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Volume: 4 | Article ID: art00082
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Retinal Modeling in Digital Photography
  DOI :  10.2352/CGIV.2008.4.1.art00082  Published OnlineJanuary 2008
Abstract

We present a digital camera workflow that is derived from a model of retinal processing. Our approach has two major improvements over existing methods. First, tone mapping is applied directly on the mosaic image captured by the sensor, analogue to the human visual system that applies non-linearities on the color signals captured by the cone mosaic. This reduces the number of necessary operations by a factor three. Second, we introduce a variation of the center/surround class of local tone mapping algorithms, which are known to increase the local contrast of images but tend to create artifacts. Our method gives a good improvement in contrast while avoiding halos and maintaining good global appearance. Our algorithm provides pleasing results on various images with different scene content, key, and dynamic range.

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Sabine Süsstrunk, David Alleysson, Laurence Meylan, Daniel Tamburrino, "Retinal Modeling in Digital Photographyin Proc. IS&T CGIV 2008/MCS'08 4th European Conf. on Colour in Graphics, Imaging, and Vision 10th Int'l Symp. on Multispectral Colour Science,  2008,  pp 382 - 382,  https://doi.org/10.2352/CGIV.2008.4.1.art00082

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Copyright © Society for Imaging Science and Technology 2008
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Conference on Colour in Graphics, Imaging, and Vision
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