學歷

日本北陸先端科學技術大學院大學 哲學博士
PhD (in 2008)
Japan Advanced Institute of Science and Technology (北陸先端科学技術大学院大学)
日本北陸先端科學技術大學院大學 科學碩士
Master’s degree (in 2005)
Japan Advanced Institute of Science and Technology (北陸先端科学技術大学院大学) 

專長領域

• Motion Capture, Computer Animation
• Haptic & Virtual Reality
• 3D Computer Graphics
• Real-time Rendering, Media Art
• Human Computer Interaction
• Hardware-accelerated Rendering
• KANSEI-Engineering
• Affective Computing and Material & Texture Modeling.

相關證照

1. Member of Motion Capture Society(MCS))-正会員
2. 米国電気電子学会(IEEE)-正会員
3. 電子情報通信学会（IEICE）-正会員
4. SIG-Design Creativity-正会員

Janaka Rajapakse is an Associate Professor at the Graduate Institute of Animation and Film Art, Tainan National University of the Arts, Taiwan. He is also a visiting scholar at the Department of Media Engineering, The Graduate School of Engineering, Tokyo Polytechnic University of Japan (from April 2010 to present). He was an Assistant Professor in the Tainan National University of the Arts (from August 2010 to July 2013). He was an Assistant Professor in the CG Application Laboratory, Graduate School of Engineering and special researcher in the Center for Hyper Media Research, Tokyo Polytechnic University, Japan (from October 2008 to March 2010). He also worked at the Japan Advanced Institute of Science and Technology, Japan, as a Research Assistant (from April 2005 to March 2008). He received his B.Sc. degree in computer science from University of Colombo, Sri Lanka. He won the Japanese Government Scholarship for his higher studies in Japan. He received his M.Sc. and Ph.D. degrees from Japan Advanced Institute of Science and Technology in 2005 and 2008. His research interests include computer animations, artificial intelligence, motion capture techniques, computer graphics, virtual reality, augmented reality, haptic interfaces, 3D Printing, interactive media and kansei engineering. Prof. Rajapakse is the author or coauthor of over seventy academic publications. He is a member of Motion Capture Society (MCS), ASIAGRAPH Association, The Society for Art and Science, IEEE and DCSIG. Prof. Rajapakse received "Art International Award" -芸術国際賞 from Japan Information and Culturology Society in December 2016.

相關研究計畫

On-going  research Projects

• “Development of Aromatic Display for VR/MR/XR” (with Prof. Yoshimasa Tokuyama and Aromajion, Japan)
• “VR/AR and AI for Rehabilitation” (in corporation with Prof. Yoshimasa Tokuyama)
• “Motion Capture Technologies for Acquisition of Human Expression” in corporation with Tokyo Polytechnic University, Japan
• “A Framework for Development for Novel Interactive Game Controllers with Haptic Feedback,” in corporation with Japan Advanced Institute of Science and Technology, Japan.
• “An Automated Color Image Arrangement Method and Kansei impression,” in a corporation with Kagawa University, Japan.

[1] Jen-Tun Lee, R. P. C. Janaka Rajapakse, and Kazunori Miyata, "HaptWarp: Implementation of Bend, Twist, and Press Manipulations for Intuitive Interaction in between the Virtual and Physical World", Journal of Robotics, Networking, and Artificial Life, ISSN (Online) 2352-6386, ISSN (Print) 2405-9021, Vol. 8, No. 4, March 2022

[2] Chien-Tung Lin, R.P.C. Janaka Rajapakse, and Yoshimasa Tokuyama, "Development of EEG Data-driven Generative Art Application for Real-time and Dynamic Interaction", Journal of Robotics, Networking, and Artificial Life, ISSN (Online) 2352-6386, ISSN (Print) 2405-9021, Vol. 8, No. 2, pp.117 - 121, September 2021.

