• Jump to: Books
• Jump to: Patents
• Jump to: Journals
• Jump to: Conferences
• Jump to: Open-access
• Jump to: Magazines
• Jump to: Datasets
• Jump to: R&D projects
• Jump to: Theses
• Jump to: Other

Books

Optimal testing strategies for infectious diseases

H. Georgiou (in chapter).
Book published by Springer. Screening tests for infectious diseases is a problem typically addressed in the field of Medicine and Epidemics. However, as the SARS-CoV-2 pandemic emerged, it became clear that there is no globally accepted strategy for optimizing such procedures, e.g. in international transportation and border checks, which policy makers can employ. In this study, the general problem of developing optimal testing strategies for infectious diseases is explored under the scope of Game Theory, sampling and estimation methods from classic Statistics, as well as Bayesian methods for the proper treatment of posterior updates, leading to the benefits of employing Machine Learning for data-driven structural risk minimization. Six main guidelines are established by this work, dictating estimated variance of prevalence and associated risk as the main minimization target, in terms of both a criterion for inflow quotas allocation between population groups, as well as optimal posterior updates via classic confidence intervals and Bayesian methods. As a result, it is established that minimum infection risk, not optimal resource allocation, is the real challenge and top priority in formalizing optimal screening strategies for such risk mitigation policies.
In: “The Science behind the COVID Pandemic and Healthcare Technology Solutions”, pp. 145-170, Springer, 2022 - doi:10.1007/978-3-031-10031-4_8 (Springer link) – https://doi.org/10.5281/zenodo.7277665

Mobility analytics and COVID-19 in Greece

H. Georgiou, C. Theodoridis, Y. Theodoridis (in chapter).
Book published by Springer. This work is focused on multi-aspect analytics of epidemic data, using Greece as the use case for assessing the national outbreak and estimating the general trends and outlook of it since the beginning of the pandemic in early 2020 up to the end of 2020. Using methodologies from compartmentalized epidemic modelling, data analytics and machine learning, several insights are presented with regard to early tracking of the evolving outbreak, despite having to deal with data scarcity, inconsistencies and quality issues. It is intended to be used as a guideline for data-related challenges on producing actionable information to decision-makers during an active epidemic.
In: “The Science behind the COVID Pandemic and Healthcare Technology Solutions”, pp. 305-327, Springer, 2022 - doi:10.1007/978-3-031-10031-4_15 (Springer link) – https://doi.org/10.5281/zenodo.7277681

Big Data Analytics for Time Critical Mobility Forecasting – From raw data to trajectory-oriented mobility analytics in the aviation and maritime domains (1st edition)

H. Georgiou, P. Petrou, P. Tampakis, S. Sideridis, E. Chondrodima, N. Pelekis, Y. Theodoridis, et.al. (in chapter)
Book published by Springer. Spatiotemporal mobility data has significant role and impact on the global economy and our everyday lives. The improvements along the last decades in terms of data management, planning of operations, security of operations, information provision to operators and end-users, has been driven by location-centred information. While a shift of paradigm regarding mobility data towards trajectory-oriented tasks is emerging, the ever-increasing volume of data emphasizes the need for advanced methods supporting detection and prediction of events and trajectories, supplemented by advanced visual analytic methods, over multiple heterogeneous, voluminous, fluctuating, and noisy data streams of moving entities. This book provides a comprehensive and detailed description of Big Data solutions towards activity detection and forecasting in very large numbers of moving entities spread across large geographical areas. Specifically, following a trajectory oriented approach, this book reports on state of the art methods for the detection and prediction of trajectories and important events related to moving entities, together with advanced visual analytics methods, over multiple heterogeneous, voluminous, fluctuating, and noisy data streams from moving entities, correlating them with data from archived data sources expressing, among others, entities’ characteristics, geographical information, mobility patterns, regulations and intentional data (e.g. planned routes), in a timely manner. Solutions provided are motivated, validated and evaluated in user-defined challenges focusing on increasing the safety, efficiency and economy of operations concerning moving entities in the Air-Traffic Management and Maritime domains.

Urban Informatics – Visual Analytics for Characterizing Mobility Aspects of Urban Context (1st edition)

G. Andrienko, N. Andrienko, F. Patterson, S. Chen, R. Weibel, H. Huang, C. Doulkeridis, H. Georgiou, N. Pelekis, Y. Theodoridis, et.al. (in chapter)
Book published by Springer (2020), ISBN: 978-981-15-8982-9. The science of visual analytics (Thomas and Cook, 2005) develops principles, methods, and tools to enable synergistic work between humans and computers through interactive visual interfaces. Such interfaces support the unique capabilities of humans (such as the flexible application of prior knowledge and experiences, creative thinking, and insight) and couple these abilities with machines’ computational strengths, enabling the generation of new knowledge from large and complex data. In this chapter, we describe visual analytics approaches that are related to the study of urban mobility data and discuss how visual analytics can support analysis of such data and informed, justifiable decision making. We address different stages of the urban data science process, including data quality assessment, data transformation, exploration and analysis, and indicate possibilities for model building, evaluation, and refinement. We conclude this chapter with a summary of achievements, unsolved problems, and future research directions.

Machine Learning: A Bayesian and Optimization Perspective (1st edition)

S. Theodoridis. Book published by Elsevier This book gives a unifying perspective on machine learning by covering both probabilistic and deterministic approaches, together with the Bayesian inference approach. The material presents the major machine learning methods as they have been developed in different disciplines, such as statistics, statistical and adaptive signal processing and computer science. It builds carefully from the basic classical methods to the most recent trends, making the text suitable for different courses: pattern recognition, statistical/adaptive signal processing, statistical/Bayesian learning, as well as short courses on sparse modeling, deep learning, and probabilistic graphical models. (Harris Georgiou: acknowledged for contribution/proof-reading) Elsevier, 1st/edition, ISBN:978-0128015223, 10-Apr-2015. [UoA/S.Theodoridis: book's homepage ]

Transforming Clothing Production into a demand-driven, knowledge-based, high-tech industry - The Leapfrog paradigm

H. Georgiou, G. Kartsounis (members of the team of AUA, subcontractor to Hohenstein Institute, contributing authors). Book published by Springer, regarding advances in nanotechnology and innovative polymeric materials, flexible robotics and innovative joining techniques, 3D CAD and Collaborative Virtual Prototyping, knowledge networking of textile and garment organizations. The book is a collection of short papers from prominent researchers involved with the LEAPFROG (Leadership for European Apparel Production From Research along Original Guidelines) initiative. LEAPFROG proposes a revolutionary industrial paradigm based on research results in scientific-technological fields, outlining key developments in all of the above areas, covering both technological and business aspects. It is an excellent reference for decision makers, managers, scientists and practitioners in the textile and clothing sectors, as well as academics and postgraduate students across a range of disciplines. (results from: LEAPFROG-IP, 6th Framework, FP6-2003-NMP-NI-3, Contract No: 515810). Springer, 1st/edition, ISBN:978-1-84882-607-6, 29-Sept-2009. [download: preface/TOC (pdf) from Springer.com]

Pattern Recognition (4th edition)

S. Theodoridis, C. Koutroumbas. Book published by Academic Press, a classic textbook covering classical and current theory and practice, of supervised, unsupervised and semi-supervised pattern recognition, to build a complete background for professionals and students of engineering. The authors, leading experts in the field of pattern recognition, have provided an up-to-date, self-contained volume encapsulating this wide spectrum of information. The very latest topics are incorporated in this edition, including semi-supervised learning, combining clustering algorithms, and relevance feedback. (Harris Georgiou: acknowledged for contribution/proof-reading) Academic Press, 4th/edition, ISBN:978-1597492720, 04-Nov-2009. [UoA/S.Theodoridis: book's homepage ]

Algorithms for Medical Image Analysis – Part I: Applications Programming (in Greek)

H. Georgiou. Book published by Arnaoutis Publ. (Oct. 2012). The book is the first part of a two-volume work on all the intermediate processing levels in Computer Aided Diagnosis (CAD) or Automated Computer Diagnosis (ACD), focused primarily on the programming and development of relevant applications. It also covers all the necessary background theory and algorithms for Image Analysis and Medical Imaging, as well as Pattern Recognition and Machine Learning. All the material covered in this book is complete and independent, focusing on the characterization of ultrasonic images of human liver for diagnostic purposes, employing a wide variety of methodologies of statistical image analysis and Machine Learning. The same material has been used for lectures and tutorials in graduate (BSc) and post-graduate (MSc) level courses taught by the author for many years, in relation to Artificial Intelligence and Digital Imaging, as well as programming algorithms for Pattern Recognition. The book is accompanied by full source code (ANSI C/C++) of more than 12.000 lines and complete description of the implemented full applications that are presented therein. Arnaoutis Publ., ISBN: 978-9609764094, 19-Oct-2012. [ Publisher's homepage ]

