Robert S. Ledley

3.6k total citations · 1 hit paper
139 papers, 2.3k citations indexed

About

Robert S. Ledley is a scholar working on Radiology, Nuclear Medicine and Imaging, Molecular Biology and Biomedical Engineering. According to data from OpenAlex, Robert S. Ledley has authored 139 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Radiology, Nuclear Medicine and Imaging, 20 papers in Molecular Biology and 20 papers in Biomedical Engineering. Recurrent topics in Robert S. Ledley's work include Medical Imaging Techniques and Applications (18 papers), Radiomics and Machine Learning in Medical Imaging (10 papers) and Advanced X-ray and CT Imaging (9 papers). Robert S. Ledley is often cited by papers focused on Medical Imaging Techniques and Applications (18 papers), Radiomics and Machine Learning in Medical Imaging (10 papers) and Advanced X-ray and CT Imaging (9 papers). Robert S. Ledley collaborates with scholars based in United States, Japan and Germany. Robert S. Ledley's co-authors include Lee B. Lusted, Homer L. Twigg, Giovanni Di Chiro, Frank H. Ruddle, Alfred J. Luessenhop, Herbert A. Lubs, H. K. Huang, B.C. ORCUTT, John S. Garavelli and G. Y. Srinivasarao and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

Robert S. Ledley

131 papers receiving 2.0k citations

Hit Papers

Reasoning Foundations of Medical Diagnosis 1959 2026 1981 2003 1959 200 400 600
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.

  1. Reasoning Foundations of Medical Diagnosis
    1959 622 citations Robert S. Ledley et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Robert S. Ledley United States 23 621 428 323 243 214 139 2.3k
James F. Brinkley United States 24 694 1.1× 596 1.4× 265 0.8× 237 1.0× 68 0.3× 129 2.0k
Lee B. Lusted United States 16 231 0.4× 504 1.2× 457 1.4× 116 0.5× 258 1.2× 57 2.3k
Thomas A. Lasko United States 23 448 0.7× 857 2.0× 273 0.8× 106 0.4× 347 1.6× 57 2.4k
Takaya Saito Norway 12 790 1.3× 797 1.9× 240 0.7× 134 0.6× 141 0.7× 23 3.1k
D. Kalra United States 28 577 0.9× 205 0.5× 141 0.4× 108 0.4× 340 1.6× 175 3.4k
Brian E. Chapman United States 20 318 0.5× 543 1.3× 531 1.6× 169 0.7× 107 0.5× 57 1.4k
Prakash M. Nadkarni United States 22 640 1.0× 931 2.2× 119 0.4× 74 0.3× 272 1.3× 83 2.3k
Volodymyr Kuleshov United States 13 449 0.7× 1.1k 2.5× 743 2.3× 262 1.1× 300 1.4× 29 2.9k
Martin Schmid Switzerland 22 468 0.8× 756 1.8× 1.1k 3.3× 135 0.6× 133 0.6× 106 7.8k
Wolfgang Petrich Germany 25 417 0.7× 309 0.7× 160 0.5× 157 0.6× 85 0.4× 58 2.8k

Countries citing papers authored by Robert S. Ledley

Since Specialization
Citations

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

Fields of papers citing papers by Robert S. Ledley

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert S. Ledley. 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 Robert S. Ledley. The network helps show where Robert S. Ledley may publish in the future.

Co-authorship network of co-authors of Robert S. Ledley

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

All Works

20 of 20 papers shown
1.
Wang, Shuangbao, et al.. (2006). Connputer - A Framework of Intrusion-Free Secure Computer Architecture.. Security and Management. 220–225. 4 indexed citations
2.
Sittig, Dean F., Joan S. Ash, & Robert S. Ledley. (2006). The Story Behind the Development of the First Whole-body Computerized Tomography Scanner as Told by Robert S. Ledley. Journal of the American Medical Informatics Association. 13(5). 465–469. 21 indexed citations
3.
Wang, Shuangbao, et al.. (2004). SMIS - a real-time stereoscopic medical imaging system. 197–202. 3 indexed citations
4.
Ledley, Robert S., et al.. (2004). Processing X-ray images to eliminate irrelevant structures that mask important features. Computerized Medical Imaging and Graphics. 28(6). 321–331. 2 indexed citations
5.
Barker, Winona C., John S. Garavelli, Peter B. McGarvey, et al.. (1999). The PIR-International Protein Sequence Database. Nucleic Acids Research. 27(1). 39–43. 123 indexed citations
6.
Jones, Roger I., Robert J. Dodson, John S. Garavelli, et al.. (1997). The Protein Information Resource (PIR) and the PIR-International Protein Sequence Database. Nucleic Acids Research. 25(1). 24–27. 32 indexed citations
7.
Ledley, Robert S., et al.. (1987). Metachrome: Automated Chromosome Analysis. PubMed Central. 11. 571–574. 1 indexed citations
8.
Dayhoff, Ruth E., Robert S. Ledley, Chan Park, & Alden W. Dudley. (1981). A New Instrument for Computerized Surgical Pathology. PubMed Central. 519–523. 3 indexed citations
9.
Khirabadi, Bijan S., et al.. (1981). Studies on the affinity chromatography of serum albumins from human and animal plasmas. Comparative Biochemistry and Physiology Part B Comparative Biochemistry. 68(2). 319–323. 5 indexed citations
10.
Ledley, Robert S., et al.. (1980). X-Ray Image Enhancement. PubMed Central. 1. 107–109. 1 indexed citations
11.
Ledley, Robert S., et al.. (1979). Interactive Decision-Support System for the Emergency Medical Triage Process. Europe PMC (PubMed Central). 52–55. 1 indexed citations
12.
Ledley, Robert S., et al.. (1979). COMPUTERIZED ELECTRO-OCULOGRAPHY (CEOG).. Europe PMC (PubMed Central). 598–602. 1 indexed citations
13.
Ledley, Robert S., et al.. (1978). Cross-sectional anatomy—An atlas for computerized tomography. 2(2). 131–132. 23 indexed citations
14.
Ledley, Robert S., et al.. (1977). Radiotherapy treatment planning using the acta-scanner. PubMed. 1(4). 275–282. 1 indexed citations
15.
Ledley, Robert S., et al.. (1967). Methodology to aid research planning. IEEE Transactions on Engineering Management. EM-14(2). 92–105. 1 indexed citations
16.
Ledley, Robert S.. (1966). FORTRAN IV programming. McGraw-Hill eBooks. 4 indexed citations
17.
Ledley, Robert S. & Frank H. Ruddle. (1966). Chromosome Analysis by Computer. Scientific American. 214(4). 40–46. 38 indexed citations
18.
Dayhoff, M. O. & Robert S. Ledley. (1962). COMPROTEIN, a Computer Program to Aid Primary Protein Structure Determination. 1. 262–262. 2 indexed citations
19.
Ledley, Robert S.. (1959). Boolean Matrix Equations in Digital Circuit Design. EC-8(2). 131–139. 6 indexed citations
20.
Ledley, Robert S.. (1955). DIGITAL COMPUTATIONAL METHODS IN SYMBOLIC LOGIC, WITH EXAMPLES IN BIOCHEMISTRY. Proceedings of the National Academy of Sciences. 41(7). 498–511. 31 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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