[3] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, Kazuaki Ando, ​​R.P.C Janaka Rajapakse: "Reference Histogram Matching Based on Moving Averaged Brightness Histogram", IEEJ Transactions on Electronics Information and Systems, ISSN-L: 0385-4221, Online ISSN: 1348-8155, Print ISSN: 0385-4221, Vol. 138, No. 9, pp. 1131-1132, September 2018.
[4] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, Kazuaki Ando, R.P.C Janaka Rajapakse: "Regression Analysis Based Variance Estimation of Gaussian Distribution for Histogram Matching", Journal of Robotics, Networking and Artificial Life, ISSN 2352-6386, Vol. 4, No. 4, pp. 312-316, March 2018.
[5] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, Kazuaki Ando, R.P.C Janaka Rajapakse: "Automated Processing of Multiple-Brightness Peak Histogram Image Using Curvature and Variance Estimation", Journal of Robotics, Networking and Artificial Life, ISSN 2352 -6386, Vol. 3, No. 1, pp. 55-60, June 2016.
[6] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, Kazuaki Ando, ​​R.P.C Janaka Rajapakse: "Automated Processing of Multiple-Brightness Peak Histogram Image Using Curvature and Variance Estimation", Journal of Robotics, Networking and Artificial Life, ISSN 2352 -6386, Vol. 3, No. 1, pp. 55-60, June 2016.
[7] Manjula Madhuwanthi, Ashu Marasinghe, R.P.C Janaka Rajapaksee, Asanka Dharmawansa and Shusaku Nomura, “Factor Influence to Travel Behavior on Transport Mode Choice- A Case of Colombo Metropolitan Area in Sri Lanka”, International Journal of Affective Engineering, Vol. 15. , No. 2 (December 2015), pp.63-72, ISSN:2187-5413
[8] Prabath Weerasinghe, R.P.C Janaka Rajapakse, and Ashu Marasinghe, “An Empirical Analysis on Emotional Body Gesture for Affective Virtual Communication”, International Journal of Computer Science Issues, Vol. 12, Issue. 1, No. 1(January 2015) , pp.101-107, ISSN: 1694-0784(Online), ISSN: 1694-0814(Print).
[9] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Haruna Matsushita, Hiromichi Kawano and R.P.C Janaka Rajapakse, “An Automated Color Image Arrangement Method based on Histogram Matching- Investigation of Kansei Impression between HE and HMGD”, International Journal of Affective Engineering, Vol. 14, No. 2 (March 2015), pp.85-93, ISSN:2187-5413
[10] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Haruna Matsushita, Hiromichi Kawano and R.P.C Janaka Rajapakse, “An Automated Color Image Arrangement Method and Kansei Impression”, Journal of Robotics, Networks and Artificial Life, Vol. 1, No. 1 June 2014), pp.61-68, ISSN:2352-6386
[11] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, Chika Sonehara, and Tetsuo Hattori, “The Influence of Texture on Perceiving Haptic Stiffness”, Kansei Engineering International Journal, Japan, Online ISSN 2185-7865 Print ISSN: 1884-0841, vol.11 , no.4, pp. 1-8, 12th October 2012.
[12] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, Yuji Nakazawa, and Kouichi Konno, “Torque Display Method for Free-Form Deformation with Haptic Device”, SICE Journal of Control, Measurement, and System Integration (SICE JCMSI), 7 pages, ISSN : 1882-4889,
[13] R.P.C Janaka Rajapakse, Harinda Jayasinghe, Kazunori Miyata, Ashu Marasinghe and Yoshimasa Tokuyama: “A Study on Gender-Kansei of Three-Dimensional Geometric Shapes,” International Journal of Biometrics (IJBM), vol.4, no.4, pp. 388-405, October 2012, Inderscience publishers, ISSN: 1342-2189.
[14] Yoshimasa Tokuyama, Kouichi Konno, Junji Sone, and R.P.C Janaka Rajapakse, “Local Modification of Subdivision Surfaces Based on Curved Mesh”, The Journal of the Society for Art and Science, vol.9, no.1, pp. 1 -9 (March 2010), ISSN 1347-2267.
[15] R.P.C Janaka Rajapakse, Kazunori Miyata, Ashu Marasinghe and Yoshimasa Tokuyama: “Real-time Rendering of Color-Shift Effect of Metallic Materials,” Special Issue of International Journal of Biometrics (IJBM), vol.2, no.2, pp.185-200, Inderscience publishers, ISSN: 1755-8301.
[16] R.P.C Janaka Rajapakse, Kazunori Miyata, Ashu Marasinghe and Yoshimasa Tokuyama: “A Proposal of Framework for Kansei-based Material Selection,” The Journal of Three Dimensional Images, vol.23, no.2, pp.54-59 ( July 2009), ISSN: 1342-2189.
[17] R.P.C Janaka Rajapakse, Kazunori Miyata, Yukari Nagai, and Chandrajith A. Marasinghe: “Perceived Visual Roughness: Empirical Study on Effect of Shape,” The Journal of Three Dimensional Images, vol.22, no.2, pp.59 -64 (June 2008), ISSN: 1342-2189.
[18] R.P.C Janaka Rajapakse, Kazunori Miyata, and Chandrajith A. Marasinghe: “3D Texture Node for Generating Camouflage Textures in Maya,” The Journal of Three Dimensional Images, vol.21, no.2, pp.130-135 (June 2007), ISSN: 1342-2189.
[19] R.P.C Janaka Rajapakse, and Kazunori Miyata: "A Framework for Real-time Rendering of Cloth Objects Using Programmable Shaders," The Journal of Three Dimensional Images, vol.21, no.1, pp.33-40 (March 2007 ), ISSN: 1342-2189.

