Prof. A. Ramanan
- Professor in Computer Science
- B.Sc. [Hons] (Jaffna), Ph.D. (Southampton)
- a.ramanan@univ.jfn.ac.lk
- +94212218194
Research Interests:
Image Processing,
Computer Vision,
Machine Learning,
and Deep Learning .
Academic Profile
Activities
Admin Roles
Awards
Publications
Teaching
Academic Profile
Professor Amirthalingam Ramanan
- Ph.D. in Computer Science (Southampton, UK) [2010]
- MPhil to PhD Transfer in Computer Science (Sheffield, UK) [2007]
- B.Sc. Special in Computer Science, First Class (Jaffna, Sri Lanka) [2002]
Postgraduate Supervision
PhD
- Mrs. K. Janani, “Online Single Object Tracking using Deep Learning”, Reading for PhD in Computer Science, University of Moratuwa, May. 2022 – May. 2025. [Supervisors: Dr. (Mrs.) K.S.D. Fernando (UoM), Dr. T. Kokul (UoJ), Dr. A. Ramanan (UoJ)]
- Dr. (Mrs.) M. Shajini, “A Semi-Supervised Deep Learning Approach Based on Attentive Visual Features for Fashion Clothing Classification”, PhD in Computer Science, University of Jaffna, Degree Awarded in February 2022. [Supervisor: Dr. A. Ramanan]
- Dr. (Ms.) R. Nirthika, “Deep Learning-Based Fine-Grained Diabetic Retinopathy Image Grading”, PhD in Computer Science, University of Jaffna, Degree Awarded in March 2022. [Supervisor: Dr. M. Siyamalan, Co-Supervisor: Dr. A. Ramanan]
- Dr. T. Kokul, “Appearance Based Online Visual Object Tracking”, PhD in Computer Science, Queensland University of Technology, Australia, Degree Awarded in June 2019. [Supervisors: Prof. Clinton Fookes (QUT), Prof. Sridha Sridharan (QUT), Dr. A. Ramanan (UoJ) and Dr. (Ms.) U.A.J. Pinidiyaarachchi (UoP)].
MPhil
- Mrs. K. Tharmini, “Sri Lankan Paddy Leaf Disease Detection Using Deep Learning Techniques”, Reading for MPhil. in Computer Science, University of Moratuwa, October 2024 – October 2026. [Supervisors: Dr. (Mrs.) K.S.D. Fernando (UoM), Prof.A. Ramanan, (UoJ), Dr. T. Kokul (UoJ)]
- Mr. V. Vinoharan, “Training Images vs Discriminative Features: On the construction of codebook to recognise visual objects”, MPhil in Computer Science, University of Jaffna, Degree Awarded in December 2018. [Supervisor: Dr. A. Ramanan]
- Mr. S. Sotheeswaran, “A Coarse-to-Fine Strategy for Vehicle Logo Recognition”, MPhil in Computer Science, University of Jaffna, Degree Awarded in January 2016. [Supervisor: Dr. A. Ramanan]
- Mr. M. Ramanan, “Printed Tamil Character Recognition Using Hybrid Decision Tree Technique”, MPhil in Computer Science, University of Jaffna, Degree Awarded in December 2015. [Joint-Supervisors: Dr. A. Ramanan and Dr. E.Y.A. Charles]
MSc
- Mr. V. Mathyananthan, “An Approach to Weed Detection in Paddy Field from Digital Images”, MSc in Computer Science, PGIS, University of Peradeniya, Degree Awarded in 2018. [Supervisor: Dr. A. Ramanan and Co-Supervisor: Prof. A.A.I. Perera]
- Mr. V. Thileepan, “A Classification Technique for Face Recognition based on Locally Merged Codebook”, MSc in Computer Science, PGIS, University of Peradeniya, Degree Awarded in 2014. [Supervisor: Dr. A. Ramanan and Co-Supervisor: Prof. A.A.I. Perera]
- Mr. P. Kobikrishna, “A Morphological and Gradient based Approach to Classify Plant Leaves using Support Vector Machines”, MSc in Computer Science, University of Peradeniya, Degree Awarded in 2014. [Supervisor: Dr. A. Ramanan and Co-Supervisor: Prof. A.A.I. Perera]
- Mr. K. Venugoban, “Image Classification of Paddy Field Insect Pests using Gradient-based Features”, MSc in Computer Science, PGIS, University of Peradeniya, Degree Awarded in 2013. [Supervisor: Dr. A. Ramanan and Co-Supervisor: Prof. A.A.I. Perera]
- Mr. V. Vinoharan, “A Wheel-based Side-view Car Detection using Snake Algorithm”, MSc in Computer Science, PGIS, University of Peradeniya, Degree Awarded in 2013. [Supervisor: Dr. A. Ramanan and Co-Supervisor: Prof. S.R. Kodituwakku]
Undergraduate Supervision for other HEIs
- Ms. T. Shashika Srimali (Reg. No. EU/IS/2011/PHY/112), Project title: “Single Image Haze Removal with Improved Visibility”, Eastern University, Sri Lanka, 2018.
- Ms. S. Disne (Reg. No. EU/IS/2011/PHY/129), Project title: “An Efficient Approach to Speech Emotion Classification Using SVMs”, Eastern University, Sri Lanka, 2018.
- Ms. S. Sriashalya (Reg. No. EU/IS/07/PHY/93), Project title: “Human Action Detection Using Space Time Interest Points”, Eastern University, Sri Lanka, (Academic Year: 2010/2011), 2015.
