
Hello!
I'm a Ph.D student in the Department of Computer Science at University of Toronto, jointly advised by Dr. Alex Mariakakis and Dr. Eyal de Lara. My research focuses on building intelligent systems that can sense, process, and infer human actions, physiology, and context. I primarily employ signal processing and machine learning techniques to realize such systems, with applications in healthcare, gesture/activity recognition, and novel interactions.
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Before commencing my Ph.D, I graduated with a Bachelors in Technology from IIIT Delhi, with a major in Computer Science Engineering. As an undergraduate, I worked on multiple research projects under the guidance of Dr. Aman Parnami, Dr. Jainendra Shukla, and Dr. Mayank Goel, among others.
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I'm seeking both postdoctoral and industry research positions, starting Fall 2026. Please reach out if you think I’d be a good fit!
News & Updates
03/26
Received Wolfond Scholarship in Wireless Information Technology for 2025-2026 academic session.
03/26
Mudra accepted (conditionally) at Graphics Interface, 2026 (GI '26). More details coming soon!
01/26
Selected to present my research at the Data Sciences Institute Talent Showcase.
11/25
Gave a guest lecture for the Mobile and Ubiquitous Computing course at Northwestern University (taught by Nivedita Arora).
10/25
Received the inaugural ACM UbiComp Best Doctoral Colloquium Contribution Award!
09/25
Association of daily lung condition in COPD patients with wearable speech and physiological data published in Nature Scientific Reports.
05/25
Awarded the Data Sciences Institue Doctoral Fellowship!
04/25
Presented Phoneme-Aware Acoustic Analysis of Natural Speech For Lung Function Assessment at IEEE ICASSP, 2025. The conference took place back home in India!
03/25
Nominated for the Google PhD Fellowship by the University of Toronto.
Research

Graphics Interface, 2026. To appear.
Mudra: Enabling Microgesture Recognition on COTS Smartwatches
Sejal Bhalla, Cady Xu, Karan Ahuja, Alex Mariakakis, Ishan Chatterjee

ACM UbiComp, 2025. Best Doctoral Colloquium Contribution Award.
Sejal Bhalla, Eyal de Lara, Alex Mariakakis

Nature Scientific Reports, 2025
Sejal Bhalla, Deshang Kong, Salaar Liaqat, Daniyal Liaqat, Robert Wu, Andrea Gershon, Eyal de Lara, Alex Mariakakis

Sejal Bhalla, Tien Han, Robert Wu, Andrea Gershon, Eyal de Lara, Alex Mariakakis
IEEE ICASSP, 2025.

Kenneth Christofferson, Sejal Bhalla, Joseph Cafazzo, Alex Mariakakis
EarComp Workshop, ACM UbiComp 2024. Best Paper.

Sejal Bhalla, Salaar Liaqat, Robert Wu, Andrea Gershon, Eyal de Lara, Alex Mariakakis
ACM UbiComp/IMWUT, 2023.

Sejal Bhalla, Dhruv Verma, S. V. Sai Santosh, Saumya Yadav, Aman Parnami, Jainendra Shukla
IEEE ACII, 2023.

Sejal Bhalla, Mayank Goel, Rushil Khurana
ACM UbiComp/IMWUT, 2021.

Sejal Bhalla, Dhruv Verma, Dhruv Sahnan, Jainendra Shukla, Aman Parnami
ACM UbiComp/IMWUT, 2021.
