Chamith Wijenayake

66 papers A 2C 27Misc 1Journal 21Unranked 15

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Real-time recovery of missing data in wireless sensor networks using chromatic derivatives. Internet Things M. M. Oshan A. B. Yalegama, Selani A. Indrapala, Dulini H. S. Hewage, Chamod Kavinda, Chamira U. S. Edussooriya, Chamith Wijenayake, Aleksandar Ignjatovic
2025	C	`conf`	Area-Efficient FPGA Architectures for Multidimensional DCT using Approximate Transforms and Computing. ISCAS Pathmapirian Nanthakumar, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Renato J. Cintra
2025	C	`conf`	Low-Complexity Combined Approximate DFT and Adaptive Beamformer for Extremely Large Arrays. ISCAS Arjuna Madanayake, Umesha Kumarasiri, S. Sivasankar, Chamira U. S. Edussooriya, Renato J. Cintra, Chamith Wijenayake
2024	C	`conf`	Acquisition and Processing of Chromatic Derivatives using FPGA-based Digital Hardware. ISCAS Zhaofeng Zhong, Pathmapirian Nanthakumar, Gabriel Field, Chamira U. S. Edussooriya, Aleksandar Ignjatovic, Chamith Wijenayake
2024	C	`conf`	Minimax Design of M-D Interpolated FIR Filters using Convex-Concave Procedure. ISCAS Pathmapirian Nanthakumar, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
2023	—	`conf`	Combined Approximate Transforms and Approximate Computing for Low-Complexity Multibeam Arrays. ISCIT Pathmapirian Nanthakumar, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake
2023	—	`conf`	Exploring the Performance of Generative AI Tools in Electrical Engineering Education. TALE Zhaofeng Zhong, Chamith Wijenayake, Chamira U. S. Edussooriya
2023	—	`conf`	Investigating Different Approaches on Online Laboratory Practices. TALE Inmaculada Tomeo-Reyes, Zhuoyu Chen, Chamith Wijenayake, Arash Khatamianfar
2022	C	`conf`	A Mostly-Online CAS Teaching Experience. ISCAS Chamith Wijenayake, Kithmin Wickremasinghe, G. Abarajithan, Arjuna Madanayake, Chamira U. S. Edussooriya, K. Samarasinghe
2022	C	`conf`	Weighted Least-Squares Design of 2-D IIR Filters with Arbitrary Frequency Response using Iterative Second-Order Cone Programming. ISCAS Darukeesan Pakiyarajah, Nadeeshan D. K. Dissanayake, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
2021	C	`conf`	Acquisition of High Bandwidth Signals by Sampling an Analog Chromatic Derivatives Filterbank. ISCAS Amir Antonir, Chamith Wijenayake, Aleksandar Ignjatovic
2021	C	`conf`	Improving the Attenuation of Moving Interfering Objects in Videos Using Shifted-Velocity Filtering. ISCAS Chamira U. S. Edussooriya, Dileepa Marasinghe, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
2021	—	`conf`	Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic. TALE Chamith Wijenayake, Matthew D'Souza, Arash Khatamianfar, Konstanty Bialkowski, Montserrat Ros, Peter Sutton
2021	J	`jnl`	Multi-Volumetric Refocusing of Light Fields. IEEE Signal Process. Lett. Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Panajotis Agathoklis, Len T. Bruton
2021	J	`jnl`	Real-Time Light Field Signal Processing Using 4D/5D Linear Digital Filter FPGA Circuits. IEEE Trans. Circuits Syst. II Express Briefs Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake, Namalka Liyanage, Sanduni U. Premaratne, John T. Vorhies, Donald G. Dansereau, Pan Agathoklis, Len T. Bruton
2021	C	`conf`	WLS Design of M-D Complex-Coefficient FIR Filters with Low Group Delay Using Second-Order Cone Programming. ISCAS Darukeesan Pakiyarajah, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
2021	J	`jnl`	Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement. Multidimens. Syst. Signal Process. Sai K. Gullapalli, Chamira U. S. Edussooriya, Chamith Wijenayake, Donald G. Dansereau, Len T. Bruton, Arjuna Madanayake
2020	J	`jnl`	An Adaptive Denoising Algorithm for Improving Frequency Estimation and Tracking. IEEE Trans. Circuits Syst. II Express Briefs Chamith Wijenayake, Amir Antonir, Gabriele Keller, Aleksandar Ignjatovic
2020	C	`conf`	Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT. ISCAS Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Renato J. Cintra, Eliathamby Ambikairajah
2020	C	`conf`	Making Sense of Occluded Scenes using Light Field Pre-processing and Deep-learning. TENCON Namalka Liyanage, Kalana Abeywardena, Sakila S. Jayaweera, Chamith Wijenayake, Chamira U. S. Edussooriya, Suranga Seneviratne
