Conditions for the 2-D characteristic polynomial of a matrix to be very strict Hurwitz. - Panajotis Agathoklis (IEEE Trans. Acoust. Speech Signal Process., 1989)

Recursive implementation of 2-D finite memory filters. - Panajotis Agathoklis; S. Foda (Signal Process., 1990)

Algebraic necessary and sufficient conditions for the very strict Hurwitz property of a 2-D polynomial. - Panajotis Agathoklis; Eliahu Ibrahim Jury; Mohamed Mansour (Multidimens. Syst. Signal Process., 1991)

Comments on "orthogonal realization of first-order allpass filters for two-dimensional signals". - Pan Agathoklis (Multidimens. Syst. Signal Process., 1993)

The double bilinear transformation for 2-D systems in state-space description. - Panajotis Agathoklis (IEEE Trans. Signal Process., 1993)

Estimation of the Stability Margin of 2-D State-Space Discrete Systems. - Panajotis Agathoklis; A. Kanellakis (ISCAS, 1994)

Floating-Point Roundoff Noise Analysis of 2-D State-Space Digital Filters. - A. Kanellakis; Panajotis Agathoklis (ISCAS, 1994)

A New Digital Filter Structure Generated by the Schwarz Matrix Form. - A. Kanellakis; Panajotis Agathoklis (ISCAS, 1994)

A Homotopy Continuation Mapping for the Steiglitz-McBride Adaptive Algorithm. - Sergio L. Netto; Panajotis Agathoklis (ISCAS, 1994)

VLSI Array Processors Implementation of Block-State IIR Digital Filtentrs. - A. Tawfik; Fayez El Guibaly; Panajotis Agathoklis (ISCAS, 1994)

New IIR Digital Filter Realizations Using Residue-Feedback. - A. Tawfik; Panajotis Agathoklis; Fayez El Guibaly (ISCAS, 1995)

On Stability and the Lyapunov Equation for n-Dimensional Digital Systems. - Chengshan Xiao; David J. Hill 001; Panajotis Agathoklis (ISCAS, 1995)

New low roundoff noise realizations of second-order digital filter sections. - A. Tawfik; Panajotis Agathoklis; Fayez El Guibaly (IEEE Trans. Signal Process., 1995)

Lossless compression of bathymetric data using an improved nonlinear discrete wavelet transform. - I. Singh; Pan Agathoklis; Andreas Antoniou (ICECS, 1996)

The use of model reduction techniques for designing IIR filters with linear phase in the passband. - Stephen Holford; Pan Agathoklis (IEEE Trans. Signal Process., 1996)

A note on the orthogonal realization of allpass digital filters and their finite wordlength performance. - A. Kanellakis; Panajotis Agathoklis; A. Tawfik (IEEE Trans. Signal Process., 1996)

New Realization and Implementation of Fixed-Point IIR Digital Filters. - A. Tawfik; Fayez El Guibaly; Panajotis Agathoklis (J. Circuits Syst. Comput., 1997)

On the Positive Definite Solutions to the 2-D Continuous-time Lyapunov Equation. - Chengshan Xiao; Panajotis Agathoklis; David J. Hill 001 (Multidimens. Syst. Signal Process., 1997)

Image compression using a mixed-transform technique and vector quantization. - I. Singh; Panajotis Agathoklis; Andreas Antoniou (ICECS, 1998)

Efficient lattice realizations of adaptive IIR algorithms. - Sergio L. Netto; Panajotis Agathoklis (IEEE Trans. Signal Process., 1998)

An efficiency enhanced isosurface generation algorithm for volume visualization. - Jianping Li; Pan Agathoklis (Vis. Comput., 1998)

Design of 3-D Noncausal Filters with Small Roundoff Noise and No Overflow Oscillations. - Chengshan Xiao; Anastasios N. Venetsanopoulos; Pan Agathoklis (Multidimens. Syst. Signal Process., 1999)

A modified dithered signed-error constant-modulus algorithm for blind adaptive equalizer. - A. Tawfik; Esam Abdel-Raheem; Pan Agathoklis (ICECS, 2000)

Design of linear phase IIR filters via weighted least-squares approximation. - Chengshan Xiao; Jan C. Olivier; Panajotis Agathoklis (ICASSP, 2001)

Performance and computational complexity optimization in a configurable video coding system. - David N. Kwon; Panajotis Agathoklis; Peter F. Driessen (WCNC, 2003)

A subspace multiuser beamforming algorithm for downlink in mobile communication systems. - Nanyan Y. Wang; Panajotis Agathoklis; Andreas Antoniou (ISCAS (3), 2004)

Multiuser scheduling for downlink in multi-antenna wireless systems. - Deepali Arora; Panajotis Agathoklis (ISCAS (2), 2005)

Pilot-aided DOA estimation for CDMA communication systems. - Nanyan Y. Wang; Panajotis Agathoklis; Andreas Antoniou (ISCAS (2), 2005)

Analysis of beamformer configurations for DS-CDMA systems. - Nanyan Y. Wang; Panajotis Agathoklis; Andreas Antoniou (IEEE Trans. Signal Process., 2005)

