Overview
Background
Chamith completed his PhD in Electrical and Computer Engineering at the University of Akron, Ohio, USA in 2014 and BSc (Hons) degree in Electronic and Telecommunications Engineering with first class honours at the University of Moratuwa, Sri Lanka in 2007. His research interests and expertise include multidimensional signal processing, digital hardware architectures for signal processing, FPGA based system design, hardware accelerators for machine learning, and engineering education. Chamith has received a number of awards including the Outstanding Student Research Award at the University of Akron, Ohio, USA, in 2011 and he is one of the two recipients of the IEEE Circuits and Systems Pre-Doctoral Award in 2014. From 2015-2019 he was a lecturer at the School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia.
Availability
- Dr Chamith Wijenayake is:
- Available for supervision
Fields of research
Qualifications
- Bachelor (Honours), University of Moratuwa
- Doctor of Philosophy, University of Akron Main Campus
Research interests
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Multidimensional signal processing
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Digital hardware design
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Engineering Education
Works
Search Professor Chamith Wijenayake’s works on UQ eSpace
2021
Journal Article
Real-time light field signal processing using 4D/5D linear digital filter FPGA circuits
Edussooriya, C. U.S., Wijenayake, C., Madanayake, A., Liyanage, N., Premaratne, S., Vorhies, J. T., Dansereau, D. G., Agathoklis, P. and Bruton, L. T. (2021). Real-time light field signal processing using 4D/5D linear digital filter FPGA circuits. IEEE Transactions on Circuits and Systems II: Express Briefs, 68 (7) 9349089, 2735-2741. doi: 10.1109/TCSII.2021.3057388
2021
Journal Article
Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement
Gullapalli, Sai K., Edussooriya, Chamira U. S., Wijenayake, Chamith, Dansereau, Donald G., Bruton, Len T. and Madanayake, Arjuna (2021). Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement. Multidimensional Systems and Signal Processing, 32 (2), 607-631. doi: 10.1007/s11045-020-00751-y
2021
Conference Publication
Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic
Wijenayake, Chamith, D'souza, Matthew, Khatamianfar, Arash, Bialkowski, Konstanty, Ros, Montserrat and Sutton, Peter (2021). Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic. IEEE International Conference on Engineering, Technology and Education (IEEE TALE), Wuhan, Peoples Republic of China, 5-8 December 2021. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TALE52509.2021.9678716
2021
Conference Publication
Improving the attenuation of moving interfering objects in videos using shifted-velocity filtering
Edussooriya, Chamira U.S., Marasinghe, Dileepa, Wijenayake, Chamith, Bruton, Len T. and Agathoklis, Panajotis (2021). Improving the attenuation of moving interfering objects in videos using shifted-velocity filtering. 2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 22-28 May 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS51556.2021.9401316
2021
Journal Article
Multi-volumetric refocusing of light fields
Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith, Agathoklis, Panajotis and Bruton, Len T. (2021). Multi-volumetric refocusing of light fields. IEEE Signal Processing Letters, 28 9291467, 31-35. doi: 10.1109/lsp.2020.3043990
2021
Conference Publication
WLS design of M-D complex-coefficient FIR filters with low group delay using second-order cone programming
Pakiyarajah, Darukeesan, Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith and Madanayake, Arjuna (2021). WLS design of M-D complex-coefficient FIR filters with low group delay using second-order cone programming. 2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 22-28 May 2021. Piscataway, NJ USA: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS51556.2021.9401512
2020
Conference Publication
Making sense of occluded scenes using light field pre-processing and deep-learning
Liyanage, Namalka, Abeywardena, Kalana, Jayaweera, Sakila S., Wijenayake, Chamith, Edussooriya, Chamira U. S. and Seneviratne, Suranga (2020). Making sense of occluded scenes using light field pre-processing and deep-learning. IEEE Region 10 Annual International Conference, Osaka, Japan, 16-19 November 2020. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/TENCON50793.2020.9293774
2020
Conference Publication
FPGA-Based 2-D FIR frost beamformers with digital mutual coupling compensation
Pulipati, Sravan, Ariyarathna, Viduneth, Jayaweera, Ashira L., Edussooriya, Chamira U. S., Wijenayake, Chamith, Belostotski, Leonid and Madanayake, Arjuna (2020). FPGA-Based 2-D FIR frost beamformers with digital mutual coupling compensation. 2020 IEEE/MTT-S International Microwave Symposium (IMS), Los Angeles, CA United States, 4-6 August 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/IMS30576.2020.9224004
2020
Conference Publication
Multi depth-velocity filters for enhancing multiple moving objects in 5-D light field videos
Liyanage, Namalka, Jayaweera, Sakila S., Edussooriya, Chamira U. S., Wijenayake, Chamith, Madanayake, Arjuna, Agathoklis, Panajotis, Bruton, Len and Ambikairajah, Eliathamby (2020). Multi depth-velocity filters for enhancing multiple moving objects in 5-D light field videos. Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 28-30 July 2020. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MERCon50084.2020.9185284
2020
Journal Article