Refereed International Conference Articles:

[20] Jen-Tun Lee, R. P. C. Janaka Rajapakse, and Kazunori Miyata, " EEG-based Evaluation on Intuitive Gesture Interaction in Virtual Environments," Proceedings of the 2022 International Conference on Cyberworlds (CW2022), 27-29 September 2022, Kanazawa, Japan. https://doi.org/10.1109/CW55638.2022.00050

[21] Jen-Tun Lee, R. P. C. Janaka Rajapakse, and Kazunori Miyata, "An Empirical Study on Intuitive Gesture Manipulation in Virtual Reality", Proceedings of the 8th International Conference on Virtual Reality (ICVR 2022) 26-28 May 2022, Nanjing, China, https://doi.org/10.1109/ICVR55215.2022.9848105

[22] Chien-Tung Lin, R.P.C. Janaka Rajapakse, and Jen-Tun Lee, "VR Mazu: Enhancing the Intuitive Passive Interaction in Virtual Environment with Valve Index Controller", Proceedings of International Conference on Innovation Digital Design 2021(ICIDD-2021), May 28th, 2021, pp. 242-251, Tainan, Taiwan (Online).

[23] Yi-Li Liang, Jen-Tun Lee, and R.P.C. Janaka Rajapakse, "The Development of ML-based Sound Generation for Passive Interaction in VR", Proceedings of International Conference on Innovation Digital Design 2021(ICIDD-2021), May 28th, 2021, pp. 827-837, Tainan, Taiwan (Online).

[24] Chien-Tung Lin, R.P.C. Janaka Rajapakse, and Yoshimasa Tokuyama, "NeuroPhyllotaxis: An Interactive Application for Generative Art Based on EEG Data", Proceedings of International Conference on Artificial Life and Robotics (ICAROB-2021) ISBN 2188-7829, January 21st to 24th, 2021, 26: pp. 724-727, Oita, Japan (Online).

[25] Jen-Tun Lee, R. P. C. Janaka Rajapakse, and Kazunori Miyata, "HaptWarp: Soft Printable and Motion Sensible Game Controller", Proceedings of International Conference on Artificial Life and Robotics (ICAROB-2021) ISBN 2188-7829, January 21st to 24th, 2021, 26: pp. 732-735, Oita, Japan (Online).

[26] R. P. C. Janaka Rajapakse and Yoshimasa Tokuyama, "ThoughtMix: Interactive Watercolor Generation and Mixing Based on EEG Data ", Proceedings of International Conference on Artificial Life and Robotics (ICAROB-2021) ISBN 2188-7829, January 21st to 24th, 2021, 26: pp. 728-731, Oita, Japan (Online).

