Iosif Mporas, Dipl-Eng, PhD

Electrical and Computer Engineer

Senior Lecturer (Assist. Professor) in Information Engineering

 

email: iosifmporas@hotmail.com

email: i.mporas@herts.ac.uk

 

School of Engineering and Technology

University of Hertfordshire

College Lane Campus

Hatfield Herts, UK

 

Research Interests:

o    speech and audio processing

o    natural language processing

o    spoken and multimodal Human Machine Interaction

o    brain and biosignal processing

o    machine learning applications

o    e-health technology

 

Google Scholar profile: Iosif Mporas

Scopus profile: Iosif Mporas

 

Publications:

Books

o    Ιωσήφ Μπόρας, "Αυτόματος τεμαχισμός ψηφιακών σημάτων ομιλίας και εφαρμογή στη σύνθεση ομιλίας, αναγνώριση ομιλίας και αναγνώριση γλώσσας", PhD Thesis, University of Patras, Greece, July 2009.

o    Alexey Karpov, Rodmonga Potapova, Iosif Mporas (Eds.), Speech and Computer, Proceedings of the 19th International Conference SPECOM 2017, LNAI 10458, 2017.

 

Journal Articles

J01.    Panagiotis Zervas, Iosif Mporas, Nikos Fakotakis, George Kokkinakis, "Evaluating intonational features for emotion recognition from speech", International Journal on Artificial Intelligence Tools, Vol. 16, Issue 6, pp.1001-1014, 2007. [PDF]

J02.    Iosif Mporas, Todor Ganchev, Mihalis Siafarikas, Nikos Fakotakis, "Comparison of Speech Features on the Speech Recognition Task", Journal of Computer Science, Vol. 3, Issue 8, pp. 608-616, 2007. [PDF]

J03.    Mihalis Siafarikas, Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Speech Recognition Using Wavelet Packet Features", Journal of Wavelet Theory and Applications, Vol. 2, Issue 1, pp. 41-59, 2008. [PDF]

J04.    Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Speech segmentation using regression fusion of boundary predictions", Computer Speech and Language, Vol. 24, Issue 2, pp. 273-288, 2010. [PDF]

J05.    Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Robust speech interaction in motorcycle environment", Expert Systems with Applications, Vol. 37, Issue 3, pp. 1827-1835, 2010. [PDF]

J06.    Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Phonetic segmentation using multiple speech features", International Journal of Speech Technology, Vol. 11, Issue 2, 2008. [PDF]

J07.    Iosif Mporas, Todor Ganchev, "Estimation of unknown speaker's height from speech", International Journal of Speech Technology, Vol. 12, Issue 4, pp. 149-160, 2009. [PDF]

J08.    Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, "Speech Enhancement for Robust Speech Recognition in Motorcycle Environment", International Journal on Artificial Intelligence Tools, Vol. 19, Issue 2, pp. 159-173, 2010. [PDF]

J09.    Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Phonetic Segmentation of Emotional Speech with HMM-based Methods", International Journal of Pattern Recognition and Artificial Intelligence, Vol. 24, Issue 7, pp. 1159-1179, 2010. [PDF]

J10.    Alexandros Lazaridis, Todor Ganchev, Theodoros Kostoulas, Iosif Mporas, Nikos Fakotakis, "Phone Duration Modeling: Overview of Techniques and Performance Optimization via Feature Selection in the context of Emotional Speech", International Journal of Speech Technology, Vol. 13, Issue 3, pp. 175-188, 2010. [PDF]

J11.    Alexandros Lazaridis, Iosif Mporas, Todor Ganchev, George Kokkinakis, Nikos Fakotakis, "Improving Phone Duration Modeling using Support Vector Regression Fusion", Speech Communication, Vol. 53, Issue 1, pp. 85-97, 2011. [PDF]

J12.    Alexandros Lazaridis, Todor Ganchev, Iosif Mporas, Evaggelos Dermatas, Nikos Fakotakis, "Two-stage Phone Duration Modeling with Feature Construction and Feature Vector Extension", Computer Speech and Language,  Vol. 26,  Issue 4, pp. 274–292, 2012. [PDF]

J13.    Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, "Context-adaptive pre-processing scheme for robust speech recognition in fast-varying noise environment",  Signal Processing,  Vol. 91,  Issue 8,  pp. 2101–2111, 2011. [PDF]

J14.    Theodoros Kostoulas, Iosif Mporas, Otilia Kocsis, Todor Ganchev, Nikos Katsaounos, Juan J. Santamaria, Susana Jimenez-Murcia, Fernando Fernandez-Aranda, Nikos Fakotakis, "Affective speech interface in serious games for supporting therapy of mental disorders", Expert Systems with Applications, Vol. 39, Issue 12, pp. 11072–11079, 2012. [PDF]

