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Medical Physics, ISSN 0094-2405, 05/2013, Volume 40, Issue 5, pp. 051915 - n/a
Journal Article
Physics in Medicine and Biology, ISSN 0031-9155, 04/2017, Volume 62, Issue 9, pp. 3712 - 3734
Journal Article
Proceedings of SPIE--the International Society for Optical Engineering, ISSN 0277-786X, 02/2019, Volume 10948
Volume-of-interest (VOI) imaging is a promising strategy for dose reduction in computed tomography (CT) while retaining image quality. However, implementation... 
Fluence field modulation | volume-of-interest imaging | model-based iterative reconstruction
Journal Article
Proceedings of SPIE--the International Society for Optical Engineering, ISSN 0277-786X, 02/2019, Volume 10948
We develop and validate a model-based framework for artifact correction and image reconstruction to enable application of Cone-Beam CT (CBCT) in quantitative... 
Journal Article
Medical Physics, ISSN 0094-2405, 08/2011, Volume 38, Issue 8, pp. 4700 - 4713
Purpose: This paper reports on the design and initial imaging performance of a dedicated cone-beam CT (CBCT) system for musculoskeletal (MSK) extremities. The... 
system optimization | musculoskeletal radiology | weight-bearing imaging | flat-panel detector | orthopaedics | rheumatology | cascaded system analysis | cone-beam CT | extremities imaging | dosimetry | weight‐bearing imaging | cone‐beam CT | phantoms | optimisation | Modulation transfer functions | optical transfer function | Computed tomography | Numerical optimization | Medical X‐ray imaging | muscle | Image detection systems | image resolution | Image scanners | Medical imaging | Fluoroscopy | bone | diagnostic radiography | Image sensors | computerised tomography | Cone beam computed tomography | Medical image reconstruction | Digital radiography | Spatial resolution | flat‐panel detector | Dosimetry/exposure assessment | TOMOSYNTHESIS | DETECTABILITY | ARTHRITIS | COMPUTED-TOMOGRAPHY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | RADIOLOGY | DETECTIVE QUANTUM EFFICIENCY | GEOMETRY | Cone-Beam Computed Tomography - statistics & numerical data | Cone-Beam Computed Tomography - instrumentation | Extremities - diagnostic imaging | Humans | Scattering, Radiation | Radiation Dosage | Cone-Beam Computed Tomography - methods | Musculoskeletal System - diagnostic imaging | Phantoms, Imaging | Equipment Design | Cadaver | Index Medicus | FLUOROSCOPY | SURGERY | DESIGN | SPATIAL RESOLUTION | TRANSFER FUNCTIONS | RADIATION DOSES | FILTRATION | SIMULATION | COMPUTERIZED TOMOGRAPHY | X-RAY SOURCES | PLANNING | BONE JOINTS | SPECIFICATIONS | RADIOLOGY AND NUCLEAR MEDICINE | OPTIMIZATION | PHANTOMS | QUANTUM EFFICIENCY | DOSIMETRY | MUSCLES | Radiation Imaging Physics
Journal Article
Medical Physics, ISSN 0094-2405, 08/2014, Volume 41, Issue 8Part1, pp. 260 - n/a
Purpose: Nonstationarity is an important aspect of imaging performance in CT and cone-beam CT (CBCT), especially for systems employing iterative... 
iterative methods | Medical image noise | penalized‐likelihood reconstruction | Noise | cascaded systems analysis | cone‐beam CT | Digital computing or data processing equipment or methods, specially adapted for specific applications | Modulation transfer functions | optical transfer function | imaging task | Computed tomography | modulation transfer function | Numerical approximation and analysis | Computerised tomographs | image resolution | medical image processing | statistical reconstruction | Reconstruction | Image enhancement or restoration, e.g. from bit‐mapped to bit‐mapped creating a similar image | noise‐power spectrum | filtering theory | Spatial analysis | image reconstruction | Biological material, e.g. blood, urine; Haemocytometers | X‐ray detectors | image denoising | image quality | computerised tomography | Cone beam computed tomography | detectability index | Image data processing or generation, in general | Medical image reconstruction | nonstationary noise | Spatial resolution | noise-power spectrum | cone-beam CT | penalized-likelihood reconstruction | MAXIMUM-LIKELIHOOD | SPATIAL-RESOLUTION PROPERTIES | DIAGNOSTIC-RADIOLOGY | LESION DETECTABILITY | RAY COMPUTED-TOMOGRAPHY | FLAT-PANEL IMAGERS | HUMAN OBSERVER PERFORMANCE | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | CASCADED SYSTEMS-ANALYSIS | Artifacts | Motion | Likelihood Functions | Anisotropy | Models, Biological | Computer Simulation | Humans | Tomography, X-Ray Computed - methods | Phantoms, Imaging | Tomography, X-Ray Computed - instrumentation | Index Medicus | RADIOLOGY AND NUCLEAR MEDICINE | IMAGE PROCESSING | SPATIAL RESOLUTION | ITERATIVE METHODS | ANISOTROPY | CAT SCANNING | Radiation Imaging Physics
Journal Article
Journal Article
Medical Physics, ISSN 0094-2405, 10/2014, Volume 41, Issue 10, pp. 101907 - n/a
Purpose: Photon counting detectors (PCDs) are an emerging technology with applications in spectral and low-dose radiographic and tomographic imaging. This... 