- Ms. N. Karthika (Index No. BS875), Project title: “An Incremental Codebook Construction Technique for Object Recognition”, Eastern University, Sri Lanka, (Academic Year: 2009/2010), 2013.
- Ms. L. Namasivayam (Reg. No. TC/IS/COM/2007/19), Project title: “An Intrusion Detection System for Computer Network”, Trinco Campus of the Eastern University, Sri Lanka, (Academic Year: 2007/2008), 2013.
- Ms. S. A. Piyumie Tharanga (Reg. No. TC/IS/COM/2007/57), Project title: “A Software Tool to Analyse PCR Gel Images”, Trinco Campus of the Eastern University, Sri Lanka, (Academic Year: 2007/2008), 2013.
- Ms. T. Daveenthiny (Reg. No. TC/IS/COM/2007/58), Project title: “Multiclass Classification of Herbal Leaves”,Trinco Campus of the Eastern University, Sri Lanka, (Academic Year: 2007/2008), 2013.
Resource person
- Seminar on “Research Methodology for Computer Science” for the final year physical science students of the Vavuniya Campus, 23 August 2018.
- Induction Programme for the Probationary Lecturers which was conducted by the Staff Development Centre of the University of Jaffna, 2011-2017.
- Seminar on “Information and Communication Technology” for the G.C.E. (A/L) ICT Students which was conducted by the Jaffna Zonal Education on 07/07/2016 at Kokuvil Hindu College, Kokuvil.
- Seminar on “Computer Systems, Number Systems and Logic Circuits” for the G.C.E. (O/L) Students of Chundikuli Girls’ College which was conducted by the OGA of CGC, Jaffna, 3 & 7 October 2016.
- Training of Trainers Programme: “Introduction to ICT Supported Teaching Tools” which was conducted to the Teachers of the St. John’s College, Jaffna, 1-2 July 2016.
- Seminar on “Operating Systems – Memory Management” for the G.C.E. (A/L) ICT Students which was conducted by the Jaffna Zonal Education on 15/07/2015 at Zonal Education Office Jaffna, Nallur.
- Seminar on “Operating Systems” for the ICT Teachers which was conducted by the Valikamam Zonal Education on 08/12/2014 in Jaffna Town.
- Seminar on “Operating Systems – Memory Management” for the G.C.E. (A/L) ICT Teachers which was conducted by the Thenmaradchi Zonal Education on 24/05/2014 & 31/05/2014 at J/Chavakachcheri Ladies College.
- Improvement of the quality of School Textbooks – 2012 (Information Communication Technology – Tamil) conducted by the Educational Publication Department, Sri Lanka, 22- 25 March, 2011
- IT course for the postgraduates of Diploma in Public Administration, May 2005.
- IT course for the final year students of the University of Jaffna which was conducted under the Improving Relevance and Quality of Undergraduate
- Education (IRQUE) Project funded by the World Bank, March 2005.
- ICT course (14 days for ten batches) for School Teachers conducted by the Department of Computer Science and Computer Unit, University of Jaffna which was organized by the Ministry of Human Resource Development Education & Cultural Affairs under the World Bank funded Project. December 2003 – July 2004.
- ICT course (14 days) for School Teachers conducted by the Department of Computer Science and Computer Unit, University of Jaffna which was organized by the Ministry of Human Resource Development Education & Cultural Affairs under the World Bank funded Project. December 2003.
Institutional Development to UoJ and other HEIs
- Reviewer of the Curriculum (Levels 1, 2, 3 & 4) of Bachelor of Science Honours in Computer Science Degree Programme, Department of Computer Science, Trincomalee Campus, Eastern University, Sri Lanka, September 2023.
- Reviewer of the Curriculum (Levels 1, 2, 3 & 4) of Bachelor of Science in Information Technology Degree Programme, Department of Physical Science, Faculty of Applied Science, Vavuniya Campus of the University of Jaffna, Sri Lanka, 2018.
- Contributor in introducing new courses to the Bachelor of Science in Computer Science Degree Programme: CSC310S3: Image Processing and Computer Vision, 2019; CSC211S2: Emerging Trends in Computer Science, 2018; CSC319SC8: Industrial Training, 2015.
- Contributor in introducing a new course, CSC411SC0: Research Seminar, to the Bachelor of Science Honours in Computer Science Degree Programme, 2016.
- Reviewer of the Curriculum (Levels 1, 2, 3 & 4) of Bachelor of Science in Computer Science Degree Programme, Department of Computer Science, Trincomalee Campus, Eastern University, Sri Lanka, 2015.
- Reviewer of the Curriculum (Levels 1, 2, 3 & 4) of Bachelor of Science in Information Technology Degree Programme, Department of Computer Science, Trincomalee Campus, Eastern University, Sri Lanka, 2015.
- Developed Syllabi for CSC 308, CSC 401, CSC 405, CSC 411 and CSC 412 for Bachelor of Science Degree in Computer Science, Eastern University, Sri Lanka, 2016.
- Developed Syllabus for AITC 22022 for Bachelor of Arts with ICT as a subject, Faculty of Arts, University of Jaffna, Academic Year 2015/2016.
