Dr. LOCHANDAKA RANATHUNGA

B.Sc. Sp(Hons), M.Sc., PGDip in DEd. (IGNOU), PhD (Malaya), MIPSL, MCSSL

75, New Road, Hambantota, Sri Lanka.
(Office) Department of IT, Faculty of IT, University of Moratuwa, Katubedda, Moratuwa, Sri Lanka
Tel: +94 71 2207030, +94 47 2220386, (Office) +94 112650301-ext 8102 / 8101
e-mail : lochandaka@itfac.mrt.ac.lk, lochandaka@lycos.com


Publications

    Journal Publications:

    • An Experimental Investigation of Statistical Model based Secure Steganography for JPEG Images, Indian Journal of Science and Technology, Vol. 10, Isuue 27, ISSN: 0974-6846, 0974-5645(online), indexed in ISI Sci., (2017), V. Senthooran, L. Ranathunga
    • Visual alignment of arteries in coronary cine-angiogram using global motion stabilisation approach, Journal of the National Science Foundation of Sri Lanka, vol. 45, Issue 1, ISSN: 1391-4588, 2362-0161(online), indexed in ISI SCi., SCOPUS, etc. (2017), K. A. S. H. Kulathilake, L. Ranathunga, G. R. Constantine, and N. A. Abdullah.
    • Hierarchical Region Based Template Matching Technique for Global Motion Reduction of Coronary Cineangiograms, International Journal of Computer Theory and Engineering vol. 7, no. 2, pp. 156-161, ISSN: 1793-8201(Online), indexed in INSPEC, IET, etc. (2015), K. A. S. H. Kulathilake, L. Ranathunga, G. R. Constantine, and N. A. Abdullah.
    • User's Visual Intention Driven Retrieval Model For Semantic Video Search And Retrieval, Malaysian Journal of Computer Science, Vol.25(4), 2012, ISSN:0127-9084, indexed in ISI Sci., SCOPUS, etc. (2012), Lochandaka Ranathunga, Nor Aniza Abdullah, Roziati Zainnudin
    • Performance Evaluation of the Combination of Compacted Dither Pattern Codes with Bhattacharyya Classifier in Video Visual Concept Depiction, Multimedia Tools and Applications, Springer Publication, ISSN:1380-7501 & 1573-7721 (Online first), indexed in ISI Sci., SCOPUS, Computer Science, etc.(2010),  Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Compacted Dither Pattern Codes Over MPEG-7 Dominant Colour Descriptor In Video Visual Depiction, Malaysian Journal of Computer Science, Vol.23(2), 2010, ISSN:0127-9084, indexed in ISI Sci., SCOPUS (2010),  Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Modeling Telepathy Computers for Next Era – NITESL Journal, ISSN 1800 –174 (2006), Ranathunga L.

    Conference Proceedings:

