publications

journals

A. Koutras, A. Panagopoulos, I. Nikas
Forecasting Tourism Demand Using Linear and Nonlinear Prediction Models
Academica Turistica, Vol 9, no 1, pp. 85-98, 2016.

Α. Koutras, G.K. Kostopoulos and A.I. Ioannides
Exploring the variability of Single Trials in Somatosensory Evoked Responses Using Constrained Source Extraction and Random Matrix Theory
IEEE Trans. on Biomedical Signal Processing, Vol 55, no 3, pp 957-969, 2008.

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind speech separation of non-linear convolutive mixtures for robust speech recognition
International Journal of Control and Intelligent Systems, ACTA Press, Vol 30, no 2, pp. 83-90, 2002.

Christoyianni, A. Koutras, E. Dermatas, G. Kokkinakis
Computer Aided Diagnosis of breast cancer in digitized mammograms

Computerized Medical Imaging and Graphics, Elsevier, Vol 26, no 5, pp. 309-319, 2002.

A. Koutras, E. Dermatas
Blind Speech separation for solving the cocktail party problem in real room environments
Journal of Information Technology and Multimedia Systems (Info-M Journal), Vol. 1(2), pp. 29-32, 2002

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind separation of speakers in noisy environments: A neural network approach
Neural Network World Journal, Vol 10, No 4, pp. 619-630, 2000.

articles in books

Koutras A., Kostopoulos G. K.
EEG-based Person Identification Using Rhythmic Brain Activity During Sleep
Kůrková, V., Manolopoulos, Y., Hammer, B., Iliadis, L., Maglogiannis, I. (Eds.) ICANN 2018.
Lecture Notes in Computer Science, vol 11139-11141, pp. 682-692, Springer, (2018)

Koutras A., Nikas I.A., Panagopoulos A.
Towards developing smart cities: Evidence from GIS analysis on tourist’s behavior using social network data in the city of Athens
Katsoni V., Stratigea A. (eds) Tourism and Culture in the Age of Innovation. Springer Proceedings in Business and Economics, pp.XX-XX (to be published), Springer, Cham, (2018)

Koutras A.
Song Emotion Recognition Using Music Genre Information
Karpov A., Potapova R., Mporas I. (eds) Speech and Computer. SPECOM 2017. Lecture Notes in Computer Science, vol 10458, pp. 669-679, Springer, Cham, (2017)

Koutras A., Panagopoulos A., Nikas I.A.
Predicting Tourism Demand in the Western Greece Region Using Independent Component Analysis
Katsoni V., Stratigea A. (eds) Tourism and Culture in the Age of Innovation. Springer Proceedings in Business and Economics, pp.361-375, Springer, Cham, (2016)

Koutras A., Panagopoulos A., Nikas I.A
Evaluating the Performance of Linear and Nonlinear Models in Forecasting Tourist Occupancy in the Region of Western Greece
Katsoni V., Stratigea A. (eds) Tourism and Culture in the Age of Innovation. Springer Proceedings in Business and Economics, Springer, pp. 377-391, Cham, (2016)

Apostolopoulos G., Koutras A., Christoyianni I., Dermatas E.
Computer Aided Diagnosis of Mammographic Tissue Using Shapelets in Quaternionic Representation
Kyriacou E., Christofides S., Pattichis C. (eds) XIV Mediterranean Conference on Medical and Biological Engineering and Computing 2016. IFMBE Proceedings, vol 57, pp. 222-227, Springer, Cham, (2016)

Apostolopoulos G., Koutras A., Christoyianni I., Dermatas E.
Computer Aided Classification of Mammographic Tissue Using Shapelets and Support Vector Machines
Likas A., Blekas K., Kalles D. (eds) Artificial Intelligence: Methods and Applications, SETN 2014, Lecture Notes in Computer Science, vol 8445, pp. 510-520, Springer, Cham, (2014)

