L.J. Hahn

1.3k total citations · 1 hit paper
18 papers, 906 citations indexed

About

L.J. Hahn is a scholar working on Radiology, Nuclear Medicine and Imaging, Biomedical Engineering and Computer Vision and Pattern Recognition. According to data from OpenAlex, L.J. Hahn has authored 18 papers receiving a total of 906 indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Radiology, Nuclear Medicine and Imaging, 9 papers in Biomedical Engineering and 3 papers in Computer Vision and Pattern Recognition. Recurrent topics in L.J. Hahn's work include Medical Imaging Techniques and Applications (12 papers), Advanced X-ray and CT Imaging (7 papers) and Advanced MRI Techniques and Applications (6 papers). L.J. Hahn is often cited by papers focused on Medical Imaging Techniques and Applications (12 papers), Advanced X-ray and CT Imaging (7 papers) and Advanced MRI Techniques and Applications (6 papers). L.J. Hahn collaborates with scholars based in Canada, United States and Australia. L.J. Hahn's co-authors include Mayank Goyal, Christopher D. d’Esterre, Mohammed Almekhlafi, Emmad Qazi, Bijoy K. Menon, Andrew M. Demchuk, Reinhard Kloiber, Murray J. Vimy, F. L. Lorscheider and J. Gregory McKinnon and has published in prestigious journals such as Radiology, The FASEB Journal and IEEE Transactions on Medical Imaging.

In The Last Decade

L.J. Hahn

18 papers receiving 866 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Multiphase CT Angiography: A New Tool for the Imaging Triage of Patients with Acute Ischemic Stroke

2015 449 citations Bijoy K. Menon, Christopher D. d’Esterre et al. Radiology profile →

Peers

Countries citing papers authored by L.J. Hahn

Since Specialization

Citations

This map shows the geographic impact of L.J. Hahn's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by L.J. Hahn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites L.J. Hahn more than expected).

Fields of papers citing papers by L.J. Hahn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by L.J. Hahn. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by L.J. Hahn. The network helps show where L.J. Hahn may publish in the future.

Co-authorship network of co-authors of L.J. Hahn

This figure shows the co-authorship network connecting the top 25 collaborators of L.J. Hahn. A scholar is included among the top collaborators of L.J. Hahn based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with L.J. Hahn. L.J. Hahn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

#	Work	Indexed citations
1	Multiphase CT Angiography: A New Tool for the Imaging Triage of Patients with Acute Ischemic Stroke breakdown → 2015 ·Radiology ·Bijoy K. Menon, Christopher D. d’Esterre, Emmad Qazi, Mohammed Almekhlafi, L.J. Hahn, Andrew M. Demchuk, Mayank Goyal	449
2	Optimization of Low-Dose CT Protocol in Pediatric Nuclear Medicine Imaging 2010 ·Journal of Nuclear Medicine Technology ·(unknown), L.J. Hahn, Bożena Birkenfeld, (unknown), (unknown), (unknown)	5
3	Pre-reconstruction restoration versus post-reconstruction restoration of single photon emission computed tomography images 2002 ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber	1
4	Automatic three-dimensional multimodality registration using radionuclide transmission CT attenuation maps: a phantom study. 1999 ·PubMed ·Damini Dey, Piotr J. Slomka, L.J. Hahn, Reinhard Kloiber	41
5	Comparison of ordered subsets expectation maximization and Changʼs attenuation correction method in quantitative cardiac SPET 1998 ·Nuclear Medicine Communications ·Damini Dey, Piotr J. Slomka, L.J. Hahn, Reinhard Kloiber	7
6	X-ray CT monitoring of iceball growth and thermal distribution during cryosurgery 1998 ·Physics in Medicine and Biology ·George A. Sandison, (unknown), John C. Rewcastle, L.J. Hahn, John C. Saliken, J. Gregory McKinnon, Bryan Donnelly	72
7	A model for the time-dependent thermal distribution within an iceball surrounding a cryoprobe 1998 ·Physics in Medicine and Biology ·John C. Rewcastle, George A. Sandison, L.J. Hahn, John C. Saliken, J. Gregory McKinnon, Bryan Donnelly	61
8	Use of a moratorium to achieve consistent liquid nitrogen cryoprobe performance 1997 ·Journal of Surgical Oncology ·John C. Rewcastle, L.J. Hahn, John C. Saliken, J. Gregory McKinnon	7
9	Two-dimensional restoration of single photon emission computed tomography images using the Kalman filter 1994 ·IEEE Transactions on Medical Imaging ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber, G. Kuduvalli	16
10	Three-dimensional restoration of single photon emission computed tomography images 1994 ·IEEE Transactions on Nuclear Science ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber	11
11	Preconstruction restoration of myocardial single photon emission computed tomography images 1992 ·IEEE Transactions on Medical Imaging ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber	11
12	Use of the geometric mean of opposing planar projections in pre-reconstruction restoration of SPECT images 1992 ·Physics in Medicine and Biology ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber	8
13	Kalman restoration of SPECT images 1992 ·Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber, G. Kuduvalli	1
14	Whole‐body imaging of the distribution of mercury released from dental fillings into monkey tissues 1990 ·The FASEB Journal ·L.J. Hahn, Reinhard Kloiber, (unknown), Murray J. Vimy, F. L. Lorscheider	74
15	Restoration of gamma camera-based nuclear medicine images 1989 ·IEEE Transactions on Medical Imaging ·(unknown), Rangaraj M. Rangayyan, L.J. Hahn, Reinhard Kloiber	20
16	Dental “silver” tooth fillings: a source of mercury exposure revealed by whole‐body image scan and tissue analysis 1989 ·The FASEB Journal ·L.J. Hahn, Reinhard Kloiber, Murray J. Vimy, Yoshimi Takahashi, F. L. Lorscheider	89
17	A quantitative comparison of attenuation-weighted backprojection with multiplicative and iterative postprocessing attenuation compensation in SPECT 1988 ·IEEE Transactions on Medical Imaging ·S.H. Manglos, R.J. Jaszczak, Carey E. Floyd, L.J. Hahn, K.L. Greer, R. Edward Coleman	20
18	Noise characteristics for cone beam collimators: a comparison with parallel hole collimator 1988 ·Physics in Medicine and Biology ·L.J. Hahn, R.J. Jaszczak, G.T. Gullberg, Carey E. Floyd, S.H. Manglos, K.L. Greer, R. Edward Coleman	13

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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