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H. Keller · SciRah

Researcher profile · Semantic Scholar

H. Keller

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H. Keller — researcher profile on SciRah

h-index: 17
Works: 92
Citations: 963

Most-cited papers

A simple, direct method for x-ray scatter estimation and correction in digital radiography and cone-beam CT.
J. Siewerdsen, M. Daly, B. Bakhtiar, D. Moseley +3 more
2005Medical Physics (Lancaster)317 citations
Semantic Scholar
Robust texture features for response monitoring of glioblastoma multiforme on T1-weighted and T2-FLAIR MR images: a preliminary investigation in terms of identification and segmentation.
D. Assefa, H. Keller, C. Ménard, N. Laperriere +2 more
2010Medical Physics (Lancaster)60 citations
Semantic Scholar
Development of a dynamic flow imaging phantom for dynamic contrast-enhanced CT.
B. Driscoll, H. Keller, C. Coolens
2011Medical Physics (Lancaster)55 citations
Semantic Scholar
Simple beam models for Monte Carlo photon beam dose calculations in radiotherapy.
Michael K. Fix, H. Keller, P. Rüegsegger, E. Born
2000Medical Physics (Lancaster)48 citations
Semantic Scholar
Evaluation of Mouse Tail-Vein Injections Both Qualitatively and Quantitatively on Small-Animal PET Tail Scans
D. Vines, David E. Green, Gen Kudo, H. Keller
2011Journal of Nuclear Medicine Technology37 citations Open access
Semantic Scholar
Calibration of a portal imaging device for high-precision dosimetry: a Monte Carlo study.
H. Keller, M. Fix, P. Rüegsegger
1998Medical Physics (Lancaster)35 citations
Semantic Scholar
Evaluating the Short-term Environmental and Clinical Effects of a Radiation Oncology Department's Response to the COVID-19 Pandemic
Ronald Cheung, E. Ito, Marianela Lopez, E. Rubinstein +5 more
2022International Journal of Radiation Oncology, Biology, Physics29 citations Open access
Semantic Scholar
Quantitative PET Comparing Gated with Nongated Acquisitions Using a NEMA Phantom with Respiratory-Simulated Motion
D. Vines, H. Keller, J. Hoisak, S. Breen
2007Journal of Nuclear Medicine Technology29 citations Open access
Semantic Scholar
Design of adaptive treatment margins for non-negligible measurement uncertainty: application to ultrasound-guided prostate radiation therapy.
H. Keller, W. Tomé, M. Ritter, T. R. Mackie
2004Physics in Medicine and Biology25 citations Open access
Semantic Scholar
Development of a dynamic quality assurance testing protocol for multisite clinical trial DCE-CT accreditation.
B. Driscoll, H. Keller, D. Jaffray, C. Coolens
2013Medical Physics (Lancaster)23 citations
Semantic Scholar
Quantitative Imaging in Radiation Oncology: An Emerging Science and Clinical Service.
D. Jaffray, C. Chung, C. Coolens, W. Foltz +5 more
2015Seminars in Radiation Oncology22 citations
Semantic Scholar
Controlling the dose distribution with gEUD-type constraints within the convex radiotherapy optimization framework
Y. Zinchenko, T. Craig, H. Keller, T. Terlaky +1 more
2008Physics in Medicine and Biology22 citations
Semantic Scholar
Multileaf collimator performance monitoring and improvement using semiautomated quality control testing and statistical process control.
D. Létourneau, An Wang, Md Nurul Amin, J. Pearce +4 more
2014Medical Physics (Lancaster)20 citations
Semantic Scholar
Integral test phantom for dosimetric quality assurance of image guided and intensity modulated stereotactic radiotherapy.
D. Létourneau, H. Keller, M. Sharpe, D. Jaffray
2007Medical Physics (Lancaster)20 citations
Semantic Scholar
Stereotactic body radiotherapy: a new paradigm in the management of spinal metastases.
