Mr. Wiraj Wickramaarachchi

• DEng in Computer Science and Technology – Wuhan University of Technology, China (2024)
• MEng in Computer Science and Technology – Wuhan University of Technology, China (2018)
• BSc Special (Honors) in Computing & Information Systems – Sabaragamuwa University of Sri Lanka (2015)

• Certificate in Teaching in Higher Education (CTHE)– Rajarata University of Sri Lanka (2020)

• Member of IEEE – Sri Lankan Section
• Professional Member of the Computer Society of Sri Lanka (MCSSL)

• Biometric Authentication
• Information Security
• Privacy Protection
• Image Processing
• Natural Language Processing
• Statistical Learning and Data Science

• ICT 4210 – Digital Image Processing
• ICT 3310 – Information Security
• ICT 1210 – Introduction to Multimedia

• Head of the Department (2023 July to Present), Department of Information and Communication Technology, Faculty of Technology, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Senior Lecturer (2023 July to Present), Department of Information and Communication Technology, Faculty of Technology, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Lecturer (2023 January to 2023 June), Department of Computing, Faculty of Applied Sciences, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Lecturer (Probationary) (2019 February to 2022 December), Department of Computing, Faculty of Applied Sciences, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Student Counselor (2022 September to 2023 July), Faculty of Applied Sciences, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Member (2019 to Present), Art Council, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Visiting Lecturer (2019 November to Present), NSBM Green University Town, Homagama, Sri Lanka
• Visiting Lecturer (2020 January to 2020 July), Faculty of Management Studies, Rajarata University of Sri Lanka, Mihintale, Sri Lanka
• Visiting Lecturer (2019 May to 2020 July), Sri Lanka Institute of Advanced Technological Education (SLIATE), Anuradhapura Campus, Anuradhapura, Sri Lanka
• Lecturer (2016 May to 2016 August) Sri Lanka Institute of Information Technology (SLIIT), Kurunegala Campus, Kurunegala, Sri Lanka.
• Demonstrator (Temporary) (2015 October to 2016 April), Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka
• Lecturer (on Assignment Basis) (2014 May to 2016 August), Infortec International University College, Kandy, Sri Lanka

• Reviewer of the 8th International Research Conference of Uva Wellassa University – IRCUWU 2024, Track: Computing and Informatics. Uva Wellassa University of Sri Lanka
• Reviewer of the 7th International Research Conference of Uva Wellassa University – IRCUWU 2023, Track: Computing and Informatics. Uva Wellassa University of Sri Lanka
• Reviewer of the 15th International Research Conference of General Sir John Kotelawala Defense University – 2022, Sri Lanka, Track: Computing
• Panel Member of the 6th International Research Conference of Uva Wellassa University – IRCUWU 2022, Track: Computing and Informatics. Uva Wellassa University of Sri Lanka
• Reviewer of the 6th International Research Conference of Uva Wellassa University – IRCUWU 2022, Track: Computing and Informatics. Uva Wellassa University of Sri Lanka
• Reviewer of the 2nd International Conference on Advanced Research in Computing – ICARC 2022, Department of Computing and Information Systems, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka
• Reviewer of the 3rd International Conference on Advancements in Computing 2021, Sri Lanka Institute of Information Technology, Sri Lanka
• Reviewer of the Journal of Management Matters published by Faculty of Management Studies, Rajarata University of Sri Lanka.
• Editorial Assistant of the Rajarata University Journal published by the Rajarata University of Sri Lanka. (Volume 5-Issue1:Issue2, Volume 6-Issue1:Issue2)

• Effective Privacy-Preserving Iris Recognition based on Cancellable Block-Feature Transformation (Principle Investigator)
• Deep-fake Video Detection using Neural Networks (Supervisor) – Completed
• Musical Notation Generator for Sri Lankan Classical Sinhala Songs (Supervisor) – Completed
• Post- Harvest Management System (Supervisor) – Completed
• Muscle workout detection using signal processing: A system-based approach with wearable device (Supervisor) – Completed
• A mobile application to detect nitrogen, phosphorus and potassium deficiencies in rice plant (Supervisor) – Completed
• An Android Application for Vocal Training Practice Lessons of Sri Lankan Music with Pitch Error Identification Feature (Supervisor) – Completed
• Virtual Friend: An AI-based Mobile Application to Respond to Human Emotions and Speech Content (Supervisor) – Completed
• A Predictive Model for Diagnosis of Dengue (Supervisor) – Completed
• Image Captioning in the Tamil language (Supervisor) – Completed
• An Improved Seam Carving Using Image Segmentation for Content-Aware Image Resizing (Supervisor) – Completed
• Comparative Study on Sentiment Analysis Approach for Customer Satisfaction Identification Based on Hotel Reviews. (Supervisor) – Completed
• A Machine Learning Approach for Credit Card Fraudulent Transaction Detection (Supervisor) – Completed
• Detection of Personality Traits through Handwriting Analysis Using Machine Learning Approach (Supervisor) – Completed
• Real-Time Animal Detection and Prevention System for Crop Fields (Supervisor) – Completed
• Voice-Based Social Network Application for Blind and Visually Impaired People (Supervisor) – Completed
• CCTV feed analysis-based vehicle speed estimation and alert management system (Supervisor) – Completed
• Multi-factor Lie Detection Mechanism for Emergency Call Centers (Supervisor) – Completed