- Developed Syllabi for CSC401XS3, CSC407XS2, APS406XM3 and APS407XM8 for Bachelor of Science Honours in Applied Science in Computing, Academic Year 2014/2015
- Developed Syllabi for CSC111SC3, CSC112SC3, CSC236SC2, CSC314SC2, CSC318SC3, CSC411SC0 and CSC417SC3 for Bachelor of Science Degree in Computer Science, Department of Computer Science, University of Jaffna, Academic Year 2014/2015.
- Developed Syllabi of CSC111GC3, CSC112GC3, CSC234GC2, CSC315GE2, CSC313MC3, CSC411MC0, CSC417MC3 and CSC422ME2 for Bachelor of Science Degree Specialisation in Computer Science, Department of Computer Science, University of Jaffna, Academic Year 2014/2015.
- Contributor in introducing the Extended Degree Programme, Bachelor of Science Honours in Applied Science in Computing, 2014.
- Constructed the research e-repository for the University of Jaffna, 2014-2015. URL: http://repo.lib.jfn.ac.lk/ujrr
- Organiser of the “Jaffna IT Conference” together with SLASSCOM which was held on 6 December 2014 at the University of Jaffna.
- Leader or assistant in writing the comprehensive proposal for the Higher Education for the Twenty-First Century (HETC) Project, Quality and Innovation Grant (QIG), Round 2, Window 2 of the Physical Science Study Programme under the tasks: Designing questionnaires, Data collection from current students; SWOT analysis and Identifying activities, GAP analysis, and First draft of the proposal, 2013.
- Contributed in writing the comprehensive proposal of the Faculty of Science for the Higher Education for the Twenty-First Century (HETC) Project, Quality and Innovation Grant – (QIG), Windows 2 for Undergraduate Programmes Round 2 under the World Bank funded project, 2012.
- Founder member of the Sri Lanka Student Workshop on Computer Science (SL-SWCS), 2011.
- Organiser of the Post Conference Workshop on ICT for Sustainability (ICIAfS 2010) at the Faculty of Science, University of Jaffna, 21-22 December 2011.
- Assisted in writing the comprehensive proposal of the Faculty of Science for the Improving Relevance and Quality of Undergraduate Education (IRQUE) Project funded by the World Bank, 2003.
Activities
Scholarly Work
- Joint Editor for the ‘NewsFoS@UoJ’ newsletter of the Faculty of Science, University of Jaffna, 2020 – 2022.
- Prepared a checklist for the Standing Committee on Computing – UGC to evaluate an IT curriculum as per the IEEE/ACM guidelines, September 2020. [Collaborator: Mr. S. Thirukumaran (Senior Lecturer, Vavuniya Campus, University of Jaffna)]
- Member of the Editorial Board, Information Communication Technology (Tamil), Grade 9, Educational Publication Department, Sri Lanka, 2019/T/9/243/105000, 109 pages, 2018.
- Member of the Editorial Board, Information Communication Technology (Tamil), Grade 11, Educational Publication Department, Sri Lanka, 2016/T/11/275/35000, 233 pages, 2016.
- Member of the Editorial Board, Information Communication Technology (Tamil), Grade 10, Educational Publication Department, Sri Lanka, 2015/T/10/233/22000, 337 pages, 2015.
- Editor of the Proceedings of Full Papers, Jaffna University International Research Conference 2012 (JUICE-2012), 316 pages, published in March 2014.
- Editor of the Proceedings of Abstracts, Jaffna University International Research Conference 2012 (JUICE-2012), 274 pages, published in July 2012.
- Contributor of the Resource Book in Information Technology: A Course Manual, for the short term training in IT for school teachers under the World Bank funded Teacher Education & Teacher Development (TETD) Project, 2003. [Chapter 1: 14 pages]
Reviewer (Indexed Journals)
- Pattern Recognition, Elsevier, 2023.
- Engineering Applications of Artificial Intelligence, Elsevier, 2023.
- IEEE Transactions on Computational Social Systems, 2023.
- IEEE Access, 2022 & 2023.
- IEEE Transactions on Neural Networks and Learning Systems, 2021 & 2022.
- Computers and Electronics in Agriculture, Elsevier, 2021
- Complex & Intelligent Systems (CAIS), Springer, 2021.
- Journal of the National Science Foundation of Sri Lanka (JNSF), 2016, 2017, 2020 & 2021.
- Journal of Ambient Intelligence and Humanized Computing, Springer, 2019.
- Journal of Engineering Science and Technology (JESTECH), Elsevier, 2019.
- Signal, Image and Video Processing, Springer, 2017 & 2019.
- Sustainable Cities and Society, Elsevier, 2019.
- Pattern Recognition Letters, Elsevier, 2017.
- IEEE Transactions on Image Processing, 2016.
General Chair at National / International Scientific Events
- Google exploreCSR Summer School on Machine Intelligence (GeSSoMI – 2024), Department of Computer Science, University of Jaffna, 14-16 June 2024.
- 2023 IEEE Summer School on Computational Intelligence: Theory and Applications, Department of Computer Science, University of Jaffna, 12-14 July 2023.
- Sri Lanka Student Workshop on Computer Science (SL-SWCS), Jaffna, Sri Lanka, 7 December 2019.
- 9th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Colombo, Sri Lanka, 21-22 December 2018.
Track Chair / Session Chair / TPC Member at International Conferences
- Session Chair (Computer, Intelligent Systems, and Data Engineering) for the 17th IEEE International Conference on Industrial and Information Systems (ICIIS), University of Peradeniya, 25 August 2023.
- Track Chair for Computer Vision and Image Processing, 3rd IEEE International Conference on Advanced Research in Computing (ICARC 2023), Sabaragamuwa University of Sri Lanka, 23-24 February 2023.
