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Conference papers

Deblurring Shaken and Partially Saturated Images

Oliver Whyte 1, 2 Josef Sivic 1, 2 Andrew Zisserman 1, 2, 3 
2 WILLOW - Models of visual object recognition and scene understanding
DI-ENS - Département d'informatique - ENS Paris, Inria Paris-Rocquencourt, CNRS - Centre National de la Recherche Scientifique : UMR8548
Abstract : We address the problem of deblurring images degraded by camera shake blur and saturated or over-exposed pix- els. Saturated pixels are a problem for existing non-blind deblurring algorithms because they violate the assumption that the image formation process is linear, and often cause significant artifacts in deblurred outputs. We propose a for- ward model that includes sensor saturation, and use it to derive a deblurring algorithm properly treating saturated pixels. By using this forward model and reasoning about the causes of artifacts in the deblurred results, we obtain significantly better results than existing deblurring algorithms. Further we propose an efficient approximation of the forward model leading to a significant speed-up.
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Submitted on : Sunday, August 3, 2014 - 8:47:36 PM
Last modification on : Thursday, March 17, 2022 - 10:08:39 AM
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  • HAL Id : hal-01053886, version 1



Oliver Whyte, Josef Sivic, Andrew Zisserman. Deblurring Shaken and Partially Saturated Images. IEEE Workshop on Color and Photometry in Computer Vision, 2011, Barcelona, Spain. ⟨hal-01053886⟩



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