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Matches in SemOpenAlex for { <https://semopenalex.org/work/W1988460859> ?p ?o ?g. }

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• W1988460859 abstract "In order to alleviate the staircase effect or the edge blurring in the course of the image denoising, we propose a two-step model based on the duality strategy. In fact, this strategy follows the observation that the dual variable of the restored image can be looked at as the normal vector. So we first obtain the dual variable and then reconstruct the image by fitting the dual variable. Following the augmented Lagrangian strategy, we propose a projection gradient method for solving this two-step model. We also give some convergence analyses of the proposed projection gradient method. Several numerical experiments are tested to compare our proposed model with the ROF model and the LLT model." @default.
• W1988460859 created "2016-06-24" @default.
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• W1988460859 date "2010-11-01" @default.
• W1988460859 modified "2023-09-29" @default.
• W1988460859 title "A two-step model for image denoising using a duality strategy and surface fitting" @default.
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• W1988460859 doi "https://doi.org/10.1016/j.cam.2010.05.014" @default.
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