U. Pietrzyk

17.2k total citations · 3 hit papers
135 papers, 6.5k citations indexed

About

U. Pietrzyk is a scholar working on Radiology, Nuclear Medicine and Imaging, Radiation and Cognitive Neuroscience. According to data from OpenAlex, U. Pietrzyk has authored 135 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 89 papers in Radiology, Nuclear Medicine and Imaging, 29 papers in Radiation and 21 papers in Cognitive Neuroscience. Recurrent topics in U. Pietrzyk's work include Medical Imaging Techniques and Applications (71 papers), Advanced MRI Techniques and Applications (42 papers) and Radiation Detection and Scintillator Technologies (17 papers). U. Pietrzyk is often cited by papers focused on Medical Imaging Techniques and Applications (71 papers), Advanced MRI Techniques and Applications (42 papers) and Radiation Detection and Scintillator Technologies (17 papers). U. Pietrzyk collaborates with scholars based in Germany, France and United Kingdom. U. Pietrzyk's co-authors include Karl Herholz, K. Wienhard, Wolf‐Dieter Heiss, Gereon R. Fink, Richard E. Passingham, R. S. J. Frackowiak, Thomas Bruckbauer, R. Wagner, Wolf–Dieter Heiss and Lars Eriksson and has published in prestigious journals such as NeuroImage, Neurology and Journal of Fluid Mechanics.

In The Last Decade

U. Pietrzyk

133 papers receiving 6.3k 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.

GATE V6: a major enhancement of the GATE simulation platform enabling modelling of CT and radiotherapy

2011 576 citations Didier Benoit, Lydia Maigne et al. Physics in Medicine and Biology profile →
The ECAT EXACT HR

1994 499 citations K. Wienhard, U. Pietrzyk et al. profile →
A review of the use and potential of the GATE Monte Carlo simulation code for radiation therapy and dosimetry applications

2014 388 citations David Sarrut, Manuel Bardiès et al. Medical Physics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
U. Pietrzyk Germany	42	3.3k	1.5k	1.2k	1.0k	723	135	6.5k
Eric Achten Belgium	46	2.6k 0.8×	1.2k 0.8×	767 0.6×	771 0.8×	329 0.5×	180	6.3k
Maria Carla Gilardi Italy	38	3.3k 1.0×	1.0k 0.7×	984 0.8×	730 0.7×	484 0.7×	210	6.2k
Lothar R. Schad Germany	56	8.4k 2.6×	1.7k 1.1×	619 0.5×	1.4k 1.4×	759 1.0×	406	12.8k
Yue Cao United States	47	3.5k 1.1×	1.3k 0.9×	1.1k 0.9×	1.2k 1.2×	375 0.5×	245	7.1k
Marc Modat United Kingdom	44	3.4k 1.0×	1.2k 0.8×	681 0.6×	557 0.5×	701 1.0×	178	7.1k
Hidehiro Iida Japan	59	5.7k 1.8×	656 0.4×	460 0.4×	1.3k 1.3×	1.2k 1.7×	415	11.6k
Jae Sung Lee South Korea	44	3.9k 1.2×	1.1k 0.8×	2.0k 1.7×	495 0.5×	413 0.6×	328	7.1k
Wolf–Dieter Heiss Germany	43	2.6k 0.8×	1.4k 0.9×	375 0.3×	459 0.5×	891 1.2×	125	5.7k
Iwao Kanno Japan	47	4.6k 1.4×	1.6k 1.0×	238 0.2×	1.0k 1.0×	1.5k 2.1×	225	7.5k
Valentino Bettinardi Italy	35	2.3k 0.7×	2.2k 1.5×	646 0.5×	787 0.8×	265 0.4×	128	5.6k

Countries citing papers authored by U. Pietrzyk

Since Specialization

Citations

This map shows the geographic impact of U. Pietrzyk'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 U. Pietrzyk with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites U. Pietrzyk more than expected).

Fields of papers citing papers by U. Pietrzyk

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by U. Pietrzyk. 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 U. Pietrzyk. The network helps show where U. Pietrzyk may publish in the future.

Co-authorship network of co-authors of U. Pietrzyk

This figure shows the co-authorship network connecting the top 25 collaborators of U. Pietrzyk. A scholar is included among the top collaborators of U. Pietrzyk 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 U. Pietrzyk. U. Pietrzyk is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Scheins, J., Mirjam Lenz, U. Pietrzyk, N. Jon Shah, & Christoph Lerche. (2021). High-throughput, accurate Monte Carlo simulation on CPU hardware for PET applications. Physics in Medicine and Biology. 66(18). 185001–185001. 8 indexed citations

Lenz, Mirjam, Liliana Caldeira, U. Pietrzyk, et al.. (2019). Resolution modeling in projection space using a factorized multi-block detector response function for PET image reconstruction. Physics in Medicine and Biology. 64(14). 145012–145012. 5 indexed citations

