Faculty profile

Ran Klein

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Assistant ProfessorDepartment of MedicineUniversity of Ottawa

Ran Klein

Assistant Professor

Department of Medicine

Faculty of Medicine

University of Ottawa

Ottawa, Ontario, Canada

ORCID

Supervision signals

Professors usually supervise graduate students in their department's programs.
23 publications in the last five years, latest in 2026.
Senior (last) author on 11 recent papers, a sign of leading a research group.
Principal investigator on 6 research grants (5 NSERC, 1 CIHR), most recently in 2022.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Ottawa profile.

Artificial Intelligence Chronic Kidney Disease Cost Effectiveness Decision Analysis Dialysis Kidney Failure Machine Learning

Latest papers

Clinical application of AI for lung lobe segmentation and functional quantification with SPECT/CT: open-source versus custom models.
Scientific reports · 2026 · senior author
Development and Evaluation of Automatic Pipeline for Patient-Specific Registration to a Bronchopulmonary Segment Atlas for Planar Perfusion Scintigraphy.
Journal of nuclear medicine technology · 2026 · senior author
Fully automatic left ventricle segmentation in [Formula: see text]Rb PET/CT Using a semi-supervised nnU-net.
EJNMMI research · 2026

All 78 publications

Latest funding

Artificial Intelligence for the Prevention of Unplanned Dialysis
CIHR · 2022 · Principal investigator
$195,000
Pushing the limits of detection with PET
NSERC · 2020 · Principal investigator
$120,000
Pushing the limits of detection with PET
NSERC · 2020 · Principal investigator
$198,000

All 7 grants and awards

78 publications.

Clinical application of AI for lung lobe segmentation and functional quantification with SPECT/CT: open-source versus custom models.

Amini E, Goemans M, Kyrollos D, Osorio Cruz O, Aquino J, Abbaspour F, Provost K, Klein R

Scientific reports2026Senior author

DOI: 10.1038/s41598-026-55733-0 PMID: 42270681

Development and Evaluation of Automatic Pipeline for Patient-Specific Registration to a Bronchopulmonary Segment Atlas for Planar Perfusion Scintigraphy.

Ansari M, Jabbarpour A, Lang J, Moulton E, Klein R

Journal of nuclear medicine technology2026Senior author

DOI: 10.2967/jnmt.125.270998 PMID: 41529931

Fully automatic left ventricle segmentation in [Formula: see text]Rb PET/CT Using a semi-supervised nnU-net.

Amirian M, Chevalley A, Asiain MM, Klein R, DeKemp R, Moulton E, Prior JO, Kamani CH, Jreige M, Depeursinge A

EJNMMI research2026

DOI: 10.1186/s13550-026-01455-3 PMID: 42207374

Analytical Models to Optimize Tacrolimus Dosing in Solid Organ Transplantation: A Systematic Review.

Amooei E, Biyani N, Buh A, Klamrowski MM, Alyahya NM, McCudden CR, Green JR, Rashidi B, Almuzirai H, Hoar S, Akbari A, Hundemer GL, Klein R

Pharmaceutics2026Senior author

DOI: 10.3390/pharmaceutics18040430 PMID: 42076083

Artificial intelligence in lung scintigraphy.

Amini E, Jabbarpour A, Klein R

The quarterly journal of nuclear medicine and molecular imaging : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of...2026Senior author

DOI: 10.23736/s1824-4785.25.03689-1 PMID: 41557147

Artificial count enhancement in lung scintigraphy for acquisition acceleration and pseudo-planar generation.

Jabbarpour A, Siraj G, Kaviani S, Lang J, Moulton E, Klein R

Physics in medicine and biology2026Senior author

DOI: 10.1088/1361-6560/ae9d10 PMID: 42628570

Quantification of I-131 thyroid remnant uptake in patients with thyroid cancer.

Amini E, Kim C, Al-Busaidi AS, Klein R, Zeng W

American journal of nuclear medicine and molecular imaging2025

DOI: 10.62347/sbtr2479 PMID: 41567832

Artificial intelligence-enabled parametric mapping of myocardial blood flow with 82Rb positron emission tomography compared to 18F-flurpiridaz perfusion imaging: A paired pilot study of image quality.

Moulton E, Gagliano L, Kaviani S, Klein R, deKemp R, Pelletier-Galarneau M

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2025

DOI: 10.1016/j.nuclcard.2025.102531 PMID: 41093107

The SNMMI Procedure Standard/EANM Practice Guideline for Radionuclide Brain Perfusion Scintigraphy in Suspected Death by Neurologic Criteria (Brain Death) 3.0.

Zuckier LS, Brendel M, Cecchin D, Donohoe K, Frey KA, Klein R, Nadel HR, Shemie S, Sinha P

Journal of nuclear medicine technology2025

DOI: 10.2967/jnmt.125.270505 PMID: 40664485

Lung lobe segmentation: performance of open-source MOOSE, TotalSegmentator, and LungMask models compared to a local in-house model.

Amini E, Klein R

European radiology experimental2025Senior author

DOI: 10.1186/s41747-025-00623-9 PMID: 40908427

Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

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Ran Klein

Research

Latest papers

Latest funding

Clinical application of AI for lung lobe segmentation and functional quantification with SPECT/CT: open-source versus custom models.

Development and Evaluation of Automatic Pipeline for Patient-Specific Registration to a Bronchopulmonary Segment Atlas for Planar Perfusion Scintigraphy.

Fully automatic left ventricle segmentation in [Formula: see text]Rb PET/CT Using a semi-supervised nnU-net.

Analytical Models to Optimize Tacrolimus Dosing in Solid Organ Transplantation: A Systematic Review.

Artificial intelligence in lung scintigraphy.

Artificial count enhancement in lung scintigraphy for acquisition acceleration and pseudo-planar generation.

Quantification of I-131 thyroid remnant uptake in patients with thyroid cancer.

Artificial intelligence-enabled parametric mapping of myocardial blood flow with 82Rb positron emission tomography compared to 18F-flurpiridaz perfusion imaging: A paired pilot study of image quality.

The SNMMI Procedure Standard/EANM Practice Guideline for Radionuclide Brain Perfusion Scintigraphy in Suspected Death by Neurologic Criteria (Brain Death) 3.0.

Lung lobe segmentation: performance of open-source MOOSE, TotalSegmentator, and LungMask models compared to a local in-house model.

Artificial Intelligence for the Prevention of Unplanned Dialysis

Pushing the limits of detection with PET

Pushing the limits of detection with PET

Integration of Human and Machine Observers for the Interpretation of Medical Images

Perfusion flow phantom using a peristaltic pump flow source for multi-modality medical imaging

Image data de-identification for biomedical research

Translational Imaging of Coronary Endothelial Function with Positron Tomography

Frequent collaborators

Ayub Akbari

Girish Dwivedi

Robert deKemp

Renee Hessian

Arman Rahmim

Christopher McCudden

Eric Larose

Carlos Uribe

Cedric Edwards

Doug Coyle

Lisa Mielniczuk

Ian Paterson

Sadri Bazarjani

Peter Liu

Rob Beanlands

David Birnie

Amber Molnar

Swapnil Hiremath

Stewart Gaede

Girish Nair

Janine Malcolm

Munir Boodhwani

Ross Davies

Matthieu Pelletier-Galarneau

Pablo Nery

Vikas Tandon

Jean DaSilva

Marc Ruel