- Digital Image Processing & Analysis
- Moving Object Detection and Tracking
- Medical Image Analysis
- Digital Image processing and Analysis
- Computer Graphics
- Computer Network
- Operating Systems
- Computer Architecture
- Parallel Computing
- Jayarathne W. M. U., Perera W. A. S. C., Ketheesan T., “Visual Speech Recognition for Sinhala Language using CNN”, RISTCON, 50, 2021.
- Ketheesan T., Janani T., “Fetal Head Detection in 2D Ultrasound Images using Deep Learning”, International Conference on Advances in Computing and Technology (ICACT–2020), pp. 71-72, 2020.
- Ketheesan T., Pujinthan S., “Automatic Fetal Head Segmentation using Special Features in Ultrasound Images”, 2nd South Asia Conference on Multidisciplinary Research, pp. 24, 2019.
- Ketheesan T., Venuja S., “Melanoma lesion segmentation in dermoscopic image using multi-level features”, Proceedings of the Wayamba University International Conference, pp. 51, 2018.
- Ketheesan T, S.Rajeetha, “Automated Detection of Mitotic Event in Biological Cellular Data”, 6th Annual Science Research Sessions, South Eastern University, pp. 1, 2017. ISBN: 978-955-627-123-2.
- Hemahashiny, Ketheesan, “Lung Nodule Segmentation in Computed Tomography Image”, 6th International symposium, South Eastern University, pp. 42, 2016. ISBN: 978-955-627-097-6.
- Kirushanth S, and Ketheesan T, “Unexpected Human Activity Recignition on Smartphone using Accelerometer Data”, IPURSE – 2015, 19, pp. 269, 2015.
- Ketheesan T, M. Julius H, Ovidiu G, and Paul F. Whelan, “A Novel Framework for Cellular Tracking and Mitosis Detection in Dense Phase Contrast Microscopy Images”, IEEE Journal of Biomedical and Health Informatics, 17(3), pp. 642-653, 2013.
- Ketheesan T, M. Julius H, Ovidiu G, and Paul F. Whelan, “Cell Segmentation in Time-Lapse Phase Contrast Data”, IMVIP, pp. 109-110, 2011.
- Ketheesan T, M. Julius H, Ovidiu G, Paul Whelan, “A Novel Framework for Tracking In-vitro Cells in Time-lapse Phase Contrast Data”, British Machine Vision Conference, Aberystwyth, UK, pp. 69.1—69.11, 2010.
- Ketheesan T, M. Julius H, Ovidiu G, and Paul F. Whelan, "Cellular Tracking in Time-lapse Phase Contrast Images", IMVIP, pp. 77—82, Dublin, Ireland, 2009.
- Ketheesan T, M. Julius H, Ovidiu G and Paul F. Whelan, “Automatic Cellular Segmentation in Time-lapse Phase Contrast Images”, Bioengineering 09, Oxford, 2009.