Koutras A., Christoyianni I., Georgoulas G., Dermatas E.
Computer Aided Classification of Mammographic Tissue Using Independent Component Analysis and Support Vector Machines
Kollias S., Stafylopatis A., Duch W., Oja E. (eds) Artificial Neural Networks – ICANN 2006. ICANN 2006, Lecture Notes in Computer Science, vol 4132, pp 568-577, Springer, Berlin, Heidelberg
, (2006)

Koutras A., Dermatas E., Kokkinakis G.
Neural Network Based Blind Source Separation of Non-linear Mixtures
Dorffner G., Bischof H., Hornik K. (eds) Artificial Neural Networks — ICANN 2001, ICANN 2001, Lecture Notes in Computer Science, vol 2130, pp.561-567, Springer, Berlin, Heidelberg
, (2001)

Christoyianni I., Koutras A., Dermatas E., Kokkinakis G.
Breast Tissue Classification in Mammograms Using ICA Mixture Models
Dorffner G., Bischof H., Hornik K. (eds) Artificial Neural Networks — ICANN 2001, ICANN 2001, Lecture Notes in Computer Science, vol 2130, pp.554-560, Springer, Berlin, Heidelberg, (2001).

Koutras A., Christoyianni I., Dermatas E., Kokkinakis G.
Feature Extraction in Digital Mammography: An Independent Component Analysis Approach
Mira J., Prieto A. (eds) Bio-Inspired Applications of Connectionism, IWANN 2001, Lecture Notes in Computer Science, vol 2085, pp.794-801, Springer, Berlin, Heidelberg, (2001).

conferences

Apostolopoulos G., Koutras A., Anyfantis D., Christoyianni I., Dermatas E.
Fusing Low-Level Visual Features and High-Level Semantic Features for Breast Cancer Diagnosis in Digital Mammograms
The 20th IEEE International Conference on BioInformatics And BioEngineering Conference, October 26-28, 2020 USA

Zouridis I, Koupparis A, Stavrinou M, Kokkinos V, Sakellariou D, Koutras A. and Kostopoulos G
A High Resolution EEG Human Sleep Dataset
27th Meeting of the Hellenic Society for Neuroscience (HSfN 2017), Athens, Greece, 2017.

G. Apostolopoulos, A. Koutras, I. Christoyianni, E. Dermatas
A New Method for Breast Cancer Identification Using Multi-modal Features in Quaternionic Form
25th European Signal Processing Conference (EUSIPCO), 28/8-2/9, 2017, Kos Island, Greece, pp. 66-70, 2017

Koutras A., Zouridis I., Giannakopoulou A. and Kostopoulos G.
Comparison of sleep spindles’ characteristics in descending compared to ascending slope of the nrem/rem sleep cycle
1st International Conference on Sleep Spindling, Budapest, Hungary, 2016.

I. Zouridis, A. Koutras, G. Kostopoulos
Are sleep spindles and K-complexes related to cardiac activity?
6th Panhellenic Conference on Sleep Research, Athens, Greece, 2016

A. Koutras, G.K. Kostopoulos, A.A. Ioannides
Single trial analysis of somatosensory evoked responses using constrain ICA
20th Annual Meeting of the Hellenic Society for Neuroscience, Heraklion, Crete, Greece, 28 September–1 October 2006.

K. Tsatsou, A. Koutras, G.K. Kostopoulos
Analysing the Dynamic Relations of Sympathetic Skin Response and Somatosensory ERP Activity
5th European Symposium on Biomedical Engineering (ESBME), Patras, July 2006.

A. Koutras, G. Georgoulas
Robust Cardiotocogram Prediction using Independent Component Analysis
5th European Symposium on Biomedical Engineering (ESBME), Patras, July 2006.

A. Koutras
Blind Separation of Non-linear Convolved Speech Mixtures
International Conference in Acoustics, Speech and Signal Processing, Orlando, Florida, Vol. 1,pp. 913-916, May 2002.

A. Koutras, E. Dermatas
Robust Speech recognition in a high interference real room environment using blind speech extraction
International Conference on Digital Signal Processing, Santorini, Greece, pp. 167-171, July 2002.