Algorithms for Medical Image Analysis – Part II: Morphological and Texture Characterization via Machine Learning (in Greek)

H. Georgiou. Book published by Arnaoutis Publ. (Oct. 2012). The book is the second part of a two-volume work on all the intermediate processing levels in Computer Aided Diagnosis (CAD) or Automated Computer Diagnosis (ACD), focused primarily on the theoretical aspects of related algorithms and methodologies. The material covers a wide theoretical background regarding all the intermediate stages of Diagnostic Imaging, while at the same time focusing on specific techniques and experimental results on Image Analysis & Medical Imaging and Pattern Recognition. All the material covered in this book is complete and independent, focusing on the characterization of tumorous masses in mammographic images of human breast for diagnostic purposes, employing a wide variety of methodologies of statistical image analysis and Machine Learning. The same material has been used for lectures and tutorials in graduate (BSc) and post-graduate (MSc) level courses taught by the author for many years, in relation to Machine Learning and Digital Imaging, as well as programming algorithms for Pattern Recognition. It includes a very extended list of more than 860 relevant bibliographic references and it can be used as a valuable textbook for every new student, researcher and teacher in these topics. Arnaoutis Publ., ISBN: 978-9609764100, 19-Oct-2012. [ Publisher's homepage ]

Patents

U.S. Patent No. 7,664,227 B2: Intelligent Adaptive X-Ray Imaging System

Filed: 11-May-2007 (appl. no. 11/801,782), Granted: 16-Feb-2010, Inventors: R. Speller – G. Royle (UCL). Contribution (H.G.): Member of the workgroup and co-author of related publications, with regard to the I-ImaS research project (EU, 6th Framework, Project No: FP6-505593-1, 2004-2007), co-designer of the on-line image analysis & content-based automatic exposure control for medical radiological equipment, worked as associate research contractor with Research Academic Computer Technology Institute, Greece (CTI) and Informatics & Telecommunications Department, National Kapodistrian University of Athens, Greece (DIT/NKUA-UoA), officially representing these two institutions throughout the entire I-ImaS project period. [details: US7664227 (summary) / download: US7664227 (full text/pdf) ] -- http://dx.doi.org/10.5281/zenodo.59594

Journal Publications

Particle Swarm Optimization and RBF Neural Networks for public transport arrival time prediction using GTFS data

E. Chondrodima, H. Georgiou, N. Pelekis, Y. Theodoridis.
International Journal of Information Management Data Insights (IJIMDI), Vol. 2, Issue 2, Nov. 2022, 100086 (doi: 10.1016/j.jjimei.2022.100086).

Semantic-aware Aircraft Trajectory Prediction using Flight Plans

H. Georgiou, N. Pelekis, S. Sideridis, D. Scarlatti, Y. Theodoridis.
International Journal of Data Science and Analytics (IJDSA), 9(2), pp.215–228 (March 2020) (doi:10.1007/s41060-019-00182-4).

Citizens' campaigns for environmental water monitoring: lessons from field experiments

Th. Assumpcao, A. Jonoski, I. Theona, C. Tsiakos, M. Krommyda, St. Tamascelli, A. Kallioras, M. Mierla, H. Georgiou, et.al.
IEEE Access – Special Section: Advanced Sensor Technologies on Water Monitoring and Modeling, Vol.7, Issue 1, pg. 134601-134620, Dec. 2019 (doi:10.1109/ACCESS.2019.2939471).

A fully automated scheme for mammographic segmentation and classification based on breast density and asymmetries

S. Tzikopoulos, M. Mavroforakis, H. Georgiou, N. Dimitropoulos, S. Theodoridis.
Computer Methods and Programs in Biomedicine, 102 (1) (2011), pp.47–63 (doi:10.1016/j.cmpb.2010.11.016).

Characterization of the Components of a Prototype Scanning Intelligent Imaging System for Use in Digital Mammography: The I-ImaS System

Esbrand, C.J.; Arvanitis, C.D.; Pani, S.; Price, B.D.; Griffiths, J.A.; Metaxas, M.; Royle, G.J.; Noy, M.; Leaver, J.; Longo, R.; Rokvic, T.; Turchetta, R.; Georgiou, H.; Schulerud, H.; Speller, R.D.
IEEE Transactions on Nuclear Science, 56 (3) (2009), pp. 1419-1425 (doi:10.1109/TNS.2009.2015762).

Subjective image quality of lateral cephalometric radiographs with and without applying a predicting model

G. Li, J. Verheij, P.F. van der Stelt, R. Speller, J. Griffiths, M. Metaxas, G. Royle, F. Psomadellis, R. Turchetta, A. Fant, S. Theodoridis, H. Georgiou, G. Hall, J. Ostby, H. Schulerud, F. Triantis, N. Manthos, R. Longo, C. Venanzi.
Chinese Journal of Dental Research, Vol.11, N.2, pp. 96-100, 2008. (doi: ???).

Design and characterization of the I-ImaS multi-element x-ray detector system

J.A. Griffiths, C. Venanzi, R.D. Speller, G.J. Royle, M.G. Metaxas, C. Esbrand, P.F. van der Stelt, G. Li, H. Verheij, R. Turchetta, A. Fant, P. Gasiorek, S. Theodoridis, H. Georgiou, D. Cavouras, G. Hall, M. Noy, J. Jones, J. Leaver, D. Machin, S. Greenwood, M. Khaleeq, J. Ostby, H. Schulerud, F. Triantis, A. Asimidis, D. Bolanakis, N. Manthos, R. Longo, A. Bergamaschi.
IEEE Transactions on Nuclear Science, 55 (3) (2008), pp. 827-832. (doi:10.1109/TNS.2008.2000477).

Preliminary images from an adaptive imaging system

J.A. Griffiths, M.G. Metaxas, S. Pani, H. Schulerud, C. Esbrand, G.J. Royle, B. Price, T. Rokvic, R. Longo, A. Asimidis, E. Bletsas, D. Cavouras, A. Fant, P. Gasiorek, H. Georgiou, G. Hall, J. Jones, J. Leaver, G. Li, D. Machin, N. Manthos, J. Matheson, M. Noy, J.M. Ostby, F. Psomadellis, P.F. van der Stelt, S. Theodoridis, F. Triantis, R. Turchetta, C. Venanzi, R.D. Speller.
Physica Medica, Volume 24, Issue 2, June 2008, Pages 117-121. (doi:10.1016/j.ejmp.2008.01.003).

Multi-scaled Morphological Features for the Characterization of Mammographic Masses Using Statistical Classification Schemes

H. Georgiou, M. Mavroforakis, N. Dimitropoulos, D. Cavouras, S. Theodoridis
Artificial Intelligence in Medicine, 41 (1) (2007), pp.39-55. (doi:10.1016/j.artmed.2007.06.004) [ download]

CMOS Monolithic Active Pixel Sensors (MAPS): Developments and future outlook

R. Turchetta, A. Fant, P. Gasiorek, C. Esbrand, J.A. Griffiths, M.G. Metaxas, G.J. Royle, R. Speller, C. Venanzi, P.F. Van der Stelt, H. Verheij, G. Li, S. Theodoridis, H. Georgiou, D. Cavouras, G. Hall, M.Noy, J. Jones, J. Leaver, D. Machin, S. Greenwood, M. Khaleeq, H. Schulerud, J.M. Ostby, F. Triantis, A. Asimidis, D. Bolanakis, N. Manthos, R. Longo, A. Bergamaschi.
Nucl. Instr. Meth. Res. A, 582 (3)(2007) 866-870. (doi:10.1016/j.nima.2007.07.112)

I-IMAS: A 1.5D sensor for high resolution scanning

A. Fant, P. Gasiorek, R. Turchetta, B. Avset, A. Bergamaschi, D. Cavouras, I. Evangelou, M.J. French, A. Galbiati, H. Georgiou, G. Hall, G. Iles, J. Jones, R. Longo, N. Manthos, M.G. Metaxas, M. Noy, J.M. Ostby, F. Psomadellis, G.J. Royle, H. Schulerud, R.D. Speller, P.F. van der Stelt, S. Theodoridis, F. Triantis, C. Venanzi.
Nucl. Instr. Meth. Res. A, 573 (1-2)(2007) 27-29. (doi:10.1016/j.nima.2006.10.389)

Mammographic Masses Characterization, based on Localized Texture and Dataset Fractal Analysis, Using Linear, Neural and SVM Classifiers