J15.    Theodoros Theodorou, Iosif Mporas, Nikos Fakotakis, "Automatic Sound Classification of Radio Broadcast News", International Journal of Signal Processing, Image Processing and Pattern Recognition, Vol. 5, Issue 1, pp. 37-48, 2012. [PDF]

J16.    Alexandros Lazaridis, Iosif Mporas, Todor Ganchev, "Phone Duration Modeling of Affective Speech using Support Vector Regression", International Journal of Intelligent Systems and Applications, Vol. 4, Issue 8, pp.1-9, 2012. [PDF]

J17.    Alexandros Tsilfidis, Iosif Mporas, John Mourjopoulos, Nikos Fakotakis, "Automatic speech recognition performance in different room acoustic environments with and without dereverberation preprocessing", Computer Speech and Language, Vol. 27, Issue 1, pp. 380–395, 2013. [PDF]

J18.    Alexandros Lazaridis, Iosif Mporas, "Evaluation of Hidden semi Markov Models Training Methods for Greek Emotional Text-to-Speech Synthesis", International Journal of Information Technology and Computer Science, Vol. 4, pp. 23-29, 2013. [PDF]

J19.    Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, "Integration of Temporal Contextual Information for Robust Acoustic Recognition of Bird Species from Real-Field Data", International Journal of Intelligent Systems and Applications, Vol. 7, pp. 9-15, 2013. [PDF]

J20.    Todor Ganchev, Mihalis Siafarikas, Iosif Mporas, Tsenka Stoyanova, "Wavelet basis selection for enhanced speech parametrization in speaker verification", International Journal of Speech Technology, Vol. 17, Issue 1, pp 27-36, 2014. [PDF]

J21.    Vasileios G. Kanas, Iosif Mporas, Heather L. Benz, Kyriakos N. Sgarbas, Anastasios Bezerianos, Nathan E. Crone, "Joint Spatial-Spectral Feature Space Clustering for Speech Activity Detection from ECoG Signals", IEEE Transactions on Biomedical Engineering, Vol. 61, Issue 4, pp. 1241 - 1250, 2014. [PDF]

J22.    Theodoros Theodorou, Iosif Mporas, Nikos Fakotakis, "An Overview of Automatic Audio Segmentation", International Journal of Information Technology and Computer Science, Vol. 1, pp. 1-9, 2014. [PDF]

J23.    Angeliki Skoura, Iosif Mporas, Vasileios Megalooikonomou, "Classifying Tree Structures using Elastic Matching of Sequence Encodings", Neurocomputing, Vol. 163, pp. 151–159, 2015. [PDF]

J24.    Iosif Mporas, Vasiliki Tsirka, Evangelia I. Zacharaki, Michalis Koutroumanidis, Mark Richardson, Vasileios Megalooikonomou, "Seizure detection using EEG and ECG signals for computer-based monitoring, analysis and management of epileptic patients", Expert Systems with Applications, Vol. 42, Issue 6, pp. 3227–3233, 2015. [PDF]

J25.    Evangelia Pippa, Evangelia I. Zacharaki, Iosif Mporas, Vasiliki Tsirka, Mark Richardson, Michalis Koutroumanidis, Vasileios Megalooikonomou, "Improving Classification of Epileptic and Non-Epileptic EEG Events by Feature Selection", Neurocomputing, Vol. 171, pp. 576–585, 2016. [PDF]

J26.    Dimitios Triantafillopoulos, Panagiotis Korvesis, Iosif Mporas, Vasileios Megalooikonomou, "Real-Time Management of Multimodal Streaming Data for Monitoring of Epileptic Patients", Journal of Medical Systems, pp. 40-45, 2016. [PDF]

J27.    Vasiliki Simaki, Iosif Mporas, Vasileios Megalooikonomou, "Evaluation and Sociolinguistic Analysis of Text Features for Gender and Age Identification", American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4, pp. 868-876, 2016. [PDF]

J28.    Vasilios Kelefouras , A. Kritikakou, Iosif Mporas, Vasilios Kolonias, "A high-performance matrix–matrix multiplication methodology for CPU and GPU architectures", The Journal of Supercomputing, Vol. 72, Issue 3, pp. 804-844, 2016 [PDF]

J29.    Evangelia I. Zacharaki, Iosif Mporas, Kyriakos Garganis, Vasileios Megalooikonomou, "Spike pattern recognition by supervised classification in low dimensional embedding space", Brain Informatics, Volume 3, Issue 2, pp. 73–83, 2016. [PDF]

