ArticleIEEE transactions on bio-medical engineering2018
Optimization-Based Image Reconstruction From Low-Count, List-Mode TOF-PET Data.
Article in IEEE transactions on bio-medical engineering, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Simultaneous Activity and Attenuation Estimation in TOF-PET With TV-Constrained Nonconvex Optimization.IEEE transactions on medical imaging · 2024Article
- Improving Generalizability of PET DL Algorithms: List-Mode Reconstructions Improve DOTATATE PET Hepatic Lesion Detection Performance.Bioengineering (Basel, Switzerland) · 2024Article
- Simultaneous activity and attenuation estimation in TOF-PET with TV-constrained nonconvex optimization.ArXiv · 2024Article
- Do CNNs Solve the CT Inverse Problem?IEEE transactions on bio-medical engineering · 2021Article
- Clinical application ofAmerican journal of nuclear medicine and molecular imaging · 2021Review
- Improved Low-Count Quantitative PET Reconstruction With an Iterative Neural Network.IEEE transactions on medical imaging · 2020Article
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Authors and funding
9 authors.
Funding
Abstract
objectiveWe investigate an optimization-based approach to image reconstruction from list-mode data in digital time-of-flight (TOF) positron emission tomography (PET) imaging.
methodIn the study, the image to be reconstructed is designed as a solution to a convex, non-smooth optimization program, and a primal-dual algorithm is developed for image reconstruction by solving the optimization program. The algorithm is first applied to list-mode TOF-PET data of a typical count level from physical phantoms and a human subject. Subsequently, we explore the algorithm's potential for image reconstruction in low-dose and/or fast TOF-PET imaging of practical interest by applying the algorithm to list-mode TOF-PET data of different, low-count levels from the same physical phantoms and human subject.
resultsVisual inspection and quantitative-metric analysis reveal that the optimization reconstruction approach investigated can yield images with enhanced spatial and contrast resolution, suppressed image noise, and increased axial volume coverage over the reference images obtained with a standard clinical reconstruction algorithm especially for low-dose TOF-PET data. SIGNIFICANCE: The optimization-based reconstruction approach can be exploited for yielding insights into potential quality upper bound of reconstructed images in, and design of scanning protocols of, TOF-PET imaging of practical significance.
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