- Scientific Committee Member, In International Conference on Machine Learning and Data Engineering (ICMLDE), Elsevier, Dehradun, India, 7 & 8 September 2022.
- Session Chair (IoT for sustainable societies) in the 9th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Galadari Hotel, Sri Lanka, 21 & 22 December 2018.
- Session Chair (ICT for Linguistics) & TPC member, In the Eighth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’16), Galle, Sri Lanka, December 2016.
- Session Chair (Computer Vision and Image Processing), In the International Conference on Advances in ICT for Emerging Regions (ICTer-2016), Negombo, Sri Lanka, 1 September 2016.
- Session Chair (ICT) & TPC member, In the Seventh IEEE International Conference on Information and Automation for Sustainability (ICIAfS’14), Colombo, Sri Lanka, December 2014.
- TPC member, In the 6th International Conference on Information Technology and Electrical Engineering (ICITEE), Yogyakarta, Indonesia, 2014.
- TPC member, In the Fifth IEEE International Conference on Information Technology and Electrical Engineering (ICITEE), Indonesia, 2013.
- Session Chair & TPC member, In the Sixth IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Beijing, China, 2012.
- TPC member, In the International Conference on Advances in ICT for Emerging Regions (ICTer), 2011.
Visiting Researcher
- The Personal Information Navigator adapting through Viewing (PinView) Project, a European Community’s Seventh Framework Programme at the University of Southampton, UK, June – August, 2010.
Presentations
- “Should I Learn Traditional Computer Vision in the Deep Learning Era?”, 3rd IEEE International Conference on Advanced Research in Computing (ICARC 2023), Sabaragamuwa University of Sri Lanka, 24 February 2023.
- “Creating Compact and Discriminative Visual Vocabularies using Visual Bits”, IEEE International Conference on Digital Image Computing: Techniques and Applications (DICTA), Adelaide, Australia, 23-25 November 2015.
- “An Efficient and Speeded-Up Tree for Multi-class Classification”, Sixth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’12), Beijing, China, 27 September 2012.
- “On the Construction of a Discriminant Codebook for Visual Object Recognition”, 20th British Machine Vision Conference (BMVC’09) Workshop, Queen Mary, University of London, September 2009. [Poster Presentation]
- “Sequential Hierarchical Pattern Clustering”, Fourth IAPR International Conference on Pattern Recognition in Bioinformatics (PRIB), Sheffield, UK, 7 September 2009.
- “Multi-class Pattern Classification: Applications in Vision and Protein fold Recognition”, 11th International Workshop on the Analysis of Patterns, The University Residential Center, Bertinoro (Forli-Cesena), Italy, October 2007. [Poster Presentation]
- “Unbalanced Decision Trees for Multi-class Classification” [Poster Presentation]:
- – 2007 Symposium on Data Modelling for New Researchers, University of Sheffield, March 27, 2007.
- – 5th International Summer School on Pattern Recognition, University of Plymouth, July 22-27, 2007.
Attended Conferences / Workshops
- Ninth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’18), Colombo, Sri Lanka, 21-22 December 2018.
- Eighth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’16), Galle, Sri Lanka, 16-18 December 2016.
- IEEE International Conference on Advances in ICT for Emerging Regions (ICTer-2016), Negombo, Sri Lanka, 1-2 September 2016.
- IEEE International Conference on Digital Image Computing: Techniques and Applications (DICTA), Adelaide Town Hall, Australia, 23-25 November 2015.
- Fifth International Conference on Digital Image Processing and Pattern Recognition (DPPR), Chennai, India, 25-26 July 2015.
- Attended a workshop for ISOC chapter leaders on 7-8, June 2015 held in Colombo.
- Attended a workshop on “Procurement Management for PPC and TEC members organized by HETC office on 25th of November 2013 at Hotel Mount Lavinia.
- Sixth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’12), 27- 29 September, 2012, Beijing, China.
- Sixth IEEE International Conference on Industrial and Information Systems (ICIIS), 16 – 19 August, 2011, Kandy, Sri Lanka.
- 2010 ICIAfS Post Conference Workshop on ICT for Sustainability, 21 & 22 December, 2010, University of Jaffna, Sri Lanka.
- First International Conference on Advances in ICT for Emerging Regions (ICTer-2010), September 29 – October 01, 2010, Colombo, Sri Lanka.
- 11th European Conference on Computer Vision (ECCV 2010), September 5-10, 2010, Crete, Greece.
- PASCAL Visual Object Classes (VOC) Challenge 2010 Workshop, September 11, 2010, Crete, Greece.
- 23rd Annual Conference on Neural Information Processing Systems (NIPS), December 7-10, 2009, Vancouver, B.C., Canada.
- NIPS Post Conference Workshops, December 11-12, 2009, Whistler, B.C., Canada.
- 20th British Machine Vision Conference (BMVC) Workshop, September 11, 2009, London, UK.
- 4th IAPR International Conference on Pattern Recognition in Bioinformatics (PRIB), September 7-9, 2009, Sheffield, UK.
- Participated in a workshop on e-Learning 2.0: Embracing Novel ways of Learning using Web 2.0 that was organized by UCSC, Colombo. 25-26, October 2008.
- 10th European Conference on Computer Vision (ECCV) Workshops, October 17-18, 2008, Marseille, France.
- 11th International Workshop on the Analysis of Patterns, October 22 – 26, 2007, Forlì-Cesena, Italy.