2020	C	`conf`	Minimax Design of 2-D Complex-Coefficient FIR Filters with Low Group Delay using Semidefinite Programming. ISCAS Ashira L. Jayaweera, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
2020	J	`jnl`	Multi-depth filtering and occlusion suppression in 4-D light fields: Algorithms and architectures. Signal Process. Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Len T. Bruton, Eliathamby Ambikairajah
2020	J	`jnl`	Real-Time Light Field Denoising Using a Novel Linear 4-D Hyperfan Filter. IEEE Trans. Circuits Syst. I Regul. Pap. Sanduni U. Premaratne, Namalka Liyanage, Chamira U. S. Edussooriya, Chamith Wijenayake
2019	J	`jnl`	Classifying IoT Devices in Smart Environments Using Network Traffic Characteristics. IEEE Trans. Mob. Comput. Arunan Sivanathan, Hassan Habibi Gharakheili, Franco Loi, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman
2019	J	`jnl`	Design and Implementation of 5-D IIR Depth Velocity Filters for Light Field Video Processing. IEEE Trans. Circuits Syst. II Express Briefs Chamith Wijenayake, Namalka Liyanage, Chamira U. S. Edussooriya, H. Seatang, Panajotis Agathoklis, Leonard T. Bruton
2019	C	`conf`	Low-Complexity Wideband Transmit Array using Variable-Precision 2-D Sparse FIR Digital Filters. ISCAS Chamira U. S. Edussooriya, Chamith Wijenayake, Sravan Kumar Pulipati, Arjuna Madanayake, Leonard T. Bruton
2019	J	`jnl`	On reconstruction of bandlimited signals from purely timing information. Signal Process. Chamith Wijenayake, Aleksandar Ignjatovic, Gabriele Keller
2019	Misc	`conf`	Phoneme Specific Modelling and Scoring Techniques for Anti Spoofing System. ICASSP Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
2019	C	`conf`	Reduced-Complexity Depth Filtering and Occlusion Suppression using Modulated-Sparse Light Fields. ISCAS Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Eliathamby Ambikairajah
2018	—	`conf`	A 4-D Sparse FIR Hyperfan Filter for Volumetric Refocusing of Light Fields by Hard Thresholding. DSP Sanduni U. Premaratne, Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
2018	J	`jnl`	Chromatic Derivatives and Approximations in Practice - Part I: A General Framework. IEEE Trans. Signal Process. Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller
2018	J	`jnl`	Chromatic Derivatives and Approximations in Practice - Part II: Nonuniform Sampling, Zero-Crossings Reconstruction, and Denoising. IEEE Trans. Signal Process. Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller
2018	—	`conf`	Concept-Focused in-Class Demonstrations for Teaching Embedded System Design in Large Classes. TALE Chamith Wijenayake, Will Gilbert, Simon Van Winden, Beena Ahmed
2018	C	`conf`	Low-Complexity 4-D IIR Filters for Multi-Depth Filtering and Occlusion Suppression in Light Fields. ISCAS Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Eliathamby Ambikairajah, Len T. Bruton
2018	A	`conf`	Modulation Dynamic Features for the Detection of Replay Attacks. INTERSPEECH Gajan Suthokumar, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
2018	J	`jnl`	Signal recovery algorithm for 2-level amplitude sampling using chromatic signal approximations. Signal Process. Chamith Wijenayake, Jarryd Scutts, Aleksandar Ignjatovic
2018	—	`conf`	Use of Claimed Speaker Models for Replay Detection. APSIPA Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah, Haizhou Li
2017	—	`conf`	A flipped mode approach to teaching an electronic system design course. TALE Ediz Cetin, Chamith Wijenayake, Vidhyasaharan Sethu, Eliathamby Ambikairajah
2017	—	`conf`	All-Pass Filter Based Synthesis of Multifunctional Microwave Active Circuits. VTC Spring Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski, Brent Maundy, Len T. Bruton, Ahmed S. Elwakil
2017	J	`jnl`	Applications of RF aperture-array spatially-bandpass 2-D IIR filters in sub-Nyquist spectrum sensing, wideband doppler radar and radio astronomy beamforming. Multidimens. Syst. Signal Process. Arjuna Madanayake, Tharindu Randeny, Nilan Udayanga, Arindam Sengupta, Glenn Jones, Chamith Wijenayake, Len T. Bruton
2017	—	`conf`	Characterizing and classifying IoT traffic in smart cities and campuses. INFOCOM Workshops Arunan Sivanathan, Daniel Sherratt, Hassan Habibi Gharakheili, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman
2017	A	`conf`	Independent Modelling of High and Low Energy Speech Frames for Spoofing Detection. INTERSPEECH Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
