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Electronics Letters
Article . 2018 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
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Blind deblurring using coupled convolutional sparse coding regularisation for noisy‐blurry images

Authors: T.‐H. An; D. Choi; S. Cho; K.‐S. Hong; S. Lee;

Blind deblurring using coupled convolutional sparse coding regularisation for noisy‐blurry images

Abstract

This Letter proposes a novel method to deblur a blurry image corrupted by noise. The authors estimate a noise‐free version of the input blurred image and a corresponding noise‐free version of the latent image without damaging the blur information, as well as the latent image and blur kernel in an alternating fashion. To this end, they first propose coupled convolutional sparse coding, which incorporates the coupled dictionary concept into convolutional sparse coding. Then they model the noise‐free blurred image to share the sparse coefficients with the noise‐free latent image using the coupled dictionaries. By utilising these noise‐free images as priors in alternating latent image estimation and blur kernel estimation steps, they can estimate a high‐quality latent image and blur kernel in the presence of noise. Experimental results demonstrate that the proposed method outperforms previous methods in handling noisy blurred images.

Country
Korea (Republic of)
Keywords

coupled dictionaries, noise-free latent image, noisy blurred images, blur information, blur kernel estimation steps, image denoising, high-quality latent image, coupled convolutional sparse coding regularisation, latent image estimation, blind deblurring, deconvolution, image restoration, 004, noise-free images, blurry image, coupled dictionary concept, noisy-blurry images, sparse coefficients, input blurred image, corresponding noise-free version, noise-free blurred image

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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