- 5th International Summer School on Pattern Recognition (ISSPR), July 22-27, 2007, Plymouth, UK.
- 2007 MathWorks World Tour Event, May 22, 2007, Leeds, UK.
- 2007 Symposium on Data Modelling for New Researchers, March 27, 2007, Sheffield, UK.
Creative Work (Websites / Book covers / Posters / Newsletters)
- Pioneer Member in creating ‘IEEENews@UoJ’ (2021) and ‘NewsFoS@UoJ’ (2020) newsletters of the University of Jaffna.
- Designed the website for the Sri Lanka Student Workshop on Computer Science 2015 (SL-SWCS’15) held on 07 November 2015 which was created by Mr. N. Thileepan (CAA/CompSc).
- Restructured and Designed the Undergraduate Student Handbook 2012/2013, Faculty of Science, University of Jaffna, April 2014. Revised the 2013/2014 & 2014/2015 – Undergraduate Student Handbooks, Faculty of Science, University of Jaffna, 2015 & 2016.
- Leaflet (with Mr. Y. Achchuthan) for the Career Fairs 2014 & 2015 which was held at the Faculty of Science, University of Jaffna, August 2014 & September 2015.
- Designed the cover page of the Proceedings of Full Papers, Jaffna University International Research Conference 2012 (JUICE-2012), published in March 2014.
- Designed and created the website for the First Jaffna University International Research Conference 2012 (JUICE-2012) held on 20-21 July 2012.
- Designed and created the first official website of “Vingnanam” – Journal of Science, in 2012.
- Restructured and redesigned (with Mr. K. Sarveswaran) the official website of the Faculty of Science, University of Jaffna in 2012.
- Restructured and redesigned (with Dr. S. Mahesan) the official website of the University of Jaffna in 2012.
- Designed and created the first official website for the Sri Lanka Student Workshop on Computer Science 2011 (SL-SWCS’11) held in 08 December 2011.
- Designed and created the website for the ICIAfS 2010 Post Conference Workshop on ICT for Sustainability, held in 21-22 December 2010.
- Designed and created the first official website (with Dr. S. Mahesan) for the Department of Computer Science, University of Jaffna in 2003 and redesigned the website using Joomla (with Mr. K. Sarveswaran) in 2011.
Admin Roles
Advisor
- IEEE Computational Intelligence Society (CIS) Student Branch Chapter, University of Jaffna, January 2023 to date
Chairman
- Editorial Committee for the Faculty Newsletter and Student Handbook, 2020 to August 2023.
- Technical Evaluation Committee for procurement of Goods under AHEAD Operations UBL Jaffna and ELTA-ELSE DP at the Faculty of Science, University of Jaffna, 2019 to date.
- Technical Evaluation Committee for the project of Construction of Building and Other related Structures for the Department of Computer Science, University of Jaffna at Thirunelvely, 2018. [This appointment was made by the Ministry of Higher Education and Cultural Affairs, Higher Education Division]
- Technical Evaluation Committee for the HETC Project Implemented at the University for the Study Programmes: Agriculture, BBA, BioScience, Management Studies, and Physical Science, 2013–2015.
- Technical Evaluation Committee for the purchase of IT Equipment at the Faculty of Science, 2015–2016.
Coordinator
- Activity Coordinator for Improving Career Prospects in Physical Science Study Programme – HETC QIG Project, 2013–2016.
- e-Learning Coordinator for the Staff Development Centre (SDC), University of Jaffna, 2013–2015.
Counsellor
- Student Counsellor – University of Jaffna, March 2024 to March 2025
- Academic Counsellor – Faculty of Science, September 2020 to August 2023.
- IEEE Student Branch – University of Jaffna, September 2020 to September 2021
Head
- Department of Computer Science, June 2017 to August 2020.
Member
- IEEE Sri Lanka Section Elections Committee 2025.
- Computer Society of Sri Lanka (since 2023)
- IEEE Senior Member (since 2021)
- IEEE Computational Intelligence Society (since 2020)
- IEEE Computer Society (since 2020)
- Standing Committee on Computing, University Grants Commission (UGC), June 2017 to September 2020.
- Senate of the University of Jaffna, June 2017 to August 2020.
- Representative of the Faculty of Science to the Township Project at Jaffna Main Campus, 2016 to 2017.
- Science Faculty Building Committee (SFBC), University of Jaffna, 2015 to 2017.
- Senate Sub-Committee on IT & Web, 2014 to 2017.
- Science Faculty Research Committee (SFRC), University of Jaffna, 2014 to 2017.
- Technical Evaluation Committee for the purchase of IT Equipment at the University, 2014–2015.
- Senate Sub-Committee on Web Designing, 2012.
- Sub-Committee of Internal Quality Assurance & Accreditation (QAA) Cell, 2011–2012.
- Senate Sub-Committee on IT, 2011.
- Science Faculty Board, University of Jaffna, 2005 to date.
Patron
- Computer Society (CompSoc), University of Jaffna, June 2017 to August 2020
Treasurer
- Senior Treasurer of the IEEE Student Branch – University of Jaffna, September 2021 to December 2022
- Senior Treasurer of the Computer Society (CompSoc), University of Jaffna, September 2020 to December 2022
- Jaffna University Science Teachers’ Association (JUSTA), 2012.
