Phantoms, Imaging Concept

subject area of

• 2D/3D registration algorithm for lung brachytherapy  Journal Articles
• Ex vivo quantification of lanthanum and gadolinium in post-mortem human tibiae with estimated barium and iodine concentrations using K x-ray fluorescence  Journal Articles
• In vivo measurement of bone aluminum in population living in southern Ontario, Canada  Journal Articles
• In vivoassessment of magnesium status in human body using accelerator-based neutron activation measurement of hands: A pilot study  Journal Articles
• In vivoinvestigation of a new¹⁰⁹Cd γ-ray induced K-XRF bone lead measurement system  Journal Articles
• In vivomeasurement of lead in the bones of smelter workers using the four-element ‘clover-leaf’ geometry detector system  Journal Articles
• A Monte Carlo and physical phantom evaluation of quantitative In-111 SPECT  Journal Articles
• A Morphological Algorithm for Measuring Angle of Airway Branches in Lung CT Images  Journal Articles
• A Multi-Step Algorithm for Measuring Airway Luminal Diameter and Wall Thickness in Lung CT Images  Journal Articles
• A diffusion theory model of spatially resolved fluorescence from depth-dependent fluorophore concentrations  Journal Articles
• A feasibility study to determine the potential ofin vivodetection of gadolinium by x-ray fluorescence (XRF) following gadolinium-based contrast-enhanced MRI  Journal Articles
• A method detection limit for potentialin vivoarsenic measurements with a 50 W x-ray tube  Journal Articles
• A model of blood supply to the brain via the carotid arteries: Effects of obstructive vs. sclerotic changes  Journal Articles
• A neutron activation technique for manganese measurements in humans  Journal Articles
• A novel approach to total skin irradiation using helical TomoTherapy  Journal Articles
• A phantom-based feasibility study for detection of gadolinium in bone in-vivo using X-ray fluorescence  Journal Articles
• A preliminary study for non-invasive quantification of manganese in human hand bones  Journal Articles
• A projection image database to investigate factors affecting image quality in weight-based dosing: application to pediatric renal SPECT  Journal Articles
• A quantitative study of susceptibility and additional frequency shift of three common materials in MRI  Journal Articles
• A simplified formula for T1 contrast optimization for short-TR steady-state incoherent (spoiled) gradient echo sequences  Journal Articles
• A statistical investigation of the scaling factor method of beta‐ray dose distribution derivation: The scaling factor for water to bone  Journal Articles
• A unified material decomposition framework for quantitative dual‐ and triple‐energy CT imaging  Journal Articles
• Accuracy of T1 measurements at high temporal resolution: Feasibility of dynamic measurement of blood T1 after contrast administration  Journal Articles
• Accurate determination of spin‐density and T₁ in the presence of RF‐field inhomogeneities and flip‐angle miscalibration  Journal Articles
• An MRI method for measuring T₂ in the presence of static and RF magnetic field Inhomogeneities  Journal Articles
• An Overview of Attenuation and Scatter Correction of Planar and SPECT Data for Dosimetry Studies  Journal Articles
• An accelerator based system for in vivo neutron activation analysis measurements of manganese in human hand bones  Journal Articles
• An agreed statement on calculating lead concentration and uncertainty in XRF in vivo bone lead analysis  Journal Articles
• An approach to evaluation of the point‐spread function for ²³Na magnetic resonance imaging  Journal Articles
• An empirical model of electronic portal imager response implemented within a commercial treatment planning system for verification of intensity-modulated radiation therapy fields.  Journal Articles
• An improved method for susceptibility and radius quantification of cylindrical objects from MRI  Journal Articles
• An investigation of the¹⁰⁹Cd  -ray induced K-x-ray fluorescence (XRF) bone-lead measurement calibration procedure  Journal Articles
• An iterative reconstruction technique for geometric distortion-corrected segmented echo-planar imaging  Journal Articles
