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Researcher · Information Technologies Institute · Greece

Nicholas Vretos

Nicholas Vretos publishes mostly in Computer Vision and Pattern Recognition, Artificial Intelligence and Signal Processing, on topics such as Online Learning and Analytics, Advanced Image and Video Retrieval Techniques and Face and Expression Recognition.

ORCID 0000-0003-3604-9685 OpenAlex
World rank
#1,414,132
of 1,633,909 ranked researchers
Rank in Greece
#6,445
of 7,348
Works
23
Citations
25
Citations per work
1.1

What does Nicholas Vretos research?

Computer Vision and Pattern Recognition: 42.3%Artificial Intelligence: 23.1%Signal Processing: 11.5%Computer Science Applications: 7.7%other fields: 15.4%42%top field
Computer Vision and Pattern Recognition42.3%Artificial Intelligence23.1%Signal Processing11.5%Computer Science Applications7.7%other fields15.4%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Computer Vision and Pattern Recognition42% of their works
  2. 2Artificial Intelligence23% of their works
  3. 3Signal Processing12% of their works
  4. 4Computer Science Applications8% of their works
  5. 5Epidemiology4% of their works
  6. 6Endocrinology, Diabetes and Metabolism4% of their works

Research topics

Which keywords describe Nicholas Vretos's research?

The keywords of their largest research topics: Deep Learning, Audio Signal Classification, Content-Based Retrieval, Dimensionality Reduction, Educational Data Mining, Face Recognition, Feature Matching and Learning Analytics.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Deep Learning53 topics
  2. Audio Signal Classification21 topic
  3. Content-Based Retrieval21 topic
  4. Dimensionality Reduction21 topic
  5. Educational Data Mining21 topic
  6. Face Recognition21 topic
  7. Feature Matching21 topic
  8. Learning Analytics21 topic
  9. Local Descriptors21 topic
  10. Music Information Retrieval21 topic
  11. Video Summarization21 topic
  12. Affective States11 topic
  13. Anomaly Detection11 topic
  14. Domain Adaptation11 topic
  15. Intelligent Tutoring Systems11 topic
  16. Transfer Learning11 topic
  17. Unsupervised11 topic

Where does Nicholas Vretos work?

Nicholas Vretos's main affiliation in the publication record is Information Technologies Institute, Greece.

How many publications and citations does Nicholas Vretos have?

Science Explorer counts 23 works and 25 citations for Nicholas Vretos, ranking #1,414,132 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.