• 345 Citations
  • 9 h-Index
1986 …2019
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Research Output 1986 2019

1993

Nonlinear observers. An application to the spread of an epidemic

Mentzelopoulou, S., Antoniou, G. & Friedland, B., 1 Jan 1993, 1993 IEEE 19th Annual Northeasrt Bioengineering Conference. Publ by IEEE, p. 78-81 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

On a Property of Compensators Designed by the Separation Principle

Friedland, B., Mentzelopoulou, S. E. & Antoniou, G. E., Feb 1993, In : IEEE Transactions on Automatic Control. 38, 2, p. 370-373 4 p.

Research output: Contribution to journalArticle

Transfer functions
Poles
State feedback
Closed loop systems
Linear systems
1992

Adaptive encoding of a videoconference image sequence via neural networks

Manikopoulos, C. N. & Antoniou, G., 1 Sep 1992, In : Journal of Electrical and Electronics Engineering, Australia. 12, 3, p. 233-241 9 p.

Research output: Contribution to journalArticle

Neural networks
Image quality
Vector quantization
Pixels
Signal to noise ratio

Hopfield-Tank neural net: Walsh to Fourier transform

Karras, D. A., Varoufakis, S. J., Antoniou, G. & Carayannis, G. B., 1 Jan 1992, In : Neurocomputing. 4, 1-2, p. 37-41 5 p.

Research output: Contribution to journalArticle

Fourier Analysis
Discrete Fourier transforms
Fourier transforms
Neural networks
Walsh transforms

Realization of separable nth order 2D all-pass digital filters

Mentzelopoulou, S. E., Antoniou, G. E. & Manikopoulos, C. N., Dec 1992, In : International Journal of Electronics. 73, 6, p. 1143-1147 5 p.

Research output: Contribution to journalArticle

All-pass filters
Digital filters
Networks (circuits)
1991
4 Citations (Scopus)

Circuit and State-Space Realization of 2-D Allpass Digital Filters via the Bilinear Transform

Varoufakis, S. J. & Antoniou, G. E., Sep 1991, In : IEEE transactions on circuits and systems. 38, 9, p. 1104-1107 4 p.

Research output: Contribution to journalArticle

Digital filters
Mathematical transformations
Networks (circuits)
3 Citations (Scopus)

Determination of transfer function of two dimensional generalised systems using the discrete Fourier transform

Antoniou, G. E., Mentzelopoulou, S. E. & Glentis, G. O., 1 Jan 1991, In : IEE Proceedings D: Control Theory and Applications. 138, 4, p. 327-330 4 p.

Research output: Contribution to journalArticle

Discrete Fourier transforms
Transfer functions
1 Citation (Scopus)

Minimal circuit and state space realization of three-term separable denominator 2-D filters

Manikopoulos, C. N., Mentzelopoulou, S. E. & Antoniou, G. E., Nov 1991, In : International Journal of Electronics. 71, 5, p. 723-731 9 p.

Research output: Contribution to journalArticle

Transfer functions
Networks (circuits)
7 Citations (Scopus)
Transfer functions
1 Citation (Scopus)

Model reduction of 2-D systems via orthogonal series

Paraskevopoulos, P. N., Panagopoulos, P. E., Vaitsis, G. K., Varoufakis, S. J. & Antoniou, G. E., 1 Mar 1991, In : Multidimensional Systems and Signal Processing. 2, 1, p. 69-83 15 p.

Research output: Contribution to journalArticle

Orthogonal Series
2-D Systems
Model Reduction
Approximate Model
System of equations

Two-dimensional systems: A simple proof of the cayley-hamilton theorem

Antoniou, G. E., Mentzelopoulou, S. H. & Manikopoulos, C. N., Jan 1991, In : International Journal of Systems Science. 22, 1, p. 225-228 4 p.

Research output: Contribution to journalArticle

Cayley-Hamilton theorem
Two-dimensional Systems
1990
2 Citations (Scopus)

A Simple Stability Test for 2-D Systems

Antoniou, G. E., Varoufakis, S. J. & Paraskevopoulos, P. N., Jul 1990, In : IEEE transactions on circuits and systems. 37, 7, p. 972-974 3 p.

Research output: Contribution to journalArticle

Stability criteria

Generalized two dimensional systems. Leverrier-Faddeeva algorithm

Mentzelopoulou, S. H. & Antoniou, G., 1 Sep 1990, In : Control, theory and advanced technology. 6, 3, p. 441-449 9 p.

