R. E. Alvarez

2.9k total citations · 2 hit papers
14 papers, 2.2k citations indexed

About

R. E. Alvarez is a scholar working on Biomedical Engineering, Radiology, Nuclear Medicine and Imaging and Pulmonary and Respiratory Medicine. According to data from OpenAlex, R. E. Alvarez has authored 14 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Biomedical Engineering, 6 papers in Radiology, Nuclear Medicine and Imaging and 4 papers in Pulmonary and Respiratory Medicine. Recurrent topics in R. E. Alvarez's work include Advanced X-ray and CT Imaging (8 papers), Medical Imaging Techniques and Applications (5 papers) and Digital Radiography and Breast Imaging (3 papers). R. E. Alvarez is often cited by papers focused on Advanced X-ray and CT Imaging (8 papers), Medical Imaging Techniques and Applications (5 papers) and Digital Radiography and Breast Imaging (3 papers). R. E. Alvarez collaborates with scholars based in United States and Argentina. R. E. Alvarez's co-authors include Albert Macovski, L. A. Lehmann, William R. Brody, Norbert J. Pelc, Stephen J. Riederer, Alice Hall, Carlos Verucchi, J. Anthony Seibert, G. Keyes and E. Roth and has published in prestigious journals such as Radiology, IEEE Transactions on Medical Imaging and Physics in Medicine and Biology.

In The Last Decade

R. E. Alvarez

12 papers receiving 2.1k 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.

Energy-selective reconstructions in X-ray computerised tomography

1976 1.5k citations R. E. Alvarez, Albert Macovski Physics in Medicine and Biology profile →
Generalized image combinations in dual KVP digital radiography

1981 487 citations L. A. Lehmann, R. E. Alvarez 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
R. E. Alvarez United States	8	2.0k	1.9k	290	265	168	14	2.2k
Katsuyuki Taguchi United States	27	3.0k 1.5×	3.1k 1.6×	448 1.5×	371 1.4×	192 1.1×	144	3.4k
Mohammad Reza Ay Iran	25	1.4k 0.7×	2.0k 1.0×	387 1.3×	647 2.4×	41 0.2×	182	2.4k
Polad M. Shikhaliev United States	16	1.1k 0.5×	1.0k 0.5×	291 1.0×	200 0.8×	120 0.7×	45	1.2k
S. Kappler Germany	28	2.3k 1.1×	2.3k 1.2×	251 0.9×	497 1.9×	269 1.6×	118	3.0k
Daniel Kolditz Germany	15	954 0.5×	1.0k 0.5×	254 0.9×	233 0.9×	21 0.1×	30	1.4k
Ulrich Neitzel Germany	20	845 0.4×	937 0.5×	733 2.5×	315 1.2×	71 0.4×	37	1.4k
Mats Persson Sweden	14	1.5k 0.7×	1.4k 0.8×	137 0.5×	99 0.4×	69 0.4×	57	1.6k
Adam Wang United States	22	1.2k 0.6×	1.2k 0.7×	232 0.8×	370 1.4×	63 0.4×	128	1.6k
J. Yorkston United States	25	1.4k 0.7×	1.4k 0.7×	939 3.2×	806 3.0×	390 2.3×	95	2.5k
M. J. Tapiovaara Finland	16	900 0.4×	1.2k 0.6×	543 1.9×	183 0.7×	35 0.2×	49	1.4k

Countries citing papers authored by R. E. Alvarez

Since Specialization

Citations

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

Fields of papers citing papers by R. E. Alvarez

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. E. Alvarez. 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 R. E. Alvarez. The network helps show where R. E. Alvarez may publish in the future.

Co-authorship network of co-authors of R. E. Alvarez

This figure shows the co-authorship network connecting the top 25 collaborators of R. E. Alvarez. A scholar is included among the top collaborators of R. E. Alvarez 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 R. E. Alvarez. R. E. Alvarez 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:

14 of 14 papers shown

Alvarez, R. E., et al.. (2025). Condition Assessment of Power Transformers: Tools for Correlating Dissolved Gas Analysis and Off-Line Electrical Testing. 1–4.

Alvarez, R. E., et al.. (2019). Dissolved gas analysis differences between natural esters and mineral oils used in power transformers: a review. IET Generation Transmission & Distribution. 13(24). 5441–5448. 24 indexed citations

Seibert, J. Anthony, et al.. (2002). Dual energy radiography using active detector technology. 1996 IEEE Nuclear Science Symposium. Conference Record. 2. 1244–1247. 2 indexed citations

Alvarez, R. E.. (1991). Filter functions for computing multipole moments from the magnetic field normal to a plane. IEEE Transactions on Medical Imaging. 10(3). 375–381. 8 indexed citations

Alvarez, R. E.. (1990). Biomagnetic Fourier imaging (current density reconstruction). IEEE Transactions on Medical Imaging. 9(3). 299–304. 10 indexed citations

Blank, Norman, William R. Brody, R. E. Alvarez, & Albert Macovski. (1981). <title>Dual Energy Radiography: A Preliminary Study</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 314. 181–183. 1 indexed citations

Macovski, Albert, R. E. Alvarez, L. A. Lehmann, E. Roth, & William R. Brody. (1981). <title>Iodine Imaging Using Three Energy Spectra</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 314. 140–142. 2 indexed citations

Alvarez, R. E., et al.. (1981). Initial results with prereconstruction dual-energy computed tomography (PREDECT).. Radiology. 140(2). 421–430. 29 indexed citations

Pelc, Norbert J., Stephen J. Riederer, G. Keyes, et al.. (1981). DUAL ENERGY DIGITAL RADIOGRAPHY. Journal of Computer Assisted Tomography. 5(6). 944–944. 3 indexed citations

10.

Lehmann, L. A., R. E. Alvarez, Albert Macovski, et al.. (1981). Generalized image combinations in dual KVP digital radiography. Medical Physics. 8(5). 659–667. 487 indexed citations breakdown →

11.

Hall, Alice, Norbert J. Pelc, Stephen J. Riederer, et al.. (1981). <title>Experimental System For Dual Energy Scanned Projection Radiography</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 314. 155–159. 7 indexed citations

12.

Alvarez, R. E., et al.. (1977). <title>Optimal Processing Of Computed Tomography Images</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 119. 293–298. 1 indexed citations

13.

Macovski, Albert, et al.. (1976). Energy dependent reconstruction in X-ray computerized tomography. Computers in Biology and Medicine. 6(4). 325–336. 98 indexed citations

14.

Alvarez, R. E. & Albert Macovski. (1976). Energy-selective reconstructions in X-ray computerised tomography. Physics in Medicine and Biology. 21(5). 733–744. 1509 indexed citations breakdown →

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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