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Research facility · Caen · France

GREYC

In research, GREYC stands highest in Computer Science (#3,384 of 4,667 worldwide) and Physical Sciences (#10,813 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Artificial Intelligence and Computer Science — Artificial Intelligence is 6.4× its share of world research.

greyc.frROR OpenAlex
World rank, 2022–2025
#20,180
of 28,054 · #16,862 all time
Rank in France
#932
of 1,422
Research works
1.2k
▼ 43% vs 2013–17
Citations
13k
11.6 per fractional work
Top-10% rate
8.4%
record average 16.5%
Open access
47%
world 28%

What is GREYC known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Computer ScienceField #3,384 of 4,667 9.6%69 #2203
Physical SciencesDomain #10,813 of 12,888 8.2%113 #9656

Each strip is that field’s whole ranked pool, with the notch where GREYC sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does GREYC specialise in?

Where its research is concentrated relative to its size: Artificial Intelligence takes 6.4× the share of its output that it takes of world research.

  1. Artificial IntelligenceSubfield · 23.4 works6.4×
  2. Computer ScienceField · 68.9 works5.8×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.19× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.36× its world share, 3 worksBiochemistry, Geneti…Neuroscience: 1.46× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.04× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.49× its world share, 0 worksChemical EngineeringChemistry: 0.36× its world share, 1 worksChemistryComputer Science: 5.82× its world share, 69 worksComputer ScienceEarth and Planetary Sciences: 1.80× its world share, 4 worksEarth and Planetary …Energy: 0.21× its world share, 0 worksEnergyEngineering: 1.08× its world share, 25 worksEngineeringEnvironmental Science: 0.07× its world share, 1 worksEnvironmental ScienceMaterials Science: 1.07× its world share, 6 worksMaterials ScienceMathematics: 2.59× its world share, 5 worksMathematicsPhysics and Astronomy: 0.95× its world share, 3 worksPhysics and AstronomyHealth Professions: 0.16× its world share, 1 worksHealth ProfessionsMedicine: 0.23× its world share, 7 worksMedicineNursing: 0.09× its world share, 0 worksNursingArts and Humanities: 0.75× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.26× its world share, 1 worksBusiness, Management…Decision Sciences: 1.44× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 1.10× its world share, 4 worksEconomics, Econometr…Psychology: 1.03× its world share, 5 worksPsychologySocial Sciences: 0.44× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 5.8×. Every wedge is a field page.

Who are the top researchers at GREYC?

Ranked on the composite score, Julien Rabin, Frédéric Jurie and Hervé Le Crosnier lead among researchers whose main affiliation is GREYC.

  1. 1 Julien Rabin France · #134,652 worldwide 192 citations · 28 works
  2. 2 Frédéric Jurie France · #232,437 worldwide 492 citations · 78 works
  3. 3 Hervé Le Crosnier France · #252,740 worldwide 3 citations · 37 works
  4. 4 Alain Bretto France · #419,354 worldwide 76 citations · 40 works
  5. 5 Bruno Zanuttini France · #523,117 worldwide 92 citations · 29 works
  6. 6 Abderrahim Elmoataz France · #541,227 worldwide 108 citations · 63 works
  7. 7 Christophe Rosenberger France · #645,370 worldwide 273 citations · 127 works
  8. 8 Olivier Lézoray France · #707,932 worldwide 132 citations · 78 works
  9. 9 D. Robbes France · #708,622 worldwide 63 citations · 26 works
  10. 10 Grégory Bonnet France · #790,839 worldwide 36 citations · 34 works
All ranked researchers at GREYC