J30.    Vasiliki Simaki, Christina Aravantinou, Iosif Mporas, Marianna Kondyli, Vasileios Megalooikonomou, "Sociolinguistic Features for Author Gender Identification: from qualitative evidence to quantitative analysis", Journal of Quantitative Linguistics, Vol. 24, Issue 1, 2017. [PDF]

J31.    Theodoros Theodorou, Iosif Mporas, Alexandros Lazaridis, Nikos Fakotakis, "Data-Driven Audio Feature Space Clustering for Automatic Sound Recognition in Radio Broadcast News", International Journal on Artificial Intelligence Tools, Vol. 26, Issue 02, 2017. [PDF]

J32.    Hock Gan, Iosif Mporas, Saeid Safavi, Reza Sotudeh, "Speaker Identification using Data-Driven Score Classification", Image Processing & Communications, vol. 21, no. 2, pp. 55-64. [PDF]

 

Book Chapters

B01.  Iosif Mporas, Panagiotis Zervas, Nikos Fakotakis, "Detecting Broad Phonemic Class Boundaries from Greek Speech in Noise Environments", Text, Speech and Dialogue, Volume 4188 of the series Lecture Notes in Computer Science pp 479-484, TSD 2006. [PDF]

B02.  Iosif Mporas, Todor Ganchev, Panagiotis Zervas, Nikos Fakotakis, "Recognition of Greek Phonemes using Support Vector Machines", Advances in Artificial Intelligence, Volume 3955 of the series Lecture Notes in Computer Science pp 290-300, SETN 2006. [PDF]

B03.  Panagiotis Zervas, Iosif Mporas, Nikos Fakotakis, George Kokkinakis, "Employing Fujisaki's Intonation Model Parameters for Emotion Recognition", Advances in Artificial Intelligence, Volume 3955 of the series Lecture Notes in Computer Science pp 443-453, SETN 2006. [PDF]

B04.  Iosif Mporas, Dimitrios P. Lyras, Kyriakos N. Sgarbas, Nikos Fakotakis, "Detection of Dialogue Acts using Perplexity-based Word Clustering", Text, Speech and Dialogue, Volume 4629 of the series Lecture Notes in Computer Science pp 638-643, TSD 2007. [PDF]

B05.  Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Phonotactic Recognition of Greek and Cypriot Dialects from Telephone Speech", Artificial Intelligence: Theories, Models and Applications, Volume 5138 of the series Lecture Notes in Computer Science pp 173-181, SETN 2008. [PDF]

B06.  Theodoros Kostoulas, Iosif Mporas, Todor Ganchev, Nikos Katsaounos, Alexandros Lazaridis, Stavros Ntalampiras, Nikos Fakotakis, "LOGOS: A Multimodal Dialogue System for Controlling Smart Appliances", New Directions in Intelligent Interactive Multimedia, Volume 142 of the series Studies in Computational Intelligence pp 585-594, KES IIMSS 2008. [PDF]

B07.  Todor Ganchev, Alexandros Lazaridis, Iosif Mporas, Nikos Fakotakis, "Performance Evaluation for Voice Conversion Systems", Text, Speech and Dialogue, Volume 5246 of the series Lecture Notes in Computer Science pp 317-324, TSD 2008. [PDF] 

B08.  Theodoros Kostoulas, Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "The Effect of Emotional Speech on a Smart Home Application", New Frontiers in Applied Artificial Intelligence, Volume 5027 of the series Lecture Notes in Computer Science pp 305-310, IEA/AIE 2008. [PDF]

B09.  Otilia Kocsis, Todor Ganchev, Iosif Mporas, George Papadopoulos, Nikos Fakotakis, "Multi-modal System Architecture for Serious Gaming", Artificial Intelligence Applications and Innovations III, Volume 296 of the series IFIP International Federation for Information Processing pp 441-447, AIAI 2009. [PDF]

B10.  Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, "Performance Evaluation of a Speech Interface for Motorcycle Environment", Artificial Intelligence Applications and Innovations III, Volume 296 of the series IFIP International Federation for Information Processing pp 259-266, AIAI 2009. [PDF]

B11.  Alexandros Lazaridis, Iosif Mporas, Todor Ganchev, Theodoros Kostoulas, Nikos Fakotakis, "Feature Selection for Improved Phone Duration Modeling of Greek Emotional Speech", Artificial Intelligence: Theories, Models and Applications, Volume 6040 of the series Lecture Notes in Computer Science pp 357-362, SETN 2010. [PDF]

B12.  Todor Ganchev, Iosif Mporas, Nikos Fakotakis, "Audio Features Selection for Automatic Height Estimation from Speech", Artificial Intelligence: Theories, Models and Applications, Volume 6040 of the series Lecture Notes in Computer Science pp 81-90, SETN 2010. [PDF]

