(On Study Leave)

BSc (Sp)
, MPhil
, Reading for PhD,

Email krw@dcs.ruh.ac.lk

Extention 4807

- COM 212beta: Object Oriented System Development
- COM 323alpha: Visual Programming
- COM 3b3beta: Group Project
- CSC 2143: Computer Graphics and Image Processing
- CSC 2213: Rapid Application Development
- CSC 2263: Multimedia and Video Production

- Computational Geometry
- Euclidean Geometry
- Graph Theory
- Design and Analysis of Algorithms
- Data Structures

- JOURNAL PAPERS:
- 1. S.R. Kodituwakku, K.R. Wijeweera, M.A.P. Chamikara. "An efficient algorithm for line clipping in computer graphics programming." Ceylon Journal of Science (Physical Sciences), vol. 17, pp. 1-7, 2013.
- 2. S.R. Kodituwakku, K.R. Wijeweera, M.A.P. Chamikara. "An efficient line clipping algorithm for 3D space." International Journal of Advanced Research in Computer Science and Software Engineering, vol. 2(5), pp. 96-101, 2012.
- 3. K.R. Wijeweera, U.A.J. Pinidiyaarachchi. "An efficient convex hull algorithm for a planer set of points." Ceylon Journal of Science (Physical Sciences), vol. 17, pp. 9-17, 2013.
- 4. K.R. Wijeweera, S.R. Kodituwakku. "An approach for line clipping against a convex polyhedron." Ruhuna Journal of Science, vol. 7, pp. 12-20, 2016.
- 5. K.R. Wijeweera, S.R. Kodituwakku. "On the convex layers of a planer dynamic set of points". Ceylon Journal of Science, vol. 47(2), pp. 165-174, 2018.
- 6. K.R. Wijeweera, S.R. Kodituwakku. "Accurate, simple, and efficient triangulation of a polygon by ear removal with lowest memory consumption." Ceylon Journal of Science, vol. 45(3), pp. 65-76, 2016.
- 7. K.R. Wijeweera, S.R. Kodituwakku. "An algorithm to find the largest circle inside a polygon", Ceylon Journal of Science (Physical Sciences), vol. 19, pp. 45-54, 2014.
- 8. K.R. Wijeweera, S.R. Kodituwakku. "An algorithm to find the visible region of a polygon." Ceylon Journal of Science (Physical Sciences), vol. 19, pp. 33-44, 2014.
- 9. K.R. Wijeweera, S.R. Kodituwakku. "Convex partitioning of a polygon into smaller number of pieces with lowest memory consumption." Ceylon Journal of Science, vol. 46(1), pp. 55-66, 2017.
- 10. M.A.P. Chamikara, S.R. Kodituwakku, A.A.C.A. Jayathilake, K.R. Wijeweera. "Fuzzy neural hybrid method for Sinhala character recognition." International Journal of Advanced Research in Computer Science and Software Engineering, vol. 4(9), pp. 8-21, 2014.
- 11. K.R. Wijeweera, S.R. Kodituwakku. "A simple algorithm for calculating the area of an arbitrary polygon." Ruhuna Journal of Science, vol. 8, pp. 67-75, 2017.
- 12. K.R. Wijeweera, S.R. Kodituwakku, M.A.P. Chamikara. "A novel and efficient approach for line segment clipping against a convex polygon." Ruhuna Journal of Science, vol. 10(2), pp. 161-173, 2019.
- 13. K.R. Wijeweera, S.R. Kodituwakku. "An efficient planar incremental convex hull algorithm to find the edges of the boundary polygon of the convex hull of a set of points". Ceylon Journal of Science, vol. 50(3), pp. 261-268, 2021.
- CONFERENCE ABSTRACTS:
- 1. K.R. Wijeweera, T.S. Ilayperuma. "Using a linear data structure to maintain dynamic convex hull in two dimensions." in Second Ruhuna International Science and Technology Conference, 2014, pp. 111.
- 2. K.R. Wijeweera, S.R. Kodituwakku. "An approach for line clipping against a convex polyhedron." in Postgraduate Institute of Science Research Congress, 2015, pp. 42.
- 3. K.R. Wijeweera, T.S. Ilayperuma. "Improved greedy approach for travelling salesman problem to be used as a teaching tool." in Third Ruhuna International Science and Technology Conference, 2016, pp. 66.
- 4. K.R. Wijeweera, S.R. Kodituwakku, M.A.P. Chamikara. "An efficient line clipping algorithm against a convex polygon." in Fourth Ruhuna International Science and Technology Conference, 2017, pp. 63.
- 5. W.T.R. Fernando, K.R. Wijeweera, D.M.N.K. Dasanayaka. "Improving the accuracy of k-means algorithm using genetic algorithm." in Fourth Ruhuna International Science and Technology Conference, 2017, pp. 35.
- 6. K.R. Wijeweera, S.R. Kodituwakku. "A simple and efficient incremental convex hull algorithm in 3D space." in Fifth Ruhuna International Science and Technology Conference, 2018, pp. 47.

- 1. Member of the Judge Panel, Invention and Innovation Exhibition - 2014, Faculty of Science, University of Ruhuna, Sri Lanka; 2014 October 23-24.
- 2. Junior Counselor, Nature Explorers Society, Faculty of Science, University of Ruhuna, Sri Lanka; 2014 September 01 to present.
- 3. Member, Welfare Society, Department of Computer Science, Faculty of Science, University of Ruhuna, Sri Lanka; 2014 November 26 to present.
- 4. Member, Ruhuna University Science Teachers' Association, Faculty of Science, University of Ruhuna, Sri Lanka; 2014 September 01 to present.
- 5. Committee Member, Invention and Innovation Exhibition 2015, Faculty of Science, University of Ruhuna, Sri Lanka.
- 6. Committee Member, Faculty Day 2016, Faculty of Science, University of Ruhuna, Sri Lanka.
- 7. Executive Committee Member, Ruhuna University Science Teachers' Association, Faculty of Science, University of Ruhuna, Sri Lanka; 2017 May 05 to 2018 May 18.
- 8. Joint Secretary, Ruhuna University Science Teachers' Association, Faculty of Science, University of Ruhuna, Sri Lanka; 2019 May 31 to 2020 July 1.
- 9. Reviewer, Seventh Ruhuna International Science and Technology Conference 2020, Faculty of Science, University of Ruhuna, Sri Lanka.
- 10. Committee Member, Eighth Ruhuna International Science and Technology Conference 2021, Faculty of Science, University of Ruhuna, Sri Lanka.
- 11. Reviewer, Eighth Ruhuna International Science and Technology Conference 2022, Faculty of Science, University of Ruhuna, Sri Lanka.

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