M. Mavroforakis, H. Georgiou, N. Dimitropoulos, D. Cavouras, S. Theodoridis
Artificial Intelligence in Medicine, Vol 37 (2) (2006) 145-162. (doi:10.1016/j.artmed.2006.03.002) [ download]

Significance Analysis of Qualitative Mammographic Features Using Linear Classifiers, Neural Networks and Support Vector Machines

M. Mavroforakis, H. Georgiou, N. Dimitropoulos, D. Cavouras, S. Theodoridis
European Journal of Radiology, 54 (2005) 80-89. (doi:10.1016/j.ejrad.2004.12.015) [ download]

Conference Publications

Evolution of Urban Search & Rescue (USAR) operations with remote sensing and information management via emerging ICT and robotics technologies for field deployment

H. Georgiou, A. Andriopoulou, A. Vlachopoulos
Information Technology in Disaster Risk Reduction (ITDRR 2024), 14-16 Oct 2024 @ Krems, Austria, ISSN:..., pp. (...), online Proceedings (TBD)
[ poster]

Optimizing the deployment and use of new technologies in Search and Rescue: A recap from recent missions

H. Georgiou, A. Vlachopoulos, A. Andriopoulou
Proc. of the 22nd ISCRAM Conference, Track 17: Practitioner Talks (ISCRAM 2024), 25-29 May 2024 @ Munster, Germany, ISSN:..., pp. (...), online Proceedings (TBD)
[ paper / presentation]

Non-intrusive continuous data monitoring of sleeping pose and movement for improved assessment of patients with Parkinson’s disease (in Greek)

Α. Simitsi, Κ. Lourentzos, Ν. Papagiannakis, L. Stefanis, Α. Bonakis, G. Koutalieris, H. Georgiou, Α. Koumparos, S. Symeonidis
50th Annual Greek Medical Conference 2024 (EPIS-50), 25-27 Apr 2024 @ Greece / “Basic Research” paper award 2024 / online Proceedings (TBD)
[ paper / presentation]

Lessons from recent disaster events and new technologies for future USAR missions (INTREPID EU H2020)

H. Georgiou, A. Vlachopoulos, A. Tzeletopoulou, A. Andriopoulou
(SafeAttica 2023:) New technologies for Civil Protection services (SafeGreece 2023), 25-27 Sept 2023 @ Greece, online Proceedings (TBD) Zenodo: 10.5281/zenodo.8192263
[ paper / presentation]

Genetic profiling of olives for location of origin and variety discrimination using Machine Learning

M. Mavroforakis, H. Georgiou.
IEEE Intl. Conf. on Internet of Things and Intelligence System (IoTaIS 2022), 24-26/11/2022 @ Bali, Indonesia.
[ paper / presentation]

Detection of victims with UAVs during wide area Search and Rescue operations

F. Steinhausler, H. Georgiou.
IEEE Intl. Symposium on Safety, Security and Rescue Robotics (SSRR 2022), 8-10/11/2022 @ Seville, Spain.
[ paper / presentation]

MoRSE: Deep Learning-based Arm Gesture Recognition for Search and Rescue Operations

P. Kasnesis, C. Chatzigeorgiou, D. Kogias, C. Patrikakis, H. Georgiou, A. Tzeletopoulou.
IEEE 8th World Forum on Internet of Things – IoT and First Responders (WF-IoT 2022), 26/10-11/11/2022 @ Yokohama, Japan.
[ paper / presentation]

Evaluation of programming languages for school teaching (in Greek)

H. Georgiou.
3rd Pan-Hellenic Conference Scientix for STEM Education (Scientix 2022), 23-25/9/2021 @ Athens, Greece, online Proceedings (...).Scientix 2022
[ paper / presentation]

Smart textiles and biometrics/movement data fusion in deep learning for Search and Rescue operations – FASTER (EU Horizon 2020)

E. Katsadouros, P. Kasnesis, D. Kogias, C. Patrikakis, A. Vlachopoulos, A. Tzeletopoulou, H. Georgiou.
2022 SafeGreece: New technologies for Civil Protection services (SafeGreece 2022), 29/9-1/10/2022 @ Thessaloniki, Greece (online Proceedings).SafeGreece 2022
[ paper / presentation]

Field trials of information fusion, expert reasoning, social media exploitation and worksite operations in SAR missions – INGENIOUS (EU Horizon 2020)

A. Vlachopoulos, A. Tzeletopoulou, H. Georgiou, P. Linardatos, G. Diles, T. Papadimos, Z. Vasileiou, S. Kintzios, A. Amditis, N. Skepetari.
2022 SafeGreece: New technologies for Civil Protection services (SafeGreece 2022), 29/9-1/10/2022 @ Thessaloniki, Greece (online Proceedings).Zenodo: 10.5281/zenodo.7158825
[ paper / presentation]

First pilot testing of Tactical Communication System, Symbiotic Operation Control Module, Smart UGVs and Smart UAVs at the Stockholm metro station – INTREPID (EU Horizon 2020)

A. Tzeletopoulou1, A. Vlachopoulos, H. Georgiou, D. Sloof, K. Galanopoulou, J. Lind, M. Faber.
2022 SafeGreece: New technologies for Civil Protection services (SafeGreece 2022), 29/9-1/10/2022 @ Thessaloniki, Greece (online Proceedings).SafeGreece 2022
[ paper / presentation]

Views and Experiences on the Use of Robotic Technologies in USAR operations

H. Georgiou (keynote).
Session: "Robotics innovations in urban search and rescue operations" @ HNPW – Humanitarian Networks and Partnerships Weeks 2022 (UN/OCHA), 5 Mar 2022 (virtual). CURSOR project (EU H2020)
[ presentation]

Emergency response in recent urban/suburban disaster events in Attica: Technology gaps, limitations and lessons learned

H. Georgiou (keynote).
EU-Japan Symposium on Advanced Technologies for First responders @ CERIS – DISASTER RESILIENT SOCIETIES Cluster Conference 2022, 21-25 Mar 2022 (virtual). CERIS-DRS 2022
[ presentation]

Field trials of emergency alerting, ad-hoc networking and smart textiles at the Afidnes Training Center (ATC) – FASTER (EU Horizon 2020)

A. Tzeletopoulou, A. Vlachopoulos, H. Georgiou, P. Kasnesis, C. Chatzigeorgiou, D. Kogias, C. Patrikakis.
2021 SafeGreece: New technologies for Civil Protection services (SafeGreece 2021), 24-26 Nov 2021 @ Greece (virtual), online Proceedings (ISSN:2654-1823).SafeGreece 2021
[ paper / poster]

Public Transport Arrival Time Prediction based on GTFS data

E. Chondrodima, H. Georgiou, N. Pelekis, Y. Theodoridis.
7th Intl. Conf. on Machine Learning, Optimization, and Data Science (LOD 2021), 4-8 Oct 2021 @ Grasmere, Lake District, UK.https://lod2021.icas.cc/
[ paper]

Water Underground: Real-time, continuous monitoring of the underground water's quantity and quality

M. Mavroforakis, H. Georgiou, V. Malisiovas, C. Psychias, D. Papadimitriou, K. Sarioglou.
17th Intl. Conf. on Environmental Science and Technology (CEST 2021), 1-4 Sept 2021 @ Athens, Greece.https://cest2021.gnest.org/
[ paper]

Sequoia: Building a compiler/interpreter for an SQL-like data analytics language using Python

H. Georgiou.
2020 Free and Open Source Software Communities Meeting (FOSSCOMM 2020), 21-22 Nov 2020 @ Greece (virtual). Zenodo: 10.5281/zenodo.8210577
[ presentation]

Resilient communications and UAV fleet for future Search & Rescue operations

H. Georgiou, A. Vlachopoulos, A. Tzeletopoulou, et.al. (CURSOR EU H2020)
2020 SafeGreece: New technologies for Civil Protection services (SafeGreece 2020), 14-16 Oct 2020 @ Greece (virtual), online Proceedings (ISSN:2654-1823) pp.129-132. https://safegreece.org
[ paper / presentation]

Enabling gesture-based controls for first responders and K9 units

A. Vlachopoulos, H. Georgiou, A. Tzeletopoulou, et.al. (FASTER EU H2020)
2020 SafeGreece: New technologies for Civil Protection services (SafeGreece 2020), 14-16 Oct 2020 @ Greece (virtual), online Proceedings (ISSN:2654-1823) pp.135-138. https://safegreece.org
[ paper / presentation]

Smart boots, fusion engine and aerial assets for enhanced situational awareness and safety in Search & Rescue operations