B13.  Todor Ganchev, Iosif Mporas, Olaf Jahn, Klaus Riede, Karl-L. Schuchmann, Nikos Fakotakis, "Acoustic Bird Activity Detection on Real-Field Data", Artificial Intelligence: Theories and Applications, Volume 7297 of the series Lecture Notes in Computer Science pp 190-197, SETN 2012. [PDF]

B14.  Iosif Mporas, Panagiotis Korvesis, Evangelia I. Zacharaki, Vasileios Megalooikonomou, "Sleep Spindle Detection in EEG Signals combining HMMs and SVMs", Engineering Applications of Neural Networks, Volume 384 of the series Communications in Computer and Information Science pp 138-145, EANN 2013. [PDF]

B15.  Vasileios G. Kanas, Iosif Mporas, Heather L. Benz, Nicholas Huang, Kyriakos Sgarbas, Nitish V. Thakor, Anastasios Bezerianos, Nathan E. Crone, "Voice Activity Detection from Electrocorticographic Signals", XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013, Volume 41 of the series IFMBE Proceedings pp 1643-1646. [PDF]

B16.  Theodoros Theodorou, Iosif Mporas, Nikos Fakotakis, "Audio Feature Selection for Recognition of Non-Linguistic Vocalization Sounds", Artificial Intelligence: Methods and Applications, Volume 8445 of the series Lecture Notes in Computer Science pp 395-405, SETN 2014. [PDF]

B17.  Iosif Mporas, Vasiliki Tsirka, Evangelia I. Zacharaki, Michalis Koutroumanidis Vasileios Megalooikonomou, "Online Seizure Detection from EEG and ECG signals for Monitoring of Epileptic Patients", Artificial Intelligence: Methods and Applications, Volume 8445 of the series Lecture Notes in Computer Science pp 442-447, SETN 2014. [PDF]

B18.  Olga Politi, Iosif Mporas, Vasileios Megalooikonomou, "Comparative Evaluation of Feature Extraction Methods for Human Motion Detection", Artificial Intelligence Applications and Innovations, Volume 437 of the series IFIP Advances in Information and Communication Technology pp 146-154, AIAI 2014 MHDW. [PDF]

B19.  Niki Lambropoulos, Iosif Mporas, Habib M. Fardoun, Iyad Katib, "Ontological Design to support Cognitive Plasticity for Creative Immersive Experience in Computer Aided Learning", Learning and Collaboration Technologies, Volume 9192 of the series Lecture Notes in Computer Science pp 261-270, HCI International 2015. [PDF]

B20.  Vasileios Megalooikonomou, Dimitrios Triantafyllopoulos, Evangelia I. Zacharaki, Iosif Mporas, "Offline Analysis Server and Offline algorithms", Cyberphysical Systems for Epilepsy and Related Brain Disorders, pp 239-254. [PDF]

B21.  Vasileios Megalooikonomou, Dimitrios Triantafyllopoulos, Evangelia I. Zacharaki, Iosif Mporas, "DSMS and Online Algorithms", Cyberphysical Systems for Epilepsy and Related Brain Disorders, pp 271-279. [PDF]

B22.  Vasiliki Simaki, Chistina Aravantinou, Iosif Mporas, Vasileios Megalooikonomou, "Using Sociolinguistic Inspired Features for Gender Classification of Web Authors", Text, Speech, and Dialogue, Volume 9302 of the series Lecture Notes in Computer Science pp 587-594, TSD 2015. [PDF]

B23.  Vasiliki Simaki, Iosif Mporas, Marianna Konduli, "Acoustic Differences Between Standard Greek and Cypriot Greek", In Proc. of SPECOM 2015, pp. 71-78, ISBN 9789605301606. [PDF]

B24.  Vasiliki Simaki, Chistina Aravantinou, Iosif Mporas, Vasileios Megalooikonomou, "Gender Identification of Blog Authors: Do Men and Women Prefer Different Character Unigrams?", In Proc. of SPECOM 2015, pp. 79-86, ISBN 9789605301606. [PDF]

B25.  Vasiliki Simaki, Chistina Aravantinou, Iosif Mporas, Vasileios Megalooikonomou, "Automatic Estimation of Web Bloggers’ Age using Regression Models", Speech and Computer, Volume 9319 of the series Lecture Notes in Computer Science pp. 113-120, SPECOM 2015. [PDF]

B26.  Athanasia Koumpouri, Iosif Mporas, Vasileios Megalooikonomou, "Opinion Recognition on Movie Reviews by Combining Classifiers", Speech and Computer, Volume 9319 of the series Lecture Notes in Computer Science pp. 309-316, SPECOM 2015. [PDF]

