ArticleJournal of medical imaging (Bellingham, Wash.)2019
Task-driven source-detector trajectories in cone-beam computed tomography: I. Theory and methods.
Article in Journal of medical imaging (Bellingham, Wash.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Gain correction for variable imaging geometry.Medical physics · 2026Article
- Source-detector trajectory optimization for CBCT metal artifact reduction based on PICCS reconstruction.Zeitschrift fur medizinische Physik · 2024Article
- Universal non-circular cone beam CT orbits for metal artifact reduction imaging during image-guided procedures.Scientific reports · 2024Article
- Cone-beam CT with a noncircular (sine-on-sphere) orbit: imaging performance of a clinical system for image-guided interventions.Journal of medical imaging (Bellingham, Wash.) · 2024Article
- Fully automatic online geometric calibration for non-circular cone-beam CT orbits using fiducials with unknown placement.Medical physics · 2024Article
- Cone-beam CT sampling incompleteness: analytical and empirical studies of emerging systems and source-detector orbits.Journal of medical imaging (Bellingham, Wash.) · 2023Article
- Practical workflow for arbitrary non-circular orbits for CT with clinical robotic C-arms.Proceedings of SPIE--the International Society for Optical Engineering · 2022Article
- Universal orbit design for metal artifact elimination.Physics in medicine and biology · 2022Article
- Flat-panel conebeam CT in the clinic: history and current state.Journal of medical imaging (Bellingham, Wash.) · 2021Article
- Deformable motion compensation for interventional cone-beam CT.Physics in medicine and biology · 2021Article
- Toward on-the-fly trajectory optimization for C-arm CBCT under strong kinematic constraints.PloS one · 2021Article
- Optimization for customized trajectories in cone beam computed tomography.Medical physics · 2020Article
- C-arm orbits for metal artifact avoidance (MAA) in cone-beam CT.Physics in medicine and biology · 2020Article
- Metal-Tolerant Noncircular Orbit Design and Implementation on Robotic C-Arm Systems.Conference proceedings. International Conference on Image Formation in X-Ray Computed Tomography · 2020Article
- Non-circular CT orbit design for elimination of metal artifacts.Proceedings of SPIE--the International Society for Optical Engineering · 2020Article
- Additively Manufactured Patient-Specific Anthropomorphic Thorax Phantom With Realistic Radiation Attenuation Properties.Frontiers in bioengineering and biotechnology · 2020Article
- Robust regression-based estimation of isocenter offset with subpixel precision in tomographic image reconstruction.Journal of medical imaging (Bellingham, Wash.) · 2019Article
- Task-driven source-detector trajectories in cone-beam computed tomography: II. Application to neuroradiology.Journal of medical imaging (Bellingham, Wash.) · 2019Article
- Non-circular CBCT orbit design and realization on a clinical robotic C-arm for metal artifact reduction.Proceedings of SPIE--the International Society for Optical EngineeringArticle
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Authors and funding
4 authors.
Funding
Abstract
We develop a mathematical framework for the design of orbital trajectories that are optimal to a particular imaging task (or tasks) in advanced cone-beam computed tomography systems that have the capability of general source-detector positioning. The framework allows various parameterizations of the orbit as well as constraints based on imaging system capabilities. To accommodate nonstandard system geometries, a model-based iterative reconstruction method is applied. Such algorithms generally complicate the assessment and prediction of reconstructed image properties; however, we leverage efficient implementations of analytical predictors of local noise and spatial resolution that incorporate dependencies of the reconstruction algorithm on patient anatomy, x-ray technique, and geometry. These image property predictors serve as inputs to a task-based performance metric defined by detectability index, which is optimized with respect to the orbital parameters of data acquisition. We investigate the framework of the task-driven trajectory design in several examples to examine the dependence of optimal source-detector trajectories on the imaging task (or tasks), including location and spatial-frequency dependence. A variety of multitask objectives are also investigated, and the advantages to imaging performance are quantified in simulation studies.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.