Multimodal Data Fusion – Multimodal Data Fusion and Analytics Group

Wildfire Event Detection using Social Media and Earth Observation Data

E. Valla, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Wildfire Event Detection using Social Media and Earth Observation Data.", in Proceedings of the Eleventh International Conference on Remote Sensing and Geoinformation of Environment, RSCy2025 (RSCy2025), Paphos, 17-19 March 2025, (Poster).

Comparative Analysis of Learning-Based Approaches for Change Detection in Satellite Images

M. Pegia, B. Þ. Jónsson, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Comparative Analysis of Learning-Based Approaches for Change Detection in Satellite Images.", IEEE Selected Topics in Applied Earth Observations and Remote Sensing, vol. 18, pp. 3766-3781, 2024. DOI: 10.1109/JSTARS.2024.3522350

Multimodal fusion of inertial sensors and single RGB camera data for 3D human pose estimation based on a hybrid LSTM-Random forest fusion network

V. R. Xefteris, A. C. Syropoulou, T. Pistola, P. Kasnesis, I. Poulios, A. Tsanousa, S. Symeonidis, S. Diplaris, K. Goulianas, P. Chatzimisios, S. Vrochidis, "Multimodal fusion of inertial sensors and single rgb camera data for 3d human pose estimation based on a hybrid lstm-random forest fusion network.", Internet of Things, 2024. DOI:https://doi.org/10.1016/j.iot.2024.101465

VERGE: Simplifying Video Search for Novice Users

N. Pantelidis, M. Pegia, D. Galanopoulos, D. Georgalis, K. Apostolidis, K. Stavrothanasopoulos, A. Moumtzidou, K. Gkountakos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE: Simplifying Video Search for Novice Users.", in Proceedings of the Content-based Multimedia Indexing (CBMI), Reykjavik, Iceland, 18-20 September 2024, pp. 1-6. DOI: 10.1109/CBMI62980.2024.10859248

Wildfire Detection for Emergency Responders using X

D. Stefanopoulos, A. Bozas, M. Maslioukova, G. Christodoulou, Y. Kouloglou, M. Pegia, A. Moumtzidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris, "Wildfire Detection for Emergency Responders using X.", in Proceedings of the Content-based Multimedia Indexing (CBMI), Reykjavik, Iceland, 18-20 September 2024, pp. 1-7. DOI: 10.1109/CBMI62980.2024.10858873

FIWARE-compatible Smart Data Models for Satellite Imagery and Flood Risk Assessment to Enhance Data Management

Y. Kouloglou, G. Antzoulatos, G. Vosinakis, F. Lombardo, A. Abella, M. Bakratsas, A. Moumtzidou, E. Maltezos, I. Gialampoukidis, E. Ouzounoglou, S. Vrochidis, A. Amditis, I. Kompatsiaris, M. Ferri, "FIWARE-compatible Smart Data Models for Satellite Imagery and Flood Risk Assessment to Enhance Data Management.", Information, vol. 15, no. 5, 2024. https://doi.org/10.5281/zenodo.10198821

Connecting the Elderly Using VR: A Novel Art-Driven Methodology

M. V. Kosti, M. Benayoun, N. Georgakopoulou, S. Diplaris, T. Pistola, V. R. Xefteris, A. Tsanousa, K. Valsamidou, P. Koulali, Y. Shekhawat, P. Sciama, I. Kalisperakis, S. Vrochidis, I. Kompatsiaris, "Connecting the Elderly Using VR: A Novel Art-Driven Methodology.", Applied Sciences, vol. 14, no. 5, 2024.

A Multimodal Late Fusion Framework for Physiological Sensor and Audio-Signal-Based Stress Detection: An Experimental Study and Public Dataset

V. R. Xefteris, M. Dominguez, J. Grivolla, A. Tsanousa, F. Zaffanela, Μ. Monego, S. Symeonidis, S. Diplaris, L. Wanner, S. Vrochidis, I. Kompatsiaris, "A Multimodal Late Fusion Framework for Physiological Sensor and Audio-Signal-Based Stress Detection: An Experimental Study and Public Dataset.", Electronics, vol. 12, no. 23, December 2023, DOI: 10.3390/electronics12234871

A Semantic Framework for Decision Making in Forest Fire Emergencies

P. Masa, S. Kintzios, Z. Vasileiou, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "A Semantic Framework for Decision Making in Forest Fire Emergencies.", Appl. Sci., vol. 13, no. 16, 2023. https://doi.org/10.3390/app13169065