Z. Husain, I. Thibault, D. Létourneau, Lijun Ma +8 more
2013CNS Oncology19 citations Open access
Semantic Scholar
Noise-Based Image Harmonization Significantly Increases Repeatability and Reproducibility of Radiomics Features in PET Images: A Phantom Study
H. Keller, T. Shek, B. Driscoll, Yi-Wen Xu +13 more
2022Tomography18 citations Open access
Semantic Scholar
SU-E-T-461: Fractionation Schedule Optimization for Lung Cancer Treatments Using Radiobiological and Dose Distribution Characteristics.
H. Keller, G. Meier, A. Hope, M. Davison
2012Medical Physics (Lancaster)17 citations
Semantic Scholar
Measurement of Tumor Hypoxia in Patients With Locally Advanced Cervical Cancer Using Positron Emission Tomography with 18F-Fluoroazomyin Arabinoside.
K. Han, T. Shek, D. Vines, B. Driscoll +8 more
2018International Journal of Radiation Oncology, Biology, Physics15 citations
Semantic Scholar
Low dose fraction behavior of high sensitivity radiochromic film.
E. Hirata, C. Cunningham, John A. Micka, H. Keller +2 more
2005Medical Physics (Lancaster)15 citations
Semantic Scholar
Quantifying hypoxia in human cancers using static PET imaging
Edward Taylor, I. Yeung, H. Keller, B. Wouters +3 more
2016Physics in Medicine and Biology13 citations
Semantic Scholar
A method to analyze the cord geometrical uncertainties during head and neck radiation therapy using cone beam CT.
G. Zeng, S. Breen, A. Bayley, E. White +3 more
2009Radiotherapy and Oncology13 citations
Semantic Scholar
Theoretical considerations to the verification of dynamic multileaf collimated fields with a SLIC-type portal image detector.
H. Keller, M. Fix, L. Liistro, P. Rüegsegger
2000Physics in Medicine and Biology11 citations Open access
Semantic Scholar
A novel dose-volume metric for optimizing therapeutic ratio through fractionation: retrospective analysis of lung cancer treatments.
H. Keller, A. Hope, G. Meier, M. Davison
2013Medical Physics (Lancaster)10 citations
Semantic Scholar
Impact of tissue transport on PET hypoxia quantification in pancreatic tumours
Edward Taylor, Jennifer Gottwald, I. Yeung, H. Keller +5 more
2017EJNMMI Research9 citations Open access
Semantic Scholar
Quality control methods for linear accelerator radiation and mechanical axes alignment
D. Létourneau, H. Keller, N. Becker, Md Nurul Amin +2 more
2018Medical Physics (Lancaster)8 citations
Semantic Scholar
Quantification of local image noise variation in PET images for standardization of noise-dependent analysis metrics
R. Kueng, B. Driscoll, P. Manser, M. Fix +2 more
20177 citations
Semantic Scholar
Quantification of local tumor response to fractionated radiation therapy for non-Hodgkin lymphoma using weekly 18F-FDG PET/CT imaging.
H. Keller, J. Goda, D. Vines, G. Lockwood +1 more
2007International Journal of Radiation Oncology, Biology, Physics7 citations
Semantic Scholar
A Generalization of Adaptive Radiotherapy and the Registration of Deformable Dose Distributions
Wei-Guo Lu, T. R. Mackie, H. Keller, Kenneth J. Ruchala +1 more
20007 citations
Semantic Scholar
A Multidisciplinary Approach to Implement Image-Guided Craniospinal Irradiation.
Winnie Li, Caitlin Gillan, C. Carpino-Rocca, H. Keller +2 more
2020Journal of Medical Imaging and Radiation Sciences5 citations
Semantic Scholar
Quantification accuracy for dynamic contrast enhanced (DCE) CT imaging: phantom and quality assurance framework.
C. Coolens, H. Mohseni, S. Dhodi, S. Ma +2 more
2018European Journal of Radiology5 citations
Semantic Scholar
Radiotherapy Dose Fractionation under Parameter Uncertainty
M. Davison, Daero Kim, H. Keller
20115 citations