• Application of the scaling factor method to estimation of beta dose distributions for dissimilar media separated by a planar interface  Journal Articles
• Artery and vein separation using susceptibility-dependent phase in contrast-enhanced MRA  Journal Articles
• Assessment of the effect of strontium, lead, and aluminum in bone on dual‐energy x‐ray absorptiometry and quantitative ultrasound measurements: A phantom study  Journal Articles
• Astigmatism corrected common path probe for optical coherence tomography  Journal Articles
• Automatic image guidance for prostate IMRT using low dose CBCT  Journal Articles
• Bioluminescence Tomography–Guided Radiation Therapy for Preclinical Research  Journal Articles
• CT assessment of tumour response to treatment: comparison of linear, cross-sectional and volumetric measures of tumour size.  Journal Articles
• Calibration of the¹²⁵I-induced x-ray fluorescence spectrometry-based system ofin vivobone strontium determinations using hydroxyapatite as a phantom material: a simulation study  Journal Articles
• Changes in In Vivo Optical Properties and Light Distributions in Normal Canine Prostate during Photodynamic Therapy  Journal Articles
• Characterization of 3-Dimensional PET Systems for Accurate Quantification of Myocardial Blood Flow  Journal Articles
• Characterization of a Time-Resolved Diffuse Optical Spectroscopy Prototype Using Low-Cost, Compact Single Photon Avalanche Detectors for Tissue Optics Applications  Journal Articles
• Coherent normalization forin vivomeasurements of gadolinium in bone  Journal Articles
• Commutator filter: A novel technique for the identification of structures producing significant susceptibility inhomogeneities and its application to functional MRI  Journal Articles
• Comparison of compressed sensing reconstruction algorithms for 31P magnetic resonance spectroscopic imaging  Journal Articles
• Compensation for spill-in and spill-out partial volume effects in cardiac PET imaging  Journal Articles
• Composite depth dose measurement for total skin electron (TSE) treatments using radiochromic film  Journal Articles
• Comprehensive characterization of ExacTrac stereoscopic image guidance system using Monte Carlo and Spektr simulations  Journal Articles
• Confirming improved detection of gadolinium in bone using in vivo XRF  Journal Articles
• Dependence of vessel area accuracy and precision as a function of MR imaging parameters and boundary detection algorithm  Journal Articles
• Design of a digital phantom population for myocardial perfusion SPECT imaging research  Journal Articles
• Design of a phantom equivalent to measure bone-fluorine in a human's hand via delayed neutron activation analysis  Journal Articles
• Design of static and dynamic ridge filters for FLASH–IMPT: A simulation study  Journal Articles
• Design study of a high-resolution breast-dedicated PET system built from cadmium zinc telluride detectors  Journal Articles
• Detection of Hemorrhagic Hypointense Foci in the Brain on Susceptibility-Weighted Imaging  Journal Articles
• Determination of the optical properties of turbid media from a single Monte Carlo simulation  Journal Articles
• Development and Validation of a Monte Carlo Simulation Tool for Multi-Pinhole SPECT  Journal Articles
• Development and evaluation of an improved quantitative ⁹⁰Y bremsstrahlung SPECT method  Journal Articles
• Development of a 170 Tm source for mercury monitoring studies in humans using XRF  Journal Articles
• Development of an accelerator based determination of aluminum burden in peripheral bone by neutron activation analysis  Journal Articles
• Differentiating platinum coated brachytherapy seeds and gold fiducial markers with varying off-resonant frequency offsets  Journal Articles
• Does needle rotation improve lesion targeting?  Journal Articles
• Dose calculation in proton therapy using a discovery cross‐domain generative adversarial network (DiscoGAN)  Journal Articles
• Dynamic CT measurement of cerebral blood flow: a validation study.  Journal Articles
• Effects of fiber-optic probe design and probe-to-target distance on diffuse reflectance measurements of turbid media: an experimental and computational study at 337 nm  Journal Articles
• Endovascular Shear Strain Elastography for the Detection and Characterization of the Severity of Atherosclerotic Plaques: In Vitro Validation and In Vivo Evaluation  Journal Articles