Assessing Virtual Reality Spaces for Elders Using Image-Based Sentiment Analysis and Stress Level Detection

M. Kosti, N. Georgakopoulou, S. Diplaris, T. Pistola, K. Chatzistavros, V. Xefteris, A. Tsanousa, S. Vrochidis, I. Kompatsiaris, "Assessing Virtual Reality Spaces for Elders Using Image-Based Sentiment Analysis and Stress Level Detection.", Sensors, vol. 23, no. 8, 2023. https://doi.org/10.3390/s23084130

Stress detection based on wearable physiological sensors: laboratory and real-life pilot scenario application

V. R. Xefteris, A. Tsanousa, S. Symeonidis, S. Diplaris, F. Zaffanela, M. Monego, M. Pacelli, S. Vrochidis, I. Kompatsiaris, "Stress detection based on wearable physiological sensors: Laboratory and real-life pilot scenario application.", in Proceedings of the SIGNAL 2023, March 13, 2023.

Real-time Threat Assessment based on Hidden Markov Models

O. Theodosiadou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Real-time Threat Assessment based on Hidden Markov Models", Risk Analysis 2023, vol. 43, no. 10, pp. 2069-2081, October 2023. https://doi.org/10.1111/risa.14105

The MindSpaces Knowledge Graph: Applied Logic and Semantics on Indoor and Urban Adaptive Design

E. Stathopoulos, A. Vassiliades, S. Diplaris, S. Vrochidis, N. Bassiliades, I. Kompatsiaris, "The MindSpaces Knowledge Graph: Applied Logic and Semantics on Indoor and Urban Adaptive Design.", in Proceedings of the ICAART 2023, Lisbon, Portugal, vol. 3, 22-24 February 2023, pp. 334-341.

Graph theoretical analysis of EEG functional connectivity patterns and fusion with physiological signals for emotion recognition

V. Xefteris, A. Tsanousa, N. Georgakopoulou, S. Diplaris, S. Vrochidis, I. Kompatsiaris, "Graph Theoretical Analysis of EEG Functional Connectivity Patterns and Fusion with Physiological Signals for Emotion Recognition.", Sensors, vol. 22, no. 21, 2022. DOI:https://doi.org/10.3390/s22218198

Ontology-based technologies for disaster preparedness, response and recovery

P. Masa, G. Tzanetis, S. Kintzios, G. Meditskos, S. Vrochidis, I. Vourvachis, L. Nerantzis, I. Kompatsiaris, "Ontology-based technologies for disaster preparedness, response and recovery.", in Proceedings of the 9th International Conference on Civil Protection & New Technologies (SafeThessaloniki 2022), Thessaloniki, Greece, 29 September - 1 October 2022.

Deep Learning for Remote Sensing Image Downscaling: Fusion and Super-Resolution

M. Sdraka, I. Papoutsis, B. Psomas, K. Vlachos, K. Ioannidis, K. Karantzalos, I. Gialampoukidis, S. Vrochidis, "Deep Learning for Remote Sensing Image Downscaling: Fusion and Super-Resolution.", IEEE Geoscience and Remote Sensing Magazine, vol. 10, no. 3, pp. 202-255, 02 June 2022. DOI: 10.1109/MGRS.2022.3171836

Imageability-based Multi-modal Analysis of Urban Environments for Architects and Artists

T. Pistola, N. Georgakopoulou, A. Shvets, K. Chatzistavros, V. Xefteris, A. García, I. Koulalis, S. Diplaris, L. Wanner, I. Kompatsiaris, "Imageability-based Multi-modal Analysis of Urban Environments for Architects and Artists.", in Proceedings of the 2nd International Workshop on Fine Art Pattern Extraction and Recognition (FAPER 2022), Lecce, Italy, 23-24 May, 2022.

An Explainable Multimodal Fusion Approach for Mass Casualty Incidents

Z. Vasileiou, G. Meditskos, S. Vrochidis, N. Bassiliades, "An Explainable Multimodal Fusion Approach for Mass Casualty Incidents.", in Proceedings of the 4th International Workshop on Machine Learning and Knowledge Graphs At 33rd International Conference on Database and Expert Systems Applications, DEXA 2022, Vienna, Austria, August 22-24, 2022.

Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies

P. Masa, G. Meditskos, S. Kintzios, S. Vrochidis, I. Kompatsiaris, "Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies.", in Proceedings of the 12th EETN Conference on Artificial Intelligence (SETN 2022), Corfu, Greece, September 7-9, 2022.

Infrastructure monitoring and quality diagnosis in CNC machining: A review

M. Ntemi, S. Paraschos, A. Karakostas, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris " Infrastructure monitoring and quality diagnosis in CNC machining: A review.", CIRP Journal of Manufacturing Science and Technology, Elsevier, Volume 38, August 2022, Pages 631-649. https://doi.org/10.1016/j.cirpj.2022.06.001

Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams

T. Papadimos, N. Pantelidis, S. Andreadis, A. Bozas, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams.", in Proceedings of the 19th International Conference on Information Systems for Crisis Response and Management, Tarbes, France, 22-25 May 2022.

Filling Cloud Gaps on Optical Time-Series through Optical and SAR Data Fusion for Cropland Monitoring

T. Papadimos, S. Andreadis, V. Sitokonstantinou, A. Koukos, G. Choumos, I. Gialampoukidis, S. Vrochidis, C. Kontoes, I. Kompatsiaris, "Filling Cloud Gaps on Optical Time-Series through Optical and SAR Data Fusion for Cropland Monitoring.", in Proceedings of the 2022 Living Planet Symposium, Bonn, Germany, 23-27 May 2022.

Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data

G. Antzoulatos, I. Kouloglou, M. Bakratsas, A. Moumtzidou, I. Gialampoukidis, A. Karakostas, F. Lombardo, R. Fiorin, D. Norbiato, M. Ferri, A. Symeonidis, S. Vrochidis, I. Kompatsiaris, "Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data.", Sustainability, vol. 14, no. 6, 2022. DOI:10.3390/su14063251

A review of multisensor data fusion solutions in smart manufacturing: systems and trends

A. Tsanousa, E. Bektsis, C. Kyriakopoulos, A. González, U. Leturiondo, I. Gialampoukidis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, "A review of multisensor data fusion solutions in smart manufacturing: systems and trends.", Sensor data fusion analysis for broad applications, MDPI, 2022.

Multimodal data fusion of social media and satellite images for emergency response and decision-making

I. Gialampoukidis, S. Andreadis, S. Vrochidis, I. Kompatsiaris, "Multimodal data fusion of social media and satellite images for emergency response and decision-making.", in Proceedings of the 2021 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2021), 11 July 2021, pp. 228-231.

Human activity recognition with IMU and vital signs feature fusion

V. R. Xefteris, A. Tsanousa, T. Mavropoulos, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Human activity recognition with IMU and vital signs feature fusion.", in Proceedings of the 28th International Conference on Multimedia Modelling (MMM2022), Phu Quoc, Vietnam, June 6–10, 2022, pp. 287–298. DOI: https://doi.org/10.1007/978-3-030-98358-1_23

Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space systems

G. Antzoulatos, G. Orfanidis, P. Giannakeris, G. Tzanetis, G. Stathopoulos, N. Kopalidis, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space systems.", in Proceedings of the 2nd International Workshop on Cyber-Physical Security for Critical Infrastructures Protection (CPS4CIP 2021), 4-8 October 2021.

Study of 3D Digitisation Modalities for Crime Scene Investigation

G. Galanakis, X. Zabulis, T. Evdaimon, S.-E. Fikenscher, S. Allertseder, T. Tsikrika, S. Vrochidis, "A Study of 3D Digitisation Modalities for Crime Scene Investigation.", Forensic Sci., vol. 1, no. 2, pp. 56-85, 2021.

xR4DRAMA: Enhancing situation awareness using immersive (XR) technologies

S. Symeonidis, S. Diplaris, N. Heise, T. Pistola, A. Tsanousa, G. Tzanetis, E. Batziou, C. Stentoumis, I. Kalisperakis, S. Freitag, Y. Shekhawat, R. Paradiso, M. Pacelli, J. Codinak, S. Millek, M. Marimonk, M. Ferri, D. Norbiato, M. Monego, A. Karakostas, S. Vrochidis, "xR4DRAMA: Enhancing situation awareness using immersive (XR) technologies.", in Proceedings of the 2021 IEEE International Conference on Intelligent Reality (ICIR), Piscataway, NJ, USA, 2021, pp. 1-8. https://doi.org/10.1109/ICIR51845.2021.00010

On the Use of Semantic Web Technologies for Forest Fire Emergencies in Resilient Societies

P. Masa , G. Meditskos, A. Karakostas , S. Vrochidis, I. Kompatsiaris, "On the Use of Semantic Web Technologies for Forest Fire Emergencies in Resilient Societies.",in Proceedings of the 2021 International Conference on Security and Management (SAM'21), Las Vegas, USA, July 26-29, 2021.