[27] Jen-Tun Lee, R.P.C Janaka Rajapakse, Yi-Ping Hung and Kazunori Miyata, “Implementations of the Gesture-Based Immersive Interaction and ML-Driven Sound Generation for Haptic Companion Doll”, Proceedings of 3rd International Conference on Artificial Intelligence & Virtual Reality- IEEE AIVR-2020, December 14-18, 2020 (virtual/online), pp. 375-379.
[28] Yoshimasa Tokuyama, R.P.C Janaka Rajapakse, Sachiyo Yamabe, Kouichi Konno and Yi-Ping Hung, “A Kinect-Based Augmented Reality Game for Lower Limb Exercise”, Proceedings of Cyberworlds International Conference (CW-2019), October 2nd -4th , 2019, Kyoto, Japan (to be appeared).
[29] Jun-Hsien Liu, R.P.C Janaka Rajapakse, Jen-Tun Lee and Yi-Ping Hung, "AI Supported Content Creation for Interactive VR Application", Proceedings of the 2019 International Conference, Asia Society of Basic Design and Art at Taichung) , July 15th -19th, 2019, Taichung, Taiwan.
[30] Jen-Tun Lee, R.P.C Janaka Rajapakse, Yi-Ping Hung and Yoshimasa Tokuyama, "HaptDoll: An Interactive Device for Tactile Sensation with Virtual Doll Companion ", Proceedings of 5th International Conference on Virtual Reality(ICVR-2019) and the 2nd International Conference on Image and Graphics Processing(ICIGP-2019) ISBN 978-1-4503-6092-0, February 23rd -25th, 2019, pp. 125-131, Singapore, Singapore.
[31] R.P.C Janaka Rajapakse and Yi-Ping Hung, "Virtual Reality as an Art Form", The 2019 International Conference on Artificial Life and Robotics (ICAROB-2019), ISSN: 2188-7829, pp. 603-606, B- Con Plaza, January 10th -13th, Beppu, Oita, Japan, 2018
[32] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse, "Color Image Arrangement Based on Histogram Matching Using Smoothed Brightness Histogram (I) --Overall Smoothing--", The 2019 International Conference on Artificial Life and Robotics (ICAROB-2019), ISSN: 2188-7829, pp. 565-569, B-Con Plaza, January 10th -13th, Beppu, Oita, Japan, 2018
[33] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse, "Color Image Arrangement Based on Histogram Matching Using Smoothed Brightness Histogram (II) --Piecewise Smoothing--", The 2019 International Conference on Artificial Life and Robotics (ICAROB-2019), ISSN: 2188-7829, pp. 561-564, B-Con Plaza, January 10th -13th, 2019, Beppu, Oita, Japan, 2018
[34] Yoshimasa Tokuyama, R.P.C Janaka Rajapakse, Tsubasa Miyazato, Kouichi Konno and Yi-Ping Hung, “Development of a Puzzle-Box Game with Haptic Feedback”, Proceedings of International Workshop on Advanced Image Technology (IWAIT-2019), ISBN 9781510627734 , January 6th -9th, 2019, Singapore, Singapore.
[35] Yi-Ping Hung, Tsui-Mei Huang, Kung-Ti Li, R.P.C Janaka Rajapakse, Yang-Sheng Chen, Ping-Huan Han, Lou-Shiuan Liu, Hao-Cheng Wang and Da-Chung Yi, "Simulating the Activity of Archeological Excavation in the Immersive Virtual Reality", Proceedings of Digital HERITAGE/VSMM (DigiHERITAGE -2018), October 26th -30th, 2018, San Francisco, USA.
[36] Jen-Tun Lee, R.P.C Janaka Rajapakse, Yi-Ping Hung and Yoshimasa Tokuyama, "The Development of a Virtual Doll Companion for Haptic Interaction", Proceedings of Nicograph International Conference (NicoInt-2018), Electronic ISBN 978-1- 5090-2305-9, Print on Demand ISBN 978-1-5386-6909-9, June 29th -30th, 2018, pp. 92, Tainan, Taiwan. (Won Best poster award)
[37] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse, "Histogram Analysis Method Based on Gaussian Distribution and Curvature Computation (II)-Experimentation", The 2018 International Conference on Artificial Life and Robotics ( ICAROB2018), B-Con Plaza, Feb. 1st – 4th, Beppu, Oita, Japan, 2018
[38] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse, "Histogram Analysis Method Based on Gaussian Distribution and Curvature Computation (I)- Peaks and Valleys Detection", The 2018 International Conference on Artificial Life and Robotics (ICAROB2018), B-Con Plaza, Feb. 1st – 4th, Beppu, Oita, Japan, 2018
[39] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse: "Histogram Matching Based on Gaussian Distribution Using Regression Analysis Variance Estimation", Proceedings of ICAROB2017 (International Conference on Artificial Life and Robotics 2017), ISBN 978-4-9908350-2-6, pp.575-578, Miyazaki, Japan, 2017.
[40] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Kazuaki Ando, ​​Yo Horikawa, R.P.C Janaka Rajapakse: "Histogram Matching Based on Gaussian Distribution Using Variance Estimation-Comparison between Curvature Computation and Regression Analysis", Proceedings of ICAROB2017 (International Conference on Artificial Life and Robotics 2017), ISBN 978-4-9908350-2-6, pp.579-582, Miyazaki, Japan, 2017.
[41] Yoshimasa Tokuyama, R.P.C Janaka Rajapakse, Shougo Miya and Kouichi Konno, “Development of a Whack-a-Mole Haptic Game for Rehabilitation", Proceedings of the first International Conference on Information Technology Reaserch-2016(ICITR-2016), 7 pages, December 15th to 16th, 2016, University of Moratuwa, Moratuwa, Sri Lanka
[42] Yoshimasa Tokuyama, R.P.C Janaka Rajapakse, Shougo Miya and Kouichi Konno, “Development of a Whack-a-Mole Game with Haptic Feedback for Rehabilitation”, Proceedings of Nicograph International Conference (NicoInt-2016), Electronic ISBN 978-1- 5090-2305-9, Print on Demand ISBN 978-1-5090-2306-6, July 6th -8th, 2016, pp. 29-35, Hanzhou, China.
[43] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, R.P.C Janaka Rajapakse: "Automated Multiple-Brightness Peak Image Processing Method Using Curvature and Variance Estimation", Proceedings of The 2016 International Conference on Artificial Life and Robotics (ICAROB 2016) , ISBN 978-4-9908350-1-9, pp. 32-35, Jan. 29-31, Japan.
