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Topic · Computer Vision and Pattern Recognition

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. 9.8% 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%
4.3k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+8%
the tick is no change
Largest producer
China
63% of the 10 largest, 2022-now
Optical measurement and interference techniques

Which countries lead Optical measurement and interference techniques research?

By volume, China and the United States publish the most (3.7k and 660 works in 2022-now).

By volume, 2022-now

  1. 1 China 3.7k works
  2. 2 United States 660 works
  3. 3 Japan 289 works
  4. 4 Germany 262 works
  5. 5 South Korea 206 works
  6. 6 India 195 works
  7. 7 France 184 works
  8. 8 United Kingdom 157 works
  9. 9 Italy 149 works
  10. 10 Russia 131 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: 62.5%United States: 11.1%Japan: 4.8%Germany: 4.4%6 others listed: 17.1%63%largest
China3,730 · 62.5%United States660 · 11.1%Japan289 · 4.8%Germany262 · 4.4%6 others listed1,022 · 17.1%

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

Which institutions lead Optical measurement and interference techniques research?

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

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 233 works
  2. 2 Tsinghua UniversityChina 82 works
  3. 3 Beijing Institute of TechnologyChina 81 works
  4. 4 Shanghai Jiao Tong UniversityChina 80 works
  5. 5 Nanjing University of Science and TechnologyChina 76 works
  6. 6 University of Chinese Academy of SciencesChina 72 works
  7. 7 Beihang UniversityChina 71 works
  8. 8 Harbin Institute of TechnologyChina 71 works
  9. 9 Centre National de la Recherche ScientifiqueFrance 69 works
  10. 10 Zhejiang UniversityChina 68 works

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

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

  1. 1 Trevor Hastie United States 301k citations
  2. 2 Xiaogang Wang China 260k citations
  3. 3 Andrew Zisserman United Kingdom 255k citations
  4. 4 Kai You Wang China 224k citations
  5. 5 Stephen M. Smith United Kingdom 214k citations
  6. 6 Trevor J. Darrell United States 206k 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 Optical measurement and interference techniques?

The most cited paper in Optical measurement and interference techniques is "A flexible new technique for camera calibration" (Zheng Zhang, 2000), with 14,989 citations. Next come "A versatile camera calibration technique for high-accuracy 3D machine vision metrology using off-the-shelf TV cameras and lenses" (5,863) and "Fourier-transform method of fringe-pattern analysis for computer-based topography and interferometry" (4,295).

Most cited papers
#PaperReleasedCitations
1 A flexible new technique for camera calibration Zheng Zhang · IEEE Transactions on Pattern Analysis and Machine Intelligence 2000 14,989
2 A versatile camera calibration technique for high-accuracy 3D machine vision metrology using off-the-shelf TV cameras and lenses R. Tsai · IEEE Journal on Robotics and Automation Aug 1987 5,863
3 Fourier-transform method of fringe-pattern analysis for computer-based topography and interferometry Mitsuo Wada Takeda, Hideki Ina, Seiji Kobayashi · Journal of the Optical Society of America 1982 4,295
4 Bundle Adjustment — A Modern Synthesis Bill Triggs, Philip F. McLauchlan, Richard I. Hartley et al. · Lecture notes in computer science Conference paperOpen access 2000 3,879
5 A tutorial on visual servo control Seth Hutchinson, Gregory D. Hager, Peter Corke · IEEE Transactions on Robotics and Automation 1996 3,533
All 98 most cited papers, with filters and sorting

Where is Optical measurement and interference techniques research done?

The largest centres of Optical measurement and interference techniques research in 2022-now 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 and Xi'an.

Largest cities, 2022-now

  1. 1 BeijingChina 732 works
  2. 2 ShanghaiChina 310 works
  3. 3 Xi'anChina 253 works
  4. 4 NanjingChina 244 works
  5. 5 WuhanChina 170 works
  6. 6 ChengduChina 156 works
  7. 7 HangzhouChina 141 works
  8. 8 TianjinChina 140 works
  9. 9 HefeiChina 114 works
  10. 10 HarbinChina 111 works

Where it is the local speciality

  1. MianyangCN · 27.8 works7.2×
  2. Xi'anCN · 252.9 works4.7×
← less than its size predicts1×more →

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, Tsinghua University, Southeast University and Hunan 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%10%20%30%mean 17.24%fractional works in this field (log) →share of work in the world top 10% →Hunan UniversitySoutheast UniversitySichuan UniversityTsinghua 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
1Tsinghua UniversityChina 71.517.5%5.8×82 +18.1%
2Southeast UniversityChina 67.420.0%4.5×41 +40.7%
3Hunan UniversityChina 67.125.7%4.8×21 +89.8%
4Sichuan UniversityChina 66.219.5%4.0×55 +27.2%
5Zhejiang UniversityChina 65.815.5%4.2×68 +29.7%
6Shenzhen UniversityChina 64.517.3%7.4×34 +28.7%
7Beihang UniversityChina 64.416.3%10.5×71 -13.1%
8Xi'an Jiaotong UniversityChina 64.415.2%5.7×61 +30.1%
9Huazhong University of Science and TechnologyChina 62.013.5%5.3×59 +28.5%
10Harbin Institute of TechnologyChina 61.511.9%7.0×71 +16.7%

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 Optical measurement and interference techniques, country by country

Is Optical measurement and interference techniques research growing?

Output in 2022-2025 was 8% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Optical measurement and interference techniques.

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 Optical measurement and interference techniques as a percentage of every work published that year, 0.032% in 2024.

still counting0.025%0.050%0.075%Optical measurement and interference techniques0.028% in 202519801990200020102020

Fractional works of Optical measurement and interference techniques 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%Optical measurement and interference techniques9.7% 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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