Learning to Push the Limits of Efficient FFT-based Image Deconvolution

First Authors Jacob Kruse
Authors Jacob Kruse, Carsten Rother, Uwe Schmidt
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Last Authors Uwe Schmidt
Conference Proceedings Volume Title 2017 IEEE International Conference on Computer Vision : ICCV 2017 : proceedings : 22-29 October 2017, Venice, Italy
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Conference Name 2017 IEEE International Conference on Computer Vision : ICCV 2017
Conference Location Venice, Italy
Conference Start Date 2017-10-22
Conference End Date 2017-10-29
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Publisher IEEE
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ISBN 978-15386-1032-9
First Page 4596
Last Page 4604
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Print Publication Date 2017-10-29
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Abstract This work addresses the task of non-blind image deconvolution. Motivated to keep up with the constant increase in image size, with megapixel images becoming the norm, we aim at pushing the limits of efficient FFT-based techniques. Based on an analysis of traditional and more recent learning-based methods, we generalize existing discriminative approaches by using more powerful regularization, based on convolutional neural networks. Additionally, we propose a simple, yet effective, boundary adjustment method that alleviates the problematic circular convolution assumption, which is necessary for FFT-based deconvolution. We evaluate our approach on two common non-blind deconvolution benchmarks and achieve state-of-the-art results even when including methods which are computationally considerably more expensive.
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DOI 10.1109/ICCV.2017.491
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Created By thuem
Added Date 2018-04-05
Last Edited By thuem
Last Edited Date 2018-04-05 16:48:33.027
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Document ID WOS:000425498404070
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