[44] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Yo Horikawa, R.P.C Janaka Rajapakse: "Histogram Matching Based on Gaussian Distribution on the HSB Color System", Proceedings of The 2016 International Conference on Artificial Life and Robotics (ICAROB 2016), ISBN 978-4-9908350-1-9, pp. 36-39, Jan. 29-31, Japan.
[45] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Haruna Matsushita, Hiromichi Kawano and R.P.C Janaka Rajapakse, “Automated Color Image Arrangement Method for Multiple-peak Image”, Proceedings of International Conference on Computer Science, Computer Engineering, and Social Media( CSCESM-2015), September 21-23, 2015, 27-30 pages, Lodz., Poland.
[46] Yoshimasa Tokuyama, Yoshihiro Yamamoo, R.P.C Janaka Rajapakse, and Kouichi Konno, “A Framework for Developing the Rehabilitation Game with Haptic Feedback”, Proceedings of ASIAGRAPH-2015International Conference (ASIAGRAPH-2015), April 25th -27th, 2015, 6 pages, Tainan, Taiwan.
[47] Prabath Weerasinghe, R.P.C Janaka Rajapakse, and Ashu Marasinghe, “Data Acquisition for Empirical Analysis on Emotional Body Gesture”, Proceedings of ASIAGRAPH-2015 International Conference (ASIAGRAPH-2015), April 25th -27th, 2015, 5 pages, Tainan , Taiwan.
[48] Asanka Dharmawansa, Ashu Marasinghe, Yoshimi Fukumura, R.P.C Janaka Rajapakse, and Manjula Maduwanthi, “A Novel Approach to Attain the Feedback of the Students in the Virtual Learning”, Proceedings of ASIAGRAPH-2015International Conference (ASIAGRAPH-2015), April 25th -27th, 2015, 5 pages, Tainan, Taiwan.
[49] Chamara Liyanage, Ashu Marasinghe, R.P.C Janaka Rajapakse, and TWAW Wijesinghe, “Effective ICT- based water Quality Data Visualization for the Kelani River in Sri Lanka”, Proceedings of ASIAGRAPH-2015International Conference (ASIAGRAPH-2015), April 25th- 27th, 2015, 7 pages, Tainan, Taiwan.
[50] Manjula Madhuwanthi, Asanka Dharmawansa, Ashu Marasinghe and R.P.C Janaka Rajapakse, “A Recognition Mechanism for the Adaptation of the Activity Based Travel Demand Model”, Proceedings of the first International Symposium on Affective Science and Engineering (ISASE-2015), March 22nd -23rd, 2015, 5 pages, Tokyo, Japan.
[51] Yusuke Kawakami, Tetsuo Hattori, Yoshiro Imai, Haruna Matsushita, Hiromichi Kawano and R.P.C Janaka Rajapakse, “An Automated Color Image Arrangement Method and Kansei impression”, Proceedings of International Conference on Artificial Life and Robotics(ICAROB2015), January 10- 12, 2015, 7 pages, Oita, Japan. (won the best paper award)
[52] R. P. C. Janaka Rajapakse, “Digital Prototyping and Safety in Design”, Proceedings of The 3rd International GIGAKU conference (IGCN-2015), June 20th -22nd, 2015, Nagaoka, Japan.
[53] Manjula Maduwanthi, Ashu marasighe, Dharshana Deegahawathure, Asanka Dharmawansa, and R.P.C Janaka Rajapakse, “Adoption of Cleaner Production into Small and Medium sized Enterprises in Western Province of Sri Lanka”, Proceedings of The 3rd International GIGAKU conference (IGCN-2015 ), June 20th -22nd, 2015, Nagaoka, Japan.
[54] Yusuke Kawakami, Tetsuo Hattori, Daisuke Kutsuna, Haruna Matsushita, Yoshiro Imai, Hiromichi Kawano and R.P.C Janaka Rajapakse, “An Automated Color Image Arrangement Method and Kansei impression”, Proceedings of International Conference on Artificial Life and Robotics(ICAROB2014), January 11-13, 2014, Oita, Japan. (won the best paper award)
[55] Yusuke Kawakami, Tetsuo Hattori, Daisuke Kutsuna, Haruna Matsushita, Yoshiro Imai, Hiromichi Kawano and R.P.C Janaka Rajapakse, “An Automated Color Image Arrangement Method Based on Histogram Matching”, Proceedings of IEEE International onference on Biometrics and Kansei Engineering (ICBAKE -2013), pp. 31-34, July 5-7, 2013, Tokyo, Japan.
[56] R.P.C Janaka Rajapakse, Ashu Marasinghe, and Tetsuo Hattori “Kansei-based Color Balancing for Motion Graphics”, Proceedings of IEEE International Conference on Biometrics and Kansei Engineering (ICBAKE-2013), pp. 66-71, July 5-7 , 2013, Tokyo, Japan.
[57] ​​R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, “Effect of Animated Characters and Adjustable Tags in AR Storytelling”, Proceedings of NICOGRAPH International 2013, pp. 35-39, June 2nd to 3rd, Fukuoka, Japan. 2013.
[58] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, “Digitization of Traditional Motifs and Patterns in Sri Lanka”, Proceeding of the 2nd. International Conference on Applied and Theoretical Information Systems Research (2nd. ATISR2012), December 27-29, Taipei, Taiwan . 2012.
[59] Dulip Dayan Epasinghe, Hong Minghui, and R.P.C Janaka Rajapakse, “Visual Simulation of Lotus Leave Effect”, Proceedings of NICOGRAPH International 2012, 6 pages (DVD proceeding, sessions of Visual Simulation), July 2nd and 4th, 2012, Bali , Indonesia.
[60] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, and Chika Sonehara", The Effect of Texture on Perceiving Haptic Stiffness", Proceedings of IEEE International Conference on Biometrics and Kansei Engineering(ICBAKE-2011), pp. 222-227, September 19- 22, 2011, Takamatsu, Kagawa, Japan.
[61] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, and Raj Somadeva “Virtual Reconstruction and Visualization of Pre and Proto Historic Landscapes in Sri Lanka”, Proceedings of IEEE International Conference on Biometrics and Kansei Engineering (ICBAKE-2011), pp. 198-203 , September 19-22, 2011, Takamatsu, Kagawa, Japan.
