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Visualisation and Metavisualisations: Helping a User with Colour Gamut Mapping

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Why do so many visualisations make poor or ineffective use of the colour gamut of a device? The trend with colour management systems is to increasingly automate gamut mapping operations so that the user does not need to know about gamut constraints of devices being used. Is this well-advised, bearing in mind the complex set of decisions needed for any given set of data, task, and gamut characteristics? An alternative approach is to stimulate implicit learning about device gamut capabilities, so that users gain the awareness and skills required to make sensible gamut mapping decisions that are appropriate for the task being undertaken. This paper describes the use of metavisualisations - interactive visualisations of perceptual colour gamuts that describe the colour mappings applied to generate a visualisation—to help users select appropriate colour mappings. The scope for applying incremental intelligence to these metavisualisations to support automation of gamut mapping will also be described. Such an approach is consistent with the overall process of visualisation, being a strategy of helping a user recognise salient characteristics, and develop and apply expertise, rather than supplanting the expertise of the user with automated techniques.
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Document Type: Research Article

Publication date: January 1, 1996

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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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