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Title:
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Simultaneous blind gamma estimation
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Author:
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Vazquez-Corral, Javier; Bertalmío, Marcelo
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Abstract:
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Blind gamma estimation is the problem of estimating the gamma function that is applied to a linear image both for perceptual reasons and for the compensation of the non-linear behavior of displays. Gamma values change both inter- and intra-camera. In the latter case, the change comes from the use of different scene settings. In this letter we propose a new approach that relies on the use of more than a single image from the same scene. We estimate the gammas for all the different images at the same time with a method based on exploiting the structure of the standard in-camera processing pipeline. Our results improve over the state-of-the-art. |
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Abstract:
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This work was supported by the European Research Council, Starting Grant ref. 306337, by the Spanish government, grant ref. TIN2012-38112, and by the Icrea Academia Award. |
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Subject(s):
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-Blind gamma estimation
-Image enhancement |
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Rights:
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© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The final published article can be found at https://dx.doi.org/10.1109/LSP.2015.2396299
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Document type:
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Article
Article - Accepted version |
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Published by:
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Institute of Electrical and Electronics Engineers (IEEE)
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