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Journal Articles
- 2021
[j20]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): 607-631 (2021)- [j19]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: 31-35 (2021) - [j18]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): 2735-2741 (2021) - 2020
- [j17]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) - [j16]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 67-II(1): 172-176 (2020) - [j15]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. 67-I(8): 2693-2706 (2020) - 2019
- [j14]Chamith Wijenayake, Aleksandar Ignjatovic, Gabriele Keller:
On reconstruction of bandlimited signals from purely timing information. Signal Process. 159: 89-92 (2019) - [j13]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 66-II(7): 1267-1271 (2019) - [j12]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): 1745-1759 (2019) - 2018
- [j11]Chamith Wijenayake, Jarryd Scutts, Aleksandar Ignjatovic:
Signal recovery algorithm for 2-level amplitude sampling using chromatic signal approximations. Signal Process. 153: 143-152 (2018) - [j10]Aleksandar Ignjatovic, Chamith Wijenayake, Gabriele Keller:
Chromatic Derivatives and Approximations in Practice - Part I: A General Framework. IEEE Trans. Signal Process. 66(6): 1498-1512 (2018) - [j9]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): 1513-1525 (2018) - 2017
- [j8]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): 1523-1548 (2017) - 2015
- [j7]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): 47-65 (2015) - [j6]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): 1996-2011 (2015) - 2014
- [j5]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): 313-335 (2014) - [j4]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. 61-I(5): 1331-1342 (2014) - 2013
- [j3]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): 640-653 (2013) - 2012
- [j2]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. 59-I(5): 1061-1073 (2012) - [j1]Leonard T. Bruton, Arjuna Madanayake, Chamith Wijenayake, Mona Maini:
Continuous-Time Analog Two-Dimensional IIR Beam Filters. IEEE Trans. Circuits Syst. II Express Briefs 59-II(7): 419-423 (2012)
Conference and Workshop Papers
- 2024
- [c43]Pathmapirian Nanthakumar, Chamira U. S. Edussooriya, Chamith Wijenayake, Arjuna Madanayake:
Minimax Design of M-D Interpolated FIR Filters using Convex-Concave Procedure. ISCAS 2024: 1-5 - [c42]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: 1-5 - 2023
- [c41]Pathmapirian Nanthakumar, Chamith Wijenayake, Chamira U. S. Edussooriya, Arjuna Madanayake:
Combined Approximate Transforms and Approximate Computing for Low-Complexity Multibeam Arrays. ISCIT 2023: 145-150 - [c40]Inmaculada Tomeo-Reyes, Zhuoyu Chen, Chamith Wijenayake, Arash Khatamianfar:
Investigating Different Approaches on Online Laboratory Practices. TALE 2023: 1-8 - [c39]Zhaofeng Zhong, Chamith Wijenayake, Chamira U. S. Edussooriya:
Exploring the Performance of Generative AI Tools in Electrical Engineering Education. TALE 2023: 1-6 - 2022
- [c38]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: 1-5 - [c37]Chamith Wijenayake, K. Wickremasinghe, G. Abarajithan, Arjuna Madanayake, Chamira U. S. Edussooriya, K. Samarasinghe:
A Mostly-Online CAS Teaching Experience. ISCAS 2022: 1783-1787 - 2021
- [c36]Amir Antonir, Chamith Wijenayake, Aleksandar Ignjatovic:
Acquisition of High Bandwidth Signals by Sampling an Analog Chromatic Derivatives Filterbank. ISCAS 2021: 1-5 - [c35]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: 1-5 - [c34]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: 1-5 - [c33]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: 1051-1056 - 2020
- [c32]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: 1-5 - [c31]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: 1-5 - [c30]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: 538-543 - 2019
- [c29]Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah:
Phoneme Specific Modelling and Scoring Techniques for Anti Spoofing System. ICASSP 2019: 6106-6110 - [c28]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: 1-5 - [c27]Namalka Liyanage, Chamith Wijenayake, Chamira U. S. Edussooriya, Eliathamby Ambikairajah:
Reduced-Complexity Depth Filtering and Occlusion Suppression using Modulated-Sparse Light Fields. ISCAS 2019: 1-5 - 2018
- [c26]Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah, Haizhou Li:
Use of Claimed Speaker Models for Replay Detection. APSIPA 2018: 1038-1046 - [c25]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. DSP 2018: 1-5 - [c24]Gajan Suthokumar, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah:
Modulation Dynamic Features for the Detection of Replay Attacks. INTERSPEECH 2018: 691-695 - [c23]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: 1-5 - [c22]Chamith Wijenayake, Will Gilbert, Simon Van Winden, Beena Ahmed:
Concept-Focused in-Class Demonstrations for Teaching Embedded System Design in Large Classes. TALE 2018: 1133-1137 - 2017
- [c21]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: 1-6 - [c20]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: 559-564 - [c19]Gajan Suthokumar, Kaavya Sriskandaraja, Vidhyasaharan Sethu, Chamith Wijenayake, Eliathamby Ambikairajah:
Independent Modelling of High and Low Energy Speech Frames for Spoofing Detection. INTERSPEECH 2017: 2606-2610 - [c18]Ediz Cetin, Chamith Wijenayake, Vidhyasaharan Sethu, Eliathamby Ambikairajah:
A flipped mode approach to teaching an electronic system design course. TALE 2017: 223-228 - [c17]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: 1-4 - 2016
- [c16]Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len T. Bruton:
Linear RF apertures using 2-D analog beam filters. ISCAS 2016: 293-296 - 2015
- [c15]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: 1-5 - [c14]Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake, Peyman Ahmadi, Leonid Belostotski:
Tunable multiband RF CMOS active filter arrays. ISCAS 2015: 1682-1685 - [c13]Arjuna Madanayake, Chamith Wijenayake, Zhiping Lin, Nathan Dornback:
Recent advances in multidimensional systems and signal processing: An overview. ISCAS 2015: 2365-2368 - [c12]Nilan Udayanga, Arjuna Madanayake, Chamith Wijenayake:
FPGA-based network-resonance applebaum adaptive arrays for directional spectrum sensing. MWSCAS 2015: 1-4 - [c11]Arjuna Madanayake, Chamith Wijenayake, Leonid Belostotski:
Continuous-time 2-D IIR+time-delay linear aperture arrays. RWS 2015: 38-40 - 2014
- [c10]Chamith Wijenayake, Arjuna Madanayake, Len T. Bruton:
Hexagonal multi-beam analog RF aperture array. ISCAS 2014: 1680-1683 - [c9]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: 2499-2502 - [c8]Arjuna Madanayake, Sewwandi Wijayaratna, Chamith Wijenayake:
Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications. MWSCAS 2014: 543-546 - 2013
- [c7]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: 65-68 - [c6]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: 1276-1279 - 2012
- [c5]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: 664-667 - [c4]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: 2701-2704 - [c3]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: 1-6 - 2011
- [c2]Arjuna Madanayake, Leonid Belostotski, Chamith Wijenayake, Leonard T. Bruton:
Analog 2D fan filters from discrete domain transfer functions. ISCAS 2011: 1652-1655 - [c1]Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Len T. Bruton:
Recent progress on analog/digital VLSI 2D filter circuits for beamforming antenna arrays. nDS 2011: 1-8
Coauthor Index
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