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A Study on Perceptually Coherent Distance Measures for Color Schemes

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There has been extensive research on finding distance measures between individual colors which conform to the human visual system color perception. With the recent advent of using and naming color combinations by abstract concepts (classic, romantic), this paper addresses the new problem of computing distances between such combinations, which are referred to as color schemes. In addition, the paper proposes an algorithm to compute the distance measure which is shown to be competitive compared to various state of the art distance measures adapted to the problem at hand. In particular, the proposed distance measure, referred to as the Color-based Earth Mover's Distance (CEMD) embeds the CIEDE2000 color difference formula into the Earth Mover's Distance (EMD). The CEMD performance in computing distances is evaluated through a color scheme retrieval framework. Quantitatively, it is shown that the CEMD provides in general the highest precision at K as compared with the EMD and a distance based on Fisher Vector representations of color schemes, which we refer to as FD. Qualitatively, it is shown that retrieved color schemes are more similar to the query scheme when the CEMD is employed as compared with the EMD and FD. Qualitative results on image ranking by concept using the CEMD are shown to be better than those obtained using tags.

Document Type: Research Article

Publication date: January 1, 2011

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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, and a vibrant interactive papers session. An endearing symbol of the meeting is the Cactus Award, given each year to the author(s) of the best interactive paper presentation.

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