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Open AccessArticle

Directional 0 Sparse Modeling for Image Stripe Noise Removal

School of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
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Remote Sens. 2018, 10(3), 361; https://doi.org/10.3390/rs10030361
Received: 29 December 2017 / Revised: 11 February 2018 / Accepted: 22 February 2018 / Published: 26 February 2018
(This article belongs to the Special Issue Data Restoration and Denoising of Remote Sensing Data)
Remote sensing images are often polluted by stripe noise, which leads to negative impact on visual performance. Thus, it is necessary to remove stripe noise for the subsequent applications, e.g., classification and target recognition. This paper commits to remove the stripe noise to enhance the visual quality of images, while preserving image details of stripe-free regions. Instead of solving the underlying image by variety of algorithms, we first estimate the stripe noise from the degraded images, then compute the final destriping image by the difference of the known stripe image and the estimated stripe noise. In this paper, we propose a non-convex 0 sparse model for remote sensing image destriping by taking full consideration of the intrinsically directional and structural priors of stripe noise, and the locally continuous property of the underlying image as well. Moreover, the proposed non-convex model is solved by a proximal alternating direction method of multipliers (PADMM) based algorithm. In addition, we also give the corresponding theoretical analysis of the proposed algorithm. Extensive experimental results on simulated and real data demonstrate that the proposed method outperforms recent competitive destriping methods, both visually and quantitatively. View Full-Text
Keywords: non-convex ℓ0 sparse model; PADMM based algorithm; mathematical program with equilibrium constraints (MPEC); stripe noise removal non-convex ℓ0 sparse model; PADMM based algorithm; mathematical program with equilibrium constraints (MPEC); stripe noise removal
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Dou, H.-X.; Huang, T.-Z.; Deng, L.-J.; Zhao, X.-L.; Huang, J. Directional 0 Sparse Modeling for Image Stripe Noise Removal. Remote Sens. 2018, 10, 361.

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