• Estimation of a method detection limit for anin vivoXRF arsenic detection system  Journal Articles
• Estimation of dynamic time activity curves from dynamic cardiac SPECT imaging  Journal Articles
• Evaluation of a Multi-pinhole Collimator for Imaging Small Animals with Different Sizes  Journal Articles
• Evaluation of quantitative imaging methods for organ activity and residence time estimation using a population of phantoms having realistic variations in anatomy and uptake  Journal Articles
• Experimental recovery of intrinsic fluorescence and fluorophore concentration in the presence of hemoglobin: spectral effect of scattering and absorption on fluorescence  Journal Articles
• Experimental verification of the effect of refractive index mismatch on the light fluence in a turbid medium  Journal Articles
• Factors affectingin vivomeasurement precision and accuracy of¹⁰⁹Cd K x-ray fluorescence measurements  Journal Articles
• Fast magnetization transfer saturation imaging of the brain using MP2RAGE T₁ mapping  Journal Articles
• Fast modelling of the collimator–detector response in Monte Carlo simulation of SPECT imaging using the angular response function  Journal Articles
• Fast spin‐echo for multiple mouse magnetic resonance phenotyping  Journal Articles
• Feasibility of an MRI-only workflow for postimplant dosimetry of low-dose-rate prostate brachytherapy: Transition from phantoms to patients  Journal Articles
• Feasibility of measuring arsenic and selenium in human skin usingin vivox-ray fluorescence (XRF)—a comparison of methods  Journal Articles
• Feasibility of measuring selenium in humans usingin vivoneutron activation analysis  Journal Articles
• Feasibility study of patient‐specific dose verification in proton therapy utilizing positron emission tomography (PET) and generative adversarial network (GAN)  Journal Articles
• Feasibility study of range verification based on proton-induced acoustic signals and recurrent neural network  Journal Articles
• Frequency‐domain near‐infrared photo diffusion imaging: Initial evaluation in multitarget tissuelike phantoms  Journal Articles
• Gadolinium detection viain vivoprompt gamma neutron activation analysis following gadolinium-based contrast agent injection: a pilot study in 10 human participants  Journal Articles
• Gamma Ray Nuclear Resonance Absorption: An Alternative Method for in Vivo Body Composition Studies  Journal Articles
• Generating anthropomorphic phantoms using fully unsupervised deformable image registration with convolutional neural networks  Journal Articles
• Geometric distortion correction in gradient‐echo imaging by use of dynamic time warping  Journal Articles
• Girth‐based administered activity for pediatric ^99mTc‐DMSA SPECT  Journal Articles
• Haemoglobin oxygenation of a two-layer tissue-simulating phantom from time-resolved reflectance: effect of top layer thickness  Journal Articles
• Human soft tissue analysis using x-ray or gamma-ray techniques  Journal Articles
• Hyperspectral fluorescence lifetime imaging for optical biopsy  Journal Articles
• Identification of oxygen-19 duringin vivoneutron activation analysis of water phantoms  Journal Articles
• Imaging patients pre and post deep brain stimulation: Localization of the electrodes and their targets  Journal Articles
• Improved Compressed Sensing-Based Algorithm for Sparse-View CT Image Reconstruction  Journal Articles
• Improved MR venography using quantitative susceptibility-weighted imaging  Journal Articles
• Improved continuous light diffusion imaging in single- and multi-target tissue-like phantoms  Journal Articles
• Improvements in anin vivoneutron activation analysis (NAA) method for the measurement of fluorine in human bone  Journal Articles
• Improving the in vivo X-ray fluorescence (XRF) measurement of renal mercury  Journal Articles
• In vivo X-ray fluorescence (XRF) measurement of uranium in bone  Journal Articles
• Increased brain volumetric measurement precision from multi-site 3D T1-weighted 3 T magnetic resonance imaging by correcting geometric distortions  Journal Articles
• Initial assessment of a simple system for frequency domain diffuse optical tomography  Journal Articles
