Omprakash Chakraborty

Postdoctoral Fellow at École de technologie supérieure (ÉTS), Montréal

FRQnet PBEEEI (2025) Google PhD Fellow (2023)

I work on label-efficient learning, prompt-based adaptation, and vision–language models for medical imaging (ophthalmology).

omprakash.chakraborty@livia.etsmtl.ca · omchakrabarty@gmail.com · Google Scholar

Omprakash Chakraborty

News

2025

  • Aug 2025: Awarded FRQnet PBEEEI Postdoctoral Fellowship.
  • Jul 2025: Started as Postdoctoral Fellow at ÉTS Montréal (supervisors: Ismail Ben Ayed, Jose Dolz).

2024

  • Nov 2024: TMLR paper accepted — XPL: Semi-Supervised Prompt Learning for VLMs.
  • Jun 2024: Received Nasscom AI Gamechangers recognition.

2023

  • May 2023: ICLR paper — AnyDA: Anytime Domain Adaptation.
  • Apr 2023: Awarded Google PhD Fellowship.
  • Jan 2023: Received INSC Young Researcher Award.

Selected Publications

O. Chakraborty, A. Sahoo, R. Panda, A. Das.
XPL: A Cross-Model Framework for Semi-Supervised Prompt Learning in Vision-Language Models.
Transactions on Machine Learning Research (TMLR), 2024.

O. Chakraborty, A. Sahoo, R. Panda, A. Das.
AnyDA: Anytime Domain Adaptation.
International Conference on Learning Representations (ICLR), 2023.

O. Chakraborty, A. Singh, A. Varshney, R. Panda, R. Feris, K. Saenko, A. Das.
Semi-Supervised Action Recognition with Temporal Contrastive Learning.
CVPR, 2021.

O. Chakraborty, P. Mitra, S. K. Ghosh.
Multi-facilities based Road Network Analysis for Flood Hazard Management.
Journal of Spatial Science, 2019.

Full list on Google Scholar (add link when ready).

Research Areas

Label-efficient Learning

Efficient learning with limited labels and compute; semi-/self-supervised, prompt-based methods.

Vision–Language Models

Parameter-efficient adaptation; robust prompts; medical imaging transfer.

Medical Imaging (Ophthalmology)

Segmentation and detection across ORIGA, REFUGE, SYSU; domain shifts and calibration.

Anytime / Efficient Inference

Anytime inference, dynamic computation, and resource-aware recognition.

CV

Download CV (PDF)

Contact

Email: omprakash.chakraborty@livia.etsmtl.ca | omchakrabarty@gmail.com

Profiles: GitHub · LinkedIn · Facebook