Awards
Publications
2025
- Janani, K., Kokul, T., Ramanan, A. and Fernando, S.: “Selective Information Flow for Transformer Tracking”, Expert Systems with Applications, Elsevier, vol. 259, p. 125381, 2025, ISSN: 0957-4174, DOI: https://doi.org/10.1016/j.eswa.2024.125381.
2024
- Mayuravaani, M., Ramanan, A., Perera, M., Senanayake, D. and Vidanaarachchi, R.: “Insights into Artificial Intelligence Bias: Implications for Agriculture”, Digital Society (DISO), vol. 3, 38, Springer, 2024.https://doi.org/10.1007/s44206-024-00142-x
- Janani, K., Kokul, T., Ramanan, A. and Fernando, S.: “Transformer Tracking Using Spatiotemporal Features”, IEEE International Conference on Artificial Intelligence in Engineering and Technology (IICAIET 2024), Malaysia, August 2024 [Accepted]
2023
- Janani, K., Kokul, T., Ramanan, A. and Fernando, S.: “Transformers in Single Object Tracking: An Experimental Survey”, IEEE Access, vol. 11, pp. 80297-80326, July 2023. DOI: 10.1109/ACCESS.2023.3298440
- Shajini, M. and Ramanan, A.: “A Single-stage Fashion Clothing Detection Using Multilevel Visual Attention”, The Visual Computer, vol. 39, pp. 6609-6623, Springer, December 2023. https://doi.org/10.1007/s00371-022-02751-4
2022
- Ranasinghe, N., Ramanan, A., Fernando, S., Hameed, P.N., Herath, D., Malepathirana, T., Suganthan, P., Niranjan, M., and Halgamuge, S.: “Interpretability and Accessibility of Machine Learning in Selected Food Processing, Agriculture and Health Applications”, Journal of the National Science Foundation of Sri Lanka, 50, pp.263–276. DOI: http://doi.org/10.4038/jnsfsr.v50i0.11249
- Nirthika, R., Manivannan, S. and Ramanan, A.: “Siamese Network based Fine-Grained Classification for Diabetic Retinopathy Grading”, Biomedical Signal Processing and Control, vol. 78, Elsevier, September 2022. doi.org/10.1016/j.bspc.2022.103874.
- Nirthika, R., Manivannan, S., Ramanan, A. and Wang, R.: “Pooling in convolutional neural networks for medical image analysis: A survey and an empirical study”, Neural Computing and Applications, Springer, pp.1-27, 2022. doi: 10.1007/s00521-022-06953-8.
- Anparasy, S., Priyadarshani, A.H.R., Kokul, T., and Ramanan, A.: “Underwater Image Enhancement Using Dual Convolutional Neural Network with Skip Connections”, In International Conference on Advanced Research in Computing (ICARC’22), pp. 224-229, February 2022. doi: 10.1109/ICARC54489.2022.9753886.
2021
- Shajini, M. and Ramanan, A.: “A Multi-staged Feature-Attentive Network for Fashion Clothing Classification and Attribute Prediction”, Electronic Letters on Computer Vision and Image Analysis (ELCVIA), vol. 20, issue 2, pp. 83-100, CVC Press, Spain, December 2021. https://doi.org/10.5565/rev/elcvia.1409.
- Vinoharan, V. and Ramanan, A.: “An Efficient Bag-of-Features Representation for Object Classification”, Electronic Letters on Computer Vision and Image Analysis (ELCVIA), vol. 20, issue 2, pp. 51-68, CVC Press, Spain, October 2021. https://doi.org/10.5565/rev/elcvia.1403
- Nirthika, R., Manivannan, S. and Ramanan, A.: “An Experimental Study on Convolutional Neural Network-Based Pooling Techniques for the Classification of HEp-2 Cell Images”, In proceedings of the 10th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Negombo, Sri Lanka, pp. 281-286, August 2021. doi: 10.1109/ICIAfS52090.2021.9606157
- Nirthika, R., Manivannan, S. and Ramanan, A.: “Look at Both Eyes: Deep Learning Based Feature Fusion Strategies for the Classification of Diabetic Retinopathy Lesions”, In proceedings of the 10th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Negombo, Sri Lanka, pp. 263-268, August 2021. doi: 10.1109/ICIAfS52090.2021.9605991.
- Shajini, M. and Ramanan, A.: “A Knowledge-sharing Semi-supervised Approach for Fashion Clothes Classification and Attribute Prediction”, The Visual Computer, Springer, doi 10.1007/s00371-021-02178-3, June 2021.
2020
- Nirthika, R., Manivannan, S., and Ramanan, A.: “Loss functions for optimizing Kappa as the evaluation measure for classifying diabetic retinopathy and prostate cancer images”, In IEEE International Conference on Industrial and Information Systems (ICIIS), IIT Ropar, India, pp. 144-149, doi: 10.1109/ICIIS51140.2020.9342711, 26-28 November 2020.
- Shajini, M. and Ramanan, A.: “An Improved Landmark-driven and Spatial-channel Attentive Convolutional Neural Network for Fashion Clothes Classification”, in The Visual Computer, Springer, pp. 1432–2315, doi 10.1007/s00371-020-01885-7, 2020.
2019
- Perera, A.S.A. and Ramanan, A.: “An Attention Based Convolutional Neural Network for Landmark Recognition in Asian Region”, In Postgraduate Institute of Science Research Congress 2019, p.33, October 2019.
- Tharmini, T. and Ramanan, A.: “Action Recognition in Videos Using Convolutional and Spatial-Temporal Interest Point Features”, In Postgraduate Institute of Science Research Congress 2019, p.40, October 2019.