2017	—	`conf`	Multidimensional spatio-temporal filters for depth-velocity filtering in light field videos. ICIIS Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
2016	C	`conf`	Linear RF apertures using 2-D analog beam filters. ISCAS Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton
2015	—	`conf`	Continuous-time 2-D IIR+time-delay linear aperture arrays. RWS Arjuna Madanayake, Chamith Wijenayake, Leonid Belostotski
2015	J	`jnl`	Digital VLSI architectures for beam-enhanced RF aperture arrays. IEEE Trans. Aerosp. Electron. Syst. Sewwandi Wijayaratna, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton
2015	—	`conf`	FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing. MWSCAS Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake
2015	C	`conf`	Increasing SINR of microwave Applebaum adaptive arrays using analog 2D-IIR space-time network-resonant beam filters. ICICS Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton
2015	J	`jnl`	Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology. Multidimens. Syst. Signal Process. Randeel Wimalagunarathne, Chamith Wijenayake, Arjuna Madanayake, Donald G. Dansereau, Len T. Bruton
2015	C	`conf`	Recent advances in multidimensional systems and signal processing: An overview. ISCAS Arjuna Madanayake, Chamith Wijenayake, Zhiping Lin, Nathan Dornback
2015	C	`conf`	Tunable multiband RF CMOS active filter arrays. ISCAS Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski
2014	J	`jnl`	All-Pass Filter-Based 2-D IIR Filter-Enhanced Beamformers for AESA Receivers. IEEE Trans. Circuits Syst. I Regul. Pap. Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton
2014	—	`conf`	Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications. MWSCAS Arjuna Madanayake, Sewwandi Wijayaratna, Chamith Wijenayake
2014	C	`conf`	Directional cyclostationary feature detectors using 2-D IIR RF spiral-antenna beam digital filters. ISCAS Arjuna Madanayake, Nilan Udayanga, Chamith Wijenayake, Mohammad Almalkawi, Vijay Kumar Devabhaktuni
2014	J	`jnl`	Electronically scanned RF-to-bits beam aperture arrays using 2-D IIR spatially bandpass digital filters. Multidimens. Syst. Signal Process. Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Mohammad Almalkawi, Leonid Belostotski, Len T. Bruton, Vijay Kumar Devabhaktuni
2014	C	`conf`	Hexagonal multi-beam analog RF aperture array. ISCAS Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton
2013	C	`conf`	A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS. ISCAS Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Len T. Bruton
2013	C	`conf`	DOA-estimation and source-localization in CR-networks using steerable 2-D IIR beam filters. ISCAS Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton, Vijay Kumar Devabhaktuni
2013	J	`jnl`	Space-Time Spectral White Spaces in Cognitive Radio: Theory, Algorithms, and Circuits. IEEE J. Emerg. Sel. Topics Circuits Syst. Chamith Wijenayake, Arjuna Madanayake, John Kota, Len T. Bruton
2012	J	`jnl`	Continuous-Time Analog Two-Dimensional IIR Beam Filters. IEEE Trans. Circuits Syst. II Express Briefs Leonard T. Bruton, Arjuna Madanayake, Chamith Wijenayake, Mona Maini
2012	C	`conf`	Directional spectrum sensing using tunable multi-D space-time discrete filters. WOWMOM Arjuna Madanayake, Chamith Wijenayake, Nghi Tran, Todor Cooklev, Sean Victor Hum, Leonard T. Bruton
2012	C	`conf`	Discrete space continuous time 2D delay block using 2D all-pass frequency planar networks. ISCAS Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Leonard T. Bruton
2012	J	`jnl`	RF Analog Beamforming Fan Filters Using CMOS All-Pass Time Delay Approximations. IEEE Trans. Circuits Syst. I Regul. Pap. Chamith Wijenayake, Yongsheng Xu, Arjuna Madanayake, Leonid Belostotski, Leonard T. Bruton
2012	C	`conf`	Teaching freshmen VHDL-based digital design. ISCAS Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Jim Grover, Joan Carletta, Jay L. Adams, Tom T. Hartley, Tokunbo Ogunfunmi
2011	C	`conf`	Analog 2D fan filters from discrete domain transfer functions. ISCAS Arjuna Madanayake, Leonid Belostotski, Chamith Wijenayake, Leonard T. Bruton
2011	—	`conf`	Recent progress on analog/digital VLSI 2D filter circuits for beamforming antenna arrays. nDS Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Len T. Bruton