H. Georgiou, A. Vlachopoulos, A. Tzeletopoulou, et.al. (INGENIOUS EU H2020)
2020 SafeGreece: New technologies for Civil Protection services (SafeGreece 2020), 14-16 Oct 2020 @ Greece (virtual), online Proceedings (ISSN:2654-1823) pp.143-146. https://safegreece.org - Zenodo: (preprint)
[ paper / presentation]

Emergency response in recent urban/suburban disaster events in Attica: Technology gaps, limitations and lessons learned

S. Chrysanthopoulos, T. Kapetanakis, G. Chaidemenos, S. Vernardos, H. Georgiou, C. Rossi.
Proc. of the 17th ISCRAM Conference, Track 14: Technologies for First Responders (ISCRAM 2020), 24-27 May 2020 @ Blacksburg, VA, USA [Best Paper / Murray Turoff Award] ISSN:978-1-949373-27-88, s/n:2289, pp. 984-989 – http://idl.iscram.org - Zenodo: (preprint)
[ extended / final]

INGENIOUS: The First Responder of the Future – A Next Generation Integrated Toolkit for Collaborative Response, Increasing Protection and Augmenting Operational Capacity

H. Georgiou, A. Tzeletopoulou, A. Vlachopoulos, et. al.
2019 SafeCorfu: New technologies for Civil Protection services (SafeCorfu 2019) (ISSN:2654-1823), 6-9 Nov 2019 @ Corfu, Greece. - Zenodo: (preprint)
[ summary / presentation]

CURSOR: Coordinated Use of Miniaturized Robotic Equipment and Advanced Sensors for Search and Rescue Operations

H. Georgiou, A. Tzeletopoulou, A. Vlachopoulos, et. al.
2019 SafeCorfu: New technologies for Civil Protection services (SafeCorfu 2019) (ISSN:2654-1823), 6-9 Nov 2019 @ Corfu, Greece.
[ summary / presentation]

FASTER: First Responder Advanced Technologies for Safe and Efficient Emergency Response

H. Georgiou, A. Tzeletopoulou, A. Vlachopoulos, et. al.
2019 SafeCorfu: New technologies for Civil Protection services (SafeCorfu 2019) (ISSN:2654-1823), 6-9 Nov 2019 @ Corfu, Greece.
[ summary / presentation]

Data Analytics & Mining with R – A hands-on Workshop

H. Georgiou.
2019 Free & Open-Source Software Communities Meeting (FOSSCOMM 2019), 11-13 Oct 2019 @ Lamia, Greece.
Preprint [ to appear]

Online long-term trajectory prediction based on mined route patterns

P. Petrou, P. Tampakis, H. Georgiou, N. Pelekis, Y. Theodoridis.
2019 European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD’19), 16-20 Sept 2019 @ Wurzburg, Germany.
Preprint [ download]

ARGO: A Big Data Framework for Online Trajectory Prediction

P. Petrou, P. Nikitopoulos, P. Tampakis, A. Glenis, N. Koutroumanis, G. Santipantakis, K. Patroumpas, A. Vlachou, H. Georgiou, et.al.
16th International Symposium on Spatial and Temporal Databases (SSDT’19), 19-21 Aug 2019 @ Vienna, Austria.
Preprint [ download]

Semantic-aware Aircraft Trajectory Prediction using Flight Plans

H. Georgiou, N. Pelekis, S. Sideridis, D. Scarlatti, Y. Theodoridis.
17th Hellenic Database Management Symposium (HDMS’19), 8-9 Jul 2019 @ Athens, Greece.
Presentation [ download]

Fractured Big Web – Stories from the field and how to make things work

H. Georgiou.
Network of networks Workshop (invited talk), Internet Society (ISOC) – Switzerland chapter, 19 Jun 2019 @ University of Zurich (UZH), Switzerland.
Presentation [ download]

Business Innovation in the Development of Big Data Toolboxes for the Management of Professional Vehicle Fleets

A. Koumparos, G. Koutalieris, C. Doulkeridis, H. Georgiou, et.al.
10th Int. Conf. on Ambient Systems, Networks and Technologies (ANT’19), 29 April– 2 May 2019 @ Leuven, Belgium.
Presentation [ download]

HRTA research involvement and feedback on extended USAR operations in the recent devastating events in Greece (flood in Mandra and wildfire in Mati

H. Georgiou, A. Ntais, et. al. (HRTA)
INACHUS Final Event / Workshop (invited talk), 16 Oct 2018 @ Valabre, France.
Presentation [ download]

Data-driven AiRcraft Trajectory prediction research (DART)

G. Vouros, Y. Theodoridis, N. Pelekis, H. Georgiou, et.al.
TIM / ART workshop on Machine Learning and Artificial Intelligence, 24-25 September 2018 @ EUROCONTROL Experimental Centre (EEC)
Preprint [ download]

Benchmarking Octave, R and Python platforms for code prototyping in Data Analytics and Machine Learning applications programming

H. Georgiou.
2018 Free & Open-Source Software Communities Meeting (FOSSCOMM 2018), 13-14 Oct 2018 @ Heraklion, Greece.
Zenodo.org:10.5281/zenodo.1432789 [ summary, presentation, code ]

Data-driven Future Aircraft Trajectory Prediction

H. Georgiou, N. Pelekis, Y. Theodoridis, G. Vouros.
8th International Conference on Research in Air Transportation (ICRAT’18), 26-29 June 2018 @ Barcelona, Spain.
Preprint [ download]

Increasing Maritime Situation Awareness via Trajectory Detection, Enrichment and Recognition of Events

G. Vouros, A. Viachou, G. Santipantakis, G. Doulkeridis, N. Pelekis, H. Georgiou, Y. Theodoridis, K. Patroumpas, et.al.
Web and Wireless Geographical Information Systems (W2GIS), 21-22 May 2018 @ A Coruna, Spain.
Preprint [ download]

Big Data Analytics for Time Critical Mobility Forecasting: Recent Progress and Research Challenges

G. Vouros, A. Vlachou, G. Santipantakis, C. Doulkeridis, N. Pelekis, H. Georgiou, et.al.
21st International Conference on Extending Database Technology (EDBT 2018), 28-30 Mar 2018 @ Vienna, Austria.
Preprint [ download]

DART: A Machine-Learning Approach to Trajectory Prediction and Demand-Capacity Balancing

G. Vouros, N. Pelekis, Th. Kravaris, H. Georgiou, et.al.
7th SESAR Innovation Days (SIDs 2017), 28-30 Nov 2017 @ Belgrade, Serbia.
Preprint [ download]

GALENE: Online prediction of sea state and risk assessment for small boats as an open lightweight web SaaS

H. Georgiou, P. Petrou, J. Kontoulis
2017 Free & Open-Source Software Communities Meeting (FOSSCOMM 2017), 4-5 Nov 2017 @ Athens, Greece.
Zenodo.org:10.5281/zenodo.1045420 [ Presentation]

Intrinsic dimension estimation of the fMRI space via sparsity-promoting matrix factorization.

H. Georgiou
21st Panhelenic Conference in Informatics (PCI 2017), 28-30 Sept 2017 @ Larisa, Greece (ACM in ICPS Series - ISBN:978-1-4503-2138-9, DOI:10.1145/1235).
(Ζenodo.org:10.5281.886519) [ preprint]

SCENT: Smart Toolbox for Engaging Citizens into a People-Centric Observation Web.

H. Georgiou, Th. Konstantakis, A. Amditis, A. Tsertou, et.al.
21st Panhelenic Conference in Informatics (PCI 2017), 28-30 Sept 2017 @ Larisa, Greece.
[ abstract / presentation]

SCENT: Smart Toolbox for Engaging Citizens into a People-Centric Observation Web.

H. Georgiou, Th. Konstantakis, A. Amditis, A. Tsertou, et.al.
2017 SafeAthens: New technologies for Civil Protection services (SafeAthens 2017), 28-30 June 2017 @ Athens, Greece.
[ abstract / poster]

Refugee influx analysis for 'smart' early-warning systems for the rescue/relief operations in the first-reception islands (in Greek).

H. Georgiou, I. Kiomourtzis, F. Alexakos
2016 SafeEvros: New technologies for Civil Protection services (SafeEvros 2016), 22-25 June 2016 @ Alexandroupolis, Greece.
http://dx.doi.org/10.5281/zenodo.59727
[ abstract / paper / presentation]

Prometheus: The ‘virtual’ Emergency Operations Center for Chios & refugee influx data analytics.

