Quality Measurement of Existing Color Metrics using Hexagonal Color Fields
DOI:
https://doi.org/10.30973/progmat/2009.1.2/3Keywords:
color metric, perceptual quality, color neighbors, quality estimationAbstract
In the area of colorimetry there are many color metrics developed, such as those based on the CIELAB color space, which measure the perceptual difference between two colors. However, in software applications the typical images contain hundreds of different colors. In the case where many colors are seen by human eye, the perceived result might be different than if looking at only two of these colors at once. This work presents an alternative approach for measuring the perceived quality of color metrics by comparing several neighboring colors at once. The colors are arranged in a two dimensional board using hexagonal shapes, for every new element its color is compared to all currently available neighbors and the closest match is used. The board elements are filled from the palette with specific color set. The overall result can be judged visually on any monitor where output is sRGB compliant.
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