Willi A. Kalender

27.2k total citations · 5 hit papers
321 papers, 19.8k citations indexed

About

Willi A. Kalender is a scholar working on Radiology, Nuclear Medicine and Imaging, Biomedical Engineering and Orthopedics and Sports Medicine. According to data from OpenAlex, Willi A. Kalender has authored 321 papers receiving a total of 19.8k indexed citations (citations by other indexed papers that have themselves been cited), including 235 papers in Radiology, Nuclear Medicine and Imaging, 215 papers in Biomedical Engineering and 44 papers in Orthopedics and Sports Medicine. Recurrent topics in Willi A. Kalender's work include Advanced X-ray and CT Imaging (195 papers), Medical Imaging Techniques and Applications (175 papers) and Radiation Dose and Imaging (137 papers). Willi A. Kalender is often cited by papers focused on Advanced X-ray and CT Imaging (195 papers), Medical Imaging Techniques and Applications (175 papers) and Radiation Dose and Imaging (137 papers). Willi A. Kalender collaborates with scholars based in Germany, United States and France. Willi A. Kalender's co-authors include Marc Kachelrieß, Klaus Engelke, Yiannis Kyriakou, Paul Deak, Ernst Klotz, Daniel Kolditz, Stefan Ulzheimer, W Bautz, Wolfgang Kemmler and Marcel Beister and has published in prestigious journals such as Circulation, Journal of the American College of Cardiology and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Willi A. Kalender

315 papers receiving 19.0k citations

Hit Papers

5 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.

Multisection CT Protocols: Sex- and Age-specific Conversion Factors Used to Determine Effective Dose from Dose-Length Product

2010 715 citations Willi A. Kalender et al. profile →
Spiral volumetric CT with single-breath-hold technique, continuous transport, and continuous scanner rotation.

1990 661 citations Willi A. Kalender et al. profile →
Reduction of CT artifacts caused by metallic implants.

1987 543 citations Willi A. Kalender et al. profile →
Iterative reconstruction methods in X-ray CT

2012 535 citations Daniel Kolditz, Willi A. Kalender et al. Physica Medica profile →
Detection of Coronary Artery Stenoses by Contrast-Enhanced, Retrospectively Electrocardiographically-Gated, Multislice Spiral Computed Tomography

2001 513 citations Stephan Achenbach, Dieter Ropers et al. Circulation profile →

Peers

Willi A. Kalender

RNMI

PRM

SURGE

OSM

Cynthia H. McCollough United States

Ernst J. Rummeny Germany

Thomas J. Vogl Germany

Norbert J. Pelc United States

Konstantin Nikolaou Germany

Erik L. Ritman United States

Claus D. Claussen Germany

Hans‐Ulrich Kauczor Germany

Yasuyuki Yamashita Japan

Bernd Hamm Germany

Cynthia H. McCollough United States

Willi A. Kalender

21.3k ×1.6

RNMI

18.8k ×1.6

3.5k ×1.3

PRM

2.8k ×1.1

SURGE

782 ×0.4

OSM

Citations per year, relative to Willi A. Kalender Willi A. Kalender (= 1×) peers Cynthia H. McCollough

Countries citing papers authored by Willi A. Kalender

Since Specialization

Citations

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

Fields of papers citing papers by Willi A. Kalender

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Willi A. Kalender. 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 Willi A. Kalender. The network helps show where Willi A. Kalender may publish in the future.

Co-authorship network of co-authors of Willi A. Kalender

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Kolditz, Daniel, et al.. (2014). Experimental validation of a single shaped filter approach for CT using variable source-to-filter distance for examination of arbitrary object diameters. Physics in Medicine and Biology. 59(19). 5691–5706. 2 indexed citations

Museyko, Oleg, et al.. (2013). Bone marrow lesions identified by MRI in knee osteoarthritis are associated with locally increased bone mineral density measured by QCT. Osteoarthritis and Cartilage. 21(7). 957–964. 27 indexed citations

Kolditz, Daniel, Yiannis Kyriakou, & Willi A. Kalender. (2010). Volume‐of‐interest (VOI) imaging in C‐arm flat‐detector CT for high image quality at reduced dose. Medical Physics. 37(6Part1). 2719–2730. 51 indexed citations