[62] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, and Kouichi Konno “PhysX-based Framework for Developing Games with Haptic Feedback”, Proceedings of NICOGRAPH International 2011, 7 pages (DVD proceeding, sessions of Games and Toys), June 10th and 11th, 2011, Kanagawa Institute of Technology, Kanagawa, Japan.
[63] R.P.C Janaka Rajapakse, Ashu Marasinghe, Yoshimasa Tokuyama, Kazunori Miyata and Raj Somadeva, “Visualization and Haptic Rendering of Ancient Woodcarvings in Sri Lanka”, Proceedings of 14th International Conference on Geometry and Graphics (ICGG 2010), 8 pages (DVD proceeding), August 5-9, 2010, Kyoto, Japan.
[64] R.P.C Janaka Rajapakse, Yoshimasa Tokuyama, and Kouichi Konno, "A Framework for Constructing 3D Shape Modification System Based on Haptic Display", Proceedings of the International Workshop on Advanced Image Technology, (IWAIT 2010), January 11-12, 2010 , Kuala Lumpur, Malaysia.
[65] Samith T. Wickramaarachchi, R.P.C Janaka Rajapakse, and Ashu Marasinghe: “Framework for Development of a Life Security System for the Elderly,” Proceedings of the 12th International Conference on Humans and Computers (HC'2009), pp. 123- 128, December 9-10, 2009, Shizuoka, Japan.
[66] Asanka D. Dharmawansa, R.P.C Janaka Rajapakse, and Ashu Marasinghe: “Impact of the Technology Revolution in Rural Sri Lanka Areas Implementing a Banking System,” Proceedings of the 12th International Conference on Humans and Computers (HC'2009), pp . 106-111, December 9-10, 2009, Shizuoka, Japan.
[67] Yoshimasa Tokuyama, R.P.C Janaka Rajapakse, Yuji Nakazawa, and Kouichi Konno, “Torque Display Method for Free-Form Deformation with Haptic Device”, Proceedings of The ICROS-SICE International Joint Conference 2009 (ICCAS-SICE 2009), pp. 3803-3808, August 18-21, 2009, Fukuoka, Japan.
[68] R.P.C Janaka Rajapakse, Harinda Jayasinghe, Yoshimasa Tokuyama, Kazunori Miyata, and Ashu Marasinghe and: “The Effect of Variable Base on Perceiving Gender Kansei of 3D-Shape,” Proceedings of IEEE International Conference on Biometrics and Kansei Engineering 2009 (IEEE -ICBAKE 2009), pp. 136-141, June 25-28, 2009, Cieszyn, Poland.
[69] Yoshimasa Tokuyama, Kouichi Konno, Junji Sone, and R.P.C Janaka Rajapakse, “Local Modification of Subdivision Surfaces Based on Curved Mesh”, Proceedings of NICOGRAPH International-2009, pp. 147-153, June 19-20, 2009, Kanazawa , Japan.
[70] R.P.C Janaka Rajapakse, Kazunori Miyata, Chandrajith A. Marasinghe and Yoshimasa Tokuyama: "A Shading Model for Color-shift Effect of Metallic Materials," Proceedings of the 11th International Conference on Humans and Computers (HC'2008), pp. 63-69, November 20-23, 2008, Nagaoka, Japan.
[71] Harinda Jayasinghe, R.P.C Janaka Rajapakse, and Kazunori Miyata: “Analysis of 3D Shapes by Gender Kansei,” Proceedings of the Second International Conference on Kansei Engineering & Affective Systems (KEAS '08), pp. 129-134, November 22 -24, 2008, Nagaoka, Japan.
[72] R.P.C Janaka Rajapakse, and Kazunori Miyata, Chandrajith A. Marasinghe and Yoshimasa Tokuyama: “Proposal on Kansei based Material Editing,” Proceedings of the Second International Conference on Kansei Engineering & Affective Systems (KEAS '08), pp. 135- 140, November 22-24, 2008, Nagaoka, Japan.
[73] R.P.C Janaka Rajapakse, and Kazunori Miyata: "A Gallery of Gold Shaders," Proceedings of the 10th International Conference on Humans and Computers (HC'2007), pp. 51-53, December 13-15, 2007, Dusseldorf, Germany.
[74] R.P.C Janaka Rajapakse, and Kazunori Miyata, Yukari Nagai, and Chandrajith A. Marasinghe: “Perceived visual roughness: Effect of shape characteristics,” Proceedings of the 10th International Conference on Humans and Computers (HC'2007), pp. 95 -100, December 13-15, 2007, Dusseldorf, Germany.
[75] R.P.C Janaka Rajapakse, and Kazunori Miyata: “Generating Procedural Texture Effects by Categorizing Noise Colors,” Proceedings of IIEEJ Image Electronics and Visual Computing Workshop (IEVC2007), 2A-5, pp.1-6, November 25-27, 2007, Cairns, Australia.
[76] R.P.C Janaka Rajapakse, Kazunori Miyata, Yukari Nagai, and Chandrajith A. Marasinghe: “The Effect of shape on the Perception of Visual Roughness,” Proceedings of the Third International Symposium on Humanized Systems (ISHS'07), pp.119 -122, September 13-15, 2007, Muroran, Hokkaido, Japan.
[77] R.P.C Janaka Rajapakse, Kazunori Miyata, and Chandrajith A. Marasinghe: “Camouflage-Shader: A Shading Node for Generating Camouflage Materials in Maya,” Proceedings of the Ninth International Conference on Humans and Computers (HC'2006), pp. 31-35, Session. 1: Motion Analysis Science, Graphic Processing, 3-Dimensional Computer Graphics (3D-CG), September 6-9, 2006, Aizu, Japan.
[78] R.P.C Janaka Rajapakse, Kazunori Miyata, Yukari Nagai, Chandrajith A. Marasinghe, and Ajith. P. Madurapperuma: “How Creative Design Space in Digital Painting,” Proceedings of the First International Conference on Kansei Engineering and Intelligent Systems (KEIS ' 06), pp.182-187, Session 4: Kansei Philosophy and Kansei Design, September 5-6, 2006, Aizu, Japan.
[79] R.P.C Janaka Rajapakse and Kazunori Miyata: "Hardware Accelerated Rendering of BRDF Materials with Zernike Polynomials," Proceedings of the International Workshop on Advanced Image Technology, (IWAIT 2006), pp.250-255, Session.7: Rendering, January 9-10, 2006, Okinawa, Japan.
[80] R.P.C Janaka Rajapakse and Kazunori Miyata: "A Survey of Real-time Reflectance Models for Cloth Objects," Proceedings of the Eighth International Conference on Humans and Computers (HC'2005), pp.31-35, Session.1: Session.2: Computer Graphic, Geometric Modeling, and Motion Analysis, August 31 – September 2, 2005, Aizu, Japan.

