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Encoding Color Difference Signals for High Dynamic Range and Wide Gamut Imagery

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High dynamic range and wide color gamut are currently being introduced to television and cinema. This extended information requires not only more efficient signal encodings, but also improved color spaces. Due to the increasing variation in display capabilities, it is desirable to have a color signal encoding that is not only suitable for efficient quantization but also for color volume mapping.

While an efficient method for high dynamic range luminance encoding has been put forward, a similar encoding scheme for color difference signals is not yet available. We address this with a novel color space representation that can be used for both efficient encoding of high dynamic range and wide gamut color difference signals as well as color volume mapping. We compare the performance, robustness and complexity against other color spaces in a variety of usage scenarios.
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Document Type: Research Article

Publication date: 2015-10-01

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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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