- Gunasekara, T.M.V.D. and Ramanan, A.: “A Lossy Grayscale Image Compression Based on Delaunay Triangulation”, In Postgraduate Institute of Science Research Congress 2019, p.42, October 2019.
- Kokul, T., Fookes, C., Sridharan, S., Ramanan, A., Pinidiyaarachchi, U.A.J.: “Target-Specific Siamese Attention Network for Real-time Object Tracking”, In IEEE Transactions on Information Forensics & Security, pp.1276 – 1289, doi: 10.1109/TIFS.2019.2935871, 2019.
2018
- Vinoharan, V. and Ramanan, A.: “One-pass Keypoint Selection to Construct Codebook for Patch-based Object Classification”, In IEEE International Conference on Information and Automation for Sustainability (ICIAfS), 21-22 December, 2018. [Accepted]
- Kogilawanee, B. and Ramanan, A.: “An Augmented Approach for Recognising Sri Lankan Currency Notes”, In IEEE International Conference on Information and Automation for Sustainability (ICIAfS), 21-22 December, 2018. [Accepted]
- Thushanthan, A. and Ramanan, A.: “Learning from Small Dataset to Build a Classification Model for Men’s Clothing”, International Research Symposium on Pure and Applied Sciences (IRSPAS), University of Kelaniya, 26 October 2018. [Accepted]
- Kokul, T., Fookes, C., Sridharan, S., Ramanan, A., Pinidiyaarachchi, U.A.J.: “Deep Match Tracker: Classifying when dissimilar, similarity matching when not”, IEEE International Conference on Image Processing (ICIP), Athens, Greece, 7-10 October 2018. [Accepted]
- Vinoharan, V. and Ramanan, A.: “Keypoints and Codewords Selection for Efficient Bag-of-Features Representation”, Advances in Intelligent Systems and Computing, vol 886, pp. 378-390, Springer, Cham, December 2018.
- Sotheeswaran, S. and Ramanan, A.: “A Coarse-to-Fine Strategy for Vehicle Logo Recognition from Frontal-View Car Images”, Pattern Recognition and Image Analysis (PRIA), Vol. 28, No. 1, pp. 142–154, Pleiades, 2018.
2017
- Shajini, M. and Ramanan, A.: “A Feature-Driven Hierarchical Classification Approach to Emotions in Speeches Using SVMs”, In 12th IEEE International Conference on Industrial and Information Systems (ICIIS), pp. 1-5, 15-16 December, 2017.
- Janani, T. and Ramanan, A.: “Feature Fusion for Efficient Object Classification Using Deep and Shallow Learning”, In International Journal of Machine Learning and Computing (IJMLC), vol. 7, no. 5, pp. 123-127, 2017.
- Kokul, T., Fookes, C., Sridharan, S., Ramanan, A. and Pinidiyaarachchi, U.A.J.: “Gate Connected Convolutional Neural Network for Object Tracking”, In IEEE International Conference on Image Processing (ICIP), pp. 2602-2606, Beijing, China, 17-20 September, 2017.
2016
- Sriashalya, S. and Ramanan, A.: “Human Action Detection Using Space Time Interest Points”, Engineering Research Unit Symposium, University of Moratuwa, p. 134, 5-6 April 2016. [Abstract]
- Gajapathy, K., Ramanan, A., Goodacre, S.L., Ramasamy, R. and Surendran, S.N.: “Bioinformatics for discriminating sibling species in insect vectors”, In Gene-Environment Interaction Analysis: Methods in Bioinformatics and Computational Biology, Editors: E. Anno et al., CRC Press, 250 pages, February 2016. [Book Chapter]
- Vinoharan, V. and Ramanan, A.: “Are Large Scale Training Images or Discriminative Features Important for Codebook Construction?”, In Proceedings of the Fifth International Conference on Pattern Recognition Applications and Methods (ICPRAM 2016), pp. 193-198, Rome, Italy, 24-26 February 2016.
2015
- Kokul, T., Ramanan, A. and Pinidiyaarachchi, U.A.J.: “Online Multi-Person Tracking-by-Detection Method Using ACF and Particle Filter”, Seventh IEEE International Conference on Intelligent Computing and Information Systems, pp. 529-536, Cairo, Egypt, 12-14 December 2015.
- Ramanan, M., Ramanan, A. and Charles, E.Y.A.: “A Preprocessing Method for Printed Tamil Documents: Skew Correction and Textual Classification”, Seventh IEEE International Conference on Intelligent Computing and Information Systems, pp. 495-500, Cairo, Egypt, 12-14 December 2015.
- Kirishanthy, T. and Ramanan, A.: “Creating Compact and Discriminative Visual Vocabularies using Visual Bits”, In Proceedings of the IEEE International Conference on Digital Image Computing: Techniques and Applications (DICTA), pp. 258-263, Adelaide, Australia, 23-25 November 2015.
- Kobikrishna, P. and Ramanan, A.: “A Morphological and Gradient based Approach to Classify Plant Leaves Using Support Vector Machines”, In Proceedings of the Peradeniya University International Research Sessions (iPURSE), p.280, Peradeniya, Sri Lanka, 5-6 November 2015. [Abstract]
- Sotheeswaran, S. and Ramanan, A.: “Front-view Car Detection using Vocabulary Voting and Mean-Shift Search”, In proceedings of the IEEE International Conference on Advances in ICT for Emerging Regions (ICTer), pp. 16-20, BMICH, Sri Lanka, 24-25 August 2015.
