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Gautam Pai

PhD, Assistant Professor (UD)

20142025

Research activity per year

Personal profile

Personal profile

I am an Assistant Professor in the Mathematics of Imaging & AI group (DAMUT-EEMCS) at the University of Twente. My research interests broadly span different aspects of geometry in computer vision and machine learning. I am particularly interested in the applications of spectral and metric geometry for shape analysis, unsupervised learning, and image processing. 

Research interests

The guiding theme of my research is the interplay between Geometry, Numerical Algorithms, and Machine Learning. I develop solutions for computational problems from different geometric modalities: images, graphs, and discrete representations of geometric shapes like 3D meshes and point clouds. Recent advances in deep learning provide compelling tools with neural networks to generate state-of-the-art performance for multiple challenges in image and geometry processing. However, despite this progress, they are generally considered to lack mathematical intuition and often demand significant amounts of clean, annotated training data for learning acceptable models. My research aspires to address these shortcomings by establishing a more meaningful merger between mathematically precise algorithms on one end, and data-intensive learning methods on the other. Therefore, besides improving performance, I aspire to improve mathematical interpretability and data efficiency in computational models. You can find some topics of my current interests in an Overview and, my papers with links to all details in Publications

Education/Academic qualification

PhD, Technion-Israel Institute of Technology

Award Date: 26 Dec 2019

Master, Electrical Engineering & Signal Processing, Indian Institute of Science Bangalore

Award Date: 21 Sept 2013

Postdoctoral Researcher, Eindhoven University of Technology

2022 → 2024

Postdoctoral Researcher, Ecole Polytechnique

2020 → 2022

Senior Engineer, Philips Research Bangalore

2013 → 2015

Keywords

  • QA75 Electronic computers. Computer science

Artificial Intelligence Expert

  • Deep Learning
  • Computer Vision
  • Traditional Machine Learning

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Collaborations and top research areas from the last five years

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  • Entropic Optimal Transport with Data-Driven Metrics on the Roto-Translation Group

    Pai, G., Bellaard, G., Sengers, R., Florack, L. & Duits, R., 17 May 2025, Scale Space and Variational Methods in Computer Vision: 10th International Conference, SSVM 2025, Dartington, UK, May 18–22, 2025, Proceedings, Part II. Bubba, T. A., Gaburro, R., Gazzola, S., Papafitsoros, K., Pereyra, M. & Schönlieb, C.-B. (eds.). Springer, p. 350-363 14 p. (Lecture Notes in Computer Science; vol. 15668).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

    Open Access
    File
    6 Downloads (Pure)
  • Loss function inversion for improved crack segmentation in steel bridges using a CNN framework

    Kompanets, A., Duits, R., Pai, G., Leonetti, D. & Snijder, H. H., Feb 2025, In: Automation in construction. 170, 105896.

    Research output: Contribution to journal › Article › Academic › peer-review

    Open Access
    File
    137 Downloads (Pure)
  • Optimal Transport on the Lie Group of Roto-translations

    Bon, D., Pai, G. (Corresponding Author), Bellaard, G., Mula, O. & Duits, R., 2025, In: SIAM journal on imaging sciences. 18, 2, p. 789-821 33 p.

    Research output: Contribution to journal › Article › Academic › peer-review

    Open Access
    File
    18 Downloads (Pure)
  • Geodesic Tracking via New Data-Driven Connections of Cartan Type for Vascular Tree Tracking

    van den Berg, N. J., Smets, B. M. N., Pai, G., Mirebeau, J.-M. & Duits, R., Apr 2024, In: Journal of Mathematical Imaging and Vision. 66, 2, p. 198-230 33 p.

    Research output: Contribution to journal › Article › Academic › peer-review

    Open Access
    File
    17 Downloads (Pure)
  • Analysis of (sub-)Riemannian PDE-G-CNNs

    Bellaard, G., Bon, D. L. J., Pai, G., Smets, B. M. N. & Duits, R., Dec 2023, In: Journal of Mathematical Imaging and Vision. 65, 6, p. 819-843 25 p.

    Research output: Contribution to journal › Article › Academic › peer-review

    Open Access
    File
    75 Downloads (Pure)