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Boosting MR Image Impulse Noise Removal With Overlapping Group Sparse Fractional-Order Total Variation and Minimax Concave Penalty

The acquisition and transmission of magnetic resonance images are susceptible to noise, particularly impulse noise. Although the method based on the ℓ0-norm and overlapping group sparse total variation (ℓ0-OGSTV) is effective for impulse noise image restoration, it can only mitigate the staircase a...

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Principais autores: Wei Xue, Yumeng Ge, Xiaolei Gu, Xuan Qi, Tao Tao
Format: Artigo
Sprog:Inglês
Udgivet: Slovenian Society for Stereology and Quantitative Image Analysis 2024-03-01
Serier:Image Analysis and Stereology
Fag:
fractional-order total variation
image denoising
ℓ0-norm
minimax-concave penalty
overlapping group sparsity
Online adgang:https://www.ias-iss.org/ojs/IAS/article/view/3139
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