A content-adaptive unstructured grid based regularized CT reconstruction method with a SART-type preconditioned fixed-point proximity algorithm

DOI10.1088/1361-6420/ac490fzbMath1482.94014OpenAlexW4206589449MaRDI QIDQ5030163

Xiangyuan Ma, Yun Chen, Yao Lu, Yuesheng Xu

Publication date: 16 February 2022

Published in: Inverse Problems (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/1361-6420/ac490f

zbMATH Keywords

preconditionintegral equationregularizationunstructured gridfixed-point algorithmCT reconstruction

Mathematics Subject Classification ID

Computing methodologies for image processing (68U10) Biomedical imaging and signal processing (92C55) Image processing (compression, reconstruction, etc.) in information and communication theory (94A08)

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