    • Verb Sentiment Scoring: A Novel Approach for Sentiment Analysis Based on Adjective-VerbAdverb Combinations, The 2017 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2017), 2017, YHP P Priyadarshana, L Ranathunga.
    • Sentiment negation: A novel approach in measuring negation score, Future Technologies Conference (FTC), IEEExplore, 2016, YHP P Priyadarshana, L Ranathunga, PM Karunaratne,
    • Computing lumen diameter of coronary arteries using segmented vessel's geometry and line tracking, International Conference on Information Science (ICIS), (IEEExplore) 2016, KASH Kulathilake, L Ranathunga, GR Constantine, NA Abdullah
    • A feature clustering approach based on Histogram of Oriented Optical Flow and superpixels, IEEE 10th International Conference on Industrial and Information Systems (ICIIS), (IEEExplore), 2015, pp. 480-484, A Bandara, L Ranathunga, NA Abdullah
    • A segmentation method for extraction of main arteries from Coronary Cine-Angiograms, Fifteenth International Conference on Advances in ICT for Emerging Regions (ICTer), (IEEExplore), 2015, pp. 9-15, K Kulathilake, L Ranathunga, GR Constantine, NA Abdullah
    • Sentiment analysis: Measuring sentiment strength of call centre conversations, IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), (IEEExplore) 2015, pp. 1-9, YHPP Priyadarshana, KIH Gunathunga, Nipuni N Perera, L Ranathunga, PM Karunaratne, TM Thanthriwatta
    • Region growing segmentation method for extracting vessel structures from coronary cine-angiograms, Moratuwa Engineering Research Conference (MERCon), (IEEExplore), 2015, 142-147, K Kulathilake, L Ranathunga, GR Constantine, NA Abdullah
    • Reduction of Motion Disturbances in Coronary Cineangiograms through Template Matching, Future Information Technology, Lecture Notes in Electrical Engineering Volume 309, 2014, pp 267-273, Springer publication (ISI/SCOPUS Cited Publication) (2014), K. A. S. H. Kulathilake, L. Ranathunga, G. R. Constantine, N. A. Abdullah
    • Hierarchical Region Based Template Matching Technique for Global Motion Reduction of Coronary Cineangiograms, 3rd International Conference on Computer Technology and Science (ICCTS 2014) Sarawak, Malaysia, 7-8, June, (2014), K.A.S.H. Kulathilake, L. Ranathunga, G.R. Constantine and N.A. Abdullah
    • An Investigation of Quantization Table Modification on JPEG Steganography, 8th ICIIS, December 2013, (IEEExplore), (2013), V. Senthooran, Lochandaka Ranathunga
    • Invariant Properties of a Locally Salient Dither Pattern with a Spatial-Chromatic Histogram,  8th ICIIS, December 2013, (IEEExplore), (2013), A. M. R. R. Bandara, Lochandaka Ranathunga, N. A. Abdullah
    • Comprehensive 3D Modeling Using 2D Elevation Sketches, 8th ICIIS, December 2013, (IEEExplore), (2013),  C. H. W. Jayawardane, K.T. Mahadewa, M. D. D. Perera, D. A. D. L. U. Premalal, Lochandaka Ranathunga
    • Calibration Checklist to Use in an Automated Pedagogical Evaluation Process of Web Based E-Learning, 8th ICIIS, December 2013, (IEEExplore), (2013), S.C.M.de S Sirisuriya, Lochandaka Ranathunga, S.P. Karunanayaka, N.A. Abdullah
    • Can pedagogical evaluation process of web based E-Learning be automated?, 8th International Conference on Computer Science & Education (ICCSE), 26-28 April 2013 ,  ISBN: 978-1-4673-4464-7, pp. 650 - 655, (IEEExplore), (2013),  S.C.M. de S Sirisuriya, Lochandaka Ranathunga, S.P. Karunanayaka,  N.A. Abdullah
    • GPS Assisted Traffic Alerting and Road Congestion Reduction Mechanism, 29th Technical Sessions of IPSL 2013, March 2013, pp. 77-84, (2013), Y.H.P.P. Priyadarshana, K.K.A. Nipuni N. Perera, V. Karthik, R. Jayaseelan, A.R.K. Abhayawardhana, H.A.K. Sandamali, Lochandaka Ranathunga and W.M. Ruvini M.Weerasinghe
    • Spatio Concept Relation Accompanied Interface to Bridge Semantic Gap of Video Search and Retrieval, 2nd World Congress on Information and Communication Technologies (WICT), India, 2012, ISBN: 978-1-4673-4804-1, pp.733 - 738, (IEEExplore), (2012), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Conventional Video Shot Segmentation to Semantic Shot Segmentation, 6th ICIIS 2011, 16-19 Aug. 2011, ISBN: 978-1-4577-0032-3, pp. 186 – 191, (IEEExplore), (2011), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Comparison of Compacted Dither Pattern Codes with Local Colour Histogram, 3rd International Conference on Machine Vision (ICMV) 2010, 28-30 Dec. 2010, ISBN: 978-1-4244-8888-9 (To be published in IEEExplore and indexed in ISI Sci.), (2010), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Semantic Visual Search with Feature Space Reduction, 5th ICIAFS 2010, 17-19 Dec. 2010, ISBN: 978-1-4244-8551-2  (IEEExplore), (2010),  Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Compacted Dither Pattern Codes Versus Principal Component Analysis in Video Visual Depiction, ITSIM 2010, 15-17 June 2010, ISSN:2155-897,  pp.1–6, (IEEExplore), (2010), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Reduction of Visual Feature Space with Compacted Dither Pattern Codes and Depiction of Irregular Shapes Based Visual Concepts in Video, 11th Association of Pacific Rim Universities Doctoral Students Conference (APRUDSC 2010), 12-16 July 2010, Universitas Indonesia, Jakarta, Indonesia, (2010), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Evaluation of Best Fit Video Visual Classifier for Compacted Dither Pattern Codes, 4th ICIIS 2009 IEEE International Conference, 28-31 Dec. 2009, ISBN 978-1-4244-4837-1, (IEEExplore), (2009), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Analysis of Video Content in Multi Codec Formats with Compacted Dither Coding, ICIAFS 2008, Dec. 2008 Page(s):48 – 54, (2008),  Lochandaka Ranathunga, Nor Aniza Abdullah, Roziati Zainnudin,
    • Reduction of Syntactic Video Data Clustering Complexity in Processing with Compacted Dither Coding: International Symposium on Information Technology 2008, ITSIM’08, (2008), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah
    • Media Me: Body and Personal Media Interaction – Ninth International Conference on Electronic Commerce (ICEC) 2007, Owen Noel Newton Fernando, Imiyage Janaka Prasad Wijesena, Adrian David Cheok, Ajith Parakum Madurapperuma, Lochandaka Ranathunga, Mei Gangwen, Miyuru Dayarathna, Srinivasan, Mariappan(a), and Lee Rui Jie Jerome
    • iMTracer - Intelligent Mobile Route Tracer with Map Guide, International Conference on Industrial and Information Systems, IEEE Sri Lanka Section, (2007), Abeyrathne D.D.I.D.S., Ranasinghe R.A.N. , Udara M.D.D. ,  Ranathunga L.
    • Electronic Document Management Systems for Modern Business Challenges - International Conference on Influence of Change Management of TVET Sector to Entrepreneurship Development, (2006), Ranathunga L.
    • Impact of Three dimensional virtual environmental models on asynchronous e-Learning – (2005), 21st Technical Session of IPSL- (2005),Ranathunga L., Kodikara N.D
    • Identification of training courses at TVET institutions, which can introduce different levels of e-learning training systems and propose implementation plan to introduce e-learning system for the sector – (2005), Research Convention of TVET sector – (2005), Ranathunga L., Sugathadasa U.K.D
    • Study to evaluate the tendency of A/L & O/L schoolgirls being attracted towards government technical and vocational education sector - (2005), Research Convention of TVET sector – (2005), Ranathunga L. Gamini K.L, Thenabadu M.L.