Silicon detectors | detective quantum efficiency | Medical image noise | Noise | cascaded systems analysis | Digital computing or data processing equipment or methods, specially adapted for specific applications | Modulation transfer functions | optical transfer function | photon counting | modulation transfer function | Image detection systems | Diffusion | image resolution | medical image processing | charge sharing model | Charge carriers | Image enhancement or restoration, e.g. from bit‐mapped to bit‐mapped creating a similar image | noise‐power spectrum | diagnostic radiography | Photons | Biological material, e.g. blood, urine; Haemocytometers | X‐ray detectors | image denoising | Radiography | Image sensors | image quality | Photometry, e.g. photographic exposure meter | Image data processing or generation, in general | photon counting detector | Spatial resolution | noise-power spectrum | SILICON STRIP DETECTOR | DIAGNOSTIC-RADIOLOGY | PERFORMANCE EVALUATION | ACTIVE-MATRIX | DIGITAL MAMMOGRAPHY | X-RAY-DETECTORS | MODULATION TRANSFER-FUNCTION | FLAT-PANEL IMAGERS | QUANTUM EFFICIENCY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Models, Theoretical | Algorithms | Fourier Analysis | X-Rays | Diagnostic Imaging - instrumentation | Signal-To-Noise Ratio | Index Medicus | RADIATION DETECTORS | SPATIAL RESOLUTION | PERFORMANCE | RADIOLOGY AND NUCLEAR MEDICINE | NOISE | COMPARATIVE EVALUATIONS | 60 APPLIED LIFE SCIENCES | READOUT SYSTEMS | COMPUTERIZED SIMULATION | Radiation Imaging Physics
Journal Article
Medical Physics, ISSN 0094-2405, 08/2011, Volume 38, Issue 8, pp. 4563 - 4574
Purpose: A flat-panel detector based mobile isocentric C-arm for cone-beam CT (CBCT) has been developed to allow intraoperative 3D imaging with sub-millimeter... 
image-guided surgery | image quality | flat-panel detector | vertebroplasty | mobile C-Arm | spine surgery | minimally invasive | cone-beam CT | Medical image quality | Medical image noise | orthopaedics | dosimetry | biomedical equipment | cone‐beam CT | Biomedical instrumentation and transducers, including micro‐electro‐mechanical systems (MEMS) | Computed tomography | mobile C‐Arm | image‐guided surgery | Medical imaging | bone | diagnostic radiography | Fluoroscopy | Digital fluoroscopy | Image sensors | Interpolation | computerised tomography | Cone beam computed tomography | Visibility | flat‐panel detector | Dosimetry/exposure assessment | surgery | HEAD | CALIBRATION | TOMOSYNTHESIS | SOFT-TISSUE DETECTABILITY | COMPUTED-TOMOGRAPHY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | EXPOSURE | Intraoperative Period | Radiography, Interventional | Thoracic Vertebrae - diagnostic imaging | Lumbar Vertebrae - diagnostic imaging | Humans | Imaging, Three-Dimensional - methods | Vertebroplasty | Radiation Dosage | Thoracic Vertebrae - surgery | Cone-Beam Computed Tomography - statistics & numerical data | Lumbar Vertebrae - surgery | Spine - diagnostic imaging | Radiographic Image Interpretation, Computer-Assisted - methods | Imaging, Three-Dimensional - statistics & numerical data | Radiometry | Spine - surgery | Cone-Beam Computed Tomography - methods | Phantoms, Imaging | Cadaver | Minimally Invasive Surgical Procedures | Index Medicus | FLUOROSCOPY | SURGERY | INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY | DISTRIBUTION | SPATIAL RESOLUTION | BEAMS | PERFORMANCE | NOISE | RADIATION DOSES | COMPUTERIZED TOMOGRAPHY | X-RAY TUBES | CHEST | RADIATION DOSE DISTRIBUTIONS | IMAGE INTENSIFIERS | IMAGES | ATTENUATION | ORBITS | RADIOLOGY AND NUCLEAR MEDICINE | DETECTION | PHANTOMS | DOSIMETRY | Radiation Imaging Physics
Journal Article