Panajotis Agathoklis

72 papers B 1C 13Misc 3Journal 38Unranked 17
YearRankTypeTitle / Venue / Authors
2025 J jnl
Canonical State-Space Realization of 3-D Separable Denominator Discrete Systems.
IEEE Access
Apostolos Kanellakis, Ayman Tawfik, Panajotis Agathoklis
2022 J jnl
On the Dynamic Response of the Ideal Paraboloidal Reflector.
IEEE Access
Leonard T. Bruton, Sanduni U. Premaratne, Panajotis Agathoklis
2021 J jnl
Algebraic Necessary and Sufficient Conditions for Testing Stability of 2-D Linear Systems.
IEEE Trans. Autom. Control.
Reza Mohsenipour, Panajotis Agathoklis
2021 J jnl
Improved Design Method for Nearly Linear-Phase IIR Filters Using Constrained Optimization.
J. Circuits Syst. Comput.
Abdussalam Omar, Dale J. Shpak, Panajotis Agathoklis
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 J jnl
Inverse and Direct Solutions of the Discrete Time Lyapunov Equation With System Matrix in Companion Form.
IEEE Access
Apostolos Kanellakis, Ayman Tawfik, Panajotis Agathoklis
2021 J jnl
Light field editing in the gradient domain.
IET Image Process.
Ioana S. Sevcenco, Panajotis Agathoklis
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
2020 — conf
Analysis of Optimization Algorithms for Non-Uniform Filter Bank Design.
LASCAS
Ahmed ElGarewi, Iman Moazzen, Panajotis Agathoklis
2020 C conf
Stability Testing of 2D Filters Based on Tschebyscheff Polynomials and Generalized Eigenvalues.
ISCAS
Frantisek J. Kraus, Panajotis Agathoklis
2019 J jnl
A 3-D Sparse FIR Frustum Filter for Enhancing Broadband Plane Waves.
IEEE Trans. Circuits Syst. II Express Briefs
Ravi Tharaka Wijesekara, Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
2019 J jnl
Decimator systolic arrays design space exploration for multirate signal processing applications.
IET Circuits Devices Syst.
Mohammed Shoukry, Fayez Gebali, Panajotis Agathoklis
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 — conf
High Performance Implementation of Nested Array Beamformer for Wideband Radar Applications.
PACRIM
Mohammed Shoukry, Fayez Gebali, Panajotis Agathoklis
2019 J jnl
Systolic array design space exploration of interpolators for multi-rate systems.
IET Circuits Devices Syst.
Mohammed Shoukry, Fayez Gebali, Panajotis Agathoklis
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
Array signal processing and systems.
Multidimens. Syst. Signal Process.
Bin Liao, Arjuna Madanayake, Panajotis Agathoklis
2018 J jnl
Mixed microwave-digital and multi-rate approach for wideband beamforming applications using 2-D IIR beam filters and nested uniform linear arrays.
Multidimens. Syst. Signal Process.
Viduneth Ariyarathna, Arjuna Madanayake, Panajotis Agathoklis, Len T. Bruton
2018 — conf
Network Event Classification for Security of IT Infrastructure.
AINA Workshops
Deepali Arora, Panajotis Agathoklis, Alex Loffler
2017 — conf
A low-complexity 2-D spatially-interpolated FIR trapezoidal filter for enhancing broadband plane waves.
nDS
Ravi Tharaka Wijesekara, Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
2017 J jnl
A novel 5-D depth-velocity filter for enhancing noisy light field videos.
Multidimens. Syst. Signal Process.
Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
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
2017 J jnl
Velocity filtering for attenuating moving artifacts in videos using an ultra-low complexity 3-D linear-phase IIR filter.
Multidimens. Syst. Signal Process.
Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
2016 J jnl
A Multistage Space-Time Equalizer for Blind Source Separation.
Circuits Syst. Signal Process.
Iman Moazzen, Panajotis Agathoklis
2016 J jnl
Multi-Exposure and Multi-Focus Image Fusion in Gradient Domain.
J. Circuits Syst. Comput.
Sujoy Paul, Ioana S. Sevcenco, Panajotis Agathoklis
2015 C conf
A 5-D IIR depth-velocity filter for enhancing objects moving on linear-trajectories in light field videos.
ISCAS
Chamira U. S. Edussooriya, Leonard T. Bruton, Panajotis Agathoklis
2015 J jnl
A wavelet based method for image reconstruction from gradient data with applications.
Multidimens. Syst. Signal Process.
