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Medical Physics, ISSN 0094-2405, 01/2009, Volume 36, Issue 1, pp. 48 - 58
Use of cone-beam computed tomography (CBCT) is becoming more frequent. For proper reconstruction, the geometry of the CBCT systems must be known. While the... 
cone-beam reconstruction | micro-CT | artifact reduction | self-calibration | Reconstruction | Medical imaging | image registration | X‐ray imaging | Units and standards | image reconstruction | X‐ray detectors | phantoms | Image sensors | computerised tomography | micro‐CT | optical transfer function | Cone beam computed tomography | Computed tomography | Medical X‐ray imaging | Registration | cone‐beam reconstruction | Medical image reconstruction | calibration | self‐calibration | medical image processing | Micro-CT | Self-calibration | Cone-beam reconstruction | Artifact reduction | MISALIGNMENT | PHANTOM | RECONSTRUCTION ALGORITHM | PARAMETERS | CLINICAL-APPLICATION | COMPUTED-TOMOGRAPHY | REDUCTION | FLAT-PANEL DETECTOR | ARM | GEOMETRIC CALIBRATION | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Radiographic Image Enhancement - standards | Reproducibility of Results | United States | Imaging, Three-Dimensional - methods | Radiographic Image Enhancement - methods | Calibration | Radiographic Image Interpretation, Computer-Assisted - standards | Cone-Beam Computed Tomography - standards | Algorithms | Cone-Beam Computed Tomography - instrumentation | Radiographic Image Interpretation, Computer-Assisted - methods | Sensitivity and Specificity | Cone-Beam Computed Tomography - methods | CORRECTIONS | INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY | CALIBRATION | IMAGE PROCESSING | RADIOLOGY AND NUCLEAR MEDICINE | QUALITY CONTROL | PHANTOMS | COMPUTERIZED TOMOGRAPHY | X-RAY SOURCES | GEOMETRY | Radiation Imaging Physics
Journal Article
CPEM Digest (Conference on Precision Electromagnetic Measurements), ISSN 0589-1485, 09/2014, pp. 614 - 615
The application of a simple binary step up method for possible calibration of high current DC shunts up to a few thousand amperes in which a pair of HCDC... 
comparison | current coefficient | drift of voltage | High current DC | calibration | voltage measurement | current ratio | DC CT | Low currents | Conferences | High current | Direct current | Shunt resistance | Calibration | Coefficients | Bypasses | Shunts
Conference Proceeding
Journal of Nuclear Medicine, ISSN 0161-5505, 06/2010, Volume 51, Issue 6, pp. 921 - 928
We present a calibration method of a clinical SPECT/CT device for quantitative (99m)Tc SPECT. We use a commercially available reconstruction package including... 
Quantitative spect | OSEM-3D | System calibration | SPECT/CT | Reproducibility of Results | Tomography, Emission-Computed, Single-Photon - methods | Humans | Sensitivity and Specificity | Imaging, Three-Dimensional - methods | Tomography, X-Ray Computed - methods | Scattering, Radiation | Software | Technetium | Calibration | Phantoms, Imaging
Journal Article
JOURNAL OF NUCLEAR MEDICINE, ISSN 0161-5505, 06/2010, Volume 51, Issue 6, pp. 921 - 928
We present a calibration method of a clinical SPECT/CT device for quantitative Tc-99m SPECT. We use a commercially available reconstruction package including... 
ORGAN ACTIVITY | quantitative SPECT | system calibration | ABSOLUTE QUANTITATION | COMPENSATION | IMAGES | RECONSTRUCTION | QUANTIFICATION | IMPLEMENTATION | OSEM-3D | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | SPECT/CT
Journal Article
by He, Di and Mao, Heng
Sensing and Imaging, ISSN 1557-2064, 12/2018, Volume 19, Issue 1, pp. 1 - 12
Practical imaging system needs to be carefully calibrated before it is used for imaging algorithm design and verification. In this work, we have implemented a... 
Engineering | Microwaves, RF and Optical Engineering | Diffused optical tomography (DOT) | Parameter calibration | Imaging system | Imaging / Radiology | Electrical Engineering | CT imaging | Algorithms | Detectors | Imaging systems
Journal Article
Radiological Physics and Technology, ISSN 1865-0333, 12/2017, Volume 10, Issue 4, pp. 439 - 445
The present study aimed to validate the absolute quantitative accuracy of a calibration method for single-photon emission computed tomography (SPECT) using... 
Radioactivity concentration | System sensitivity | Medicine & Public Health | Quantitative SPECT | Nuclear Medicine | Medical and Radiation Physics | Imaging / Radiology | Radiotherapy | Cross-calibration factor | SPECT/CT | CT imaging | SPECT imaging | Methods
Journal Article
Measurement Science and Technology, ISSN 0957-0233, 09/2015, Volume 26, Issue 9, pp. 1 - 30
Industrial x-ray computed tomography (XCT) is seen as a potentially effective tool for the industrial inspection of complex parts. In particular, XCT is an... 
geometrical calibration | dimensional metrology | x-ray computed tomography | MISALIGNMENT | PINHOLE SPECT | PARAMETERS | ANALYTIC METHOD | INDUSTRIAL | CONE-BEAM CT | METROLOGY | INSTRUMENTS & INSTRUMENTATION | ENGINEERING, MULTIDISCIPLINARY | SELF-CALIBRATION | UNCERTAINTY | OPTIMIZATION | Errors | Error analysis | Computation | X-rays | Tomography | Inspection | Mathematical models | Calibration
Journal Article
CPEM 2016 - Conference on Precision Electromagnetic Measurements, Conference Digest, 08/2016, pp. 1 - 2
mA CTs are not addressed by either IEC or IEEE standards. They are used in power/energy measurement systems in large apartment buildings or shopping centers.... 
measurement uncertainty | Calibration system | current transformers | revenue metering | measuring CT | Apartment buildings | Shopping centers | Conferences | Energy measurement | Electromagnetic measurement | Calibration | Standards
Conference Proceeding
Medical Physics, ISSN 0094-2405, 05/2017, Volume 44, Issue 5, pp. 1692 - 1706
Purpose The positioning accuracy of each component is important to ensure the image quality of cone‐beam CT. However, accurate positioning is not easy and... 
geometric calibration | reconstruction | cone‐beam CT | cone-beam CT | MISALIGNMENT | MICRO-CT | IMAGING-SYSTEMS | PARAMETERS | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | COMPUTED-TOMOGRAPHY | Algorithms | Calibration | Image Processing, Computer-Assisted | Phantoms, Imaging | Humans | Cone-Beam Computed Tomography
Journal Article
IEEE Transactions on Nuclear Science, ISSN 0018-9499, 10/2013, Volume 60, Issue 5, pp. 3937 - 3944
Journal Article
2018 37th Chinese Control Conference (CCC), ISSN 1934-1768, 07/2018, Volume 2018-, pp. 1735 - 1739
This paper mainly studies data-based parameter calibration of the computed tomography (CT) system. By establishing a least squares algorithm model, CT system... 
Least Square Method | Data-based | CT system | Parameter Calibration | Computed tomography | Detectors | Genetic Algorithm | Programming | Attenuation | Calibration | Mathematical model | Genetic algorithms
Conference Proceeding