International Symposiums and Technical Reports:
[81] Xiaogang Pang, Tokuyama R.P.C Janaka Rajapakse, and Kouichi Konno: “Fish Schooling Animation Generated by a Procedural Technique,” ​​Proceedings of Nicograph- Art and Science Forum 2012- Autumn, 5 pages, November 16th and 17th, 2012, Academic Center for Computing and Media Studies, Kyoto, Japan.
[82] Shoko Kayama, Tokuyama R.P.C Janaka Rajapakse, and Kouichi Konno: "The Construction of a Bending Deformation System for 3D Shapes Based on Two Haptic Devices," Nicograph- Art and Science Forum 2012- Spring, 4 pages, March 16th, 2012 , Tokyo Polytechnic University, Nakano, Tokyo, Japan.
[83] Yoshimasa Tokuyama and R.P.C Janaka Rajapakse: "A Study on Constructing Intuitive 3D Shape Modification System with Haptic Device," The 7th symposium of Center for Hyper Media Research, pp. 21-24, March 25th, 2010, Tokyo Polytechnic University, Atsugi, Japan.
[84] R.P.C Janaka Rajapakse, and Yoshimasa Tokuyama: "A Proposal on Kansei-based Shape Modeling and Deformation," The International Symposium of 3D Science and Contents 2009, July 14th, 2009, Institute of Industrial Science, the University of Tokyo, Tokyo , Japan.
[85] R.P.C Janaka Rajapakse, and Yoshimasa Tokuyama: “Torque Display Method for Free-Form Deformation,” The 6th International Symposium of Center for Hyper Media Research, March 14th, 2009, Tokyo Polytechnic University, Atsugi, Japan.
[86] R.P.C Janaka Rajapakse, and Yoshimasa Tokuyama: “The Construction of a 3D Shape Modification System Based on Haptic Display,” The 5th International Symposium of Center for Hyper Media Research, October 11th, 2008, Tokyo Polytechnic University, Atsugi, Japan.
[87] R.P.C Janaka Rajapakse, and Kazunori Miyata: "Hardware Accelerated Rendering of BRDF Materials with Zernike Polynomials," IEICE Technical Report, Image engineering, Vol.105, No.500 (20060102) pp. 255-260, IE2005-172
[88] R.P.C Janaka Rajapakse, and Kazunori Miyata: "Simulating and Rendering of Degraded Fabric Colors," ITE Technical Report, Image Expression and Computer Graphics, Vol.29, No.25, pp.13-16, 18th March 2005, Tokyo , Japan. (not peer- reviewed)

