Medical physics

publication venue for

Smoothing intensity-modulated beam profiles to improve the efficiency of delivery. 2001
AAPM code of practice for radiotherapy accelerators: report of AAPM Radiation Therapy Task Group No. 45. 1994
Interleaved signal multiplexing readout in depth encoding Prism-PET detectors. 2023
Silicone-based materials with tailored MR relaxation characteristics for use in reduced coil visibility and in tissue-mimicking phantom design.. 50. 2023
A conformal TOF-DOI Prism-PET prototype scanner for high-resolution quantitative neuroimaging. 2023
High-resolution and high-sensitivity PET for quantitative molecular imaging of the monoaminergic nuclei: A GATE simulation study.. 49. 2022
Total-body parametric imaging using the Patlak model: Feasibility of reduced scan time.. 49. 2022
Patient-specific effects on sonication heating efficiency during magnetic resonance-guided focused ultrasound thalamotomy.. 48. 2021
Fully automated segmentation of brain tumor from multiparametric MRI using 3D context deep supervised U-Net.. 48. 2021
Sub-2 mm depth of interaction localization in PET detectors with prismatoid light guide arrays and single-ended readout using convolutional neural networks.. 48. 2021
Surface imaging for real-time patient respiratory function assessment in intensive care.. 48. 2020
Physical performance of a long axial field-of-view PET scanner prototype with sparse rings configuration: A Monte Carlo simulation study.. 47. 2020
Reliability of tumor segmentation in glioblastoma: Impact on the robustness of MRI-radiomic features.. 46. 2019
Prostate lesion delineation from multiparametric magnetic resonance imaging based on locality alignment discriminant analysis.. 45. 2018
A 4D global respiratory motion model of the thorax based on CT images: A proof of concept.. 45. 2018
Technical Note: Kinect V2 surface filtering during gantry motion for radiotherapy applications.. 45. 2018
A clinically validated prediction method for facial soft-tissue changes following double-jaw surgery.. 44. 2017
Toward a standard for the evaluation of PET-Auto-Segmentation methods following the recommendations of AAPM task group No. 211: Requirements and implementation.. 44. 2017
A fast, noniterative approach for accelerated high-temporal resolution cine-CMR using dynamically interleaved streak removal in the power-spectral encoded domain with low-pass filtering (DISPEL) and modulo-prime spokes (MoPS).. 44. 2017
Multi-site quality and variability analysis of 3D FDG PET segmentations based on phantom and clinical image data.. 44. 2017
Patient positioning in radiotherapy based on surface imaging using time of flight cameras.. 43. 2016
Resolution recovery for Compton camera using origin ensemble algorithm.. 43. 2016
Texture analyses of quantitative susceptibility maps to differentiate Alzheimer's disease from cognitive normal and mild cognitive impairment.. 43. 2016
Optimizing fiducial visibility on periodically acquired megavoltage and kilovoltage image pairs during prostate volumetric modulated arc therapy.. 43. 2016
Weekly response assessment of involved lymph nodes to radiotherapy using diffusion-weighted MRI in oropharynx squamous cell carcinoma.. 43. 2016
Local respiratory motion correction for PET/CT imaging: Application to lung cancer.. 42. 2015
Point/Counterpoint. Proton therapy is the most cost-effective modality for partial breast irradiation.. 42. 2015
Technical Note: Intrafractional changes in time lag relationship between anterior-posterior external and superior-inferior internal motion signals in abdominal tumor sites.. 42. 2015
Development of solid-state avalanche amorphous selenium for medical imaging.. 42. 2015
Cascaded systems analysis of photon counting detectors.. 41. 2014
Evaluation of tumor localization in respiration motion-corrected cone-beam CT: prospective study in lung.. 41. 2014
Assessing and accounting for the impact of respiratory motion on FDG uptake and viable volume for liver lesions in free-breathing PET using respiration-suspended PET images as reference.. 41. 2014
Automatic tracking of arbitrarily shaped implanted markers in kilovoltage projection images: a feasibility study.. 41. 2014
Dual-energy cone-beam CT with a flat-panel detector: effect of reconstruction algorithm on material classification.. 41. 2014
Effect of 176Lu intrinsic radioactivity on dual head PET system imaging and data acquisition, simulation, and experimental measurements.. 40. 2013
Event-by-event respiratory motion correction for PET with 3D internal-1D external motion correlation.. 40. 2013