Ioana S. Sevcenco, Peter J. Hampton, Panajotis Agathoklis
2015 — conf
Design of filterbanks using a fast optimization approach.
LASCAS
Iman Moazzen, Panajotis Agathoklis
2015 — conf
Enhancing Moving Objects in light field videos using 5-D IIR adaptive depth-velocity filters.
PACRIM
Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
2015 J jnl
Five-Dimensional Depth-Velocity Filtering for Enhancing Moving Objects in Light Field Videos.
IEEE Trans. Signal Process.
Chamira U. S. Edussooriya, Donald G. Dansereau, Len T. Bruton, Panajotis Agathoklis
2015 — conf
Implementation and performance analysis of 3-D cone and frustum filters.
PACRIM
Hussam Shubayli, Chamira U. S. Edussooriya, Iman Moazzen, Panajotis Agathoklis, Len T. Bruton
2015 — conf
Video editing in the gradient domain using a wavelet based 3-D reconstruction algorithm and an iterative Poisson solver.
PACRIM
Ioana S. Sevcenco, Panajotis Agathoklis
2014 Misc conf
A low-complexity 3D spatio-temporal FIR filter for enhancing linear trajectory signals.
ICASSP
Chamira U. S. Edussooriya, Len T. Bruton, Panajotis Agathoklis
2014 J jnl
Using 1-D Variable Fractional-Delay Filters to Reduce the Computational Complexity of 3-D Broadband Multibeam Beamformers.
IEEE Trans. Circuits Syst. II Express Briefs
Chamira U. S. Edussooriya, Len T. Bruton, Mehdi Ataei Naeini, Panajotis Agathoklis
2013 C conf
An approach for joint blind space-time equalization and DOA estimation.
ISCAS
Iman Moazzen, Panajotis Agathoklis
2013 — conf
Analysis of a broadband beamformer based on trapezoidal filters and nested arrays.
LASCAS
Iman Moazzen, Panajotis Agathoklis
2013 J jnl
Efficient Implementation of Broadband Beamformers Using Nested Hexagonal Arrays and Frustum Filters.
IEEE Trans. Signal Process.
Iman Moazzen, Panajotis Agathoklis
2013 J jnl
Low-Complexity Maximally-Decimated Multirate 3-D Spatio-Temporal FIR Cone and Frustum Filters.
IEEE Trans. Circuits Syst. I Regul. Pap.
Chamira U. S. Edussooriya, Leonard T. Bruton, Panajotis Agathoklis, Thushara K. Gunaratne
2012 C conf
Broadband beamfoming using Nested Planar Arrays and 3D FIR frustum filters.
ISCAS
Iman Moazzen, Panajotis Agathoklis
2011 J jnl
A Method for Face Recognition Using Image Registration.
J. Circuits Syst. Comput.
Steven Gillan, Panajotis Agathoklis
2009 J jnl
Beamforming technique to solve the hidden beam problem in wireless communication systems.
IET Commun.
Deepali Arora, Panajotis Agathoklis
2007 J jnl
Flexible Triangle Search Algorithm for Block-Based Motion Estimation.
EURASIP J. Adv. Signal Process.
Mohamed M. Rehan, Panajotis Agathoklis, Andreas Antoniou
2006 J jnl
A Subspace Multiuser Beamforming Algorithm for the Downlink in Mobile Communications.
IEEE Trans. Circuits Syst. II Express Briefs
Nanyan Y. Wang, Panajotis Agathoklis, Andreas Antoniou
2006 J jnl
A new DOA estimation technique based on subarray beamforming.
IEEE Trans. Signal Process.
Nanyan Y. Wang, Panajotis Agathoklis, Andreas Antoniou
2006 C conf
An FPGA implementation of the flexible triangle search algorithm for block based motion estimation.
ISCAS
Mohamed M. Rehan, M. Watheq El-Kharashi, Panajotis Agathoklis, Fayez Gebali
2006 J jnl
Performance and computational complexity optimization in configurable hybrid video coding system.
IEEE Trans. Circuits Syst. Video Technol.
David N. Kwon, Peter F. Driessen, Andrea Basso, Panajotis Agathoklis
2006 — conf
Prediction-Based Flexible Triangle Search Algorithm for Block Based Motion Estimation.
CCECE
Mohamed M. Rehan, Panajotis Agathoklis
2006 — conf
Quality of service oriented scheduling algorithms for a cross-layer downlink wireless system.
