Evaluation of Image Corrected by Retinex Method Based on S-CIELAB and Gazing Information
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
2006 Special Issue: Modeling attention to salient proto-objects
Neural Networks
GAFFE: A Gaze-Attentive Fixation Finding Engine
IEEE Transactions on Image Processing
Measuring perceptual contrast in digital images
Journal of Visual Communication and Image Representation
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In this paper, we propose and discuss a novel approach for measuring perceived contrast. The proposed method comes from the modification of previous algorithms with a different local measure of contrast and with a parameterized way to recombine local contrast maps and color channels. We propose the idea of recombining the local contrast maps using gaze information, saliency maps and a gaze-attentive fixation finding engine as weighting parameters giving attention to regions that observers stare at, finding them important. Our experimental results show that contrast measures cannot be improved using different weighting maps as contrast is an intrinsic factor and it's judged by the global impression of the image.