作品

1. ASIA NETWORK BEYOND DESIGN - 2019, COLOMBO SPECIAL CONFERENCE AND EXHIBITION SRI LANKA INSTITUTE OF INFORMATION TECHNOLOGY, 斯里蘭卡/科倫坡    2019/2/11/- 2019/ 2/15
2. ASIA NETWORK BEYOND DESIGN - 2019, Kyoto Exhibition, Kyoto University of Art and Design, Galerie Aube, 日本/京都, 2019/9/28- 2019/10/4
3. ASIA NETWORK BEYOND DESIGN - 2019 Seoul Exhibition, Dream Forest Gallery, 韓國/首爾, 2019/10/15- 2019/10/21
4. ASIA NETWORK BEYOND DESIGN - 2019 Tianjin Exhibition, Tianjin Academy of Fine Arts, 中國/天津, 2019/11/3/2019 - 2019/11/10
5. ASIA NETWORK BEYOND DESIGN - 2019 Taipei Exhibition, National Taiwan Normal University (NTNU), 台灣/台北, 2019/11/23- 2019/11/28
6. 作品名稱: Rays of the freedom
AISIA NETWORK BEYOND DESIGN 2018: Malaysia Exhibition, Kuala Lumpur, First City University College, 2018.8.24 – 30, Malaysia 
7.  作品名稱:  Rays of the freedom
AISIA NETWORK BEYOND DESIGN 2018: SHANXI Exhibition, 2018.9.25 – 10.9, Ink Hedong Art Museum, Shanxi, China
8.  作品名稱:  Forming
ASIA NETWORK BEYOND DESIGN 2018: SEOUL Exhibition, 2018.11.2 – 7, Dream Forest Gallery, Seoul, Korea    
9. 作品名稱: Forming Peace
ASIA NETWORK BEYOND DESIGN 2018: TAINAN Exhibition, 2018.12.15 – 25, Chih Shang Gallery, Kaohsiung Cultural Center, Taiwan
10. ANBD Munich Special Exhibition, 2018.03.03rd – 13th, Museum Fünf Kontinente, Germany
11. 作品名稱: Blue-mens, Vene, Frozen, Struck
Solo Exhibition of four motion generated art works were exhibited in the 2017 Korean Society of Basic Design and Art (KSBDA) - International Fall Conference & Exhibition, November 25th -29th, 2017.

其他

• Member of International Review committee ASIAGRAPH-2019, November, 2019, Tokyo
• Member of International Review committee ASIAGRAPH-2018, 14th to 16th November, 2018, Tokyo
• Member of Judging Panel, 48 Hours Live contest- ASIAGRAPH Reallusion Awards -2018, 20th to 24th August, 2018, Taipei, Taiwan.
• General Chair, the 17th Annual International Conference “NICOGRAPH International 2018”, June 29th -30th, in Tainan, Taiwan.
• Co-Chair, Computer Graphics Workshop: CGW 2018, June 29th -30th, in Tainan, Taiwan
• Member of International Review Committee ASIAGRAPH-2017, 27th to 29th October, 2017, Tokyo.
• General Chair, ASIAGRAPH International Conference -2017, 22nd to 24th April, Kaohsiung, Taiwan.
• International Program Committee, the 16th Annual International Conference “NICOGRAPH International 2017” June 2nd-3rd, in Kyoto, Japan.
• Member of International Review committee ASIAGRAPH-2016, 27th to 30th October, 2016, Tokyo.
• International Program Committee, The 15th Annual International Conference “NICOGRAPH International 2016” in Hangzhou, China.
• Member of International Review Committee, CG Art Gallery, ASIAGRAPH-2015, 22nd to 25th October, Tokyo.
• General Chair and Publication Chair, ASIAGRAPH International Conference -2015, 25th   to 27th April, Tainan, Taiwan.
• Member of International Review Committee, CG Art Gallery, ASIAGRAPH-2014, 23rd to 26th October, Tokyo
• Program Committee, The 12th Annual International Conference “NICOGRAPH International 2013”, Fukuoka, Japan.
• Reviewer, IEEE-ICBAKE 2013, International Conference on Biometrics and Kansei Engineering-2013, Akihabara, Japan.
• Reviewer, Journal of Art and Science, The Society for Art and Science, Japan.
• International Program Committee, The 11th annual international conference “NICOGRAPH International 2012” in Bali, Indonesia, The Society for Art and Science in cooperation with University of Multimedia Nusantara, Indonesia.
• Reviewer, IEEE-ICBAKE 2011, International Conference on Biometrics and Kansei Engineering-2011, Takamatsu, Japan.
• Session Chair, ICROS-SICE International Joint Conference 2009 (ICCAS-SICE 2009), Fukuoka, Japan, Session title: Force Control and Haptic Devices,
• Reviewer, ACM SIGCHI Creativity & Cognition 2009,
• Reviewer, ICROS-SICE International Joint Conference 2009 (ICCAS-SICE 2009),
• Program Committee, The 12th International Conference on Humans and Computers 2009 (HC'2009)
• Publicity Committee, International Multi-Conference on Biometrics and Kansei Engineering (IEEE-ICBAKE 2009)
• Organization Committee Chair, The Eleventh International Conference on Humans and Computers 2008 (HC' 2008) Program Committee, The Eleventh International Conference on Humans and Computers 2008 (HC' 2008)
• Session Chair, The Second International Conference on Kansei Engineering & Affective Systems (KEAS' 08), Session title: Behavior/Recognition/Learning,
• Invited reviewer of Journal of Virtual Reality and Broadcasting (2007年11月～)