Greeß, Holger, H. Wolf, Ulrich Baum, Willi A. Kalender, & W Bautz. (2008). Dosisreduktion in der Computertomographie durch anatomieorientierte schwächungsbasierte Röhrenstromregelung: Erste klinische Ergebnisse. RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 170(3). 246–250. 10 indexed citations

Pan, Xiaochuan, Jeffrey H. Siewerdsen, Patrick J. La Rivière, & Willi A. Kalender. (2008). Anniversary Paper: Development of x-ray computed tomography: The role ofMedical PhysicsandAAPMfrom the 1970s to present. Medical Physics. 35(8). 3728–3739. 46 indexed citations

Stengel, Simon von, Wolfgang Kemmler, Willi A. Kalender, Klaus Engelke, & Dirk Lauber. (2007). Differential effects of strength versus power training on bone mineral density in postmenopausal women: a 2-year longitudinal study. British Journal of Sports Medicine. 41(10). 649–655. 66 indexed citations

Ropers, Ulrike, Dieter Ropers, Tobias Pflederer, et al.. (2007). Influence of Heart Rate on the Diagnostic Accuracy of Dual-Source Computed Tomography Coronary Angiography. Journal of the American College of Cardiology. 50(25). 2393–2398. 172 indexed citations

Ropers, Ulrike, Katharina Anders, Dieter Ropers, et al.. (2006). Abstract 2200: Randomized Comparison of Dual Source Computed Tomography and 64-Slice Multi-Detector Computed Tomography for the Detection of Coronary Artery Stenoses. Circulation. 114. 1 indexed citations

Kachelrieß, Marc, et al.. (2006). Empirical Dual Energy Calibration (EDEC) for Cone-Beam Computed Tomography. 2006 IEEE Nuclear Science Symposium Conference Record. 2546–2550. 11 indexed citations

10.

Kemmler, Wolfgang, et al.. (2005). Bone status in elite male runners. European Journal of Applied Physiology. 96(1). 78–85. 36 indexed citations

11.

Kalender, Willi A., et al.. (2004). A New Method to Identify and to Correct Circular Artifacts in X-Ray CT Images.. Physica Medica. 1000–1013. 4 indexed citations

12.

Greeß, Holger, H. Wolf, C. Suess, et al.. (2004). Dosisautomatik bei der Mehrzeilenspiral-CT: Phantommessungen und klinische Ergebnisse. RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 176(6). 862–869. 16 indexed citations

13.

Kalender, Willi A., et al.. (2003). On the Correlation of Pixel Noise, Spatial Resolution and Dose in Computed Tomography : Theoretical Prediction and Verification by Simulation and Measurement. Physica Medica. 1000–1012. 14 indexed citations

14.

Lell, Michael, Ulrich Baum, Marc Kachelrieß, et al.. (2002). Improvement of image quality and dose usage of multislice CT scans of the head and neck region by using the raw data-based multidimensional adaptive filtering (MAF) technique. European Radiology. 12. 196. 1 indexed citations

15.

Kachelrieß, Marc, et al.. (2001). Advanced single‐slice rebinning for tilted spiral cone‐beam CT. Medical Physics. 28(6). 1033–1041. 27 indexed citations

16.

Kachelrieß, Marc, et al.. (2001). Generalized multi‐dimensional adaptive filtering for conventional and spiral single‐slice, multi‐slice, and cone‐beam CT. Medical Physics. 28(4). 475–490. 248 indexed citations

17.

Fellner, Claudia, J. Schlaier, Paul Held, et al.. (1999). Functional MR imaging of the motor cortex in healthy volunteers and patients with brain tumours: qualitative and quantitative results.. PubMed. 52(1). 3–14. 2 indexed citations

18.

Kachelrieß, Marc & Willi A. Kalender. (1998). Electrocardiogram‐correlated image reconstruction from subsecond spiral computed tomography scans of the heart. Medical Physics. 25(12). 2417–2431. 157 indexed citations

19.

Kalender, Willi A., et al.. (1991). Brain Perfusion Studies by Xenon-Enhanced CT Using Washin/Washout Study Protocols. Journal of Computer Assisted Tomography. 15(5). 816–822. 28 indexed citations

20.

Felsenberg, Dieter, et al.. (1990). Determination of bone mineral content in marathon runners using computed tomography seqct deqct low dose. Calcified Tissue International. 46(2). 142. 3 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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