World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
43
Citations
7962
World Ranking
7975
National Ranking
103

Sim Heng Ong publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Sim Heng Ong sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 271 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Sim Heng Ong D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Sim Heng Ong sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 43 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

Sim Heng Ong is affiliated with the National University of Singapore in Singapore. Their work primarily spans the field of Computer Science with a focus on subfields such as Computer Vision and Pattern Recognition, Aerospace Engineering, and Neurology.

The main areas of research that Sim Heng Ong has contributed to include:

  • Robotics and Sensor-Based Localization
  • Advanced Image and Video Retrieval Techniques
  • Medical Image Segmentation Techniques
  • Intracerebral and Subarachnoid Hemorrhage Research

Sim Heng Ong has published research in academic venues such as:

  • Pattern Recognition
  • Neurosurgery

Their recent papers include:

  • "Point set registration with mixture framework and variational inference," 2020, published in Pattern Recognition
  • "1257 Artificial Intelligence-Based Agglomerative Clustering of Patient Phenotypes and Disease Factors in Spontaneous Intracerebral Hemorrhage," 2025, published in Neurosurgery

Frequent collaborators in their research are:

  • Xinke Ma
  • Shijin Xu
  • Jie Zhou
  • Qinglu Yang
  • Yang Yang

This collaboration network reflects a multidisciplinary approach in their work, integrating perspectives from computer science and medical fields. The publications and topics indicate a focus on leveraging computational techniques for practical applications in image processing and medical diagnosis.

Best Publications

  • Integrating spatial fuzzy clustering with level set methods for automated medical image segmentation

    Bing Nan Li;Chee Kong Chui;Stephen Chang;S. H. Ong

  • Medical Image Segmentation Using K-Means Clustering and Improved Watershed Algorithm

    H.P. Ng;S.H. Ong;K.W.C. Foong;P.S. Goh

  • Autofocusing for tissue microscopy

    T. T. E. Yeo;S. H. Ong;Jayasooriah;R. Sinniah

  • Optimal and Near-Optimal Signal Detection in Snapping Shrimp Dominated Ambient Noise

    M.A. Chitre;J.R. Potter;Sim-Heng Ong

  • Tooth segmentation of dental study models using range images

    T. Kondo;S.H. Ong;K.W.C. Foong

  • MalariaCount: an image analysis-based program for the accurate determination of parasitemia

    Selena W.S. Sio;Weiling Sun;Saravana Kumar;Wong Zeng Bin

  • Fast segmentation of bone in CT images using 3D adaptive thresholding

    J. Zhang;C. H. Yan;C. K. Chui;S. H. Ong

  • Segmentation of color images using a two-stage self-organizing network

    Sim Heng Ong;N. C. Yeo;K. H. Lee;Y. V. Venkatesh

  • Level-set segmentation of brain tumors using a threshold-based speed function

    S. Taheri;S. H. Ong;V. F. H. Chong

  • An enhanced musical experience for the deaf: design and evaluation of a music display and a haptic chair

    Suranga Nanayakkara;Elizabeth Taylor;Lonce Wyse;S H. Ong

  • Performance of coded OFDM in very shallow water channels and snapping shrimp noise

    M. Chitre;S.H. Ong;J. Potter

  • A rule-based approach for robust clump splitting

    S. Kumar;S. H. Ong;S. Ranganath;T. C. Ong

  • Regional Interactive Image Segmentation Networks

    JunHao Liew;Yunchao Wei;Wei Xiong;Sim-Heng Ong

  • A new unified level set method for semi-automatic liver tumor segmentation on contrast-enhanced CT images

    Bing Nan Li;Chee Kong Chui;Stephen Chang;Sim Heng Ong

  • Model-based optic nerve head segmentation on retinal fundus images

    Fengshou Yin;Jiang Liu;Sim Heng Ong;Ying Sun

  • Remote Sensing Image Registration Using Multiple Image Features

    Kun Yang;Anning Pan;Yang Yang;Su Zhang

  • A practical method for estimating fractal dimension

    X. C. Jin;S. H. Ong;Jayasooriah

  • A robust global and local mixture distance based non-rigid point set registration

    Yang Yang;Sim Heng Ong;Kelvin Weng Chiong Foong

  • Integrating machine learning with region-based active contour models in medical image segmentation

    Agus Pratondo;Chee-Kong Chui;Sim-Heng Ong

  • Robust Edge-Stop Functions for Edge-Based Active Contour Models in Medical Image Segmentation

    Agus Pratondo;Chee-Kong Chui;Sim-Heng Ong

  • Image analysis of tissue sections

    S.H. Ong;X.C. Jin;Jayasooriah;R. Sinniah

Frequent Co-Authors

Chee-Kong Chui
Chee-Kong Chui National University of Singapore
Wei Xiong
Wei Xiong University of Pittsburgh
Wieslaw L. Nowinski
Wieslaw L. Nowinski Nowinski Brain Foundation
Jiang Liu
Jiang Liu Southern University of Science and Technology
Tin Aung
Tin Aung National University of Singapore
Swee Hin Teoh
Swee Hin Teoh Nanyang Technological University
Mandar Chitre
Mandar Chitre National University of Singapore
Kai Keng Ang
Kai Keng Ang A*STAR - Agency for Science, Technology and Research
Saeid Sanei
Saeid Sanei Nottingham Trent University
Joo-Hwee Lim
Joo-Hwee Lim Agency for Science, Technology and Research

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing Computer Science in the USA opens the door to a variety of flexible study and career options. Many students now consider online degree programs, which provide greater accessibility and affordability compared to traditional paths.

For those seeking a fast-track route, online associate degrees can be completed in as little as six months, offering a solid introduction to computer science fundamentals. If you’re interested in blending technology and business skills, numerous online business schools offer cost-effective degrees that can enhance your versatility on the job market.

For students aiming for broader professional opportunities, earning an online bachelors degree in computer science or a related field can unlock higher-paying roles and help build a strong academic foundation. Alternatively, if cost is a major factor, you can explore the cheapest engineering degree online programs, which combine technical knowledge with affordability, enabling you to launch a tech career without the burden of excessive student debt.

These flexible pathways empower students to align their education with their career goals and financial situations, making a computer science education in the USA more accessible than ever.

Best Scientists Citing Sim Heng Ong

Trending Scientists

Recently Published Articles