Chamith Wijenayake

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 41

Top Topics

Electrical Engineering

Top Venues

Multidimens. Syst. Signal Process.

Signal Process.

Publications

Pathmapirian Nanthakumar, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
Minimax Design of M-D Interpolated FIR Filters using Convex-Concave Procedure. ISCAS (2024)
Zhaofeng Zhong, Pathmapirian Nanthakumar, Gabriel Field, Chamira U. S. Edussooriya, Aleksandar Ignjatovic, Chamith Wijenayake
Acquisition and Processing of Chromatic Derivatives using FPGA-based Digital Hardware. ISCAS (2024)
Zhaofeng Zhong, Chamith Wijenayake, Chamira U. S. Edussooriya
Exploring the Performance of Generative AI Tools in Electrical Engineering Education. TALE (2023)
Pathmapirian Nanthakumar, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake
Combined Approximate Transforms and Approximate Computing for Low-Complexity Multibeam Arrays. ISCIT (2023)
Inmaculada Tomeo-Reyes, Zhuoyu Chen, Chamith Wijenayake, Arash Khatamianfar
Investigating Different Approaches on Online Laboratory Practices. TALE (2023)
Darukeesan Pakiyarajah, Nadeeshan D. K. Dissanayake, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
Weighted Least-Squares Design of 2-D IIR Filters with Arbitrary Frequency Response using Iterative Second-Order Cone Programming. ISCAS (2022)
Chamith Wijenayake, K. Wickremasinghe, G. Abarajithan, Arjuna Madanayake, Chamira U. S. Edussooriya, K. Samarasinghe
A Mostly-Online CAS Teaching Experience. ISCAS (2022)
Sai K. Gullapalli, Chamira U. S. Edussooriya, Chamith Wijenayake, Donald G. Dansereau, Len T. Bruton, Arjuna Madanayake
Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement. Multidimens. Syst. Signal Process. 32 (2) (2021)
Chamira U. S. Edussooriya, Dileepa Marasinghe, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
Improving the Attenuation of Moving Interfering Objects in Videos Using Shifted-Velocity Filtering. ISCAS (2021)
Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake, Namalka Liyanage, Sanduni U. Premaratne, John T. Vorhies, Donald G. Dansereau, Pan Agathoklis, Len T. Bruton
Real-Time Light Field Signal Processing Using 4D/5D Linear Digital Filter FPGA Circuits. IEEE Trans. Circuits Syst. II Express Briefs 68 (7) (2021)
Amir Antonir, Chamith Wijenayake, Aleksandar Ignjatovic
Acquisition of High Bandwidth Signals by Sampling an Analog Chromatic Derivatives Filterbank. ISCAS (2021)
Darukeesan Pakiyarajah, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
WLS Design of M-D Complex-Coefficient FIR Filters with Low Group Delay Using Second-Order Cone Programming. ISCAS (2021)
Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Panajotis Agathoklis, Len T. Bruton
Multi-Volumetric Refocusing of Light Fields. IEEE Signal Process. Lett. 28 (2021)
Chamith Wijenayake, Matthew D'Souza, Arash Khatamianfar, Konstanty Bialkowski, Montserrat Ros, Peter Sutton
Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic. TALE (2021)
Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Len T. Bruton, Eliathamby Ambikairajah
Multi-depth filtering and occlusion suppression in 4-D light fields: Algorithms and architectures. Signal Process. 167 (2020)
Ashira L. Jayaweera, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake
Minimax Design of 2-D Complex-Coefficient FIR Filters with Low Group Delay using Semidefinite Programming. ISCAS (2020)
Sanduni U. Premaratne, Namalka Liyanage, Chamira U. S. Edussooriya, Chamith Wijenayake
Real-Time Light Field Denoising Using a Novel Linear 4-D Hyperfan Filter. IEEE Trans. Circuits Syst. I Regul. Pap. (8) (2020)
Chamith Wijenayake, Amir Antonir, Gabriele Keller, Aleksandar Ignjatovic
An Adaptive Denoising Algorithm for Improving Frequency Estimation and Tracking. IEEE Trans. Circuits Syst. II Express Briefs (1) (2020)
Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Renato J. Cintra, Eliathamby Ambikairajah
Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT. ISCAS (2020)
