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Topic · Biomedical Engineering

Advanced X-ray and CT Imaging

Advanced X-ray and CT Imaging is a research topic within Biomedical Engineering. Science Explorer counts 46k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the advancements and applications of Dual-Energy Computed Tomography (CT), including material differentiation, metal artifact reduction, photon-counting detectors, spectral imaging, virtual monochromatic imaging, K-edge imaging, iodine quantification, and material separation. The research covers a wide range of clinical and technical aspects of Dual-Energy CT in medical imaging.

  • Dual-Energy CT
  • Material Differentiation
  • Metal Artifact Reduction
  • Photon-Counting Detector
  • Multi-Energy CT
  • Spectral Imaging
  • Virtual Monochromatic Imaging
  • K-Edge Imaging
  • Iodine Quantification
  • Material Separation
Research works
46k
fractional, since 1950
In the world top 10%
4.5k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+24%
the tick is no change
Largest producer
China
30% of the 10 largest, 2022-now
Advanced X-ray and CT Imaging

Which countries lead Advanced X-ray and CT Imaging research?

By volume, China and the United States publish the most (2.1k and 1.8k works in 2022-now).

By volume, 2022-now

  1. 1 China 2.1k works
  2. 2 United States 1.8k works
  3. 3 Germany 699 works
  4. 4 Japan 523 works
  5. 5 India 478 works
  6. 6 Italy 337 works
  7. 7 United Kingdom 331 works
  8. 8 South Korea 298 works
  9. 9 France 265 works
  10. 10 Canada 192 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 30.1%United States: 25.6%Germany: 9.9%Japan: 7.4%6 others listed: 27.0%30%largest
China2,122 · 30.1%United States1,801 · 25.6%Germany699 · 9.9%Japan523 · 7.4%6 others listed1,900 · 27.0%

Shares of the rows listed above, not of the whole node.

Which institutions lead Advanced X-ray and CT Imaging research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Advanced X-ray and CT Imaging research, followed by Mayo Clinic and Harvard University.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 88 works
  2. 2 Mayo ClinicUnited States 79 works
  3. 3 Harvard UniversityUnited States 76 works
  4. 4 Tsinghua UniversityChina 68 works
  5. 5 Centre National de la Recherche ScientifiqueFrance 59 works
  6. 6 Shanghai Jiao Tong UniversityChina 55 works
  7. 7 Sun Yat-sen UniversityChina 50 works
  8. 8 Heidelberg UniversityGermany 49 works
  9. 9 Yonsei UniversitySouth Korea 48 works
  10. 10 University of ZurichSwitzerland 42 works

Who are the leading researchers in Advanced X-ray and CT Imaging?

The most-cited researchers publishing on Advanced X-ray and CT Imaging include Zhong Lin Wang, Cyrus Cooper and Stephan Windecker.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Cyrus Cooper United Kingdom 342k citations
  3. 3 Stephan Windecker Switzerland 338k citations
  4. 4 Luigi Ferrucci United States 281k citations
  5. 5 Yousef Saleh Khader Jordan 274k citations
  6. 6 Patrick M. Bossuyt Netherlands 270k citations
  7. 7 Victoria Delgado Netherlands 269k citations
  8. 8 M. Weber Israel 267k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Advanced X-ray and CT Imaging?

The most cited paper in Advanced X-ray and CT Imaging is "ATHENA , ARTEMIS , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT" (Bruce Ravel, Matthew G. Newville, 2005), with 16,947 citations. Next come "Computed Tomography — An Increasing Source of Radiation Exposure" (8,786) and "Quantification of coronary artery calcium using ultrafast computed tomography" (7,833).

Most cited papers
#PaperReleasedCitations
1 ATHENA , ARTEMIS , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT Bruce Ravel, Matthew G. Newville · Journal of Synchrotron Radiation Open access 15 Jun 2005 16,947
2 Computed Tomography — An Increasing Source of Radiation Exposure David J. Brenner, Eric J. Hall · New England Journal of Medicine 28 Nov 2007 8,786
3 Quantification of coronary artery calcium using ultrafast computed tomography Arthur S. Agatston, Warren R. Janowitz, Frank J. Hildner et al. · Journal of the American College of Cardiology Open access Mar 1990 7,833
4 Standardized Myocardial Segmentation and Nomenclature for Tomographic Imaging of the Heart Manuel D. Cerqueira, Neil J. Weissman, Vasken Dilsizian et al. · Circulation 29 Jan 2002 7,048
5 Computational Radiomics System to Decode the Radiographic Phenotype Joost J. M. van Griethuysen, Andriy Fedorov, Chintan Parmar et al. · Cancer Research Open access 31 Oct 2017 6,776
All 100 most cited papers, with filters and sorting

Where is Advanced X-ray and CT Imaging research done?

The largest centres of Advanced X-ray and CT Imaging research in 2022-now are Beijing (China), Shanghai (China), Seoul (South Korea) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Forchheim and Malvern.

Largest cities, 2022-now

  1. 1 BeijingChina 368 works
  2. 2 ShanghaiChina 221 works
  3. 3 SeoulSouth Korea 152 works
  4. 4 GuangzhouChina 123 works
  5. 5 TokyoJapan 110 works
  6. 6 LondonUnited Kingdom 106 works
  7. 7 ChengduChina 86 works
  8. 8 NanjingChina 85 works
  9. 9 ParisFrance 78 works
  10. 10 Xi'anChina 76 works

Where it is the local speciality

  1. ForchheimDE · 32.8 works150×
  2. MalvernUS · 25.6 works69×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Advanced X-ray and CT Imaging than the world average.

See Advanced X-ray and CT Imaging on the map

Where is the best place to study Advanced X-ray and CT Imaging?

Among universities, judged by research, University of Zurich, Maastricht University and Heidelberg University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 23.01%fractional works in this field (log) →share of work in the world top 10% →New York UniversityUniversity of ZurichMaastricht UniversityHeidelberg University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of ZurichSwitzerland 85.528.4%7.2×42 +52.6%
2Maastricht UniversityNetherlands 75.828.2%5.6×19 +24.9%
3Heidelberg UniversityGermany 68.816.3%7.6×49 +26.8%
4New York UniversityUnited States 67.430.3%2.2×21 +99.7%
5Erasmus University RotterdamNetherlands 63.535.5%2.8×12 +88.3%
6Johannes Gutenberg University MainzGermany 61.827.0%5.7×18 +169.0%
7Shanghai Jiao Tong UniversityChina 61.716.4%2.3×56 +96.9%
8Harvard UniversityUnited States 61.413.2%2.8×76 -17.9%
9Sun Yat-sen UniversityChina 59.815.1%2.8×50 +108.7%
10University of GroningenNetherlands 59.519.7%3.3×19 +21.1%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Advanced X-ray and CT Imaging, country by country

Is Advanced X-ray and CT Imaging research growing?

Output in 2022-2025 was 24% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Advanced X-ray and CT Imaging.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Advanced X-ray and CT Imaging as a percentage of every work published that year, 0.047% in 2024.

still counting0.020%0.040%0.060%Advanced X-ray and CT Imaging0.042% in 202519801990200020102020

Fractional works of Advanced X-ray and CT Imaging over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Advanced X-ray and CT Imaging10.0% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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