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Joel S. Karp

University of Pennsylvania · US
Area of research
Radiology, Nuclear Medicine and Imaging · Radiation
Research interest
Research interests include Medical Imaging Techniques and Applications, Radiation Detection and Scintillator Technologies, Advanced X-ray and CT Imaging, and Radiomics and Machine Learning in Medical Imaging.
h-index
64
citations
14,750
works
471
NIH funding
primary concept
email

Recent publications

A Virtual Clinical Trial to Detect Changes in Tumor Uptake with PET using Lesion Embedding
IEEE Transactions on Radiation and Plasma Medical Sciences 2026cited by 0position: contributordoi
Randoms Estimation for Long Axial Field-of-View PET
IEEE Transactions on Radiation and Plasma Medical Sciences 2026cited by 0position: contributordoi
High-Resolution Positronium Lifetime Tomography at Clinical Activity Levels on the PennPET Explorer
Journal of Nuclear Medicine 2025cited by 5position: middledoi
Impact of deep learning denoising on kinetic modelling for low-dose dynamic PET: application to single- and dual-tracer imaging protocols.
2025cited by 3position: contributordoi
Depth-of-interaction encoding techniques for pixelated PET detectors enabled by machine learning methods and fast waveform digitization.
2025cited by 0position: contributordoi
Impact of Detector Parameters and Image Resolution Modeling on Dedicated Brain PET Imaging
IEEE Transactions on Radiation and Plasma Medical Sciences 2025cited by 0position: contributordoi
Abbreviated scan protocols to capture 18F-FDG kinetics for long axial FOV PET scanners
European Journal of Nuclear Medicine and Molecular Imaging 2022cited by 48position: lastdoi
The potential of a medium-cost long axial FOV PET system for nuclear medicine departments
European Journal of Nuclear Medicine and Molecular Imaging 2022cited by 31position: lastdoi
Total-body PET: a new paradigm for molecular imaging.
2022cited by 18position: contributordoi
Total Body PET – Will it Change Science and Practice?
Journal of Nuclear Medicine 2022cited by 9position: contributordoi
PET Imaging of Leg Arteries for Determining the Input Function in PET/MRI Brain Studies Using a Compact, MRI-Compatible PET System
IEEE Transactions on Radiation and Plasma Medical Sciences 2022cited by 4position: contributordoi
Performance Characteristics of Long Axial Field-of-View PET Scanners With Axial Gaps
IEEE Transactions on Radiation and Plasma Medical Sciences 2021cited by 24position: contributordoi
A Proof-of-Concept Study of an In-Situ Partial-Ring Time-of-Flight PET Scanner for Proton Beam Verification
IEEE Transactions on Radiation and Plasma Medical Sciences 2021cited by 6position: contributordoi
Total Body PET: Why, How, What for?
IEEE Transactions on Radiation and Plasma Medical Sciences 2020cited by 123position: contributordoi
Quantitative PET in the 2020s: a roadmap
Physics in Medicine and Biology 2020cited by 77position: middledoi
Quantifying Bias and Precision of Kinetic Parameter Estimation on the PennPET Explorer, a Long Axial Field-of-View Scanner
IEEE Transactions on Radiation and Plasma Medical Sciences 2020cited by 19position: contributordoi
Algorithms for joint activity–attenuation estimation from positron emission tomography scatter
EJNMMI Physics 2019cited by 10position: lastdoi
Characterization of Monolithic Scintillation Detectors Etched With Laser Induced Optical Barriers
IEEE Transactions on Radiation and Plasma Medical Sciences 2019cited by 8position: contributordoi
Total-Body PET: Maximizing Sensitivity to Create New Opportunities for Clinical Research and Patient Care
Journal of Nuclear Medicine 2017cited by 738position: middledoi
Numerical Algorithms for Scatter-to-Attenuation Reconstruction in PET: Empirical Comparison of Convergence, Acceleration, and the Effect of Subsets
IEEE Transactions on Radiation and Plasma Medical Sciences 2017cited by 13position: middledoi
Repeatability of <sup>18</sup>F-FDG PET/CT in Advanced Non–Small Cell Lung Cancer: Prospective Assessment in 2 Multicenter Trials
Journal of Nuclear Medicine 2015cited by 91position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

· 13 papers (2019–2026)Suleman Surti · University of Pennsylvania6 papers (2019–2026)Margaret E. Daube-Witherspoon · University of Pennsylvania4 papers (2020–2026)Min Gao · University of Pennsylvania2 papers (2025–2026)Austin R. Pantel · University of Pennsylvania Health System2 papers (2022–2025)Srilalan Krishnamoorthy · University of Pennsylvania2 papers (2021–2025)Varsha Viswanath · Springer Nature2 papers (2020–2021)Jinyi Qi · University of California, Berkeley2 papers (2017–2025)Yannick Berker · Siemens Healthcare (Germany)2 papers (2017–2019) · 2 papers (2017–2019)Jian Yu · Fudan University1 papers (2015–2015)Lucy Hanna · Brown University1 papers (2015–2015) · 1 papers (2022–2022)Varsha Viswanath · California University of Pennsylvania1 papers (2022–2022) · 1 papers (2022–2022)W.W. Moses · Lawrence Berkeley National Laboratory1 papers (2017–2017)Robert A. Halvorsen · Virginia Commonwealth University1 papers (2015–2015)Florence M. Muller · Ghent University1 papers (2025–2025)Paul Vaska · Stony Brook School1 papers (2022–2022)M.L. Purschke · New Jersey Institute of Technology1 papers (2022–2022)