S. Anastasiadis, H. Georgiou
2015 Free & Open-Source Software Communities Meeting (FOSSCOMM 2016), 16-17 Apr 2016 @ Athens, Greece.
http://dx.doi.org/10.5281/zenodo.59726 [ download]

#Sahana4Greece: A crowd-sourced ‘virtual’ EOC for supporting the rescue & relief operations in Greece for the refugees

H. Georgiou
2015 Free & Open-Source Software Communities Meeting (FOSSCOMM 2015), 6-8 Nov 2015 @ Athens, Greece.
http://dx.doi.org/10.5281/zenodo.59725 [ download]

fMRI Unmixing Via Properly Adjusted Dictionary Learning

Y. Kopsinis, H. Georgiou, S. Theodoridis
22nd European Signal Processing Conference (EUSIPCO 2014), 1-5 Sept 2014 @ Lisbon, Portugal.
[ download]

Quality Assessment of Rescaling Methodologies in Digital Mammographic Images of a Publicly Available Database (in Greek)

S. Tzikopoulos, M. Mavroforakis, H. Georgiou, N. Dimitropoulos
38th Annual Greek Medical Conference 2012 (EPIS-38), 16-19 May 2012 @ Athens, Greece.
[ summary]

Algorithms for Image Analysis and Combination of Pattern Classifiers with Application in Medical Diagnosis

H. Georgiou
MSc in Biomed. Eng. (guest talk/seminar), 9 Jan 2012 @ Biomed. Eng. Unit, 1st Dept of Cardiology, Hippocration, Sch. of Medicine (NKUA/UoA), Athens, Greece.
[ summary]

Original Open-Access Image Database of High-Quality Digital Mammographies for the Research Community (in Greek)

N. Dimitropoulos, H. Mavroforakis, H. Georgiou, M. Mavroforakis, P. Bouboulis
2nd Panhellenic Conference in Oncological Imaging (PCOI), 9-11 Dec 2011 @ Athens, Greece.
[ summary / poster]

DDSM Image Database Conversion and Assessment of Rescaling Methodologies (in Greek)

S. Tzikopoulos, M. Mavroforakis, H. Georgiou, N. Dimitropoulos
2nd Panhellenic Conference in Oncological Imaging (PCOI), 9-11 Dec 2011 @ Athens, Greece.
[ summary / poster]

X-ray Simulation and Image Reconstruction Model for Digital Mammography (in Greek)

H. Georgiou, S. Tzikopoulos, M. Mavroforakis
2nd Panhellenic Conference in Oncological Imaging (PCOI), 9-11 Dec 2011 @ Athens, Greece.
[ summary / poster]

MedSIP: Original Annotated Database of High-Quality Digital Mammographic Images Publicly Available to the Research Community (in Greek)

Ν. Dimitropoulos, H. Georgiou, Μ. Mavroforakis, P. Bouboulis, H. Mavroforakis
37th Annual Greek Medical Conference 2011 (EPIS-37), 17-21 May 2011 @ Athens, Greece.
[ abstract / presentation / poster 1 / poster 2]

Shape-based tumor retrieval in mammograms using Relevance-Feedback techniques

S. Tzikopoulos, H. Georgiou, M. Mavroforakis, S. Theodoridis
20th International Conference on Artificial Neural Networks (ICANN-2010), 15-18 September 2010 @ Thessaloniki, Greece. [ download]

A Fully Automated Scheme for Breast Density Estimation and Asymmetry Detection of Mammograms

Stylianos Tzikopoulos, Harris Georgiou, Michael Mavroforakis, Sergios Theodoridis
17th European Signal Processing Conference (EUSIPCO-2009), 24-28 August 2009 @ Glasgow, Scotland. [ download]

A Fully Automated Complete Segmentation Scheme for Mammograms

Stylianos Tzikopoulos, Harris Georgiou, Michael Mavroforakis, Nikos Dimitropoulos, Sergios Theodoridis
16th International Conference on Digital Signal Processing (DSP-2009), 5-7 July 2009 @ Santorini, Greece. [ download]

Preliminary images from an adaptive imaging system

R. Longo, M. Metaxas, C. Esbrand, S. Pani, H Schulerud, T. Rokvic, A Asimidis, E Bletsas, D. Cavouras, A. Fant, P. Gasiorek, H. Georgiou, J. Griffiths, G. Hall, J. Jones, J. Leaver, G Li, D. Machin, N. Manthos, M. Noy, J.M. Ostby, F. Psomadellis, G. Royle, R. Speller, P.F. van der Stelt, S. Theodoridis, F. Triantis, R. Turchetta, C. Venanzi
Xth European Federation of Organisations for Medical Physics (EFOMP) Congress, First European Conference on Medical Physiscs, 20-22 September 2007 @ Pisa, Italy.

Adaptive Image Content-based Exposure Control for Scanning Applications in Radiography

H. Schulerud, J. Thielemann, T. Kirkhus, K. Kaspersen, J. Ostby, M. Metaxas, G. Royle, J. Griffiths, E. Cook, C. Esbrand, S. Pani, C. Venanzi, P. van der Stelt, G. Li, R. Turchetta, S. Theodoridis, H. Georgiou, G. Hall, M. Noy, J. Jones, F. Triantis, A. Asimidis, N. Manthos, F. Triantis, R. Longo, A. Bergamaschi, R. Speller
Advanced Concepts for Intelligent Vision Systems (ACIVS), August 28-31 2007 @ Delft University, Delft, the Netherlands.

I-ImaS: A 1.5D CMOS Image Sensor for X-ray Imaging

R.Turchetta, A.Fant, P.Gasiorek, C.Esbrand, J.A.Griffiths, M.G.Metaxas, G.J.Royle, R.Speller, C.Venanzi, P.F. van der Stelt, H.Verheij, G.Li, S.Theodoridis, H.Georgiou, D.Cavouras, G.Hall, M.Noy, J.Jones, J.Leaver, D.Machin, S.Greenwood, M. haleeq, H.Schulerud, J.M.Ostby, F.Triantis, A.Asimidis, D.Bolanakis, N.Manthos, R.Longo, A.Bergamaschi
Proc. 2007 International Image Sensor Workshop (IIS'07), 573, pp.27-29, 7-10 June 2007 @ Ogunquit, Maine, USA.

A Scanning System For Intelligent Imaging: I-ImaS

R. Longo, D. Cavouras, C. Esbrand, I. Evangelou, A. Fant, P. Gasiorek, H. Georgiou, G. Hall, J. Jones, J. Leaver, J. Griffiths, D. Machin, N. Manthos, M. Metaxas, M. Noy, J.M. Ostby, F. Psomadellis, T. Rokvic, G. Royle, H. Schulerud, R. Speller, P.F. van der Stelt, S. Theodoridis, F. Triantis, R. Turchetta, C. Venanzi.
SPIE Medical Imaging Conference, 17-22 February 2007 @ San Diego, California, USA.

Preliminary results from the I-ImaS project

J.A. Griffiths, R.D. Speller, G.J. Royle, M.G. Metaxas, P.F. van der Stelt, G. Li, F. Psomadellis, K. Giannakakis, D. Zachariadis, R. Turchetta, A. Fant, P. Gasiorek, S. Theodoridis, H. Georgiou, D. Cavouras, T. Giannakopoulos, G. Hall, M. Noy, J. Jones, J. Leaver, D. Machin, J. Ostby, H. Schulerud, F. Triantis, A. Asimidis, D. Bolanakis, N. Manthos, R. Longo, C. Venanzi.
Proceedings of UK Radiological Congress, BJR Congress Series, 2006.

A Multi-Element Detector System For Intelligent Imaging: I-ImaS

J.A. Griffiths, C. Venanzi, R.D. Speller, G.J. Royle, M.G. Metaxas, C. Esbrand, P.F. van der Stelt, G. Li, H. Verheij, R. Turchetta, A. Fant, P. Gasiorek, S. Theodoridis, H. Georgiou, D. Cavouras, G. Hall, M. Noy, J. Jones, J. Leaver, D. Machin, S. Greenwood, M. Khaleeq, J. Ostby, H. Schulerud, F. Triantis, A. Asimakis, D. Bolanakis, N. Manthos, R. Longo, A. Bergamaschi.
IEEE 2006 Nuclear Science Symposium, Medical Imaging Conference (NSS/MIC) and 15th International Room Temperature Semiconductor Detector Workshop, Vol. 4, pp. 2554-2558, Oct.29 - Nov.4 2006 @ San Diego, California, USA. (doi:10.1109/NSSMIC.2006.354430)

CMOS Monolithic Active Pixel Sensors (MAPS): developments and future outlook

R.Turchetta, A. Fant, P. Gasiorek, C. Esbrand, J. A. Griffiths, M. G. Metaxas, G.J. Royle, R. Speller, C. Venanzi, P.F. van der Stelt, H. Verheij, G. Li, S. Theodoridis, H. Georgiou, D. Cavouras, G. Hall, M. Noy, J. Jones, J. Leaver, D. Machin, S. Greenwood, M. Khaleeq, H. Schulerud, J. M. Ostby, F. Triantis, A. Asimidis, D. Bolanakis, N. Manthos, R. Longo, A. Bergamaschi
15th International Workshop on Vertex Detectors (VERTEX06), 25-29 Sep. 2006 @ Perugia, Italy.