B27.  Christina Aravantinou, Vasiliki Simaki, Iosif Mporas, Vasileios Megalooikonomou, "Gender Classification of Web Authors Using Feature Selection and Language Models", Speech and Computer, Volume 9319 of the series Lecture Notes in Computer Science pp. 226-233, SPECOM 2015. [PDF]

B28.  Theodoros Theodorou, Iosif Mporas, Nikos Fakotakis, "Automatic Sound Recognition of Urban Environment Events", Speech and Computer, Volume 9319 of the series Lecture Notes in Computer Science pp. 129-136, SPECOM 2015. [PDF]

B29.  Iosif Mporas, Anastasia Efstathiou, Vasileios Megalooikonomou,  "Sleep Stages Classification from Electroencephalographic Signals based on Unsupervised Feature Space Clustering", Brain Informatics and Health, Volume 9250 of the series Lecture Notes in Computer Science pp. 77-85, BIH 2015. [PDF]

B30.  Vasileios Kanas, Iosif Mporas, Griffin Milsap, Kyriakos Sgarbas, Nathan Crone, Anastasios Bezerianos, "Time-varying parametric modeling of ECoG for syllable decoding", Brain Informatics and Health, Volume 9250 of the series Lecture Notes in Computer Science pp. 222-231, BIH 2015. [PDF]

B31.  Vasiliki Simaki, Iosif Mporas, Vasileios Megalooikonomou, "Age Identification of Twitter Users: Classification Methods and Sociolinguistic Analysis", In Proc. of the 17th International Conference on Intelligent Text Processing and Computational Linguistics, CICLing 2016, Konya, Turkey. [PDF].

B32.  Iosif Mporas, Saeid Safavi, Reza Sotudeh, "Improving Robustness of Speaker Verification by Fusion of Prompted Text-Dependent and Text-Independent Operation Modalities", SPECOM 2016, pp. 378-385. [PDF]

B33.  Nikolaos Spatiotis, Michael Paraskevas, Isidoros Perikos, Iosif Mporas, "Examining the Impact of Feature Selection on Sentiment Analysis for the Greek Language", LNAI 10458, SPECOM 2017, pp 353-361. [PDF]

B34.  Alessio Regalbuto, Salvatore Livatino, Kieran Edwards, Iosif Mporas, "Mobile VR Headset Usability Evaluation of 2D and 3D Panoramic Views Captured with Different Cameras", LNAI 10459, ICR 2017, pp. 191-200. [PDF]

B35.  Saeid Safavi and Iosif Mporas, "Improving Performance of Speaker Identification Systems Using Score Level Fusion of Two Modes of Operation", LNAI 10458, SPECOM 2017, pp. 438-444. [PDF]

B36.  Prasitthichai Naronglerdrit and Iosif Mporas, "Recognition of Indoors Activity Sounds for Robot-Based Home Monitoring in Assisted Living Environments", LNAI 10459, ICR 2017, pp. 153-161. [PDF]

B37.  Firgan Feradov, Iosif Mporas and Todor Ganchev, "Evaluation of Cepstral Coefficients as Features in EEG-Based Recognition of Emotional States", Advances in Intelligent Systems and Computing, AISC Volume 679, IITI’17, 2017, pp. 504-511. [PDF]

 

Conference Proceedings Articles

C01.  Iosif Mporas, Nikos Fakotakis, "Least Squares Support Vector Machine based Phoneme Recognition", In Proc. of the 10th International Conference "SPEECH and COMPUTER", SPECOM 2005, Patras, Greece, pp. 377-380, 2005. [PDF]

C02.  Panagiotis Zervas, Iosif Mporas, Nikos Fakotakis, "Employing Intonational Events Parameterization for Emotion Recognition", In Proc. of the 3rd International Conference "Speech Prosody", Dresden, Germany, 2006. [PDF]

C03.  Iosif Mporas, Panagiotis Zervas, Nikos Fakotakis, "Broad Phonemic Class Segmentation of Speech Signals in Noise Environment", In Proc. of the 11th International Conference "SPEECH and COMPUTER", SPECOM 2006, Saint-Petersburg, Russia, pp. 363-366, 2006,. [PDF]

C04.  Theodoros Kostoulas, Iosif Mporas, Nikos Fakotakis, "Emotion Recognition in Noise Environments", In Proc. of the 3rd Conference "Acoustics", Heraklion, Greece, pp. 97-104, 2006. [PDF]