I. Christoyianni, A. Koutras, E. Dermatas
Computer Classification of Mammographic Tissue using Independent Component Analysis
International Conference on Digital Signal Processing, Santorini, Greece, pp. 163-166, July 2002.

A. Koutras, E. Dermatas
Blind Speech separation for solving the cocktail party problem in real room environments
DOGS 2002, pp. 41-44, Becej, Jugoslavia, May 2002. 

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind Speech Separation of Moving Speakers Using Hybrid Neural Networks
EuroSpeech 2001, Aalborg, Denmark, Vol. 2, pp. 997-1000, September 2001.

Α. Koutras, E. Dermatas and G. Kokkinakis
Improving Simultaneous Speech Recognition in Real-Room Environments Using Overdetermined Blind Source Separation
EuroSpeech 2001, Aalborg, Denmark, Vol. 2, pp. 1009-1012, September 2001.

Α. Koutras, I. Christoyianni, G. Nokas, G. Georgoulas, C. Stylios and P. Groumpos
Linear and Nonlinear approaches for Cardiotocographic Data Prediction
5th International Workshop on Mathematical methods in Scattering Theory and Biomedical Technology, Corfu, Greece, pp. 336-344, October 2001.

G. Nokas, A. Koutras, I. Christoyianni, G. Georgoulas, C. Stylios and P. Groumpos
Prediction of Missing data in Cardiotocograms using Expectation Maximization Algorithm
5th International Workshop on Mathematical methods in Scattering Theory and Biomedical Technology, Corfu, Greece, pp. 354-362, October 2001.

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind Speech Separation Using Wavelet Decomposition
6th International Workshop on Speech and Computers, Moscow, Russia, pp. 146-149, October 2001.

Ι. Christoyianni, A. Koutras, E. Dermatas and G. Kokkinakis
Neural Classification of Breast Tissue in Mammograms: Linear Analysis in Texture Feature Space
International Conference on Neural Networks and Expert Systems in Medicine and Healthcare, Milos Island, Greece, pp. 69-73, June 2001.

Α. Koutras, E. Dermatas and G. Kokkinakis
Overdetermined Blind Speech Separation
International Conference “100 years of Experimental Phonetics in Russia”, St. Petersburg, Russia, pp. 117-120, February 2001.

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind separation of speakers in noisy environments: A neural network approach
Neural Network World Conference, Prague, Czech Republic, July 2000.

Α. Koutras, E. Dermatas and G. Kokkinakis
Simultaneous speech recognition in noisy reverberant environments
4th World Multiconference on Circuits, Systems, Communications & Computers, Athens, Greece, pp. 288-292, July 2000.

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind speech separation of moving speakers in real reverberant environments
International Conference in Acoustics, Speech and Signal Processing, Istanbul, Turkey, Vol. 2, pp. 1133-1136, June 2000

Α. Koutras, E. Dermatas and G. Kokkinakis
Blind signal separation and speech recognition in the frequency domain
6th International Conference on Electronics, Circuits and Systems Pafos, CYPRUS, Vol. 1, pp. 427-430, September 1999.

Α. Koutras, E. Dermatas and G. Kokkinakis
Recognizing simultaneous speech: A genetic Algorithm approach
EuroSpeech 1999, Budapest, Hungary, Vol. 6, pp. 2551- 2554, September 1999

Α. Koutras, E. Dermatas and G. Kokkinakis
Continuous Speech Recognition in a Multi-simultaneous-speaker environment using decorrelation filtering in the frequency domain
3rd International Workshop on Speech and Computers, St. Petersburg Russia, pp 253-256,
 October 1998.

Α. Koutras, E. Dermatas and G. Kokkinakis
Speech Recognition in a real room and multi-simultaneous-speaker environment
1st International Workshop on Text, Speech & Dialogue, Brno, Czech Republic, pp. 251-256, September 1998.

Α. Koutras, E. Dermatas and G. Kokkinakis
Speech recognition through an omni-directional microphone in a multi-simultaneous-speaker environment
2nd International Workshop on Speech and Computers, Cluj-Napoca, Romania, pp 99-104, October 1997.