Toward correcting drift in target position during radiotherapy via computer-controlled couch adjustments on a programmable Linac.. 40. 2013
Investigation of gated cone-beam CT to reduce respiratory motion blurring.. 40. 2013
Tracking the dynamic seroma cavity using fiducial markers in patients treated with accelerated partial breast irradiation using 3D conformal radiotherapy.. 40. 2013
A similarity study of content-based image retrieval system for breast cancer using decision tree.. 40. 2013
Fast transit portal dosimetry using density-scaled layer modeling of aSi-based electronic portal imaging device and Monte Carlo method.. 39. 2012
A study of respiration-correlated cone-beam CT scans to correct target positioning errors in radiotherapy of thoracic cancer.. 39. 2012
Measured dose rate constant from oncology patients administered 18F for positron emission tomography.. 39. 2012
Incorporation of treatment plan spatial and temporal dose patterns into a prostate intrafractional motion management strategy.. 39. 2012
Interactive semiautomatic contour delineation using statistical conditional random fields framework.. 39. 2012
Patient specific respiratory motion modeling using a 3D patient's external surface.. 39. 2012
Reduction of irregular breathing artifacts in respiration-correlated CT images using a respiratory motion model.. 39. 2012
SU-E-J-170: Clinical Evaluation of Positioning Accuracy of Two Immobilization Devices for Stereotactic Body Radiotherapy Using Cone Beam CT.. 39. 2012
SU-E-T-111: Single Line Multi-Detector Scintillation Dosimetry: Demonstration of Feasibility.. 39. 2012
SU-E-T-583: Feasibility of Constraining Dose to the Nausea Center (area Postrema and Dorsal Vagal Complex) in IMRT Treatment Planning of the Head and Neck.. 39. 2012
Automated beam placement for breast radiotherapy using a support vector machine based algorithm.. 39. 2012
Breast radiotherapy in the prone position primarily reduces the maximum out-of-field measured dose to the ipsilateral lung.. 39. 2012
Task-based modeling and optimization of a cone-beam CT scanner for musculoskeletal imaging.. 38. 2011
A dedicated cone-beam CT system for musculoskeletal extremities imaging: design, optimization, and initial performance characterization.. 38. 2011
Investigation of motion artifacts associated with fat saturation technique in 3D flash imaging.. 38. 2011
Determination of action thresholds for electromagnetic tracking system-guided hypofractionated prostate radiotherapy using volumetric modulated arc therapy.. 38. 2011
Technical note: Correlation of respiratory motion between external patient surface and internal anatomical landmarks.. 38. 2011
Magnetic resonance spectroscopy imaging in radiotherapy planning for recurrent glioma.. 38. 2011
Repeatability of SUV measurements in serial PET.. 38. 2011
Similarity evaluation in a content-based image retrieval (CBIR) CADx system for characterization of breast masses on ultrasound images.. 38. 2011
The Lung Image Database Consortium (LIDC) and Image Database Resource Initiative (IDRI): a completed reference database of lung nodules on CT scans.. 38. 2011
A novel respiratory tracking system for smart-gated PET acquisition.. 38. 2011
A support vector machine (SVM) for predicting preferred treatment position in radiotherapy of patients with breast cancer.. 37. 2010
Prostate and seminal vesicle volume based consideration of prostate cancer patients for treatment with 3D-conformal or intensity-modulated radiation therapy.. 37. 2010
Correction of motion artifacts in cone-beam CT using a patient-specific respiratory motion model.. 37. 2010
Dose correction strategy for the optimization of volumetric modulated arc therapy.. 37. 2010
Evaluation of respiration-correlated digital tomosynthesis in lung.. 37. 2010
In vivo bioluminescence tomography with a blocking-off finite-difference SP3 method and MRI/CT coregistration.. 37. 2010
Cumulative sum quality control for calibrated breast density measurements.. 36. 2009
Influence of volumes of prostate, rectum, and bladder on treatment planning CT on interfraction prostate shifts during ultrasound image-guided IMRT.. 36. 2009
A robotic system for 18F-FMISO PET-guided intratumoral pO2 measurements.. 36. 2009
IMRT commissioning: multiple institution planning and dosimetry comparisons, a report from AAPM Task Group 119.. 36. 2009
An iterative technique to segment PET lesions using a Monte Carlo based mathematical model.. 36. 2009
Malignant lesion segmentation in contrast-enhanced breast MR images based on the marker-controlled watershed.. 36. 2009
Modeling acute and chronic hypoxia using serial images of 18F-FMISO PET.. 36. 2009
