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Volume: 22 | Article ID: art00001
Observer Variability in Color Image Matching on a LCD monitor and a Laser Projector
  DOI :  10.2352/CIC.2014.22.1.art00001  Published OnlineNovember 2014

Wide color gamut media are emerging in the market, and this trend has been accelerated by ITU recommendation, Rec.2020 in 2012. Wide color gamut media possess spectrally narrow primaries, which would potentially increase the degree of observer metamerism. In this study, it was investigated if observer metamerism could be a serious issue under practical viewing conditions. Namely, real images were used as a matching stimulus instead of uniform colors. We carried out the color image matching experiment on two different media: an Apple Cinema HD LCD monitor and a Microvision laser projector. The results from 28 color-normal observers were analyzed. The obtained inter-observer variability was large enough that observer metamerism would be a serious issue where the laser projector is viewed together with conventional media. Each observer had a match point that was significantly different from those of other observers. It was found that effective field size changes (and an observers CMFs change) depending on image contents. Complex images require smaller field size whereas simple images require larger field size.

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Yuta Asano, Mark D. Fairchild, Laurent Blond´e, Patrick Morvan, "Observer Variability in Color Image Matching on a LCD monitor and a Laser Projectorin Proc. IS&T 22nd Color and Imaging Conf.,  2014,  pp 1 - 6,

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