Research output: Contribution to journalArticle

Transfer functions
2 Citations (Scopus)

LVQ of image sequence source and ANS classification of finite state machine for high compression coding

Manikopoulos, C., Antoniou, G. & Metzelopoulou, S., 1 Dec 1990, p. 481-486. 6 p.

Research output: Contribution to conferencePaper

Vector quantization
Finite automata
Head frames
Pixels
Teleconferencing
5 Citations (Scopus)

Minimal State Space Realisation of Product Factorable 2-D Systems

Antoniou, G., 1 Sep 1990, In : Electronics Letters. 26, 16, p. 1232-1234 3 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

State-space realization of three-dimensional systems using the modified cauer form

Manikopoulos, C. N. & Antoniou, G., 1 Jan 1990, In : International Journal of Systems Science. 21, 12, p. 2673-2678 6 p.

Research output: Contribution to journalArticle

3D
State Space
Three-dimensional
Continued Fraction Expansion
Networks (circuits)
4 Citations (Scopus)

Two-dimensional modified Cauer form: Circuit and state space realisation

Antoniou, G., Manikopoulos, C. N. & Mentzelopoulou, S. E., 1 Jan 1990, In : Electronics Letters. 26, 4, p. 258-259 2 p.

Research output: Contribution to journalArticle

Signal flow graphs
Networks (circuits)
1989
3 Citations (Scopus)

Image coding with finite state vector quantization utilizing extrapolation selection

Manikopoulos, C., Sun, H. & Antoniou, G., 1 Dec 1989, p. 575-579. 5 p.

Research output: Contribution to conferencePaper

Vector quantization
Image coding
Extrapolation
Image quality
Image reconstruction

Low bit rate teleconferencing video signal data compression

Manikopoulos, C., Sun, H. & Antoniou, G., 1 Nov 1989, In : Proceedings of SPIE - The International Society for Optical Engineering. 1199, p. 504-513 10 p.

Research output: Contribution to journalArticle

teleconferencing
Teleconferencing
video signals
data compression
Data compression
2 Citations (Scopus)

Multidimensional continued fraction inversion

Antoniou, G. E., Varoufakis, S. J. & Paraskevopoulos, P. N., 1 Dec 1989, In : IEE proceedings. Part G. Electronic circuits and systems. 136, 6, p. 307-312 6 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Transfer Function Determination of Singular Systems Using the DFT

Antoniou, G. E., Glentis, G. O. A., Varoufakis, S. J. & Karras, D. A., Aug 1989, In : IEEE transactions on circuits and systems. 36, 8, p. 1140-1142 3 p.

Research output: Contribution to journalArticle

Discrete Fourier transforms
Transfer functions
Computational complexity
1988
11 Citations (Scopus)

Minimal State Space Realisation of 3-D Systems

Paraskevopoulos, P. N., Antoniou, G. & Varoufakis, S. J., 1 Jan 1988, In : IEE Proceedings G: Electronics Circuits and Systems. 135, 2, p. 65-70 6 p.

Research output: Contribution to journalArticle

Transfer functions
Inspection
48 Citations (Scopus)

Minimal State-Space Realization of Factorable 2-D Transfer Functions

Antoniou, G. E., Paraskevopoulos, P. N. & Varoufakis, S. J., Aug 1988, In : IEEE transactions on circuits and systems. 35, 8, p. 1055-1058 4 p.

Research output: Contribution to journalArticle

Transfer functions
Inspection
Polynomials
Networks (circuits)
1987
30 Citations (Scopus)

On the Minimal State-Space Realizations of All-Pole and All-Zero 2-D Systems

Varoufakis, S. J., Paraskevopoulos, P. N. & Antoniou, G., 1 Jan 1987, In : IEEE Transactions on Circuits and Systems. 34, 3, p. 289-292 4 p.

Research output: Contribution to journalArticle

Transfer functions
Poles
Inspection
4 Citations (Scopus)

Two-Dimensional Continued Fraction Inversion

Antoniou, G., Varoufakis, S. J. & Paraskevopoulos, P. N., 1 Jan 1987, In : IEEE transactions on circuits and systems. 34, 5, p. 580-582 3 p.

Research output: Contribution to journalArticle

1986
30 Citations (Scopus)

STATE-SPACE REALIZATION OF 2-D SYSTEMS VIA CONTINUED FRACTION EXPANSION.

Antoniou, G. E., Varoufakis, S. J. & Paraskevopoulos, P. N., 1 Sep 1986, In : IEEE transactions on circuits and systems. CAS-33, 9, p. 926-930 5 p.

Research output: Contribution to journalArticle

Transfer functions
Inspection