A Game-Theoretic Approach to Weighted Majority Voting for Combining SVM Classifiers

Harris Georgiou, Michael Mavroforakis, Sergios Theodoridis.
Int. Conf. on ANN (ICANN), 10-13 September 2006 @ Athens, Greece. Ref: S.Kollias et al. (Eds): ICANN 2006, Part I, LNCS 4131, pp. 284-292, 2006. [ download: paper (pdf) / presentation: (pdf), (swf), (ppt) ]

Intelligent Imaging Sensors: System development and preliminary results

R. Longo, C. Venanzi, A. Bergamaschi, H. Georgiou, S. Theodoridis, H. Schulerud, J. Ostby, R.D. Speller, G.J. Royle, J.A. Griffiths, M.G. Metaxas, P.F. van der Stelt, G. Li, F. Psomadellis, R. Turchetta, A. Fant, G. Hall, M. Noy, J. Jones, J. Leaver, D. Machin, F. Triantis, A. Asimidis, D. Bolankis.
International Workshop on Digital Mammography 2006 (IWDM2006) 18-21 June 2006 @ University of Manchester, UK.

I-IMAS: Intelligence Imaging Systems

J. Jones, M. Noy, G. Hall, G. Iles, J. Leaver, D. Machin, B. Avset, A. Bergamaschi, D. Cavouras, I. Evangelou, A. Fant, M. J. French, A. Galbiati, P. Gasiorek, H. Georgiou, R. Longo, N. Manthos, M. G. Metaxas, J. M. Ostby, F. Psomadellis, G. J. Royle, H. Schulerud, R. D. Speller, P. F. van der Stelt, S. Theodoridis, F. Triantis, R. Turchetta, C. Venanzi.
2005 Communicating European Research (CER 2005), 14-15 Nov. 2005 @ Brussels, Belgium.

I-IMAS: A 1.5D sensor for high resolution scanning

A. Fant, P. Gasiorek, R. Turchetta, B. Avset, A. Bergamaschi, D. Cavouras, I. Evangelou, M. J. French, A. Galbiati, H. Georgiou, G. Hall, G. Iles, J.Jones, R. Longo, N. Manthos, M. G. Metaxas, M.Noy, J. M. Ostby, F. Psomadellis, G. J. Royle, H. Schulerud, R. D. Speller, P. F. van der Stelt, S. Theodoridis, F. Triantis, C.Venanzi.
Proc. 7th International Conference on PositionSensitive Detectors (PSD-7), 12-16 Sept. 2005 @ Liverpool, UK.

A PDA-based Teleprocessing System

P. Georgiadis, K. Sidiropoulos, H. Georgiou, C. Makris, D. Glotsos, D. Cavouras.
1st International Conference on Experiments/Process/System Modelling/Simulation/Optimization, 1st IC-EpsMsO, 6-9 July 2005 @ Athens, Greece. [ download]

The I-ImaS project: End-users driven specifications for the design of a novel digital medical imaging system

A. Galbiati, M.G. Metaxas, B.S. Avset, A. Bergamaschi, D. Cavouras, I. Evangelou, A. Fant, M.J. French, H. Georgiou, G. Hall, G. Iles, R. Longo, N. Manthos, J.M. Ostby, S. Pani, A. Peterzol, F. Psomadellis, G.J. Royle, H. Schulerud, R.D. Speller, P.F. van der Stelt, S. Theodoridis, F. Triantis, R. Turchetta.
IEEE Nuclear Sciences Symposium & Medical Imaging Conference (MIC 2004), Vol. 5, pp.2742-2746, Oct. 2004 @ Rome, Italy. (doi:10.1109/NSSMIC.2004.1466257)

I-ImaS: Intelligent Imaging Sensor for Industry, Health and Security (poster presentation)

H. Georgiou, S. Theodoridis, D. Cavouras.
Conference for presenting Greek R&D projects (EPEAEK) @ Univ. of Athens (NKUA/UoA), 1-Oct-2004 / I-ImaS, 6th Framework, Project No: FP6-505593-1. http://dx.doi.org/10.5281/zenodo.59593 [ download]

Statistical Versus Wavelet-Based De-Speckling Techniques For Enhancing Medical Ultrasound Images

K. Sidiropoulos, N. Piliouras, E. Athanasiadis, H. Georgiou, C. Makris, N. Dimitropoulos, D. Cavouras
1st International Conference "From Scientific Computing to Computational Engineering", 1st IC-SCCE, 8-10 Sept. 2004 @ Athens. [ download]

Mammographic Image Enhancement Using Wavelet-Based Processing And Histogram Equalization

E. Athanasiadis, N. Piliouras, K. Sidiropoulos, H. Georgiou, C. Makris, N. Dimitropoulos, D. Cavouras
1st International Conference "From Scientific Computing to Computational Engineering", 1st IC-SCCE, 8-10 Sept. 2004 @ Athens. [ download]

A PDA-Based Teleradiology System

P. Georgiadis, K. Banitsas, H. Georgiou, K. Sidiropoulos, S. Sapal, N. Dimitropoulos, D. Cavouras
1st International Conference "From Scientific Computing to Computational Engineering", 1st IC-SCCE, 8-10 Sept. 2004 @ Athens. [ download]

Development And Comparative Evaluation Of Wavelet-Based Filters For Enhancing X-Ray Bone Images

V. Zahopoulos, E. Athanasiadis, K. Sidiropoulos, N. Dimitropoulos, H. Georgiou, D. Cavouras
4th European Symposium on Biomedical Engineering (4th ES-BE 2004), Univ. of Patras, 25-27 June 2004 @ Patras, Greece. [ download]

A Systematic Evaluation Of A New Wavelet-Based Image Enhancement Algorithm For Digital Mammography

E. Athanasiadis, N. Piliouras, K. Sidiropoulos, H. Georgiou, N. Dimitropoulos, D. Cavouras
4th European Symposium on Biomedical Engineering (4th ES-BE 2004), Univ. of Patras, 25-27 June 2004 @ Patras, Greece. [ download]

A Smartphone-Based Teleradiology System

P. Georgiadis, K. Banitsas, H. Georgiou, K. Sidiropoulos, N. Dimitropoulos, S. Tachakra, D. Cavouras
4th European Symposium on Biomedical Engineering (4th ES-BE 2004), Univ. of Patras, 25-27 June 2004 @ Patras, Greece. [ download]

Development Of A Wavelet-Assisted Edge-Detection Algorithm For Assessing The Size Of Breast Lessions On US

C. Hikimtzis, K. Sidiropoulos, E. Athanasiadis, H. Georgiou, N. Dimitropoulos, D. Cavouras
4th European Symposium on Biomedical Engineering (4th ES-BE 2004), Univ. of Patras, 25-27 June 2004 @ Patras, Greece. [ download]

Multi-scaled Mammographic Mass Shape Analysis and Classification Using Neural Networks

H. V. Georgiou, M. E. Mavroforakis, D. Cavouras, N. Dimitropoulos, S. Theodoridis
14th International Conference on Digital Signal Processing (DSP-2002). Topics: Biomedical Signal and Image Processing, Image and Multidimensional Signal Processing - July 1-3, 2002 @ Santorini, Greece. (doi:10.1109/ICDSP.2002.1027919) [ download] / [ abstract]

Mammographic Mass Classification Using Textural Features and Descriptive Diagnostic Data

M. E. Mavroforakis, H. V. Georgiou, D. Cavouras, N. Dimitropoulos, S. Theodoridis
14th International Conference on Digital Signal Processing (DSP-2002). Topics: Biomedical Signal and Image Processing, Image and Multidimensional Signal Processing - July 1-3, 2002 @ Santorini, Greece. (doi:10.1109/ICDSP.2002.1027918) [ download] / [ abstract]

Mammographic Mass Shape Characterization using Neural Networks

H. Georgiou, D. Cavouras, N. Dimitropoulos, S. Theodoridis
2nd European Symposium in Biomedical Engineering and Medical Physics (2nd ES-BME 2001), 6-8 Oct 2001, BME-13 @ Patras, Greece. [ download] / [ abstract]

Neoplasm Characterization in Mammography by Boundary Shape Analysis Using Neural Networks (in Greek)

H. Georgiou, D. Cavouras, N. Dimitropoulos, S. Theodoridis
12th Hellenic Radiology Conference, 18-22 Oct 2001 @ Athens, Greece. [ download] / [ abstract]

Open-Access Publications

New technologies and robotics in Search and Rescue (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Jun 2023 doi:10.5281/zenodo.8061475
[ download].