ICASSP (4)
Deepali Arora, Panajotis Agathoklis
2005 J jnl
Analysis of beamformer configurations for DS-CDMA systems.
IEEE Trans. Signal Process.
Nanyan Y. Wang, Panajotis Agathoklis, Andreas Antoniou
2005 — conf
Multiuser scheduling for downlink in multi-antenna wireless systems.
ISCAS (2)
Deepali Arora, Panajotis Agathoklis
2005 — conf
Pilot-aided DOA estimation for CDMA communication systems.
ISCAS (2)
Nanyan Y. Wang, Panajotis Agathoklis, Andreas Antoniou
2004 — conf
A subspace multiuser beamforming algorithm for downlink in mobile communication systems.
ISCAS (3)
Nanyan Y. Wang, Panajotis Agathoklis, Andreas Antoniou
2003 B conf
Performance and computational complexity optimization in a configurable video coding system.
WCNC
David N. Kwon, Panajotis Agathoklis, Peter F. Driessen
2001 Misc conf
Design of linear phase IIR filters via weighted least-squares approximation.
ICASSP
Chengshan Xiao, Jan C. Olivier, Panajotis Agathoklis
1998 J jnl
Efficient lattice realizations of adaptive IIR algorithms.
IEEE Trans. Signal Process.
Sergio L. Netto, Panajotis Agathoklis
1998 — conf
Image compression using a mixed-transform technique and vector quantization.
ICECS
I. Singh, Panajotis Agathoklis, Andreas Antoniou
1997 J jnl
New Realization and Implementation of Fixed-Point IIR Digital Filters.
J. Circuits Syst. Comput.
A. Tawfik, Fayez El Guibaly, Panajotis Agathoklis
1997 J jnl
On the Positive Definite Solutions to the 2-D Continuous-time Lyapunov Equation.
Multidimens. Syst. Signal Process.
Chengshan Xiao, Panajotis Agathoklis, David J. Hill
1996 J jnl
A note on the orthogonal realization of allpass digital filters and their finite wordlength performance.
IEEE Trans. Signal Process.
Apostolos Kanellakis, Panajotis Agathoklis, Ayman Tawfik
1995 C conf
New IIR Digital Filter Realizations Using Residue-Feedback.
ISCAS
A. Tawfik, Panajotis Agathoklis, Fayez El Guibaly
1995 J jnl
New low roundoff noise realizations of second-order digital filter sections.
IEEE Trans. Signal Process.
A. Tawfik, Panajotis Agathoklis, Fayez El Guibaly
1995 C conf
On Stability and the Lyapunov Equation for n-Dimensional Digital Systems.
ISCAS
Chengshan Xiao, David J. Hill, Panajotis Agathoklis
1994 C conf
A Homotopy Continuation Mapping for the Steiglitz-McBride Adaptive Algorithm.
ISCAS
Sergio L. Netto, Panajotis Agathoklis
1994 C conf
A New Digital Filter Structure Generated by the Schwarz Matrix Form.
ISCAS
Apostolos Kanellakis, Panajotis Agathoklis
1994 C conf
Estimation of the Stability Margin of 2-D State-Space Discrete Systems.
ISCAS
Panajotis Agathoklis, Apostolos Kanellakis
1994 C conf
Floating-Point Roundoff Noise Analysis of 2-D State-Space Digital Filters.
ISCAS
Apostolos Kanellakis, Panajotis Agathoklis
1994 C conf
VLSI Array Processors Implementation of Block-State IIR Digital Filtentrs.
ISCAS
A. Tawfik, Fayez El Guibaly, Panajotis Agathoklis
1993 J jnl
The double bilinear transformation for 2-D systems in state-space description.
IEEE Trans. Signal Process.
Panajotis Agathoklis
1991 J jnl
Algebraic necessary and sufficient conditions for the very strict Hurwitz property of a 2-D polynomial.
Multidimens. Syst. Signal Process.
Panajotis Agathoklis, Eliahu Ibrahim Jury, Mohamed Mansour
1990 J jnl
Recursive implementation of 2-D finite memory filters.
Signal Process.
Panajotis Agathoklis, S. Foda
1989 J jnl
Conditions for the 2-D characteristic polynomial of a matrix to be very strict Hurwitz.
IEEE Trans. Acoust. Speech Signal Process.
Panajotis Agathoklis
1988 Misc conf
Conditions for the 2-D characteristic polynomial of a matrix to be very strict Hurwitz.
ICASSP
Panajotis Agathoklis