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Luminance-Based Multi-Scale Retinex

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Multi-scale retinex (MSR) processing has been shown to be an effective way to enhance image contrast, but it often has an undesirable desaturating effect on the image colours. A colourrestoration method [2,3]can help mitigate this effect, but our experience is that it simply leads to other problems. In this paper we modify MSR so that it preserves colour fidelity while still enhancing contrast. We then add neural-net based colour constancy processing[7] to this modified version of MSR. The result is a principled approach that provides the contrastenhancement benefits of MSR and improved colour fidelity.
Presented at the AIC Colour 97 8th Congress of the International Colour Association, May 1997.
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Funt, B., Barnard, K., Brockington, M., and Cardei, V., "Luminance-Based Multi-Scale Retinex," Proc. AIC Colour 97, 8th Congress of the International Colour Association, Kyoto, May 1997.
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Luminance_MSR_AIC1997.pdf 18.09 KB

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