Book/ Book Chapter

• Mahaganapathy, A., Jayasinghe, D., Rathnayaka, K.T., Wickramaarachchi, W.U. (2024). An Ensemble Machine Learning Approach for Predicting Flood Based on Meteorological and Topographical Features: A Comparative Study in Kalu Ganga River Basin, Sri Lanka. In: Saeed, F., Mohammed, F., Fazea, Y. (eds) Advances in Intelligent Computing Techniques and Applications. IRICT 2023. Lecture Notes on Data Engineering and Communications Technologies, vol 211. Springer, Cham. https://doi.org/10.1007/978-3-031-59707-7_15
• Kithulwatta W.M.C.J.T., Wickramaarachchi W.U., Jayasena K.P.N., Kumara B.T.G.S., Rathnayaka R.M.K.T. Adoption of Docker Containers as an Infrastructure for Deploying Software Applications: A Review. In: Saeed F., Al-Hadhrami T., Mohammed E., Al-Sarem M. (eds) Advances on Smart and Soft Computing. Advances in Intelligent Systems and Computing, vol 1399. Springer, Singapore. https://doi.org/10.1007/978-981-16-5559-3_21 (The 2nd International Conference of Advanced Computing and Informatics (ICACIN 2021), Casablanca, Morocco) 2022.
• Sajeevan S., Wickramaarachchi W.U. Detection of Personality Traits Through Handwriting Analysis Using Machine Learning Approach. In: Saeed F., Al-Hadhrami T., Mohammed E., Al-Sarem M. (eds) Advances on Smart and Soft Computing. Advances in Intelligent Systems and Computing, vol 1399. Springer, Singapore. https://doi.org/10.1007/978-981-16-5559-3_8 (The 2nd International Conference of Advanced Computing and Informatics (ICACIN 2021), Casablanca, Morocco) 2022.
• Kithulwatta W.M.C.J.T., Wickramaarachchi W.U., A Study on blended learning approaches used in Sri Lankan higher education during Covid 19 pandemic. Yatigammana K., Pathiranage D.M., De Pasqual M.K. (eds) Online Education in Sri Lanka: lessons learnt during the Covid-19 Pandemic. Expographics Books, Sri Lanka. 2021
• Wiraj Udara Wickramaarachchi, W. M. S. L. Weerasinghe, and R. M. K. T. Rathnayaka. “Influence of Smart Interactive Advertising Based on Age and Gender: A Case Study from Sri Lanka.” in International Conference of Reliable Information and Communication Technology, pp. 869-880. Springer, Cham, 2019.

Journal

• Wickramaarachchi, H; Perera, S; Wijesekara, T; Wickramaarachchi, W.U. ; Tennakoon, S. Sexual Health Literacy Level and Associated Sociodemographic Factors among Sri Lankan Adolescents: A Cross-sectional Analysis of Selected Urban and Rural Areas in Kandy District. Asian Journal of Social Health and Behavior 7(1):p 44-50, Jan–Mar 2024. | DOI: 10.4103/shb.shb_370_23
• Wiraj Udara Wickramaarachchi, Dongdong Zhao, Junwei Zhou, Jianwen Xiang, “An effective iris biometric privacy protection scheme with renewability,” Journal of Information Security and Applications, Volume 80, 2024, 103684, ISSN 2214-2126, https://doi.org/10.1016/j.jisa.2023.103684.
• Kithulwatta, WMCJT, Wickramaarachchi Wiraj Udara, Warnajith Nalin. “DevOps Engine Modeling for Microservices Software Applications on Docker Containers.” Rajarata University Journal. ISSN: 2362-0080, 6.1 2021.
• Prakash Kumar Bipin, Liu Pingfeng, Ranju Mahato, Wiraj Udara Wickramaarachchi. “The Impact of Merger on Financial Performance of Banks in Nepal.” NAAR (North American Academic Research) Journal, by TWASP (The World Association of Scientists & Professionals), Online ISSN: 1945-9098 (2018).
• Wiraj Udara Wickramaarachchi, S. Vasanthapriyan. “Multi-layer framed offline signature recognition algorithm.” Journal of Image and Graphics 3.1 (2015): 11-15.