- Ramanan, M., Ramanan, A. and Charles, E.Y.A.: “A Hybrid Decision Tree for Printed Tamil Character Recognition using SVMs”, In proceedings of the IEEE International Conference on Advances in ICT for Emerging Regions (ICTer), pp. 176-181, Sri Lanka, August 2015.
- Thulasika, V. and Ramanan, A.: “Single Image Fog Removal based on Fusion Strategy”, In Proceedings of the Fifth International Conference on Digital Image Processing and Pattern Recognition (DPPR), pp. 115-123, Chennai, India, 25-26 July 2015.
2014
- Kesavan, Y. and Ramanan, A.: “One-Pass Clustering Superpixels”, In Proceedings of the Seventh IEEE International Conference on Information and Automation for Sustainability (ICIAfS’14), Colombo, Sri Lanka, 22-24 December, 2014.
- Sotheeswaran, S. and Ramanan, A.: “A Classifier-Free Codebook-based Image Classification of Vehicle Logos”, In Proceedings of the 9th IEEE International Conference on Industrial and Information Systems (ICIIS’14), Gwalior, India, 15-17 December 2014.
- Ramanan, M., Ramanan, A. and Charles, E.Y.A.: “A Performance Comparison and Post-processing Error Correction Technique to OCRs for Printed Tamil Texts”, In Proceedings of the 9th IEEE International Conference on Industrial and Information Systems (ICIIS’14), Gwalior, India, 15-17 December 2014.
- Venugoban, K. and Ramanan, A.: “Image Classification of Paddy Field Insect Pests using Gradient-based Features”, International Journal of Machine Learning and Computing (IJMLC), Vol. 4, No. 1, pp. 1-5, 2014.
2013
- Mayurathan, B., Ramanan, A., Mahesan, S., and Pinidiyaarachchi, U.A.J.: “Speeded-up and Compact Visual Codebook for Object Recognition”, International Journal of Image Processing (IJIP), Volume 7, Issue 1, pp. 31-50, 2013.
2012
- Vinoharan, V., Ramanan, A. and Kodituwakku, S. R.: “A Wheel-based Side-view Car Detection using Snake Algorithm”, In Proceedings of the Sixth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’12), pp. 185-189, Beijing, China, 27-29 September, 2012.
- Paheerathy, R., Ramanan, A. and Niranjan, M.: “An Efficient and Speeded-Up Tree for Multi-class Classification”, In Proceedings of the Sixth IEEE International Conference on Information and Automation for Sustainability (ICIAfS’12), pp. 190-194, Beijing, China, 27-29 September, 2012.
2011
- Ramanan, A. and Niranjan, M.: “A Review of Codebook Models in Patch-based Visual Object Recognition”, Journal of Signal Processing Systems, Springer New York, Vol. 68, No. 3, pp. 333-352, 2011.
- Ramanan, A., Paheerathy, R., and Niranjan, M.: “Speeding Up Multi-Class Texture Classification by One-Pass Vocabulary Design and Decision Tree”, In Proceedings of the Sixth IEEE International Conference on Industrial and Information Systems (ICIIS’11), pp. 255-260, 16-19 August, 2011.
- Gunn, S., Jung, S., Mahmoodi, S., Markovsky, I., Ramanan, A., and Szedmak, S.: “User Modelling for Search Personalisation”, Deliverables D5.2, University of Southampton, UK, January 2011.
- Gunn, S., Jung, S., Mahmoodi, S., Markovsky, I., Ramanan, A., and Szedmak, S.: “Global and User-oriented Feature Selection”, Deliverables D5.3, University of Southampton, UK, January 2011.
2010
- Ramanan, A. and Niranjan, M.: “A One-Pass Resource-Allocating Codebook for Patch-based Visual Object Recognition”, In proceedings of the 2010 IEEE International Workshop on Machine Learning for Signal Processing (MLSP’10), pp. 35 – 40, August 29 – September 1, 2010, Kittilä, Finland.
- Ramanan, A.: “Designing a Resource-Allocating Codebook for Patch-based Visual Object Recognition”, University of Southampton, School of Electronics and Computer Science, Doctoral Thesis, 130pp. June 2010.
2009
- Ramanan, A. and Niranjan, M.: “Resource-Allocating Codebook for Patch-based Face Recognition”, In proceedings of the Fourth IEEE International Conference on Industrial and Information Systems (ICIIS’09), pp. 268-271, 2009.
- Farran, B., Ramanan, A. and Niranjan, M.: “Sequential Hierarchical Pattern Clustering”, In proceedings of the Fourth IAPR International Conference on Pattern Recognition in Bioinformatics (PRIB’09), Lecture Notes in Computer Science (LNCS), vol. 5780, pp. 79-88, Springer Berlin/Heidelberg, 2009.
2007
- Ramanan, A., Suppharangsan, S., and Niranjan, M.: “Unbalanced Decision Trees for Multi-class Classification”, In proceedings of the Second IEEE International Conference on Industrial and Information Systems (ICIIS’07), pp. 291-294, 2007.
2004
- Ramanan, A. and Suthakar, S.: “Data Compression in Image processing by using 2-Dimensional Centroidal Voronoi Tessellation in Java”, In proceedings of the 12th Annual Session of the Jaffna Science Association, Section B, pp. 18, 2004.
Teaching