ArticlePhysics in medicine and biology2016
Optimization-based image reconstruction with artifact reduction in C-arm CBCT.
Article in Physics in medicine and biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Enhancing intrafraction position monitoring for prostate radiotherapy on a conventional linear accelerator: an optimization study.Physical and engineering sciences in medicine · 2025Article
- Accurate image reconstruction within and beyond the field-of-view of CT system from data with truncation.Physics in medicine and biology · 2025Article
- Image reconstruction from data over two orthogonal arcs of limited-angular ranges.Medical physics · 2022Article
- A balanced total-variation-Chambolle-Pock algorithm for EPR imaging.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2021Article
- Directional-TV algorithm for image reconstruction from limited-angular-range data.Medical image analysis · 2021Article
- Non-convex primal-dual algorithm for image reconstruction in spectral CT.Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society · 2021Article
- Optimization-based algorithm for solving the discrete x-ray transform with nonlinear partial volume effect.Journal of medical imaging (Bellingham, Wash.) · 2020Article
- Are metal artefact reduction algorithms effective to correct cone beam CT artefacts arising from the exomass?Dento maxillo facial radiology · 2019Article
- Detection of preterm birth in electrohysterogram signals based on wavelet transform and stacked sparse autoencoder.PloS one · 2019Article
- Reduction of Angularly-Varying-Data Truncation in C-Arm CBCT Imaging.Sensing and imaging · 2018Article
- Optimization-based image reconstruction from sparsely sampled data in electron paramagnetic resonance imaging.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2018Article
- Optimization-Based Image Reconstruction From Low-Count, List-Mode TOF-PET Data.IEEE transactions on bio-medical engineering · 2018Article
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8 authors.
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Abstract
We investigate an optimization-based reconstruction, with an emphasis on image-artifact reduction, from data collected in C-arm cone-beam computed tomography (CBCT) employed in image-guided interventional procedures. In the study, an image to be reconstructed is formulated as a solution to a convex optimization program in which a weighted data divergence is minimized subject to a constraint on the image total variation (TV); a data-derivative fidelity is introduced in the program specifically for effectively suppressing dominant, low-frequency data artifact caused by, e.g. data truncation; and the Chambolle-Pock (CP) algorithm is tailored to reconstruct an image through solving the program. Like any other reconstructions, the optimization-based reconstruction considered depends upon numerous parameters. We elucidate the parameters, illustrate their determination, and demonstrate their impact on the reconstruction. The optimization-based reconstruction, when applied to data collected from swine and patient subjects, yields images with visibly reduced artifacts in contrast to the reference reconstruction, and it also appears to exhibit a high degree of robustness against distinctively different anatomies of imaged subjects and scanning conditions of clinical significance. Knowledge and insights gained in the study may be exploited for aiding in the design of practical reconstructions of truly clinical-application utility.
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