International Conference

• Wiraj Udara Wickramaarachchi, Dongdong Zhao, Junwei Zhou, Jianwen Xiang, “Pattern-Driven Privacy: Columnar Binary Transformation for Robust Iris Recognition,” 2024 International Research Conference on Smart Computing and Systems Engineering (SCSE), Volume 7, ISSN 2613-8662, https://doi.org/10.1109/SCSE61872.2024.10550858023.103684.
• Lathesparan, RMKT Rathnayaka and Wiraj Udara Wickramaarachchi, “Artificial Neural Networks Based Dengue Diagnosis Prediction Model”, 16th IEEE International Conference on Industrial and Information Systems -ICIIS 2021, Department of Electrical & Electronic Engineering, University of Peradeniya, Sri Lanka. 2021
• Gobiga Rajalingam and Wiraj Udara Wickramaarachchi, “Image Captioning in Tamil Language with Merge Architecture” 14th International Research Conference General Sir John Kotelawala Defense University, Sri Lanka. 2021.
• Lathesparan, RMKT Rathnayaka and Wiraj Udara Wickramaarachchi, “Finding the Best Feature Selection Method for Dengue Diagnosis Predictions.” 14th International Research Conference General Sir John Kotelawala Defense University, Sri Lanka. 2021.
• RMSM Nimashini, RMKT Rathnayake and Wiraj Udara Wickramaarachchi, “A Machine Learning Approach for Detecting Credit Card Fraudulent Transaction.” 14th International Research Conference General Sir John Kotelawala Defense University, Sri Lanka. 2021.
• PL Udani Kaushalya, Wiraj Udara Wickramaarachchi, “Comparison of Machine Learning Classifiers for Sentiment Analysis in Hotel Reviews.” 14th International Research Conference General Sir John Kotelawala Defense University, Sri Lanka. 2021.
• R Lathesparan, A Sharanjah, R Thushanth, S Kenurshan, MNM Nifras, and Wiraj Udara Wickramaarachchi. “Real-time Animal Detection and Prevention System for Crop Fields”. 13th International Research Conference General Sir John Kotelawala Defense University, Sri Lanka. 2020.
• Wiraj Udara Wickramaarachchi, Yousif A Alhaj, Asela Gunesekera. “Effective Privacy-Preserving Iris Recognition”. IEEE 3rd International Conference on Image, Vision and Computing (ICIVC), China. 2018.
• Wiraj Udara Wickramaarachchi, R. K. A. R. Kariapper. “An approach to get overall emotion from comment text towards a certain image uploaded to social network using Latent Semantic Analysis.” IEEE 2017 2nd International Conference on Image, Vision and Computing (ICIVC). IEEE, China. 2017.
• Wiraj Udara Wickramaarachchi, R. K. A. R. Kariapper, S. L. Rukshana. “Study on mammographic usage of image processing techniques.” IntSym-SEUSL (2017).
• Yousif A. Alhaj, Wiraj Udara Wickramaarachchi, Amir Hussain, Mohammed A.A. Al-qaness. “Efficient Feature Representation based on Effect of Word Frequency for Arabic Document Classification.” The 2nd International Conference on Telecommunications and Communication Engineering (ICTCE 2018) (2018).
• Prakash Kumar Bipin, Liu Pingfeng, Rajeev Kumar Shah, Wiraj Udara Wickramaarachchi, Kiran Thapa. “An Analysis of Financial Performance among National Level Microfinance Institutions in Nepal.” The Global Symposium on Management Science and Engineering – GSMSE 2018, Hong Kong, China (2018).
• Krishanthi Mallika, Wiraj Udara Wickramaarachchi. “Microfinance as an Instrument for Economic Empowerment of the Poor People in Sri Lanka.” The Global Symposium on Management Science and Engineering – GSMSE 2019, Hong Kong, China (2019).

Abstract

• W.M.C.J.T. Kitulwatta, W.A.W.U. Wickramaarachchi, “Identify the Adoption Level of Blended and E-Learning Approaches in Sri Lankan Higher Education Sector: A Case Study during the Covid 19 Pandemic Reference to Science Stream Students”, iPURSE 2021, Peradeniya University International Research Sessions, Sri Lanka. (2021)