Lenz, Mirjam, U. Pietrzyk, N. Jon Shah, et al.. (2019). Scatter Correction Based on GPU-Accelerated Full Monte Carlo Simulation for Brain PET/MRI. IEEE Transactions on Medical Imaging. 39(1). 140–151. 15 indexed citations

Lange, Catharina, Per Suppa, U. Pietrzyk, et al.. (2017). Prediction of Alzheimer’s Dementia in Patients with Amnestic Mild Cognitive Impairment in Clinical Routine: Incremental Value of Biomarkers of Neurodegeneration and Brain Amyloidosis Added Stepwise to Cognitive Status. Journal of Alzheimer s Disease. 61(1). 373–388. 12 indexed citations

Sarrut, David, Manuel Bardiès, N. Freud, et al.. (2014). A review of the use and potential of the GATE Monte Carlo simulation code for radiation therapy and dosimetry applications. Medical Physics. 41(6Part1). 64301–64301. 388 indexed citations breakdown →

Bert, Julien, et al.. (2013). GPU-accelerated Monte Carlo based scatter correction in brain PET/MR. 1–3. 2 indexed citations

Thorwarth, Daniela, Thomas Beyer, Ronald Boellaard, et al.. (2012). Integration der FDG-PET/CT-Bildgebung in die Planung der externen Strahlentherapie – Technische Aspekte und Empfehlungen zur methodischen Annäherung. Nuklearmedizin - NuclearMedicine. 51(4). 140–153. 24 indexed citations

Pietrzyk, U., et al.. (2012). EduGATE – basic examples for educative purpose using the GATE simulation platform. Zeitschrift für Medizinische Physik. 23(1). 65–70. 6 indexed citations

Pietrzyk, U., et al.. (2010). GPU-basiertes Volumenrendering von multimodalen medizinischen Bilddaten in Echtzeit.. JuSER (Forschungszentrum Jülich). 400–404. 1 indexed citations

10.

Dammers, Jürgen, Markus Axer, David Gräßel, et al.. (2009). Signal enhancement in polarized light imaging by means of independent component analysis. NeuroImage. 49(2). 1241–1248. 25 indexed citations

11.

Wohlschläger, A., Karsten Specht, Chuh‐Hyoun Lie, et al.. (2005). Linking retinotopic fMRI mapping and anatomical probability maps of human occipital areas V1 and V2. NeuroImage. 26(1). 73–82. 57 indexed citations

12.

Heinrichs, U., P. Bruyndonckx, M. Korjik, et al.. (2004). The ClearPET (TM): A high resolution high sensitivity dual-layer phoswich small animal PET scanner. European Journal of Nuclear Medicine and Molecular Imaging. 31. 400–400. 1 indexed citations

13.

Thiel, Alexander, Karl Herholz, U. Pietrzyk, et al.. (1998). Localization of Language-Related Cortex with15O-Labeled Water PET in Patients with Gliomas. NeuroImage. 7(4). 284–295. 56 indexed citations

14.

Pietrzyk, U., Alexander Thiel, Karl Herholz, & Wolf–Dieter Heiss. (1998). A hybrid image registration method employing interactive and automated techniques.. NeuroImage. 7(4). S789–S789. 1 indexed citations

15.

Stockhausen, Hans-Martin von, U. Pietrzyk, Karl Herholz, & Wolf–Dieter Heiss. (1996). Eine Methode zur oberflächenbezogenen Quantifizierung funktioneller Daten am Beispiel des menschlichen Kortex.. 4 indexed citations

16.

Pietrzyk, U., Klemens Scheidhauer, Anton Scharl, Alexander K. Schuster, & H Schicha. (1995). Presurgical visualization of primary breast carcinoma with PET emission and transmission imaging.. PubMed. 36(10). 1882–4. 18 indexed citations

17.

Herholz, Karl, U. Pietrzyk, H. Karbe, et al.. (1994). Individual metabolic anatomy of repeating words demonstrated by MRI-guided positron emission tomography. Neuroscience Letters. 182(1). 47–50. 37 indexed citations

18.

Herholz, Karl, U. Pietrzyk, Jürgen Voges, et al.. (1993). Correlation of glucose consumption and tumor cell density in astrocytomas. Journal of neurosurgery. 79(6). 853–858. 127 indexed citations

19.

Heiss, Wolf‐Dieter, et al.. (1990). Comparison of [^99mTc]HMPAO SPECT with [¹⁸F]Fluoromethane PET in Cerebrovascular Disease. Journal of Cerebral Blood Flow & Metabolism. 10(5). 687–697. 32 indexed citations

20.

Herholz, Karl, et al.. (1990). Regional Cerebral Blood Flow in Patients With Leuko-Araiosis and Atherosclerotic Carotid Artery Disease. Archives of Neurology. 47(4). 392–396. 71 indexed citations

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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