منابع مشابه
Color Matching Functions for a Perceptually Uniform Rgb Space
We present methods to estimate perceptual uniformity of color spaces and to derive a perceptually uniform RGB space using geometrical criteria defined in a logarithmic opponent color representation.
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We propose a numerical method to determine a transformation of a color space into a hue linear color space with a maximum degree of perceptual uniformity. In a first step, a transformation of the initial color space into a nearly perceptually uniform space is computed using multigrid optimization. In a second step, a hue correction is applied to the resulting color space while preserving the pe...
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In this work, we present a segmentation algorithm for color images that uses the watershed algorithm to segment either the two-dimensional (2-D) or the three-dimensional (3-D) color histogram of an image. For compliance with the way humans perceive color, this segmentation has to take place in a perceptually uniform color space like the Luv space. To avoid oversegmentation, the watershed algori...
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Aim of this work is to envisage an image coding technique capable to deliver a perceptually optimal output to be fed into a traditional loss-less compression algorithm such as Portable Network Graphics. The main advantage of this two steps compression method, over lossy compression algorithms such as JPG, is that the amount of information that is discarded can be trimmed in order to meet the re...
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To find an appropriate color transform is necessary and helpful for the applications of color images. In this paper, we proposed a new scheme to find color transforms close to the optimal transform and agree with human vision system for comparison. We first apply the perceptually uniform color space transform to convert RGB components into uniform CIE LAB components, and then use principal comp...
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ژورنال
عنوان ژورنال: IEEE Transactions on Visualization and Computer Graphics
سال: 2014
ISSN: 1077-2626
DOI: 10.1109/tvcg.2014.2322363