Which keywords describe research at GREYC?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Machine Learning, Security, Cultural Heritage, Privacy, Feature Extraction, Neural Networks and Authentication.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Deep Learning24▲ 4.6×56 topics
  2. Machine Learning20▲ 4.0×53 topics
  3. Security9▲ 9.2×13 topics
  4. Neural Networks8▲ 3.4×24 topics
  5. Cultural Heritage8▲ 9.5×7 topics
  6. Feature Extraction7▲ 9.6×9 topics
  7. Privacy7▲ 15×4 topics
  8. Convolutional Neural Networks5▲ 4.8×11 topics
  9. Authentication5▲ 22×3 topics
  10. Knowledge Representation4▲ 33×3 topics
  11. Semantic Web4▲ 32×4 topics
  12. Biometric Recognition4▲ 116×1 topic
  13. Data Integration4▲ 16×3 topics
  14. Fingerprint4▲ 116×1 topic
  15. 3D Reconstruction4▲ 29×2 topics
  16. Description Logics4▲ 55×2 topics
  17. Point Clouds4▲ 29×2 topics
  18. Data Mining4▲ 3.4×7 topics
  19. Medical Image Analysis4▲ 13×4 topics
  20. Terrestrial Laser Scanning3▲ 17×2 topics
  21. Photogrammetry3▲ 33×1 topic
  22. UAV3▲ 33×1 topic
  23. IoT Security3▲ 6.2×3 topics
  24. Linked Data3▲ 49×1 topic
  25. Ontology3▲ 25×1 topic
  26. Electronic Structure3▲ 10×3 topics
  27. Simulation3▲ 6.8×5 topics
  28. Information Retrieval2▲ 7.2×5 topics
  29. Natural Language Processing2▲ 6.6×5 topics
  30. Digital Communication2▲ 20×1 topic
  31. Information Studies2▲ 68×1 topic
  32. Metal-Insulator Transition2▲ 22×2 topics
  33. Network Analysis2▲ 13×2 topics
  34. Security Analysis2▲ 8.2×4 topics
  35. Unsupervised Learning2▲ 10×3 topics
  36. Computer-Aided Detection2▲ 16×1 topic
  37. Histopathology Images2▲ 16×1 topic
  38. Network Security2▲ 10×2 topics
  39. Digital Forensics2▲ 26×2 topics
  40. Representation Learning2▲ 9.5×3 topics

Which research topics does GREYC publish most on?

By volume in 2022–2025: Biometric Identification and Security, 3D Surveying and Cultural Heritage, Semantic Web and Ontologies and Cultural Insights and Digital Impacts.

Biometric Identification and Security: 4 fractional works3D Surveying and Cultural Heritage: 3 fractional worksSemantic Web and Ontolog…3Semantic Web and Ontologies: 3 fractional worksCultural Insights and Di…2Cultural Insights and Digital Impacts: 2 fractional worksAI in cancer detection: 2 fractional worksMagnetic and transport properties of perovskites and related materials: 2 fractional worksImage Processing and 3D …2Image Processing and 3D Reconstruction: 2 fractional worksNetwork Security and Intrusion Detection: 2 fractional worksBlockchain Technology Applications and Security: 2 fractional worksData Management and Algo…2Data Management and Algorithms: 2 fractional works
Signal ProcessingGeologyArtificial IntelligenceComputer Networks and Communications3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Biometric Identification and Security Signal Processing 4 works
  2. 2 3D Surveying and Cultural Heritage Geology 3 works
  3. 3 Semantic Web and Ontologies Artificial Intelligence 3 works
  4. 4 Cultural Insights and Digital Impacts Computer Networks and Communications 2 works
  5. 5 AI in cancer detection Artificial Intelligence 2 works
  6. 6 Magnetic and transport properties of perovskites and related materials Electronic, Optical and Magnetic Materials 2 works
  7. 7 Image Processing and 3D Reconstruction Computer Vision and Pattern Recognition 2 works
  8. 8 Network Security and Intrusion Detection Computer Networks and Communications 2 works
  9. 9 Blockchain Technology Applications and Security Information Systems 2 works
  10. 10 Data Management and Algorithms Signal Processing 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available46.9%not open53.1%

World: 28% of research is openly available.

with international co-authors15.0%domestic only85.0%

World: 19% is written across borders.

How has GREYC's research output changed?

Output in 2018–2022 was 43% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Caen

All research institutions in Caen

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.