• Integrating spheres for improved skin photodynamic therapy  Journal Articles
• Intercomparison of Monte Carlo radiation transport codes to model TEPC response in low-energy neutron and gamma-ray fields  Journal Articles
• Intraindividual variability of striatal 1H-MRS brain metabolite measurements at 3 T  Journal Articles
• Investigating coherent normalization and dosimetry for the ²⁴¹Am-La K XRF system  Journal Articles
• Investigation of the accuracy of a portable ¹⁰⁹Cd XRF system for the measurement of iron in skin  Journal Articles
• In–vivo characterization of left–ventricle pressure–volume telemetry system in swine model  Journal Articles
• Joint reconstruction of Ictal/inter-ictal SPECT data for improved epileptic foci localization  Journal Articles
• Limitations of calculating field distributions and magnetic susceptibilities in MRI using a Fourier based method  Journal Articles
• Localizing implanted fiducial markers using undersampled co-RASOR MR imaging  Journal Articles
• MRI-based automated detection of implanted low dose rate (LDR) brachytherapy seeds using quantitative susceptibility mapping (QSM) and unsupervised machine learning (ML)  Journal Articles
• Machine learning based oxygen and carbon concentration derivation using dual‐energy CT for PET‐based dose verification in proton therapy  Journal Articles
• Machine vision augmented reality for pedicle screw insertion during spine surgery  Journal Articles
• Measurement of fluorophore concentrations and fluorescence quantum yield in tissue-simulating phantoms using three diffusion models of steady-state spatially resolved fluorescence  Journal Articles
• Measurement of skin surface dose distributions in radiation therapy using poly(vinyl alcohol) cryogel dosimeters  Journal Articles
• Measurements of fluorine in contemporary urban Canadians: a comparison of the levels found in human bone usingin vivoandex vivoneutron activation analysis  Journal Articles
• Measuring iron in the brain using quantitative susceptibility mapping and X-ray fluorescence imaging  Journal Articles
• Megavoltage imaging with low Z targets: Implementation and characterization of an investigational system  Journal Articles
• Methodology for examining polarized light interactions with tissues and tissuelike media in the exact backscattering direction  Journal Articles
• Model-Based Deformable Registration of Preoperative 3D to Intraoperative Low-Resolution 3D and 2D Sequences of MR Images  Journal Articles
• Model-based compensation for quantitative¹²³I brain SPECT imaging  Journal Articles
• Model-based crosstalk compensation for simultaneous 99mTc/123I dual-isotope brain SPECT imaging.  Journal Articles
• Modeling changes in the hemoglobin concentration of skin with total diffuse reflectance spectroscopy  Journal Articles
• Model‐based crosstalk compensation for simultaneous dual‐isotope brain SPECT imaging  Journal Articles
• Modified fast adaptive scatter kernel superposition (mfASKS) correction and its dosimetric impact on CBCT‐based proton therapy dose calculation  Journal Articles
• Monte Carlo design study for in vivo bone aluminum measurement using a low energy accelerator beam  Journal Articles
• Monte Carlo investigations of distance-dependent effects on energy deposition in K-shell x-ray fluorescence bone lead measurement  Journal Articles
• Monte Carlo simulation of source-excitedin vivox-ray fluorescence measurements of heavy metals  Journal Articles
• Monte Carlo simulations of in vivo K-shell X-ray fluorescence bone lead measurement and implications for radiation dosimetry  Journal Articles
• Multivariate calibration for quantitative analysis of EDXRD spectra from a bone phantom  Journal Articles
• Neonatal Body Composition: Dual-Energy X-Ray Absorptiometry, Magnetic Resonance Imaging, and Three-Dimensional Chemical Shift Imaging versus Chemical Analysis in Piglets  Journal Articles
• New devices to deliver somatosensory stimuli during functional MRI  Journal Articles
• Noninvasive measurement and imaging of liver iron concentrations using proton magnetic resonance  Journal Articles
• Normalisation with coherent scatter signal: improvements in the calibration procedure of the -based in vivo XRF bone-Pb measurement  Journal Articles
