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Specifying the Colour Appearance of a Real Room

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In this study, an experiment was carried out to specify the colour appearance of a real room, which was painted with the same colour on four walls except the ceiling and floor. Two colour matching methods involving small colour patches were used to describe the colour appearance of different parts of one wall under two light sources (D65 and CWF). The results were used to model the size affecting colour appearance. It was found that there were changes of perceived lightness and chroma when the physical size of the same colour sample changed from a small colour patch to the wall of a room. However the perceived hue was unchanged when the physical size changed. These size effects were found to be independent of the matching methods and light sources used. Finally a model was derived.
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Document Type: Research Article

Publication date: 01 January 2003

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  • CIC is the premier annual technical gathering for scientists, technologists, and engineers working in the areas of color science and systems, and their application to color imaging. Participants represent disciplines ranging from psychophysics, optical physics, image processing, color science to graphic arts, systems engineering, and hardware and software development. While a broad mix of professional interests is the hallmark of these conferences, the focus is color. CICs traditionally offer two days of short courses followed by three days of technical sessions that include three keynotes, an evening lecture, a vibrant interactive (poster) papers session, and workshops. An endearing symbol of the meeting is the Cactus Award, given each year to the author(s) of the best interactive paper; there are also Best Paper and Best Student Paper awards.

    Please note: for Purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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