solution has been proposed up to *** present paper describes a new method to evaluate the colour reproducing quality of a light source using visual assessment *** correlation of the visual assessment correlates poorly with the traditional colour rendering index.

关键词： colour rendering colour quality of light sources

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OPTIMIZING SPECTRAL POWER DISTRIBUTION OF CAR HEADLAMP LIGHTING

OPTIMIZING SPECTRAL POWER DISTRIBUTION OF CAR HEADLAMP LIGHT...

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26th Session of the CIE

作者： Fekete,judit Várady,Géza Sik-Lányi,Cecilia schanda,jáanos University of Pecs Faculty of Health Sciences Hungary University of Pecs Pollack Mihaly Faculty of Engineering Hungary University of Pannonia Hungary University of Pannonia Hungary

＜正＞There are very few investigations on best spectrum for mesopic visibility and even less data on the spectrum of discomfort *** have studied these two perceptions and came to the conclusion,that it is not enough to optimise for the combined photopic and scotopic luminosity functions but the chromatic components have to be taken into consideration too. In this paper investigations to determine optimum SPD for mesopic conditions providing good visibility and low glare will be described.

关键词： glare visibility night-time driving mesopic vision spectral sensitivity

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