An Alternative Color Difference Formula for Computing Image Difference

In this paper, we approach color-image-difference metrics by a Euclidean color-difference formula for small-medium color differences in log-compressed OSA-UCS space. We start from previous image-difference metrics by replacing the CIE color-difference formulae with the new one. Tests are performed on th TID database and current results show improvements in the actual state of art, making this formula the future key for imagedifference metrics.

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