Research Portfolio

Optical Imaging & Computer Vision Research

My research covers computer vision, deep learning, and image processing for optical and biomedical imaging. I work mainly with Optical Coherence Tomography (OCT), developing methods for medical diagnostics, micro-structural analysis, and non-destructive testing.

5
Journal papers
4
As co-first author
4
Q1 journals
AI/ML
Core focus
Peer-Reviewed Publications

Five journal papers, co-first author on four

Published across Elsevier, the Royal Society of Chemistry, and Springer Nature. My name is highlighted in each author list; marks an equal-contribution (co-first) author.

01 Co-first † Q1 · IF ≈ 9.4 Open Access Results in Engineering · Elsevier

Vision-incorporated Multichannel Feature Fusion Template Matching (MUFF-TM) and real-time sub-pixel coordinate localization for 2D textile surfaces in ultrasonic tacking systems

Bimsara Sandaruwan Kahandawala †, Rizma Nalmi †, Buddhika Amila Kumara Sodige, Kasun Subasinghage, Bhagya Nathali Silva, Ruchire Eranga Wijesinghe, Seong Tak Woo

2026 · Vol 31, 111491 10.1016/j.rineng.2026.111491
Computer Vision Sub-pixel Localization Industrial AI
02 Co-first † Q2 Emergent Materials · Springer Nature

OcupHI: a knowledge-driven colorimetric interpretation framework for high-precision real-time ocular pH diagnostics

Bimsara Sandaruwan Kahandawala †, H. H. P. Benuwan Sandaruwan, Pavanee Liyanage, Rohan S. Dassanayake, Narahenpitage Pabakara Costha, Renuka N. Liyanage, Udaya Wijenayake, Ruchire Eranga Wijesinghe, Bhagya Nathali Silva, Danushika C. Manatunga

2026 · Vol 9, Art. 204 Emergent Materials 9, 204 (2026)
Biomedical Diagnostics Colorimetric Sensing Real-time
03 Co-first † Q1 Env. Science: Processes & Impacts · RSC

Brewing plastics: OCT reveals microplastic release from nylon tea bags in simulated brewed tea infusions

Pramoda Maheshi Jayasekara †, Praveen Abhishek †, Bimsara Sandaruwan Kahandawala †, Nisala Damith, Manura Weerasinghe, Nipun Shantha Kahatapitiya, Bhagya Nathali Silva, Shiromi Karunaratne, Ruchire Eranga Wijesinghe, Udaya Wijenayake, Anushka Upamali Rajapaksha, Meththika Vithanage

2026 · Vol 28(2), 392–404 10.1039/D5EM00644A
OCT Image Processing Environmental Health

Featured in national press — see Research in the media below.

04 Co-first † Q1 Optik · Elsevier

High-resolution optical imaging for sustainable fish freshness and safety assessment

M. Nerandi Madhubhashini †, Bimsara Sandaruwan Kahandawala †, H. H. P. Benuwan Sandaruwan, Bhagya Nathali Silva, Udaya Wijenayake, Ruchire Eranga Wijesinghe

2026 10.1016/j.ijleo.2026.172733
OCT Non-destructive Testing Food Quality
05 Q1 · IF ≈ 13.6 Journal of Hazardous Materials · Elsevier

Environmental forensics of the X-Press Pearl disaster: uncovering the internal micro-structural transformations in marine microplastics

Pramoda Maheshi Jayasekara †, Praveen Abhishek †, Nipun Shantha Kahatapitiya, Manura Weerasinghe, Bimsara Sandaruwan Kahandawala, Bhagya Nathali Silva, Udaya Wijenayake, Anushka Upamali Rajapaksha, Ruchire Eranga Wijesinghe, Meththika Vithanage

2025 · Vol 496, 139231 10.1016/j.jhazmat.2025.139231
OCT Micro-structural Analysis Environmental Forensics

Full record on Google Scholar. Journal quartiles per latest Scimago / JCR.

Research Experience

Current Research Position

Graduate Researcher

Center for Excellence in Informatics, Electronics & Transmission (CIET) · SLIIT

Faculty of Computing, Sri Lanka Institute of Information Technology

Dec 2024 — Present

I research Biomedical Engineering and Computer Vision, focusing on Optical Coherence Tomography (OCT) imaging. I build deep learning and machine learning models and image-processing pipelines in Python and C++ for medical diagnostics and micro-structural analysis.

Biomedical Engineering Computer Vision Deep Learning Machine Learning AI/ML OCT Technical Writing
Research in the Media & Community

Media & Community Coverage

Our OCT microplastics study drew national newspaper coverage; I've also presented undergraduate research at South Asia's largest industrial exhibition.

Get in Touch

I'm always happy to discuss computer vision, optical and biomedical imaging, and applied machine learning — whether for collaboration, research, or a conversation. My CV has the full details.