    News Articles:

    • A Novel Framework for Digital Video Processing and Retrieval, Association of Pacific Rim Universities News Letter, October 2010 issue, pp. 13, (2010), Lochandaka Ranathunga, Roziati Zainnudin, Nor Aniza Abdullah

    Thesis Documents:

    • Video Visual Feature Space Reduction and Semantic Search for Visual Content Retrieval - (April 2011), Ranathunga L - PhD Thesis
    • Asynchronous E-Learning material development for the module of Visual Computing with 3D learning models – (December, 2004),Ranathunga L -  MSc Thesis
    • Study of Dust Content in AIR – (1999), Ranathunga L– BSc (Special) Thesis

    Scholarships and Awards:

    • World Education Congress Education Leadership Award, Sri Lanka- Best Professor in Information Technology 2017
    • CMOAsia Best Professor in Information Technology Management Award 2013
    • University of Malaya Postgraduate Research Excellence Award 2011
    • Commonwealth Scholarship for PhD studies 2007 
    • ADB Scholarship Under Ministry of Science and Technology for Postgraduate Studies (2002)

Teaching

Undergraduate Level:

  • Computer Graphics and Animations
  • Digital Image Processing and Computer Vision
  • Multimedia Technology
  • Human Computer Interaction
  • Web Technologies and Internet Programming
  • Computer Architecture
  • Computer Organization
  • High Performance Computing
  • Parallel Processing
  • Theory of Programming Languages
  • Visual Computer Programming
  • Intergraded Development Environments (IDE)

Postgraduate Level:

  • Software Engineering
  • Digital Image processing and Computer Graphics
  • Multimedia Technology
  • Internet Programming
  • Visual Computer Programming
  • Human Computer Interaction

Research Interest

  • Image Processing and Machine Vision
  • 3D Reconstruction
  • Video Content Analysis and Presentation
  • Human Performance and Interaction
  • Digital Music Production
  • e-Learning
  • Multimedia Security