Applied Optics
Wavefront sensing, optical metrology, profilometry, fringe analysis and laser systems.
Professor · IGDTUW · Director, AIRF
I work on applied optics, image processing and computer vision — and I teach physics to engineers who mostly did not expect to enjoy it.
Citation figures from Google Scholar, July 2026.
Six threads, one question: how do we get information out of light?
Wavefront sensing, optical metrology, profilometry, fringe analysis and laser systems.
Image enhancement, denoising, reflection removal and document analysis.
Facial expression recognition, pain intensity detection and motion analysis.
Machine learning, deep neural networks and pattern recognition.
AI-assisted healthcare, facial pain assessment and medical imaging.
Automation systems, admission management and digital governance.
32 journal papers, 27 conference papers and chapters.
Undergraduate through doctoral.
Applied Physics — Theory · Applied Physics — Lab
Digital Image Processing · Digital Speech Processing · Multimedia Technology
Research Methodology · Research Ethics
6 doctorates awarded, 3 in progress.
Sonam SinghDegree awarded
Neeru RatheeDegree awarded
Lalita AggarwalDegree awarded 2023
Shivangi AnthwalDegree awarded 2023
Neha GoelDegree awarded May 2025
Rashmi ChaurasiaDegree awarded March 2026
Simran MalikOngoing
Tanveer KaurOngoing
Tamanna JindalOngoing
15 topics, from colorimetry to the history of physics.
Where I send students who want to go beyond the syllabus.
Collaboration, invited talks, or a question about a course.
A-101, Old Social Science Block, IGDTUW, Kashmere Gate, Delhi 110006
Monday – Friday, 9:00 AM – 5:00 PM