• Observed Deposition of Gadolinium in Bone Using a New Noninvasive in Vivo Biomedical Device: Results of a Small Pilot Feasibility Study  Journal Articles
• Open-Source High-Throughput Phenomics of Bacterial Promoter-Reporter Strains  Journal Articles
• Optimization and evaluation of reconstruction-based compensation methods and reconstruction parameters for Tc-99m MIBI parathyroid SPECT  Journal Articles
• Partial Fourier imaging in multi‐dimensions: A means to save a full factor of two in time  Journal Articles
• Partial volume effect compensation for quantitative brain SPECT imaging  Journal Articles
• Patient-Specific Magnetic Catheters for Atraumatic Autonomous Endoscopy  Journal Articles
• Patient‐specific pixel‐based weighting factor dual‐energy x‐ray imaging system using a priori CT data  Journal Articles
• Performance appraisals of digital spectroscopy systems for the measurement of bone lead  Journal Articles
• Performance comparison of two Olympus InnovX handheld x-ray analyzers for feasibility of measuring arsenic in skin in vivo – Alpha and Delta models  Journal Articles
• Performance of the dynamic single photon emission computed tomography (dSPECT) method for decreasing or increasing activity changes  Journal Articles
• Phantoms for Cross-Calibration of Dual Energy X-ray Absorptiometry Measurements in Infants  Journal Articles
• Phosphorus magnetic resonance spectroscopic imaging using flyback echo planar readout trajectories  Journal Articles
• Potential applications of the quantitative susceptibility mapping (QSM) in MR-guided radiation therapy  Journal Articles
• Precision placement of instruments for minimally invasive procedures using a “needle driver” robot  Journal Articles
• Proton FLASH: passive scattering or pencil beam scanning?  Journal Articles
• Quantification of bioluminescence images of point source objects using diffusion theory models  Journal Articles
• Quantification of bone strontium levels in humans byin vivox-ray fluorescence  Journal Articles
• Quantification of errors in volume measurements of the caudate nucleus using magnetic resonance imaging  Journal Articles
• Quantification of fluorophore concentration in vivo using two simple fluorescence-based measurement techniques  Journal Articles
• Quantification of manganese in human hand bones: a feasibility study  Journal Articles
• Quantification of punctate iron sources using magnetic resonance phase  Journal Articles
• Quantifying errors in flow measurement using phase contrast magnetic resonance imaging: comparison of several boundary detection methods  Journal Articles
• Quantifying magnetic nanoparticles in non-steady flow by MRI  Journal Articles
• Quantitation of T₂′ anisotropic effects on magnetic resonance bone mineral density measurement  Journal Articles
• Quantitative MRI using STrategically Acquired Gradient Echo (STAGE): optimization for 1.5 T scanners and T1 relaxation map validation  Journal Articles
• Quantitative fluorescence imaging of point-like sources in small animals  Journal Articles
• Quantitative regional brain water measurement with magnetic resonance imaging in a focal ischemia model  Journal Articles
• Range and dose verification in proton therapy using proton-induced positron emitters and recurrent neural networks (RNNs)  Journal Articles
• Rapid high-resolution three-dimensional mapping of T1 and age-dependent variations in the non-human primate brain using magnetization-prepared rapid gradient-echo (MPRAGE) sequence  Journal Articles
• Rapid multicontrast brain imaging on a 0.35T MR‐linac  Journal Articles
• Real-time fusion of endoscopic views with dynamic 3-D cardiac images: a phantom study  Journal Articles
• Reconstruction of organ doses for patients undergoing computed tomography examinations in Canada 1992–2019  Journal Articles
• Reducing oblique flow effects in interleaved EPI with a centric reordering technique  Journal Articles
• Removing background phase variations in susceptibility‐weighted imaging using a fast, forward‐field calculation  Journal Articles
• Repeat Prostate Biopsy Accuracy: Simulator-based Comparison of Two- and Three-dimensional Transrectal US Modalities  Journal Articles
• Resolution and registration in dual-plane co-RASOR MR  Journal Articles