Telecommunications and telemonitoring in Search and Rescue (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Jun 2023 doi:10.5281/zenodo.8061456
[ download].

Applications of Artificial Intelligence in the real world (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Jun 2023 doi:10.5281/zenodo.8056250
[ download].

Introduction to Machine Learning and Data Analytics (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Jun 2023 doi:10.5281/zenodo.8056227
[ download].

Elements of AI: Propositional Calculus (in Greek)

H. Georgiou.
online lesson / webinar, Aug 2023 https://zenodo.org/doi/10.5281/zenodo.11100808
[ download].

Elements of AI: Predicate Calculus (in Greek)

H. Georgiou.
online lesson / webinar, Sept 2023 https://zenodo.org/doi/10.5281/zenodo.11100854
[ download].

Learning Sets of Rules and Analytical Learning (in Greek)

H. Georgiou.
online lesson / webinar, Sept 2023 https://zenodo.org/doi/10.5281/zenodo.11101028
[ download].

Logic and Reasoning in Uncertain Conditions (in Greek)

H. Georgiou.
online lesson / webinar, Sept 2023 https://zenodo.org/doi/10.5281/zenodo.11101188
[ download].

Brains, Minds and Mechanisms (in Greek)

H. Georgiou.
online lesson / webinar, Sept 2023 https://zenodo.org/doi/10.5281/zenodo.11101285
[ download].

Competition, Games and Evolution (in Greek)

H. Georgiou.
online lesson / webinar, Oct 2023 https://zenodo.org/doi/10.5281/zenodo.11101306
[ download].

Genetic versus Adaptive Intelligence (in Greek)

H. Georgiou.
online lesson / webinar, Oct 2023 https://zenodo.org/doi/10.5281/zenodo.11101333
[ download].

Elements of Adaptive Automatic Control (in Greek)

H. Georgiou.
online lesson / webinar, Nov 2023 https://zenodo.org/doi/10.5281/zenodo.11101347
[ download].

Introduction the Data Analytics with R (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Nov 2023 https://zenodo.org/doi/10.5281/zenodo.11101372
[ download].

Software Project Management – Modern Methodologies (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Nov 2023 https://zenodo.org/doi/10.5281/zenodo.11101414
[ download].

Software Quality Assurance – Lessons from Space Missions (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Nov 2023 https://zenodo.org/doi/10.5281/zenodo.11101454
[ download].

The Scientific Methodology in STEM Sciences (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Apr 2024 https://doi.org/10.5281/zenodo.10913451
[ download].

Structuring and writing scientific-technical reports (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Apr 2024 https://zenodo.org/doi/10.5281/zenodo.10995555
[ download].

A.I. was always here: Simple tools for complex problems (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Apr 2024 https://zenodo.org/doi/10.5281/zenodo.11095976
[ download].

Artificial Intelligence: jobs under retirement or opportunity for progress? (in Greek)

H. Georgiou.
online lesson / webinar for the Hellenic Informatics Union (HIU), Apr 2024 https://zenodo.org/doi/10.5281/zenodo.11101727
[ download].

Programming languages evaluation for the schools: Survey results (in Greek)

H. Georgiou (2022).
Results (preprint) doi:10.5281/zenodo.6979256
[ results]

Driver behaviour profiling based on trajectory analytics

H. Georgiou, N. Pelekis, Y. Theodoridis
Technical report (preprint), 17-Nov-2021. (doi:10.5281/zenodo.5708676) [ download]

Review and Commentary on: 'Deploying an Artificial Intelligence System for COVID-19 Testing at the Greek Border'

H. Georgiou
Technical report (review note), 4-Apr-2021. (doi:10.5281/zenodo.4661941)(SSRN:3819267) [ download]

Review and Commentary on: 'Molecular epidemiology of SARS-CoV-2 in Greece reveals low rates of onward virus transmission after lifting of travel restrictions based on risk assessment during summer'

H. Georgiou
Technical report (review note), 20-Mar-2021. (doi:10.5281/zenodo.4624957) [ download]

Social responsibility is the crucial factor in adopting early vaccination plans

H. Georgiou
Technical report (preprint), 25-Nov-2020. (doi:10.5281/zenodo.4290866 / doi:10.1101/2020.11.25.20238725)) [ download]

Greece is past its COVID-19 epidemic peak, now entering asymptotic decay and ending its 42-day country-wide lockdown

H. Georgiou
Technical report (preprint), 10-May-2020. (doi:10.5281/zenodo.3819557) [ download]

COVID-19 outbreak in Greece has passed its rising inflection point and stepping into its peak

H. Georgiou
Technical report (preprint), 15-Apr-2020. (doi:10.5281/zenodo.3753368, doi:MEDRXIV/2020/066712) [ download]

Search and Rescue operations in urban environment: Lessons from disaster events in Attica

S. Chrysanthopoulos, T. Kapetanakis, G. Chaidemenos, S. Vernardos, H. Georgiou
Technical report (preprint) [ download]

Predictive Analytics Methods in Big Mobility Data and Medical Applications

H. Georgiou
Workshop at IMSI, Athena RC @ 20 Dec 2018. [ summary / presentation].

Scuba Diving Accidents & First Aid

H. Georgiou
Presentation (gr)(Zenodo:10.5281.2574544) [ download].

Moving Objects Analytics: Survey on Future Location & Trajectory Prediction Methods

H. Georgiou, S. Karagiorgou, Y. Kontoulis, N. Pelekis, P. Petrou, D. Scarlatti, Y. Theodoridis
Preprint (en)(Zenodo:10.5281.1309181 , arXiv:1807.04639 [cs.LG]) [ download].

Big Data for Mobility Tracking Knowledge Extraction in Urban Areas – Track & Know Observatory

E. Chondrodima, C. Doulkeridis, H. Georgiou, N. Pelekis, A. Vlachou, et.al.
Preprint (en) [ download].

Hybrid clustering/HMM constrained-based learning for Aircraft Trajectory Prediction

H. Georgiou, N. Pelekis, D. Scarlatti, S. Sideridis, Y. Theodoridis
Preprint (en)(Zenodo:10.5281.1174082) [ download].

Recursive Mean and Stdev formulas of O(1) and one-step-back storage requirements for Normal distributions

H. Georgiou
Preprint (en)(Zenodo:10.5281.1039796) [ download].

Wind models and cross-site interpolation for the refugee reception islands in Greece

H. Georgiou
Preprint (en) (Zenodo:10.5281.834484)
ArXiV preprint (en)(arXiv:1707.07885 [stat.AP]) [ download].

1-pass fixed-rate linear resampler (algorithm & code)

H. Georgiou
Preprint (en) (Zenodo:10.5281.232221) [ download].

Modeling the behavior of smuggling networks in Turkey and northern Africa via refugee influx analysis for better Search & Rescue readiness

H. Georgiou
Preprint (en) (Zenodo:10.5281.185257) [ download].

On the optimality of ternary arithmetic for compactness and hardware design

H. Georgiou
Preprint (en) (Zenodo:10.5281.164939)
ArXiV preprint (en)(arXiv:1611.03715 [cs.OH]) [ download].

Identification of refugee influx patterns in Greece via model-theoretic analysis of daily arrivals

H. Georgiou
(Zenodo:10.5281.59730)
ArXiV preprint (en)(arXiv:1605.02784 [stat.ML]) [ download].

Games people play - Conflicts, mechanisms and collective decision-making in expert committees (e-Book / 106 pg)

H. Georgiou
viXra.org (en)(viXra:1506.0168 [CS.AI]) [ download].

Elements of Game Theory - Part I: Foundations, acts and mechanisms

H. Georgiou
ArXiV preprint (en)(arXiv:1506.05148 [cs.GT]) [ download].

Games people play: An overview of strategic decision-making theory in conflict situations

H. Georgiou
viXra.org (en)(viXra:1506.0114 [GenMath]) [ download].

Collective decision efficiency and optimal voting mechanisms: A comprehensive overview for multi-classifier model

H. Georgiou
ArXiV preprint (en)(arXiv:1502.02191 [cs.GT]) [ download].

Estimating the intrinsic dimension in fMRI space via dataset fractal analysis - Counting the `cpu cores' of the human brain