C05.  Iosif Mporas, Panagiotis Zervas, Nikos Fakotakis, "Speech Feature Selection for the task of Automatic Phoneme Classification", In Proc. of the 3rd Conference "Acoustics", Heraklion, Greece, pp. 83-90, 2006. [PDF]

C06.  Iosif Mporas, Panagiotis Zervas, Nikos Fakotakis, "Evaluation of Implicit Broad Phonemic Segmentation of Speech Signals using Pitchmarks", In Proc. of the 14th European Signal Processing Conference, EUSIPCO 2006, Florence, Italy, 2006. [PDF]

C07.  Iosif Mporas, Panagiotis Zervas, Nikos Fakotakis, "Automatic Segmentation of Greek Speech Signals to Broad Phonemic Classes", In Proc. of the 5th International Symposium Communication Systems Networks and Digital Signal Processing, CSNDSP 2006, Patras, Greece, pp. 301-304, 2006. [PDF]

C08.  Iosif Mporas, Todor Ganchev, Elias Kotinas, Nikos Fakotakis, "Examining the Influence of Speech Frame Size and Number of Cepstral Coefficients on the Speech Recognition Performance", In Proc. of the 12th International Conference "SPEECH and COMPUTER", SPECOM 2007, Moscow, Russia, pp. 134-139, 2007. [PDF]

C09.  Theodoros Kostoulas, Todor Ganchev, Iosif Mporas, Nikos Fakotakis, "Detection of Negative Emotional States in Real-World Scenario", In Proc. of the 19th IEEE International Conference on Tools with Artificial Intelligence, ICTAI 2007, Patras, Greece, pp. 502-509, 2007. [PDF]

C10.  Iosif Mporas, Todor Ganchev, Mihalis Siafarikas, Theodoros Kostoulas, "Comparative Evaluation of Speech Parameterizations for Speech Recognition", In Proc. of the 19th IEEE International Conference on Tools with Artificial Intelligence, ICTAI 2007, Patras, Greece, pp. 510-513, 2007. [PDF]

C11.  Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "A Hybrid Architecture for Automatic Segmentation of Speech Waveforms", In Proc. of the 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2008, Las Vegas, USA, pp. 4457-4460, 2008. [PDF]

C12.  Theodoros Kostoulas, Todor Ganchev, Iosif Mporas, Nikos Fakotakis, "A Real-World Emotional Speech Corpus for Modern Greek", In Proc. of the 6th International Conference on Language Resources and Evaluation, LREC 2008, Marrakech, Morocco, pp. 2676-2680, 2008. [PDF]

C13.  Alexandros Lazaridis, Theodoros Kostoulas, Iosif Mporas, Todor Ganchev, Nikos Katsaounos,  Stavros Ntalampiras, Nikos Fakotakis, "Human Evaluation of the LOGOS Spoken Dialogue System", In Proc. of the 1st International International Conference on Pervasive Technologies Related to Assistive Environments, PETRA 2008, Athens, Greece, 2008. [PDF]

C14.  Todor Ganchev, Otilia Kocsis, Dimitrios Lyras, Nikos Katsaounos, Iosif Mporas, Alexandros Lazaridis, Ttheodoros Kostoulas, Stavros Ntalampiras, Michalis Siafarikas, George Papadopoulos, Kyrakos Sgarbas, Nikos Fakotakis, "Natural Spoken Dialogue Interaction: Technology, Tools, Resources and Applications", In Proc. of the System Demonstrations of the 18th European Conference on Artificial Intelligence, ECAI 2008, Patras, Greece, 2008. [PDF]

C15.  Todor Ganchev, Alexandros Lazaridis, Iosif Mporas, Nikos Fakotakis, "Average Performance Loss Measure for Assessment of Voice Conversion Systems", In Proc. of the 13th International Conference "SPEECH and COMPUTER", SPECOM 2009, Saint-Petersburg, Russia, pp. 275-280, 2009. [PDF]

C16.  Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Greek - Cypriot Dialect Recognition based on Phone Recognition", In Proc. of the 13th International Conference "SPEECH and COMPUTER", SPECOM 2009, Saint-Petersburg, Russia, pp. 271-274, 2009. [PDF]

C17.  Iosif Mporas, Otilia Kocsis, Todor Ganchev, Nikos Fakotakis, "A collaborative speech enhancement approach for speech recognition in motorcycle environment", In Proc. of the 16th International Conference on Digital Signal Processing, DSP 2009, Santorini, Greece, 2009. [PDF]

C18.  Iosif Mporas, Alexandros Lazaridis, Todor Ganchev, Nikos Fakotakis, "Using Hybrid HMM-based Speech Segmentation to improve Synthetic Speech Quality", In Proc. of the 13th Pan-Hellenic Conference on Informatics, PCI 2009, Corfu, Greece, pp. 118-122, 2009. [PDF] 