Real-time light field denoising using a novel linear 4-D hyperfan filter
Premaratne, Sanduni U., Liyanage, Namalka, Edussooriya, Chamira U. S. and Wijenayake, Chamith (2020). Real-time light field denoising using a novel linear 4-D hyperfan filter. IEEE Transactions on Circuits and Systems I: Regular Papers, 67 (8) 9051850, 2693-2706. doi: 10.1109/tcsi.2020.2981387
2020
Journal Article
An adaptive denoising algorithm for improving frequency estimation and tracking
Wijenayake, Chamith, Antonir, Amir, Keller, Gabriele and Ignjatovic, Aleksandar (2020). An adaptive denoising algorithm for improving frequency estimation and tracking. IEEE Transactions on Circuits and Systems II: Express Briefs, 67 (1) 8638557, 172-176. doi: 10.1109/TCSII.2019.2898451
2020
Journal Article
Multi-depth filtering and occlusion suppression in 4-D light fields: algorithms and architectures
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira, Madanayake, Arjuna, Agathoklis, Pan, Bruton, Len T. and Ambikairajah, Eliathamby (2020). Multi-depth filtering and occlusion suppression in 4-D light fields: algorithms and architectures. Signal Processing, 167 107294, 1-13. doi: 10.1016/j.sigpro.2019.107294
2020
Conference Publication
Minimax design of 2-d complex-coefficient FIR filters with low group delay using semidefinite programming
Jayaweera, Ashira L., Jayaweera, Sakila S., Edussooriya, Chamira U.S., Wijenayake, Chamith and Madanayake, Arjuna (2020). Minimax design of 2-d complex-coefficient FIR filters with low group delay using semidefinite programming. 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Seville, Spain, 12-14 October 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS45731.2020.9181047
2020
Conference Publication
Low-complexity real-time light field compression using 4-D approximate DCT
Liyanage, Namalka, Wijenayake, Chamith, Edussooriya, Chamira U.S., Madanayake, Arjuna, Cintra, Renato and Ambikairajah, Eliathamby (2020). Low-complexity real-time light field compression using 4-D approximate DCT. 2020 IEEE International Symposium on Circuits and Systems (ISCAS), Seville, Spain, 12-14 October 2020. Piscataway, NJ United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS45731.2020.9180755
2019
Journal Article
Classifying IoT devices in smart environments using network traffic characteristics
Sivanathan, Arunan, Gharakheili, Hassan Habibi, Loi, Franco, Radford, Adam, Wijenayake, Chamith, Vishwanath, Arun and Sivaraman, Vijay (2019). Classifying IoT devices in smart environments using network traffic characteristics. IEEE Transactions on Mobile Computing, 18 (8) 8440758, 1745-1759. doi: 10.1109/TMC.2018.2866249
2019
Journal Article
Design and implementation of 5-D IIR depth velocity filters for light field video processing
Wijenayake, C., Liyanage, N., Edussooriya, C. U. S., Seatang, H., Agathoklis, P. and Bruton, L. T. (2019). Design and implementation of 5-D IIR depth velocity filters for light field video processing. IEEE Transactions on Circuits and Systems II: Express Briefs, 66 (7) 8486731, 1267-1271. doi: 10.1109/TCSII.2018.2874940
2019
Journal Article
On reconstruction of bandlimited signals from purely timing information
Wijenayake, Chamith, Ignjatovic, Aleksandar and Keller, Gabriele (2019). On reconstruction of bandlimited signals from purely timing information. Signal Processing, 159, 89-92. doi: 10.1016/j.sigpro.2019.02.002
2019
Conference Publication
Real-time FPGA-based multi-beam directional sensing of 2.4 GHz ISM RF sources
Pulipati, Sravan, Ariyarathna, Viduneth, Edussooriya, Chamira U. S., Wijenayake, Chamith, Wang, Xin and Madanayake, Arjuna (2019). Real-time FPGA-based multi-beam directional sensing of 2.4 GHz ISM RF sources. Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, 3-5 July 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/MERCon.2019.8818787
2019
Conference Publication
A 4-D sparse FIR hyperfan filter for volumetric refocusing of light fields by hard thresholding
Premaratne, Sanduni U., Edussooriya, Chamira U. S., Wijenayake, Chamith, Bruton, Len T. and Agathoklis, Panajotis (2019). A 4-D sparse FIR hyperfan filter for volumetric refocusing of light fields by hard thresholding. International Conference on Digital Signal Processing (DSP), Shanghai, China, 19-21 November 2018. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ICDSP.2018.8631601
2019
Conference Publication
Low-complexity wideband transmit array using variable-precision 2-d sparse FIR digital filters
Edussooriya, C. U.S., Wijenayake, C., Pulipati, S., Madanayake, A. and Bruton, L. T. (2019). Low-complexity wideband transmit array using variable-precision 2-d sparse FIR digital filters. IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, 26-29 May 2019. Piscataway, NJ, United States: Institute of Electrical and Electronics Engineers. doi: 10.1109/ISCAS.2019.8702602
Supervision
Availability
- Dr Chamith Wijenayake is:
- Available for supervision
Looking for a supervisor? Read our advice on how to choose a supervisor.
Supervision history
Current supervision
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Doctor Philosophy
Approximate algorithms and approximate computing for multi-dimensional array processing applications.
Principal Advisor
Other advisors: Dr Matthew D'Souza
Completed supervision
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2023
Doctor Philosophy
Identifying level of upper airway obstructions centered on sleep related respiratory sounds in OSA patients
Associate Advisor
Other advisors: Hon Assoc Professor Udantha Abeyratne
Media
Enquiries
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