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Optical measurement and interference techniques

Optical measurement and interference techniques is a research topic within Computer Vision and Pattern Recognition. Science Explorer counts 44k research works in it since 1950. 14.7% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers advances in digital image correlation techniques, including camera calibration, structured light and fringe projection methods, 3D shape measurement, phase unwrapping, strain and deformation analysis, optical metrology, and inverse modeling for surface profilometry.

  • Camera Calibration
  • Structured Light
  • Fringe Projection
  • 3D Shape Measurement
  • Phase Unwrapping
  • Strain Measurement
  • Deformation Analysis
  • Optical Metrology
  • Inverse Modeling
  • Surface Profilometry
Research works
44k
fractional, since 1950
In the world top 10%
6.4k
per year above
Top-10% rate
14.7%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+7%
the tick is no change

Which countries lead Optical measurement and interference techniques research?

By volume, China and the United States publish the most (3.4k and 616 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 3.4k works
  2. 2 United States 616 works
  3. 3 Japan 266 works
  4. 4 Germany 243 works
  5. 5 South Korea 190 works
  6. 6 India 183 works
  7. 7 France 171 works
  8. 8 United Kingdom 145 works
  9. 9 Italy 138 works
  10. 10 Russia 122 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: 61.9%United States: 11.3%Japan: 4.9%Germany: 4.5%6 others listed: 17.5%62%largest
China3,364 · 61.9%United States616 · 11.3%Japan266 · 4.9%Germany243 · 4.5%6 others listed950 · 17.5%

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

Which institutions lead Optical measurement and interference techniques research?

By volume in 2022–2025, Beijing Institute of Technology publishes the most Optical measurement and interference techniques research, followed by Chinese Academy of Sciences and Tsinghua University.

Who are the leading researchers in Optical measurement and interference techniques?

The most-cited researchers publishing on Optical measurement and interference techniques include Andrew Zisserman, Serge Belongie and Xiaogang Wang.

  1. 1 Andrew Zisserman United Kingdom 25k citations
  2. 2 Serge Belongie United States 14k citations
  3. 3 Xiaogang Wang Russia 13k citations
  4. 4 Jitendra Malik United States 12k citations
  5. 5 Pietro Perona United States 11k citations
  6. 6 Sebastian Thrun United States 10k citations
  7. 7 Wei Liu China 9.7k citations
  8. 8 Luc Van Gool Switzerland 8.5k citations
  9. 9 Alan Yuille United States 8.4k citations
  10. 10 Ming–Hsuan Yang United States 7.4k citations

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

Where is Optical measurement and interference techniques research done?

The largest centres of Optical measurement and interference techniques research in 2022–2025 are Beijing (China), Shanghai (China), Xi'an (China) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Mianyang, Xi'an and Guilin.

Largest cities, 2022–2025

  1. 1 Beijing China 677 works
  2. 2 Shanghai China 286 works
  3. 3 Xi'an China 237 works
  4. 4 Nanjing China 223 works
  5. 5 Wuhan China 155 works
  6. 6 Chengdu China 144 works
  7. 7 Hangzhou China 133 works
  8. 8 Tianjin China 127 works
  9. 9 Harbin China 104 works
  10. 10 Hefei China 103 works

Where it is the local speciality

  1. MianyangCN · 25.5 works7.2×
  2. Xi'anCN · 236.8 works4.7×
  3. GuilinCN · 23.8 works4.5×
← less than its size predictsmore →

Location quotient: how much more of its research is in Optical measurement and interference techniques than the world average.

See Optical measurement and interference techniques on the map

Where is the best place to study Optical measurement and interference techniques?

Among universities, judged by research, Nanjing University of Science and Technology, Beihang University and Beijing Institute of Technology 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 17.51%fractional works in this node (log) →share in the world top 10% →Nanjing University of Science and Technology: 71, 14.5%Beihang University: 64, 18.7%Beijing Institute of Technology: 78, 12.8%Tsinghua University: 76, 20.2%Harbin Institute of Technology: 67, 16.6%Hefei University of Technology: 33, 9.6%Dalian University of Technology: 40, 15.9%University of Maryland, Baltimore County: 8, 13.7%Nanyang Technological University: 16, 37.6%National University of Defense Technology: 44, 15.5%Tsinghua UniversityBeihang UniversityNanjing University o…Beijing Institute of…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Nanjing University of Science and TechnologyChina 66.014.5%13.6×71 +106.7%
2 Beihang UniversityChina 63.218.7%9.1×64 +56.5%
3 Beijing Institute of TechnologyChina 60.412.8%10.3×78 +15.0%
4 Tsinghua UniversityChina 56.620.2%6.1×76 +33.2%
5 Harbin Institute of TechnologyChina 54.416.6%6.4×67 +60.4%
6 Hefei University of TechnologyChina 52.99.6%9.3×33 +94.3%
7 Dalian University of TechnologyChina 52.415.9%6.6×40 +106.2%
8 University of Maryland, Baltimore CountyUnited States 51.913.7%12.2×8 +167.9%
9 Nanyang Technological UniversitySingapore 51.837.6%3.2×16 -12.4%
10 National University of Defense TechnologyChina 51.515.5%8.9×44 -5.1%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Optical measurement and interference techniques research growing?

Output in 2018–2022 was 7% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Optical measurement and interference techniques.

19801990200020102020
grewheldshrank

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

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.