Color image histogram equalization by absolute discounting back-off

Abstract

A novel color image histogram equalization approach is proposed that exploits the correlation between color components and it is enhanced by a multi-level smoothing technique borrowed from statistical language engineering. Multi-level smoothing aims at dealing efficiently with the problem of unseen color values, either considered independently or in… (More)
DOI: 10.1016/j.cviu.2006.11.012

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