• Resting state fMRI scanner instabilities revealed by longitudinal phantom scans in a multi-center study  Journal Articles
• Review of tissue simulating phantoms for optical spectroscopy, imaging and dosimetry  Journal Articles
• Robust selective signal suppression using binomial off‐resonant rectangular (BORR) pulses  Journal Articles
• Simultaneous Tc-99m/I-123 dual-radionuclide myocardial perfusion/innervation imaging using Siemens IQ-SPECT with SMARTZOOM collimator  Journal Articles
• Simultaneous assessment of cardiac perfusion and function using 5-dimensional imaging with Tc-99m teboroxime  Journal Articles
• Size-Controllable Region-of-Interest in Scalable Image Representation  Journal Articles
• Software‐based respiratory gating for small animal conebeam CT  Journal Articles
• Spatial resolution recovery utilizing multi-ray tracing and graphic processing unit in PET image reconstruction  Journal Articles
• Susceptibility and size quantification of small human veins from an MRI method  Journal Articles
• Susceptibility mapping of air, bone, and calcium in the head  Journal Articles
• Susceptibility weighted imaging and quantitative susceptibility mapping of the cerebral vasculature using ferumoxytol  Journal Articles
• System for Robotically Assisted Percutaneous Procedures with Computed Tomography Guidance  Journal Articles
• System for Robotically Assisted Prostate Biopsy and Therapy with Intraoperative CT Guidance  Journal Articles
• Systematic calibration of an integrated x‐ray and optical tomography system for preclinical radiation research  Journal Articles
• Systematic study of target localization for bioluminescence tomography guided radiation therapy  Journal Articles
• Technical Note: An anthropomorphic phantom with implanted neurostimulator for investigation of MRI safety  Journal Articles
• Technical Note: Bone mineral density measurements of strontium‐rich trabecular bone‐mimicking phantoms using quantitative ultrasound  Journal Articles
• Technical note: System uncertainty on four‐ and eight‐channel parallel RF transmission for safe MRI of deep brain stimulation devices  Journal Articles
• The capability of detecting small vessels beyond the conventional MRI sensitivity using iron‐based contrast agent enhanced susceptibility weighted imaging  Journal Articles
• The feasibility of in vivo detection of gadolinium by prompt gamma neutron activation analysis following gadolinium-based contrast-enhanced MRI  Journal Articles
• The feasibility of measuring bone uranium concentrationsin vivousing source excited K x-ray fluorescence  Journal Articles
• The feasibility ofin vivodetection of lanthanum using a²⁴¹Am K x-ray fluorescence system  Journal Articles
• The feasibility ofin vivoquantification of bone-fluorine in humans by delayed neutron activation analysis: a pilot study  Journal Articles
• The use of magnetic field effects on photosensitizer luminescence as a novel probe for optical monitoring of oxygen in photodynamic therapy  Journal Articles
• The use of noise equivalent count rate and the NEMA phantom for PET image quality evaluation  Journal Articles
• The use of spatially resolved fluorescence and reflectance to determine interface depth in layered fluorophore distributions  Journal Articles
• Therapeutic potential of 90Y- and 131I-labeled anti-CD20 monoclonal antibody in treating non-Hodgkin's lymphoma with pulmonary involvement: a Monte Carlo-based dosimetric analysis.  Journal Articles
• Three‐dimensional regions‐of‐interest–based intra‐operative four‐dimensional soft tissue perfusion imaging using a standard x‐ray system with no gantry rotation: A simulation study for a proof of concept  Journal Articles
• Three‐dimensional simultaneous brain mapping of T1, T2, and magnetic susceptibility with MR Multitasking  Journal Articles
• Tissue characterization of arteries with 4 MHz ultrasound  Journal Articles
• TransMorph: Transformer for unsupervised medical image registration  Journal Articles
• Uncertainty calculations for the measurement ofin vivobone lead by x-ray fluorescence  Journal Articles
• Use of a Qualification Phantom for PET Brain Imaging in a Multicenter Consortium: A Collaboration Between the Pediatric Brain Tumor Consortium and the SNMMI Clinical Trials Network  Journal Articles