Sen, DebashisPal, Sankar K2013-03-042013-03-042011-05IEEETOIP, v 20, no 5, p 1211-1220http://hdl.handle.net/10263/5318enAmbiguity measuresBeam theoryContrast enhancementFuzzy setsLocal band-limited contrastExact histogram specifiactionAutomatic exact histogram specifrication for contrast enhancement and visual system based quantitative evaluationArticle