C19.  Iosif Mporas, Todor Ganchev, Theodoros Kostoulas, Katia Kermanidis, Nikos Fakotakis, "Automatic Speech Recognition System for Home Appliances Control", In Proc. of the 13th Pan-Hellenic Conference on Informatics, PCI 2009, Corfu, Greece, pp. 114-117, 2009. [PDF]

C20.  Alexandros Lazaridis, Theodoros Kostoulas, Todor Ganchev, Iosif Mporas, Nikos Fakotakis, "Vergina: A Modern Greek Speech Database for Speech Synthesis", In Proc. of the 7th International Conference on Language Resources and Evaluation, LREC 2010, Malta, pp. 117-121, 2010. [PDF]

C21.  Todor Ganchev, Iosif Mporas, Nikos Fakotakis, "Automatic Height Estimation from Speech in Real-world Setup", In Proc. of the 18th European Signal Processing Conference, EUSIPCO 2010, Aalborg, Denmark, pp. 800-804, 2010. [PDF]

C22.  Alexandros Lazaridis, Iosif Mporas, Todor Ganchev, Nikos Fakotakis, "Support Vector Regression Fusion Scheme in Phone Duration Modeling", In Proc. of the 36th IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2011, Prague, Czech Republic, pp. 4732-4735, 2011. [PDF]

C23.  Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, "Dynamic Selection of a Speech Enhancement Method for Robust Speech Recognition in Moving Motorcycle Environment", In Proc. of the 36th IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2011, Prague, Czech Republic, pp. 5176-5179, 2011. [PDF]

C24.  Iosif Mporas, Todor Ganchev, Otilia Kocsis, Nikos Fakotakis, Olaf Jahn, Klaus Riede, Karl-L. Schuchmann, "Automated Acoustic Classification of Bird Species from Real -Field Recordings", In Proc. of the IEEE International Conference on Tools with Artificial Intelligence, ICTAI 2012, Athens, Greece. [PDF]

C25.  Vasileios G. Kanas, Iosif Mporas, Heather L. Benz, Nikos Fakotakis, Kyriakos N. Sgarbas, Nathan E. Crone, Anastasios Bezerianos, "Detection of human speech with electrocorticography", In Proc. of the 5th Panhellenic Conference on Biomedical Technology, ELEVIT 2013, Athens, Greece. [PDF]

C26.  Maria-Anna Fengou, Iosif Mporas, Dimitrios Lymberopoulos, "Unsupervised Clustering of Patient Centric Models to Cluster Centric Models for Ubiquitous Healthcare Environment", IEEE BIBE 2013, Chania, Greece. [PDF]

C27.  Vasileios Kanas, Iosif Mporas, Heather Benz, Kyriakos Sgarbas, Nathan Crone, Anastasios Bezerianos, "Spatio-Spectral Analysis of ECoG Signals during Voice Activity", In Proc. of the 13th IEEE International Conference on Bioinformatics and Bioengineering, BIBE 2013, Chania, Greece. [PDF]

C28.  Evangelia I. Zacharaki, Kyriakos Garganis, Iosif Mporas, Vasileios Megalooikonomou, "Spike detection in EEG by LPP and SVM", In Proc. of the IEEE-EMBS International Conference on Biomedical and Health Informatics, BHI 2014, Valencia, Spain. [PDF]

C29.  Iosif Mporas, Vasiliki Tsirka, Evangelia I. Zacharaki, Michalis Koutroumanidis, Mark Richardson, Vasileios Megalooikonomou, "Evaluation of Time and Frequency Domain Features for Seizure Detection from Combined EEG and ECG signals", In Proc. of the 7th International Conference on PErvasive Technologies Related to Assistive Environments, PETRA 2014, Rhodes, Greece. [PDF]

C30.  Olga Politi, Iosif Mporas, Vasileios Megalooikonomou, "Human Motion Detection in Daily Activity Tasks using Wearable Sensors", In Proc. of the 22nd European Signal Processing Conference, EUSIPCO 2014, pp. 2315 - 2319, Lisbon, Portugal. [PDF]

C31.  Vasileios G. Kanas, Iosif Mporas, Heather Benz, Kyriakos Sgarbas, Anastasios Bezerianos, Nathan Crone, "Real-time voice activity detection for ECoG-based speech brain machine interfaces", In Proc. of the 19th International Conference on Digital Signal Processing, DSP 2014, pp. 862 - 865, Hong Kong. [PDF]