H. Georgiou
ArXiV preprint (en)(arXiv:1410.7100 [cs.AI]) [ download].
Presented as featured article (summary) in MIT Technology Review, in the section “Emerging Technologies”: “fMRI Data Reveals the Number of Parallel Processes Running in the Brain” (5-Nov-2014)

Adaptive detection and severity level characterization algorithm for Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS) via oximetry signal analysis

H. Georgiou
ArXiV preprint (en)(arXiv:1308.6203v1 [cs.DS]) [ download].

Feedback models and stability analysis of three economic paradigms

H. Georgiou
ArXiV preprint (en)(arXiv:1303.5882 [q-fin.GN]) [ download].

Open-Source: The alternative choice that gains ground (in Greek)

H. Georgiou
Local preprint (gr) (24-Mar-2013). [ download].

A game-theoretic framework for classifier ensembles using weighted majority voting with local accuracy estimates

H. Georgiou, M. Mavroforakis
ArXiV preprint (en)(arXiv:1302.0540v1 [cs.LG]) [ download].

Algorithms for Image Analysis and Combination of Pattern Classifiers with Application to Medical Diagnosis

H. Georgiou.
PhD thesis summary (en)(arXiv:0910.3348v1 [cs.CV]) [ download].

Algorithms for Image Analysis and Combination of Pattern Classifiers with Application to Medical Diagnosis

H. Georgiou.
PhD thesis summary (en)(viXra.org:1404.0425 [AI]) [ download].

RIEDS – Radiographic Imaging Evaluation and Documentation System (mammography/dental experimental protocol)

H. Georgiou
Preprint/draft (14-Mar-2008). http://dx.doi.org/10.5281/zenodo.59544 [ download].

Magazine Publications

How much data do I need to properly train my neural network?

H. Georgiou.
Article in AI Advances, 9 Oct 2024
[ download].

Almost all 'technical analysis' in finance is moving averages and regressors - Here is MACD

H. Georgiou.
Article in InsiderFinance Wire, 2 Oct 2024
[ download].

The danger with LLMs is not taking over jobs. It is the false sense of expertise

H. Georgiou.
Article in AI Advances, 23 Sept 2024
[ download].

Is the ‘pager explosions’ incident in Lebanon a hacking attack?

H. Georgiou.
Article in Intuition, 18 Sept 2024
[ download].

How many ‘cpu cores’ does it take to run a human brain? Only a few, data shows

H. Georgiou.
Article in AI Advances, 1 Sept 2024
[ download].

The 10+1 most common reasons why your peer-reviewed paper gets rejected

H. Georgiou.
Article in Intuition, 29 Aug 2024
[ download].

How Game Theory and voting models lead to optimal multi-agent AI ensembles

H. Georgiou.
Article in AI Advances, 11 Aug 2024
[ download].

Is the A.I. hype to blame for the ‘big tech’ market crash?

H. Georgiou.
Article in Medium.com, 7 Aug 2024
[ download].

Is there a real lack of Informatics scientists in Greece? (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 24, Feb 2024
[ download].

The myth of `talents' in Informatics (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 23, Dec 2023
[ download].

30 years, two stories (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 21, Jun 2023
[ download].

Remote E-Voting – Reviving the Ecclesia of ancient Athens in the 21st century (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 19, Dec 2022
[ download].

Open-source: The alternative option that gains ground (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 17, Jul 2022
[ download].

Emergency Response Communications – Technology in the service of protecting human life (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 3-2, Feb 2019
[ download].

Alan Turing – The man who envisioned the thinking machines (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 3-1, Jan 2019
[ download].

Improving the skills in technical writing (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 13, May 2016
[ download].

Emergency Response Communications – Technology in the service of protecting human life (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 383, February 2014
[ download].

Machine Learning – The first step towards 'thinking' machines (in Greek) (frontcover article)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 380, November 2013
[ download].

Remote E-Voting – Reviving the Ecclesia of ancient Athens in the 21st century (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 379, October 2013
[ download].

Strange Coincidences – How random is our world? (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 376, July 2013
[ download].

Simulating the Human Brain – How does most complex machine in the universe work? (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 375, June 2013
[ download].

Ancient Telecommunications – The beginnings of the modern interconnected civilization (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 372, March 2013
[ download].

Alan Turing – The man who envisioned the thinking machines (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 370, January 2013
[ download].

Swarm Intelligence – From disposable individuals to smart groups (in Greek) (frontcover article)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 369, December 2012
[ download].

Complex Systems – Can science explain the unexpected? (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 367, October 2012
[ download].

Mathematics – Invented or discovered? (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 365, August 2012
[ download].

Knot Theory – Unraveling the mathematical skein of knots (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 363, June 2012
[ download].

Splinternet – Is the future of Internet splintered? (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 361, April 2012
[ download].

Kryptos – A sculpture-monument for codes and secrets (in Greek)

H. Georgiou.
Article in "Periscope of Science" magazine ("Περισκόπιο της Επιστήμης"), Vol. 360, March 2012
[ download].

Research in permanent vacations (in Greek)

H. Georgiou.
Article in the Hellenic Informatics Union (HIU) monthly bulletin ("Πληροφορικός"), Issue 3, Aug 2009
[ download].

Open-Access Datasets

dataset of Trajectory Synopses over AIS kinematic messages in Brest area

K. Patroumpas, D. Spirelis, E. Chondrodima, H. Georgiou, P. Petrou, P. Tampakis, S. Sideridis, N. Pelekis, Y. Theodoridis.
Available under Creative Commons 4.0 (BY-NC-SA), 27 Mar 2018
https://zenodo.org/records/2563256 .

CM-RWL1-O15S16: Daily refugee arrivals and weather data, Italy/Central Med., Oct.2015 - Sept.2016

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 14 Apr 2018
https://doi.org/10.5281/zenodo.1218209 .

GR-SCBET-Y03Y07: Soccer bets and teams DB from coupons, Greece, Aug.2003 - Mar.2007

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 3 Aug 2016
http://dx.doi.org/10.5281/zenodo.59431 .

MM-S2TXTR-F03: Textural features of mammographic masses

H. Georgiou, M. Mavroforakis.
Available under Creative Commons 4.0 (BY-NC-SA), 3 Aug 2016
http://dx.doi.org/10.5281/zenodo.59373 .

MM-S2MRPH-F03: Morphological features of mammographic masses

H. Georgiou, M. Mavroforakis.
Available under Creative Commons 4.0 (BY-NC-SA), 3 Aug 2016
http://dx.doi.org/10.5281/zenodo.59372 .

D1D-TRNS4: Truly Random Number Seeds with Verified Statistical Quality

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 31 Jul 2016
http://dx.doi.org/10.5281/zenodo.59173 .

GR-PLW6-Y07Y11: Electricity Power Loads and Weather data, Greece, Jan.2007 - Dec.2011

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 30 Jul 2016
http://dx.doi.org/10.5281/zenodo.59149 .

GR-OXMSTR-N10N11: Oximetry/heartrate and brain strokes, Greece, Nov.2010 - Nov.2011

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 30 Jul 2016
http://dx.doi.org/10.5281/zenodo.59132 .

GR-RWL1-O15J16: Daily refugee arrivals and weather data, Greece, Oct.2015 - Jan.2016

H. Georgiou.
Available under Creative Commons 4.0 (BY-NC-SA), 28 Jul 2016
http://dx.doi.org/10.5281/zenodo.58987 .

Research Projects

I-ImaS: Intelligent Imaging Sensors for Industry, Health and Security

Presentations and technical reports (H. Georgiou, et.al.)
Short description and material (downloads).

Leapfrog-IP: Image Analysis Techniques for Material Characterization and Simulation

Presentations and technical reports (H. Georgiou, et.al.)
Short description and material (downloads).

MedSIP: Digital mammographic image database for medicine and machine learning research

Presentations and technical reports (H. Georgiou, et.al.)
Short description and material (downloads).

ASSURANCE: Distributed Sparse Models for Machine Learning in Telecommunications

Presentations and technical reports (H. Georgiou, et.al.)
Short description and material (downloads).

Theses

BSc, MSc and PhD theses

Presentations and official manuscripts and related work (H. Georgiou, et.al.)
Short description and material (downloads).

Other Publications

RISK: Battle outcome analysis in the popular strategy game

H. Georgiou.
Short technical report (main article).

 

All the documents and related material by Harris Georgiou are licensed, in parts and as a whole, under a Creative Commons Attribution-Non-Commercial-Share Alike 3.0 Unported License. All the code sources and related material by Harris Georgiou are licensed, in parts and as a whole, under a EU Public License.