Prediction-Based Flexible Triangle Search Algorithm for Block Based Motion Estimation. - Mohamed M. Rehan; Panajotis Agathoklis (CCECE, 2006)

Quality of service oriented scheduling algorithms for a cross-layer downlink wireless system. - Deepali Arora; Panajotis Agathoklis (ICASSP (4), 2006)

An FPGA implementation of the flexible triangle search algorithm for block based motion estimation. - Mohamed M. Rehan; M. Watheq El-Kharashi; Panajotis Agathoklis; Fayez Gebali (ISCAS, 2006)

A Subspace Multiuser Beamforming Algorithm for the Downlink in Mobile Communications. - Nanyan Y. Wang; Panajotis Agathoklis; Andreas Antoniou (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

Performance and computational complexity optimization in configurable hybrid video coding system. - David N. Kwon; Peter F. Driessen; Andrea Basso 001; Panajotis Agathoklis (IEEE Trans. Circuits Syst. Video Technol., 2006)

A new DOA estimation technique based on subarray beamforming. - Nanyan Y. Wang; Panajotis Agathoklis; Andreas Antoniou (IEEE Trans. Signal Process., 2006)

Flexible Triangle Search Algorithm for Block-Based Motion Estimation. - Mohamed M. Rehan; Panajotis Agathoklis; Andreas Antoniou (EURASIP J. Adv. Signal Process., 2007)

A feature-based image registration technique for images of different scale. - Mohamed S. Yasein; Pan Agathoklis (ISCAS, 2008)

A Wavelet-Based Blind Image Data Embedding Algorithm. - Mohamed S. Yasein; Pan Agathoklis (J. Circuits Syst. Comput., 2008)

A New Wave-Front Reconstruction Method for Adaptive Optics Systems Using Wavelets. - Peter J. Hampton; Pan Agathoklis; Colin Bradley (IEEE J. Sel. Top. Signal Process., 2008)

Beamforming technique to solve the hidden beam problem in wireless communication systems. - Deepali Arora; Panajotis Agathoklis (IET Commun., 2009)

Comparison of Haar wavelet-based and Poisson-based numerical integration techniques. - Peter J. Hampton; Pan Agathoklis (ISCAS, 2010)

Seamless stitching of images based on a Haar wavelet 2D integration method. - Ioana S. Sevcenco; Peter J. Hampton; Pan Agathoklis (DSP, 2011)

A Method for Face Recognition Using Image Registration. - Steven Gillan; Panajotis Agathoklis (J. Circuits Syst. Comput., 2011)

Intelligent Illumination Model-Based Lighting Control. - Michael Fischer 007; Kui Wu 001; Pan Agathoklis (ICDCS Workshops, 2012)

Broadband beamfoming using Nested Planar Arrays and 3D FIR frustum filters. - Iman Moazzen; Panajotis Agathoklis (ISCAS, 2012)

An approach for joint blind space-time equalization and DOA estimation. - Iman Moazzen; Panajotis Agathoklis (ISCAS, 2013)

Analysis of a broadband beamformer based on trapezoidal filters and nested arrays. - Iman Moazzen; Panajotis Agathoklis (LASCAS, 2013)

Low-Complexity Maximally-Decimated Multirate 3-D Spatio-Temporal FIR Cone and Frustum Filters. - Chamira U. S. Edussooriya; Leonard T. Bruton; Panajotis Agathoklis; Thushara K. Gunaratne (IEEE Trans. Circuits Syst. I Regul. Pap., 2013)

Efficient Implementation of Broadband Beamformers Using Nested Hexagonal Arrays and Frustum Filters. - Iman Moazzen; Panajotis Agathoklis (IEEE Trans. Signal Process., 2013)

A low-complexity 3D spatio-temporal FIR filter for enhancing linear trajectory signals. - Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (ICASSP, 2014)

Design of optimal wavelets for detecting impulse noise in speech. - Rajeev C. Nongpiur; Dale J. Shpak; Pan Agathoklis (ICASSP, 2014)

Using 1-D Variable Fractional-Delay Filters to Reduce the Computational Complexity of 3-D Broadband Multibeam Beamformers. - Chamira U. S. Edussooriya; Len T. Bruton; Mehdi Ataei Naeini; Panajotis Agathoklis (IEEE Trans. Circuits Syst. II Express Briefs, 2014)

Wideband mixed microwave-digital 2-D IIR beam filters for nested uniform linear array processing. - Viduneth Ariyarathna; Arjuna Madanayake; Pan Agathoklis; Len T. Bruton (ICICS, 2015)

A 5-D IIR depth-velocity filter for enhancing objects moving on linear-trajectories in light field videos. - Chamira U. S. Edussooriya; Leonard T. Bruton; Panajotis Agathoklis (ISCAS, 2015)

Design of filterbanks using a fast optimization approach. - Iman Moazzen; Panajotis Agathoklis (LASCAS, 2015)

Enhancing Moving Objects in light field videos using 5-D IIR adaptive depth-velocity filters. - Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (PACRIM, 2015)

