Chamith Wijenayake

According to our database, Chamith Wijenayake authored at least 63 papers between 2011 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Acquisition and Processing of Chromatic Derivatives using FPGA-based Digital Hardware.

Zhaofeng Zhong, Pathmapirian Nanthakumar, Gabriel Field, Chamira U. S. Edussooriya, Aleksandar Ignjatovic, Chamith Wijenayake

Proceedings of the IEEE International Symposium on Circuits and Systems, 2024

Minimax Design of M-D Interpolated FIR Filters using Convex-Concave Procedure.

Pathmapirian Nanthakumar, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake

Proceedings of the IEEE International Symposium on Circuits and Systems, 2024

2023

Exploring the Performance of Generative AI Tools in Electrical Engineering Education.

Zhaofeng Zhong, Chamith Wijenayake, Chamira U. S. Edussooriya

Proceedings of the IEEE International Conference on Teaching, 2023

Investigating Different Approaches on Online Laboratory Practices.

Inmaculada Tomeo-Reyes, Zhuoyu Chen, Chamith Wijenayake, Arash Khatamianfar

Proceedings of the IEEE International Conference on Teaching, 2023

Combined Approximate Transforms and Approximate Computing for Low-Complexity Multibeam Arrays.

Pathmapirian Nanthakumar, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake

Proceedings of the 22nd International Symposium on Communications and Information Technologies, 2023

2022

A Mostly-Online CAS Teaching Experience.

Chamith Wijenayake, K. Wickremasinghe, G. Abarajithan, Arjuna Madanayake, Chamira U. S. Edussooriya, K. Samarasinghe

Proceedings of the IEEE International Symposium on Circuits and Systems, 2022

Weighted Least-Squares Design of 2-D IIR Filters with Arbitrary Frequency Response using Iterative Second-Order Cone Programming.

Darukeesan Pakiyarajah, Nadeeshan D. K. Dissanayake, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake

Proceedings of the IEEE International Symposium on Circuits and Systems, 2022

2021

Real-Time Light Field Signal Processing Using 4D/5D Linear Digital Filter FPGA Circuits.

Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake, Namalka Liyanage, Sanduni U. Premaratne, John T. Vorhies, Donald G. Dansereau, Pan Agathoklis, Len T. Bruton

IEEE Trans. Circuits Syst. II Express Briefs, 2021

Multi-Volumetric Refocusing of Light Fields.

Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Panajotis Agathoklis, Len T. Bruton

IEEE Signal Process. Lett., 2021

Wave-digital filter circuits for single-chip 4-D light field depth-based enhancement.

Sai K. Gullapalli, Chamira U. S. Edussooriya, Chamith Wijenayake, Donald G. Dansereau, Len T. Bruton, Arjuna Madanayake

Multidimens. Syst. Signal Process., 2021

Managing Hands-on Electrical and Computer Engineering Labs during the COVID-19 Pandemic.

Chamith Wijenayake, Matthew D'Souza, Arash Khatamianfar, Konstanty Bialkowski, Montserrat Ros, Peter Sutton

Proceedings of the 2021 IEEE International Conference on Engineering, 2021

WLS Design of M-D Complex-Coefficient FIR Filters with Low Group Delay Using Second-Order Cone Programming.

Darukeesan Pakiyarajah, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake

Proceedings of the IEEE International Symposium on Circuits and Systems, 2021

Improving the Attenuation of Moving Interfering Objects in Videos Using Shifted-Velocity Filtering.

Chamira U. S. Edussooriya, Dileepa Marasinghe, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis

Proceedings of the IEEE International Symposium on Circuits and Systems, 2021

Acquisition of High Bandwidth Signals by Sampling an Analog Chromatic Derivatives Filterbank.

Amir Antonir, Chamith Wijenayake, Aleksandar Ignjatovic

Proceedings of the IEEE International Symposium on Circuits and Systems, 2021

2020

An Adaptive Denoising Algorithm for Improving Frequency Estimation and Tracking.

Chamith Wijenayake, Amir Antonir, Gabriele Keller, Aleksandar Ignjatovic

IEEE Trans. Circuits Syst. II Express Briefs, 2020

Real-Time Light Field Denoising Using a Novel Linear 4-D Hyperfan Filter.

Sanduni U. Premaratne, Namalka Liyanage, Chamira U. S. Edussooriya, Chamith Wijenayake

IEEE Trans. Circuits Syst. I Regul. Pap., 2020

Multi-depth filtering and occlusion suppression in 4-D light fields: Algorithms and architectures.

Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Len T. Bruton, Eliathamby Ambikairajah

Signal Process., 2020

Making Sense of Occluded Scenes using Light Field Pre-processing and Deep-learning.

Namalka Liyanage, Kalana Abeywardena, Sakila S. Jayaweera, Chamith Wijenayake, Chamira U. S. Edussooriya, Suranga Seneviratne

Proceedings of the 2020 IEEE Region 10 Conference, 2020

Low-Complexity Real-Time Light Field Compression using 4-D Approximate DCT.

Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Renato J. Cintra, Eliathamby Ambikairajah

Proceedings of the IEEE International Symposium on Circuits and Systems, 2020

Minimax Design of 2-D Complex-Coefficient FIR Filters with Low Group Delay using Semidefinite Programming.

Ashira L. Jayaweera, Sakila S. Jayaweera, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake

Proceedings of the IEEE International Symposium on Circuits and Systems, 2020

2019

Classifying IoT Devices in Smart Environments Using Network Traffic Characteristics.

Arunan Sivanathan, Hassan Habibi Gharakheili, Franco Loi, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman

IEEE Trans. Mob. Comput., 2019

Design and Implementation of 5-D IIR Depth Velocity Filters for Light Field Video Processing.

Chamith Wijenayake, Namalka Liyanage, Chamira U. S. Edussooriya, H. Seatang, Panajotis Agathoklis, Leonard T. Bruton

IEEE Trans. Circuits Syst. II Express Briefs, 2019

On reconstruction of bandlimited signals from purely timing information.

Chamith Wijenayake, Aleksandar Ignjatovic, Gabriele Keller

Signal Process., 2019

Reduced-Complexity Depth Filtering and Occlusion Suppression using Modulated-Sparse Light Fields.

Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Eliathamby Ambikairajah

Proceedings of the IEEE International Symposium on Circuits and Systems, 2019

Low-Complexity Wideband Transmit Array using Variable-Precision 2-D Sparse FIR Digital Filters.

Chamira U. S. Edussooriya, Chamith Wijenayake, Sravan Kumar Pulipati, Arjuna Madanayake, Leonard T. Bruton

Proceedings of the IEEE International Symposium on Circuits and Systems, 2019

Phoneme Specific Modelling and Scoring Techniques for Anti Spoofing System.

Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah

Proceedings of the IEEE International Conference on Acoustics, 2019

2018

Chromatic Derivatives and Approximations in Practice - Part II: Nonuniform Sampling, Zero-Crossings Reconstruction, and Denoising.

Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller

IEEE Trans. Signal Process., 2018

Chromatic Derivatives and Approximations in Practice - Part I: A General Framework.

Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller

IEEE Trans. Signal Process., 2018

Signal recovery algorithm for 2-level amplitude sampling using chromatic signal approximations.

Chamith Wijenayake, Jarryd Scutts, Aleksandar Ignjatovic

Signal Process., 2018

Concept-Focused in-Class Demonstrations for Teaching Embedded System Design in Large Classes.

Chamith Wijenayake, Will Gilbert, Simon Van Winden, Beena Ahmed

Proceedings of the IEEE International Conference on Teaching, 2018

Low-Complexity 4-D IIR Filters for Multi-Depth Filtering and Occlusion Suppression in Light Fields.

Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake, Pan Agathoklis, Eliathamby Ambikairajah, Len T. Bruton

Proceedings of the IEEE International Symposium on Circuits and Systems, 2018

Modulation Dynamic Features for the Detection of Replay Attacks.

Gajan Suthokumar, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah

Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

A 4-D Sparse FIR Hyperfan Filter for Volumetric Refocusing of Light Fields by Hard Thresholding.

Sanduni U. Premaratne, Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis

Proceedings of the 23rd IEEE International Conference on Digital Signal Processing, 2018

Use of Claimed Speaker Models for Replay Detection.

Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah, Haizhou Li

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

2017

Applications of RF aperture-array spatially-bandpass 2-D IIR filters in sub-Nyquist spectrum sensing, wideband doppler radar and radio astronomy beamforming.

Arjuna Madanayake, Tharindu Randeny, Nilan Udayanga, Arindam Sengupta, Glenn Jones, Chamith Wijenayake, Len T. Bruton

Multidimens. Syst. Signal Process., 2017

All-Pass Filter Based Synthesis of Multifunctional Microwave Active Circuits.

Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski, Brent Maundy, Len T. Bruton, Ahmed S. Elwakil

Proceedings of the 85th IEEE Vehicular Technology Conference, 2017

A flipped mode approach to teaching an electronic system design course.

Ediz Cetin, Chamith Wijenayake, Vidhyasaharan Sethu, Eliathamby Ambikairajah

Proceedings of the IEEE 6th International Conference on Teaching, 2017

Independent Modelling of High and Low Energy Speech Frames for Spoofing Detection.

Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah

Proceedings of the 18th Annual Conference of the International Speech Communication Association, 2017

Characterizing and classifying IoT traffic in smart cities and campuses.

Arunan Sivanathan, Daniel Sherratt, Hassan Habibi Gharakheili, Adam Radford, Chamith Wijenayake, Arun Vishwanath, Vijay Sivaraman

Proceedings of the 2017 IEEE Conference on Computer Communications Workshops, 2017

Multidimensional spatio-temporal filters for depth-velocity filtering in light field videos.

Chamira U. S. Edussooriya, Chamith Wijenayake, Len T. Bruton, Panajotis Agathoklis

Proceedings of the 2017 IEEE International Conference on Industrial and Information Systems, 2017

2016

Linear RF apertures using 2-D analog beam filters.

Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton

Proceedings of the IEEE International Symposium on Circuits and Systems, 2016

2015

Digital VLSI architectures for beam-enhanced RF aperture arrays.

Sewwandi Wijayaratna, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton

IEEE Trans. Aerosp. Electron. Syst., 2015

Integral form 4-D light field filters using Xilinx FPGAs and 45 nm CMOS technology.

Randeel Wimalagunarathne, Chamith Wijenayake, Arjuna Madanayake, Donald G. Dansereau, Len T. Bruton

Multidimens. Syst. Signal Process., 2015

Continuous-time 2-D IIR+time-delay linear aperture arrays.

Arjuna Madanayake, Chamith Wijenayake, Leonid Belostotski

Proceedings of the 2015 IEEE Radio and Wireless Symposium, 2015

FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing.

Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake

Proceedings of the IEEE 58th International Midwest Symposium on Circuits and Systems, 2015

Tunable multiband RF CMOS active filter arrays.

Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski

Proceedings of the 2015 IEEE International Symposium on Circuits and Systems, 2015

Recent advances in multidimensional systems and signal processing: An overview.

Arjuna Madanayake, Chamith Wijenayake, Zhiping Lin, Nathan Dornback

Proceedings of the 2015 IEEE International Symposium on Circuits and Systems, 2015

Increasing SINR of microwave Applebaum adaptive arrays using analog 2D-IIR space-time network-resonant beam filters.

Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Len T. Bruton

Proceedings of the 10th International Conference on Information, 2015

2014

All-Pass Filter-Based 2-D IIR Filter-Enhanced Beamformers for AESA Receivers.

Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton

IEEE Trans. Circuits Syst. I Regul. Pap., 2014

Electronically scanned RF-to-bits beam aperture arrays using 2-D IIR spatially bandpass digital filters.

Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Mohammad Almalkawi, Leonid Belostotski, Len T. Bruton, Vijay Kumar Devabhaktuni

Multidimens. Syst. Signal Process., 2014

Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications.

Arjuna Madanayake, Sewwandi Wijayaratna, Chamith Wijenayake

Proceedings of the IEEE 57th International Midwest Symposium on Circuits and Systems, 2014

Hexagonal multi-beam analog RF aperture array.

Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton

Proceedings of the IEEE International Symposium on Circuits and Systemss, 2014

Directional cyclostationary feature detectors using 2-D IIR RF spiral-antenna beam digital filters.

Arjuna Madanayake, Nilan Udayanga, Chamith Wijenayake, Mohammad Almalkawi, Vijay Kumar Devabhaktuni

Proceedings of the IEEE International Symposium on Circuits and Systemss, 2014

2013

Space-Time Spectral White Spaces in Cognitive Radio: Theory, Algorithms, and Circuits.

Chamith Wijenayake, Arjuna Madanayake, John Kota, Len T. Bruton

IEEE J. Emerg. Sel. Topics Circuits Syst., 2013

A Steerable DC-1 GHz all-pass filter-Sum RF space-time 2-D beam filter in 65 nm CMOS.

Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Len T. Bruton

Proceedings of the 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), 2013

DOA-estimation and source-localization in CR-networks using steerable 2-D IIR beam filters.

Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton, Vijay Kumar Devabhaktuni

Proceedings of the 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), 2013

2012

RF Analog Beamforming Fan Filters Using CMOS All-Pass Time Delay Approximations.

Chamith Wijenayake, Yongsheng Xu, Arjuna Madanayake, Leonid Belostotski, Leonard T. Bruton

IEEE Trans. Circuits Syst. I Regul. Pap., 2012

Continuous-Time Analog Two-Dimensional IIR Beam Filters.

Leonard T. Bruton, Arjuna Madanayake, Chamith Wijenayake, Mona Maini

IEEE Trans. Circuits Syst. II Express Briefs, 2012

Directional spectrum sensing using tunable multi-D space-time discrete filters.

Arjuna Madanayake, Chamith Wijenayake, Nghi Tran, Todor Cooklev, Sean Victor Hum, Leonard T. Bruton

Proceedings of the 2012 IEEE International Symposium on a World of Wireless, 2012

Discrete space continuous time 2D delay block using 2D all-pass frequency planar networks.

Chamith Wijenayake, Arjuna Madanayake, Yongsheng Xu, Leonid Belostotski, Leonard T. Bruton

Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, 2012

Teaching freshmen VHDL-based digital design.

Arjuna Madanayake, Chamith Wijenayake, Rimesh M. Joshi, Jim Grover, Joan Carletta, Jay L. Adams, Tom T. Hartley, Tokunbo Ogunfunmi

Proceedings of the 2012 IEEE International Symposium on Circuits and Systems, 2012

2011

Recent progress on analog/digital VLSI 2D filter circuits for beamforming antenna arrays.

Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Len T. Bruton

Proceedings of the 7th International Workshop on Multidimensional (nD) Systems, 2011

Analog 2D fan filters from discrete domain transfer functions.

Arjuna Madanayake, Leonid Belostotski, Chamith Wijenayake, Leonard T. Bruton

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2011), 2011