Human gaze is not directed to the same part of an image when lighting conditions change. Current saliency models do not consider\nlight level analysis during their bottom-up processes. In this paper, we introduce a new saliency model which better mimics\nphysiological and psychological processes of our visual attention in case of free-viewing task (bottom-up process). This model\nanalyzes lighting conditions with the aim of giving different weights to color wavelengths.The resulting saliency measure performs\nbetter than a lot of popular cognitive approaches
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