C32.  Vasileios G. Kanas, Iosif Mporas, Heather Benz, Kyriakos Sgarbas, Nathan Crone, Anastasios Bezerianos, "Optimal Selection of Electrocorticographic Sensors for Voice Activity Detection", In Proc. of The 13th International Conference on Control, Automation, Robotics and Vision, ICARCV 2014, Singapore. [PDF]

C33.  Evangelia Pippa, Evangelia Zacharaki, Iosif Mporas, Vasiliki Tsirka, Mark Richardson, Michael Koutroumanidis, Vasileios Megalooikonomou, "Classification of Epileptic and Non-Epileptic EEG Events", In Proc. of the 4th International Conference on Wireless Mobile Communication and Healthcare, MOBIHEALTH 2014, Athens, Greece. [PDF]

C34.  Evangelia Pippa, Iosif Mporas, "Unsupervised Analysis of EEG signals for the discovery of ictal patterns", In Proc. of the 8th SFHMMY Conference 2015, Patras, Greece. [PDF]

C35.  Athanasia Koumpouri, Iosif Mporas, Vasileios Megalooikonomou, "Feature Selection Evaluation for Improving Opinion Mining of Web Authors", PCI 2015, 2015, Athens, Greece. [PDF].

C36.  Iosif Mporas, Anastasia Efstathiou, Vasileios Megalooikonomou, "Improving Sleep Stage Classification from Electroencephalographic Signals by Fusion of Contextual Information", IEEE BIBE 2015, Belgrade, Serbia. [PDF].

C37.  Athanasia Koumpouri, Iosif Mporas, Vasileios Megalooikonomou, "Evaluation of Four Approaches for “Sentiment Analysis on Movie Reviews”: The Kaggle Competition", In Proc. of the 16th International Conference on Engineering Applications of Neural Networks (INNS), Article No. 23, EANN 2015, Rhodes, Greece. [PDF]

C38.  Evangelia Pippa, Iosif Mporas, Vasileios Megalooikonomou, "Automatic Estimation of the Optimal AR Order for Epilepsy Analysis Using EEG Signals", In Proc. of the IEEE 15th International Conference on Bioinformatics and Bioengineering, BIBE 2015, [PDF].

C39.  Iosif Mporas, Michael Paraskevas, "Automatic Forest Wood Logging Identification based on Acoustic Monitoring", In Proc. of the 9th Hellenic Conference on Artificial Intelligence, SETN 2016. [PDF].

C40.  Evangelia Pippa, Iosif Mporas, Vasileios Megalooikonomou, "Feature Selection Evaluation for Light Human Motion Identification in Frailty Monitoring System", In Proc. of the 2nd International Conference on Information and Communication Technologies for Ageing Well and e-Health, ICT4AWE 2016. [PDF].

C41.   Iosif Mporas, Safavi Saeid, Gan Hock, Reza Sotudeh, "Evaluation of Classification Algorithms for Text Dependent and Text Independent Speaker Identification", In Proc. of the IEICE Information and Communication Technology Forum 2016, Patras, Greece [PDF].

C42.  Saeid Safavi, Hock Gan, Iosif Mporas, Reza Sotudeh, "Fraud Detection in Voice-based Identity Authentication Applications and Services", IEEE International Conference on Data Mining, ICDM 2016, pp. 1074-1081. [PDF]

C43.  Alexandros Lazaridis, Ivan Himawan, Petr Motlicek, Iosif Mporas, Philip N. Garner, "Investigating Cross-lingual Multi-level Adaptive Networks: The Importance of the Correlation of Source and Target Languages", 13th International Workshop on Spoken Language Translation, IWSLT 2016. [PDF].

C44.  Nikolaos Spatiotis, Iosif Mporas, Michael Paraskevas, Isidoros Perikos, "Sentiment Analysis for the Greek Language", PCI 2016. [PDF]

C45.  Prasitthichai Naronglerdrit, Iosif Mporas, Reza Sotudeh, "Monitoring of Indoors Human Activities using Mobile Phone Audio Recordings", IEEE 13th International Colloquium on Signal Processing & Its Applications, IEEE CSPA 2017 (best paper award). [PDF]

C46.  Saeid Safavi, Hock Gan, Iosif Mporas, "Improving Speaker Verification Performance under Spoofing Attacks by Fusion of Different Operational Modes", IEEE 13th International Colloquium on Signal Processing & Its Applications, IEEE CSPA 2017. [PDF]

C47.  Saeid Safavi, Iosif Mporas, "Combination of Rule-based and Data-driven Fusion Methodologies for Different Speaker Verification Modes of Operation", 10th IEEE International Conference on Cyber, Physical and Social Computing, IEEE CPSCom-2017. [PDF]

 

©Iosif Mporas, October 2017

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