Namalka Liyanage, Kalana Abeywardena, Sakila S. Jayaweera, Chamith Wijenayake, Chamira U. S. Edussooriya, Suranga Seneviratne
Making Sense of Occluded Scenes using Light Field Pre-processing and Deep-learning. TENCON (2020)
Chamith Wijenayake, Namalka Liyanage, Chamira U. S. Edussooriya, H. Seatang, Panajotis Agathoklis, Leonard T. Bruton
Design and Implementation of 5-D IIR Depth Velocity Filters for Light Field Video Processing. IEEE Trans. Circuits Syst. II Express Briefs (7) (2019)
Chamira U. S. Edussooriya, Chamith Wijenayake, Sravan Kumar Pulipati, Arjuna Madanayake, Leonard T. Bruton
Low-Complexity Wideband Transmit Array using Variable-Precision 2-D Sparse FIR Digital Filters. ISCAS (2019)
Chamith Wijenayake, Aleksandar Ignjatovic, Gabriele Keller
On reconstruction of bandlimited signals from purely timing information. Signal Process. 159 (2019)
Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Eliathamby Ambikairajah
Reduced-Complexity Depth Filtering and Occlusion Suppression using Modulated-Sparse Light Fields. ISCAS (2019)
Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
Phoneme Specific Modelling and Scoring Techniques for Anti Spoofing System. ICASSP (2019)
Arunan Sivanathan, Hassan Habibi Gharakheili, Franco Loi, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman
Classifying IoT Devices in Smart Environments Using Network Traffic Characteristics. IEEE Trans. Mob. Comput. 18 (8) (2019)
Chamith Wijenayake, Jarryd Scutts, Aleksandar Ignjatovic
Signal recovery algorithm for 2-level amplitude sampling using chromatic signal approximations. Signal Process. 153 (2018)
Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah, Haizhou Li
Use of Claimed Speaker Models for Replay Detection. APSIPA (2018)
Chamith Wijenayake, Will Gilbert, Simon Van Winden, Beena Ahmed
Concept-Focused in-Class Demonstrations for Teaching Embedded System Design in Large Classes. TALE (2018)
Sanduni U. Premaratne, Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
A 4-D Sparse FIR Hyperfan Filter for Volumetric Refocusing of Light Fields by Hard Thresholding. DSL (2018)
Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller
Chromatic Derivatives and Approximations in Practice - Part I: A General Framework. IEEE Trans. Signal Process. 66 (6) (2018)
Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Eliathamby Ambikairajah, Len T. Bruton
Low-Complexity 4-D IIR Filters for Multi-Depth Filtering and Occlusion Suppression in Light Fields. ISCAS (2018)
Gajan Suthokumar, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
Modulation Dynamic Features for the Detection of Replay Attacks. INTERSPEECH (2018)
Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller
Chromatic Derivatives and Approximations in Practice - Part II: Nonuniform Sampling, Zero-Crossings Reconstruction, and Denoising. IEEE Trans. Signal Process. 66 (6) (2018)
Arjuna Madanayake, Tharindu Randeny, Nilan Udayanga, Arindam Sengupta, Glenn Jones, Chamith Wijenayake, Len T. Bruton
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. 28 (4) (2017)
Arunan Sivanathan, Daniel Sherratt, Hassan Habibi Gharakheili, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman
Characterizing and classifying IoT traffic in smart cities and campuses. INFOCOM Workshops (2017)
Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski, Brent Maundy, Len T. Bruton, Ahmed S. Elwakil
All-Pass Filter Based Synthesis of Multifunctional Microwave Active Circuits. VTC Spring (2017)
Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis
Multidimensional spatio-temporal filters for depth-velocity filtering in light field videos. ICIIS (2017)
Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah
Independent Modelling of High and Low Energy Speech Frames for Spoofing Detection. INTERSPEECH (2017)
Ediz Cetin, Chamith Wijenayake, Vidhyasaharan Sethu, Eliathamby Ambikairajah
A flipped mode approach to teaching an electronic system design course. TALE (2017)
Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton
Linear RF apertures using 2-D analog beam filters. ISCAS (2016)
Arjuna Madanayake, Chamith Wijenayake, Leonid Belostotski
Continuous-time 2-D IIR+time-delay linear aperture arrays. RWS (2015)
Randeel Wimalagunarathne, Chamith Wijenayake, Arjuna Madanayake, Donald G. Dansereau, Len T. Bruton
Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology. Multidimens. Syst. Signal Process. 26 (1) (2015)
Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake
FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing. MWSCAS (2015)
Arjuna Madanayake, Chamith Wijenayake, Zhiping Lin, Nathan Dornback
Recent advances in multidimensional systems and signal processing: An overview. ISCAS (2015)
Sewwandi Wijayaratna, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton
Digital VLSI architectures for beam-enhanced RF aperture arrays. IEEE Trans. Aerosp. Electron. Syst. 51 (3) (2015)
Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton
Increasing SINR of microwave Applebaum adaptive arrays using analog 2D-IIR space-time network-resonant beam filters. ICICS (2015)
Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski
Tunable multiband RF CMOS active filter arrays. ISCAS (2015)
Arjuna Madanayake, Sewwandi Wijayaratna, Chamith Wijenayake
Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications. MWSCAS (2014)
Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton
Hexagonal multi-beam analog RF aperture array. ISCAS (2014)
Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton
All-Pass Filter-Based 2-D IIR Filter-Enhanced Beamformers for AESA Receivers. IEEE Trans. Circuits Syst. I Regul. Pap. (5) (2014)
Arjuna Madanayake, Nilan Udayanga, Chamith Wijenayake, Mohammad Almalkawi, Vijay Kumar Devabhaktuni
Directional cyclostationary feature detectors using 2-D IIR RF spiral-antenna beam digital filters. ISCAS (2014)
Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Mohammad Almalkawi, Leonid Belostotski, Len T. Bruton, Vijay Kumar Devabhaktuni
Electronically scanned RF-to-bits beam aperture arrays using 2-D IIR spatially bandpass digital filters. Multidimens. Syst. Signal Process. 25 (2) (2014)
Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Len T. Bruton
A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS. ISCAS (2013)
Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton, Vijay Kumar Devabhaktuni
DOA-estimation and source-localization in CR-networks using steerable 2-D IIR beam filters. ISCAS (2013)
Chamith Wijenayake, Arjuna Madanayake, John Kota, Len T. Bruton
Space-Time Spectral White Spaces in Cognitive Radio: Theory, Algorithms, and Circuits. IEEE J. Emerg. Sel. Topics Circuits Syst. 3 (4) (2013)
Arjuna Madanayake, Chamith Wijenayake, Nghi Tran, Todor Cooklev, Sean Victor Hum, Leonard T. Bruton
Directional spectrum sensing using tunable multi-D space-time discrete filters. WOWMOM (2012)
Leonard T. Bruton, Arjuna Madanayake, Chamith Wijenayake, Mona Maini
Continuous-Time Analog Two-Dimensional IIR Beam Filters. IEEE Trans. Circuits Syst. II Express Briefs (7) (2012)
Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Jim Grover, Joan Carletta, Jay L. Adams, Tom T. Hartley, Tokunbo Ogunfunmi
Teaching freshmen VHDL-based digital design. ISCAS (2012)
Chamith Wijenayake, Yongsheng Xu, Arjuna Madanayake, Leonid Belostotski, Leonard T. Bruton
RF Analog Beamforming Fan Filters Using CMOS All-Pass Time Delay Approximations. IEEE Trans. Circuits Syst. I Regul. Pap. (5) (2012)
Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Leonard T. Bruton
Discrete space continuous time 2D delay block using 2D all-pass frequency planar networks. ISCAS (2012)
Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Len T. Bruton
Recent progress on analog/digital VLSI 2D filter circuits for beamforming antenna arrays. nDS (2011)
Arjuna Madanayake, Leonid Belostotski, Chamith Wijenayake, Leonard T. Bruton
Analog 2D fan filters from discrete domain transfer functions. ISCAS (2011)