
doi: 10.1049/el.2018.0901
handle: 20.500.11750/9023
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.
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
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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