Reducing Staircasing Artifacts in SPECT Reconstruction by an Infimal Convolution Regularization

DOI10.4208/JCM.1607-M2016-0537zbMath1374.92095OpenAlexW2566511381MaRDI QIDQ5276764

Xueying Zeng, Andrzej Król, Zhifeng Wu, Si Li, Yuesheng Xu

Publication date: 14 July 2017

Published in: Journal of Computational Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4208/jcm.1607-m2016-0537

zbMATH Keywords

fixed-point proximity algorithminfimal convolution regularizationstaircasing artifacts

Mathematics Subject Classification ID

Ill-posedness and regularization problems in numerical linear algebra (65F22) Quadratic programming (90C20) Biomedical imaging and signal processing (92C55)

Related Items (4)

Unnamed Item ⋮ A content-adaptive unstructured grid based integral equation method with the TV regularization for SPECT reconstruction ⋮ Sparsity promoting regularization for effective noise suppression in SPECT image reconstruction ⋮ A content-adaptive unstructured grid based regularized CT reconstruction method with a SART-type preconditioned fixed-point proximity algorithm

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