Video editing in the gradient domain using a wavelet based 3-D reconstruction algorithm and an iterative Poisson solver. - Ioana S. Sevcenco; Panajotis Agathoklis (PACRIM, 2015)

Implementation and performance analysis of 3-D cone and frustum filters. - Hussam Shubayli; Chamira U. S. Edussooriya; Iman Moazzen; Panajotis Agathoklis; Len T. Bruton (PACRIM, 2015)

A wavelet based method for image reconstruction from gradient data with applications. - Ioana S. Sevcenco; Peter J. Hampton; Panajotis Agathoklis (Multidimens. Syst. Signal Process., 2015)

Five-Dimensional Depth-Velocity Filtering for Enhancing Moving Objects in Light Field Videos. - Chamira U. S. Edussooriya; Donald G. Dansereau; Len T. Bruton; Panajotis Agathoklis (IEEE Trans. Signal Process., 2015)

A Multistage Space-Time Equalizer for Blind Source Separation. - Iman Moazzen; Panajotis Agathoklis (Circuits Syst. Signal Process., 2016)

Multi-Exposure and Multi-Focus Image Fusion in Gradient Domain. - Sujoy Paul; Ioana S. Sevcenco; Panajotis Agathoklis (J. Circuits Syst. Comput., 2016)

Multidimensional spatio-temporal filters for depth-velocity filtering in light field videos. - Chamira U. S. Edussooriya; Chamith Wijenayake; Len T. Bruton; Panajotis Agathoklis (ICIIS, 2017)

A low-complexity 2-D spatially-interpolated FIR trapezoidal filter for enhancing broadband plane waves. - Ravi Tharaka Wijesekara; Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (nDS, 2017)

A novel 5-D depth-velocity filter for enhancing noisy light field videos. - Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (Multidimens. Syst. Signal Process., 2017)

Velocity filtering for attenuating moving artifacts in videos using an ultra-low complexity 3-D linear-phase IIR filter. - Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (Multidimens. Syst. Signal Process., 2017)

Network Event Classification for Security of IT Infrastructure. - Deepali Arora; Panajotis Agathoklis; Alex Loffler (AINA Workshops, 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 (DSP, 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 (ISCAS, 2018)

Mixed microwave-digital and multi-rate approach for wideband beamforming applications using 2-D IIR beam filters and nested uniform linear arrays. - Viduneth Ariyarathna; Arjuna Madanayake; Panajotis Agathoklis; Len T. Bruton (Multidimens. Syst. Signal Process., 2018)

Array signal processing and systems. - Bin Liao 001; Arjuna Madanayake; Panajotis Agathoklis (Multidimens. Syst. Signal Process., 2018)

High Performance Implementation of Nested Array Beamformer for Wideband Radar Applications. - Mohammed Shoukry; Fayez Gebali; Panajotis Agathoklis (PACRIM, 2019)

Systolic array design space exploration of interpolators for multi-rate systems. - Mohammed Shoukry; Fayez Gebali; Panajotis Agathoklis (IET Circuits Devices Syst., 2019)

Decimator systolic arrays design space exploration for multirate signal processing applications. - Mohammed Shoukry; Fayez Gebali; Panajotis Agathoklis (IET Circuits Devices Syst., 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)

A 3-D Sparse FIR Frustum Filter for Enhancing Broadband Plane Waves. - Ravi Tharaka Wijesekara; Chamira U. S. Edussooriya; Len T. Bruton; Panajotis Agathoklis (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

Stability Testing of 2D Filters Based on Tschebyscheff Polynomials and Generalized Eigenvalues. - Frantisek J. Kraus; Panajotis Agathoklis (ISCAS, 2020)

Analysis of Optimization Algorithms for Non-Uniform Filter Bank Design. - Ahmed ElGarewi; Iman Moazzen; Panajotis Agathoklis (LASCAS, 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)

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 (ISCAS, 2021)

Inverse and Direct Solutions of the Discrete Time Lyapunov Equation With System Matrix in Companion Form. - Apostolos Kanellakis; Ayman Tawfik; Panajotis Agathoklis (IEEE Access, 2021)

Light field editing in the gradient domain. - Ioana S. Sevcenco; Panajotis Agathoklis (IET Image Process., 2021)

Improved Design Method for Nearly Linear-Phase IIR Filters Using Constrained Optimization. - Abdussalam Omar; Dale J. Shpak; Panajotis Agathoklis (J. Circuits Syst. Comput., 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)

Algebraic Necessary and Sufficient Conditions for Testing Stability of 2-D Linear Systems. - Reza Mohsenipour; Panajotis Agathoklis (IEEE Trans. Autom. Control., 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)

On the Dynamic Response of the Ideal Paraboloidal Reflector. - Leonard T. Bruton; Sanduni U. Premaratne; Panajotis Agathoklis (IEEE Access, 2022)

Canonical State-Space Realization of 3-D Separable Denominator Discrete Systems. - Apostolos Kanellakis; Ayman Tawfik; Panajotis Agathoklis (IEEE Access, 2025)