Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/82315
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dc.contributorDepartment of Computing-
dc.creatorYan, ZF-
dc.creatorGuo, S-
dc.creatorXiao, G-
dc.creatorZhang, HZ-
dc.date.accessioned2020-05-05T05:59:32Z-
dc.date.available2020-05-05T05:59:32Z-
dc.identifier.urihttp://hdl.handle.net/10397/82315-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 License. For more information, see http://creativecommons.org/licenses/by/4.0/en_US
dc.rightsThe following publication Z. Yan, S. Guo, G. Xiao and H. Zhang, "On Combining CNN With Non-Local Self-Similarity Based Image Denoising Methods," in IEEE Access, vol. 8, pp. 14789-14797, 2020 is available at https://dx.doi.org/10.1109/ACCESS.2019.2962809en_US
dc.subjectNon-local self-similarityen_US
dc.subjectConvolutional neural networken_US
dc.subjectResidual learningen_US
dc.subjectImage denoisingen_US
dc.titleOn combining cnn with non-local self-similarity based image denoising methodsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage14789-
dc.identifier.epage14797-
dc.identifier.volume8-
dc.identifier.doi10.1109/ACCESS.2019.2962809-
dcterms.abstractDespite the significant advances in convolutional neural network (CNN) based image denoising, the existing methods still cannot consistently outperform non-local self-similarity (NSS) based methods, especially on images with many repetitive structures. Although several studies have been given to incorporate NSS priors with CNN-based denoising,their improvement is generally insignificant when compared with the state-of-the-art CNN-based denoisers. In this paper, we suggest to combine CNN and NSS based methods for improved image denoising, resulting in an NSS-UNet architecture. Motivated by gradient descent inference of TNRD, both the current estimate and noisy observation are considered as the inputs to the CNN. To take the NSS prior into account, the result by NSS (e.g., BM3D or WNNM), is adopted as the initial estimate. And a modified UNet is presented for exploiting the multi-scale information. We evaluate the proposed method on three common testing datasets. The results clearly show that NSS-UNet outperforms the existing CNN and NSS based methods in terms of both PSNR index and visual quality.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIEEE access, 2020, v. 8, p. 14789-14797-
dcterms.isPartOfIEEE access-
dcterms.issued2020-
dc.identifier.isiWOS:000524736700037-
dc.identifier.scopus2-s2.0-85079770602-
dc.identifier.eissn2169-3536-
dc.description.validate202006 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_Scopus/WOSen_US
dc.description.pubStatusPublisheden_US
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