Semantic Scholar
Investigations on absolute portal dosimetry for the verification of static and dynamic dose delivery in radiotherapy (in English)
H. Keller
19995 citations Open access
Semantic Scholar
SIGNAL ANALYSIS OF MULTI-PARAMETRIC MR IMAGES IN HIGHER ORDER FOURIER SPACES
D. Assefa, H. Keller, D. Jaffray
20134 citations
Semantic Scholar
TU‐D‐I‐611‐04: Intensity‐Modulated Cone‐Beam CT for Patient‐Specific Distribution of SNR
S. Graham, J. Siewerdsen, H. Keller, D. Moseley +1 more
20054 citations
Semantic Scholar
Tomotherapy: Optimal coplanar radiotherapy
T. R. Mackie, G. H. Olivera, P. Reckwerdt, H. Keller
20003 citations
Semantic Scholar
Medical physics external beam plan review: What contributes to the variability?
G. Salomons, K. Nakonechny, C. Neath, L. Chin +2 more
2021Physica medica (Testo stampato)2 citations
Semantic Scholar
Comparison of dosimetric parameters derived from whole organ and wall contours for bladder and rectum in cervical cancer patients treated with intracavitary and interstitial brachytherapy.
R. Gerber, A. Rink, J. Croke, J. Borg +6 more
2018Radiotherapy and Oncology2 citations
Semantic Scholar
Reply to the comment on ‘Monte Carlo simulation on a gold nanoparticle irradiated by electron beams’
J. Chow, H. Keller, D. Jaffray
20132 citations Open access
Semantic Scholar
Brachytherapy dosimetry simulation of eye physics slotted plaque: A Monte Carlo study
A. Owrangi, J. Jezioranski, I. Yeung, H. Keller +2 more
20092 citations
Semantic Scholar
WE‐C‐J‐6C‐06: Assessing Prostate Volume Changes During Conformal Radiotherapy Using Implanted Fiducial Markers
D. Moseley, E. White, K. Wiltshire, T. Haycocks +6 more
20052 citations
Semantic Scholar
Achieving high-resolution soft-tissue imaging with cone-beam CT: a two-pronged approach for modulation of x-ray fluence and detector gain
S. Graham, J. Siewerdsen, D. Moseley, H. Keller +2 more
2005SPIE Medical Imaging2 citations
Semantic Scholar
Direct Monte Carlo calculation of absorbed dose in a moving and deforming object
H. Keller, G. H. Olivera, T. R. Mackie
2000Proceedings of the 22nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (Cat. No.00CH37143)2 citations
Semantic Scholar
PSMA PET-CT: The effects of decreasing scan times on image quality.
D. Vines, T. Shek, H. Keller, B. Driscoll +3 more
20191 citations
Semantic Scholar
A Phase 2 biomarker-enriched study of evofosfamide (TH-302) in patients with advanced melanoma.
E. Mcwhirter, O. Hamid, B. Chmielowski, R. Carvajal +9 more
20151 citations
Semantic Scholar
Pre-treatment Verification of Catheter Positioning for HDR Prostate Brachytherapy
H. Keller, J. Moseley, J. Abed, C. Ménard +1 more
20141 citations Open access
Semantic Scholar
Linear Accelerator Performance Monitoring and Improvement Using Semiautomated Testing and Statistical Process Control
D. Létourneau, K. Wang, Nurul Amin, P. Lee +5 more
20131 citations
Semantic Scholar
Reproducibility of 18F-FAZA PET-CT mouse imaging
D. Vines, T. McKee, J. Mahmood, H. Keller +1 more
20131 citations
Semantic Scholar
TH‐E‐110‐07: Quantitative DCE‐CT Imaging Quality Assurance with a Novel Dynamic Flow Phantom
B. Driscoll, C. Coolens, H. Keller
20111 citations
Semantic Scholar
A constancy test to monitor cross-calibration factors for a small animal SPECT-CT scanner
D. Vines, D. Green, H. Keller, S. Breen
20091 citations
Semantic Scholar
TU-D-I-611-06: A Direct, Empirical Method for X-Ray Scatter Correction in Digital Radiography and Cone-Beam CT
J. Siewerdsen, B. Bakhtiar, D. Moseley, S. Richard +3 more
20051 citations
Semantic Scholar

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