Considering marker visibility during leaf sequencing for segmental intensity-modulated radiation therapy.. 36. 2009
A new automated method for the segmentation and characterization of breast masses on ultrasound images.. 36. 2009
A low-cost density reference phantom for computed tomography.. 36. 2009
In vivo quantification of contrast agent concentration using the induced magnetic field for time-resolved arterial input function measurement with MRI.. 35. 2008
Dosimetric and anatomic indicators of late rectal toxicity after high-dose intensity modulated radiation therapy for prostate cancer.. 35. 2008
Image deconvolution in digital autoradiography: a preliminary study.. 35. 2008
Characterization of mammographic masses based on level set segmentation with new image features and patient information.. 35. 2008
A patient-specific respiratory model of anatomical motion for radiation treatment planning.. 34. 2007
Accuracy and feasibility of cone-beam computed tomography for stereotactic radiosurgery setup.. 34. 2007
Design of respiration averaged CT for attenuation correction of the PET data from PET/CT.. 34. 2007
TG-69: radiographic film for megavoltage beam dosimetry.. 34. 2007
Ultrasonic tissue characterization via 2-D spectrum analysis: theory and in vitro measurements.. 34. 2007
Automated matching and segmentation of lymphoma on serial CT examinations.. 34. 2007
Pencil beam approach for correcting the energy dependence artifact in film dosimetry for IMRT verification.. 33. 2006
The management of respiratory motion in radiation oncology report of AAPM Task Group 76.. 33. 2006
Low-dose megavoltage cone-beam computed tomography for lung tumors using a high-efficiency image receptor.. 33. 2006
Integrating respiratory gating into a megavoltage cone-beam CT system.. 33. 2006
Marker-controlled watershed for lymphoma segmentation in sequential CT images.. 33. 2006
Evaluation of an automated deformable image matching method for quantifying lung motion in respiration-correlated CT images.. 33. 2006
Image-fusion of MR spectroscopic images for treatment planning of gliomas.. 33. 2006
Validation of GATE Monte Carlo simulations of the GE Advance/Discovery LS PET scanners.. 33. 2006
Intra- and interfractional patient motion for a variety of immobilization devices.. 32. 2005
A new method of incorporating systematic uncertainties in intensity-modulated radiotherapy optimization.. 32. 2005
Accurate setup of paraspinal patients using a noninvasive patient immobilization cradle and portal imaging.. 32. 2005
Influence of phantom material and phantom size on radiographic film response in therapy photon beams.. 32. 2005
Effect of motion on tracer activity determination in CT attenuation corrected PET images: A lung phantom study.. 32. 2005
Effect of motion on tracer activity determination in CT attenuation corrected PET images: a lung phantom study.. 32. 2005
Over the next decade the success of radiation treatment planning will be judged by the immediate biological response of tumor cells rather than by surrogate measures such as dose maximization and uniformity.. 32. 2005
ROC study of the effect of stereoscopic imaging on assessment of breast lesions.. 32. 2005
Developments in megavoltage cone beam CT with an amorphous silicon EPID: reduction of exposure and synchronization with respiratory gating.. 32. 2005
A method for determining the gantry angle for megavoltage cone beam imaging.. 32. 2005
Four-dimensional (4D) PET/CT imaging of the thorax.. 31. 2004
Predicting energy response of radiographic film in a 6 MV x-ray beam using Monte Carlo calculated fluence spectra and absorbed dose.. 31. 2004
Quantitation of respiratory motion during 4D-PET/CT acquisition.. 31. 2004
Computerized characterization of breast masses on three-dimensional ultrasound volumes.. 31. 2004
Microdosimetry of astatine-211 single-cell irradiation: role of daughter polonium-211 diffusion.. 31. 2004
A stereotactic method for the three-dimensional registration of multi-modality biologic images in animals: NMR, PET, histology, and autoradiography.. 30. 2003
Quantitative imaging of bromine-76 and yttrium-86 with PET: a method for the removal of spurious activity introduced by cascade gamma rays.. 30. 2003
Respiration-correlated spiral CT: a method of measuring respiratory-induced anatomic motion for radiation treatment planning.. 30. 2003
Cone-beam CT with megavoltage beams and an amorphous silicon electronic portal imaging device: potential for verification of radiotherapy of lung cancer.. 29. 2002
