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17 October 2022 A visible edge aware directional total variation model for limited-angle reconstruction
Yinghui Zhang, Ke Chen, Xing Zhao, Hongwei Li
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Proceedings Volume 12304, 7th International Conference on Image Formation in X-Ray Computed Tomography; 123042N (2022) https://doi.org/10.1117/12.2647520
Event: Seventh International Conference on Image Formation in X-Ray Computed Tomography (ICIFXCT 2022), 2022, Baltimore, United States
Abstract
The directional total variation algorithm (DTV) reported in the literature achieves promising results for limited angle reconstructions, especially when the scanning angular range is very small. However, the visible edge prior for limited-angle CT is not explicitly considered by DTV. In this paper, a variant of the DTV model is proposed which explicitly builds into the visible edge prior developed by Quinto et al. Numerical experiments show that the proposed model and algorithm produce very competitive results compared to DTV.
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Yinghui Zhang, Ke Chen, Xing Zhao, and Hongwei Li "A visible edge aware directional total variation model for limited-angle reconstruction", Proc. SPIE 12304, 7th International Conference on Image Formation in X-Ray Computed Tomography, 123042N (17 October 2022); https://doi.org/10.1117/12.2647520
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KEYWORDS
Reconstruction algorithms
Data acquisition
Algorithm development
CT reconstruction
Lithium
Computed tomography
Data modeling
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