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Accurate image reconstruction from few-views and limited-angle data in divergent-beam CT
Open accessAbstract
In practical applications of tomographic imaging, there are often challenges for image reconstruction due to under-sampling and insufficient data. In computed tomography (CT), for example, image reconstruction from few views would enable rapid scanning with a reduced x-ray dose delivered to the patient. Limited-angle problems are also of practical significance in CT. In this work, we develop and investigate an iterative image reconstruction algorithm based on the minimization of the image total variation (TV) that applies to divergent-beam CT. Numerical demonstrations of our TV algorithm are performed with various insufficient data problems in fan-beam CT. The TV algorithm can be generalized to cone-beam CT as well as other tomographic imaging modalities.
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Citations
Cited by
Sidky, E. Y., & Pan, X. (2008) · Physics in Medicine and Biology · doi:10.1088/0031-9155/53/17/021 · Cited by 1,995
Self-citationMaire, E., & Withers, P. J. (2014) · International Materials Reviews · doi:10.1179/1743280413y.0000000023 · Cited by 1,374
Diverse Applications of Nanomedicine
Pelaz, B., Alexiou, C., Alvarez-Puebla, R. A., Alves, F., Andrews, A. M., Ashraf, S., Balogh, L. P., Ballerini, L., Bestetti, A., Brendel, C., et al. (2017) · ACS Nano · doi:10.1021/acsnano.6b06040 · Cited by 1,350
Strategies for Reducing Radiation Dose in CT
McCollough, C. H., Primak, A. N., Braun, N., Kofler, J., Yu, L., & Christner, J. (2009) · Radiologic Clinics of North America · doi:10.1016/j.rcl.2008.10.006 · Cited by 842
X-ray computed tomography of polymer composites
Garcea, S. C., Wang, Y., & Withers, P. J. (2018) · Composites Science and Technology · doi:10.1016/j.compscitech.2017.10.023 · Cited by 719
Metadata
- Authors
- Sidky, E. Y., Kao, C.-M., & Pan, X.
- Venue
- Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics
- Publisher
- SAGE Publications
- Published
- 2006-01-01
- Volume
- 14
- Issue
- 2
- Pages
- 119-139
- ISSN
- 0895-3996 (ISSN-L)
- 1095-9114
- OpenAlex
- W2951629090
- Cited by
- 1,091
- References
- 0
- FWCI
- 10.83
- Type
- journal article
- Language
- en
- Open access
- green
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- Sidky, E. Y., Kao, C.-M., & Pan, X. (2006). Accurate image reconstruction from few-views and limited-angle data in divergent-beam CT. Journal of X-Ray Science and Technology: Clinical Applications of Diagnosis and Therapeutics. https://doi.org/10.3233/xst-2006-00155
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