A simplified intensity modulated radiation therapy technique for the breast.. 29. 2002
Effect of respiratory gating on reducing lung motion artifacts in PET imaging of lung cancer.. 29. 2002
Computerized diagnosis of breast lesions on ultrasound.. 29. 2002
Delivery of intensity-modulated radiation therapy with a conventional multileaf collimator: comparison of dynamic and segmental methods.. 28. 2001
An iterative EPID calibration procedure for dosimetric verification that considers the EPID scattering factor.. 28. 2001
Comprehensive quality assurance for the delivery of intensity modulated radiotherapy with a multileaf collimator used in the dynamic mode.. 28. 2001
Automatic segmentation of breast lesions on ultrasound.. 28. 2001
Estimate of absorbed dose based on two-dimensional autoradiographic information in internal radionuclide therapy.. 28. 2001
Functional magnetic resonance imaging aided radiation treatment planning.. 27. 2000
Application of radiosurgery principles to a target in the breast: a dosimetric study.. 27. 2000
An automated iterative algorithm for water and fat decomposition in three-point Dixon magnetic resonance imaging.. 26. 1999
Two-dimensional multi-criterion segmentation of pulmonary nodules on helical CT images.. 26. 1999
Physical and dosimetric aspects of a multileaf collimation system used in the dynamic mode for implementing intensity modulated radiotherapy.. 25. 1998
Implementation of a Monte Carlo dosimetry method for patient-specific internal emitter therapy.. 24. 1997
An investigation of the physical characteristics of 66Ga as an isotope for PET imaging and quantification.. 24. 1997
Number and orientations of beams in intensity-modulated radiation treatments.. 24. 1997
Testing of dynamic multileaf collimation.. 23. 1996
Analysis of factors affecting the therapeutic gain in high dose rate gynecological implants relative to low dose rate implants.. 23. 1996
Dosimetric properties of a scanned beam microtron at low monitor unit settings: importance for conformal therapy.. 23. 1996
Dosimetric verification of intensity-modulated fields.. 23. 1996
Spatial mapping of the percentage cellularity in human bone marrow using magnetic resonance imaging.. 23. 1996
Electron dose profile shaping by modulation of a scanning elementary beam.. 23. 1996
Beam characteristics of a new generation 50 MeV racetrack microtron.. 22. 1995
Controlled mold geometry for surgical deficit treatment planning.. 22. 1995
A miniature MOSFET radiation dosimeter probe.. 21. 1994
Beam profiles along the nonwedged direction for large wedged fields.. 21. 1994
General solution of the radioactive parent-daughter relationship.. 21. 1994
Dose calculation for photon beams with intensity modulation generated by dynamic jaw or multileaf collimations.. 21. 1994
Collision avoidance in computer optimized treatment planning.. 21. 1994
Application of fast simulated annealing to optimization of conformal radiation treatments.. 20. 1993
Automatic generation of beam apertures.. 20. 1993
A model for computer-controlled delivery of 3-D conformal treatments.. 19. 1992
Compensators for three-dimensional treatment planning.. 18. 1991
Quantitative imaging of I-124 using positron emission tomography with applications to radioimmunodiagnosis and radioimmunotherapy.. 18. 1991
Dose distribution of 125I sources in different tissues.. 17. 1990
Dose parameters of 125I and 192Ir seed sources.. 16. 1989
The effect of angular spread on the intensity distribution of arbitrarily shaped electron beams.. 15. 1988
Monte Carlo simulation of a cobalt-60 beam.. 14. 1987
Scatter integration with right triangular fields.. 12. 1985
Two-dimensional dose distribution of 125I seeds.. 12. 1985
Variations on calculating left-ventricular volume with the radionuclide count-based method.. 12. 1985
Measurement of dose distribution around Fletcher-Suit-Delcos colpostats using a Therados radiation field analyzer (RFA-3).. 11. 1984
Magnetic analysis of the radiation components of a 10 MV photon beam.. 9. 1982
Electrons as the cause of the observed dmax shift with field size in high energy photon beams.. 6. 1979
Improving the buildup and depth-dose characteristics of high energy photon beams by using electron filters.. 6. 1979
Measurements and calculations of the influence of thin inhomogeneities on charged particle beams.. 5. 1978
Flattening of proton dose distributions for large-field radiotherapy.. 4. 1977
A field-shaping multi-well avalanche detector for direct conversion amorphous selenium. 2013
Biomedical imaging research opportunities workshop IV: a white paper. 2007

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