An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control

R. Poler, A. Karakostas, S. Vrochidis, A. Marguglio, S. Settier, P. Figueiras, A. Gómez-González, B. Mandler, S. Wellsandt, R. Trevino, S. Bassoumi, C. Agostinho, "An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control.", in Proceedings of the 2021 IEEE International Conference on Engineering, Technology and Innovation, 21-23 June 2021.

How to Collect Factories’ Requirements for Smart Manufacturing in Context of Quality Control: the i4Q Approach

A. Karakostas, G. Apostolou, R. Poler, B. Andrés, R. Trevino, A. M. Nowak-Meitinger, R. Jochem, S. Vrochidis, "How to Collect Factories’ Requirements for Smart Manufacturing in Context of Quality Control: the i4Q Approach.", in Proceedings of the 29th IEEE International Requirements Engineering Conference, Notre Dame, South Bend, USA, 20-24 September 2021.

Industrial Data Services for Quality Control in Smart Manufacturing – the i4Q Framework

A. Karakostas, F. Fraile, R. Poler, S. Vrochidis, "Industrial Data Services for Quality Control in Smart Manufacturing - the i4Q Framework.", in Proceedings of the 2021 IEEE International Workshop on Metrology for Industry 4.0 and IoT, Virtual, 07-09 June 2021.

Performance, challenges, and limitations in multimodal fall detection systems: a review

V. R. Xefteris, A. Tsanousa, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Performance, challenges, and limitations in multimodal fall detection systems: a review.", IEEE Sensors Journal, vol. 21, no. 17, pp. 18398 - 18409. DOI:10.1109/JSEN.2021.3090454

Smart integration of sensors, computer vision and knowledge representation for intelligent monitoring and verbal human-computer interaction

T. Mavropoulos, S. Symeonidis, A. Tsanousa, P. Giannakeris, M. Rousi, E. Kamateri, G. Meditskos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, "Smart integration of sensors, computer vision and knowledge representation for intelligent monitoring and verbal human-computer interaction.",Journal of Intelligent Information Systems, Springer, vol. 57, pp. 321-345, 2021.

Sensor Data Fusion and Autonomous Unmanned Vehicles for the Protection of Critical Infrastructures

K. Ioannidis, G. Orfanidis, M. Krestenitis, S. Vrochidis, I. Kompatsiaris, "Sensor Data Fusion and Autonomous Unmanned Vehicles for the Protection of Critical Infrastructures.", in Terahertz (THz), Mid Infrared (MIR) and Near Infrared (NIR) Technologies for Protection of Critical Infrastructures Against Explosives and CBRN, NATO Science for Peace and Security Series B: Physics and Biophysics, Springer Netherlands, 2021, pp. 3–17.

Combining RSSI and Accelerometer Features for Room-Level Localization

A. Tsanousa, V. R. Xefteris, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Combining RSSI and Accelerometer Features for Room-Level Localization.", Sensors, vol. 21, no. 8, 2021.

Creating immersive experiences based on intangible cultural heritage

T. Pistola, S. Diplaris, C. Stentoumis, E. A. Stathopoulos, G. Loupas, T. Mandilaras, G. Kalantzis, I. Kalisperakis, A. Tellios, D. Zavraka, P. Koulali, V. Kriezi, V. Vraka, F. Venieri, S. Bacalis, S. Vrochidis, I. Kompatsiaris, "Creating immersive experiences based on intangible cultural heritage.", in Proceedings of the 1st IEEE International Conference on Intelligent Reality (ICIR 2021), Virtual, 12-13 May, 2021.

Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018)

E. Andre, T. W. Bickmore, S. Vrochidis, L. Wanner (Eds). (2018). Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018). ICAHGCA@AAMAS 2018, Stockholm, Sweden, 15 July, 2018. CEUR, Vol 2338.

Utilizing Implicit User Feedback to Improve Interactive Video Retrieval

S. Vrochidis, I. Kompatsiaris, I. Patras, "Utilizing Implicit User Feedback to Improve Interactive Video Retrieval", Advances in Multimedia, vol. 2011, no. 1, 24 March, 2011.

Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation

S. Vrochidis, I. Patras, I. Kompatsiaris, "Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation", Multimedia Tools and Applications, vol. 76, pp. 2861–2889, 22 January, 2016.

Interactive video search tools: a detailed analysis of the video browser showdown 2015

C. Cobarzan, K. Schoeffmann, W. Bailer, W. Hurst, A. Blazek, J. Lokoc, S. Vrochidis, K. Uwe Barthel, L. Rossetto, "Interactive video search tools: a detailed analysis of the video browser showdown 2015", Multimedia Tools Appl., vol. 76, pp. 5539-5571, 4 February, 2017.

Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression

I. Gialampoukidis, A. Moumtzidou, D. Liparas, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression", Multimedia Tools and Applications, vol. 76, pp. 22383–22403, 15 May, 2017.

TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition

B. Akhgar, P. Bertrand, C. Chalanouli, T. Day, I. Fragkiadakis, H. Gibson, D. Kavallieros, E. Kermitsis, I. Kompatsiaris, E. Kyriakou, G. Leventakis, E. Lissaris, S. Mille, D. Myttas, T. Tsikrika, S. Vrochidis, U. Williamson, "TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition", Proceedings of the Estonian Academy of Security Sciences: Secure Societies, pp. 33-82, 15 June, 2017.

A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content

S. Vrochidis, A. Moumtzidou, I. Gialampoukidis, D. Liparas, G. Casamayor, L. Wanner, N. Heise, T. Wagner, A. Bilous, E. Jamin, B. Simeonov, V. Alexiev, R. Busch, I. Arapakis, I. Kompatsiaris, "A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content", Frontiers in Robotics and AI, vol. 5, 29 October, 2018.

Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018

J. Lokoc, G. Kovalcik, B. Munzer, K. Schoffmann, W. Bailer, R. Gasser, S. Vrochidis, P. Anh Nguyen, S. Rujikietgumjorn, K. Uwe Barthel, "Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018", ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), vol. 15, no. 1, pp. 1 - 18, 1 February, 2019.

Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems

G. Meditskos, E. Kontopoulos, S. Vrochidis, I. Kompatsiaris, "Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems", Expert Systems, Special Issue on e-Health and Staying Smarter, vol. 37, no. 1, 12 February, 2019.

Internet of Things Infrastructure for Security and Safety in Public Places

A. Chatzimichail, C. Chatzigeorgiou, A. Tsanousa, D. Ntioudis, G. Meditskos, F. Andritsopoulos, C. Karaberi, P. Kasnesis, D. Kogias, G. Gorgogetas, S. Vrochidis, C. Patrikakis, I. Kompatsiaris, "Internet of Things Infrastructure for Security and Safety in Public Places", Information, vol. 10, no. 11, 28 October, 2019.

A context-aware conversational agent in the rehabilitation domain

T. Mavropoulos, G. Meditskos, E. Kamateri, M. Rousi, S. Symeonidis, D. Tzimikas, L. Papageorgiou, C. Eleftheriadis, G. Adamopoulos, S. Vrochidis, I. Kompatsiaris, "A context-aware conversational agent in the rehabilitation domain", Future Internet, vol. 11, no. 11, 1 November, 2019.

A novel feature selection method based on comparison of correlations for human activity recognition problems

A. Tsanousa, G. Meditskos, S. Vrochidis, L. Angelis, "A novel feature selection method based on comparison of correlations for human activity recognition problems.", Journal of Ambient Intelligence and Humanized Computing, vol. 11, pp. 5961–5975, 6 March 2020.

VERGE: An Interactive Search Engine for Browsing Video Collections

A. Moumtzidou, K. Avgerinakis, E. Apostolidis, V. Aleksic, F. Markatopoulou, C. Papagiannopoulou, S. Vrochidis, V. Mezaris, R. Busch, I. Kompatsiaris, "VERGE: An Interactive Search Engine for Browsing Video Collections.", in Proceedings of the Video Browser Showdown (VBS'14) at the 20th Int. Conf. on MultiMedia Modeling (MMM'14), Springer LNCS vol. 8326, Dublin, Ireland, January 2014, pp. 411-414.

The extraction and fusion of meteorological and air quality information for orchestrated services

L. Johansson, V. Epitropou, K. Karatzas, L. Wanner, A. Karppinen, J. Kukkonen, S. Vrochidis, I. Kompatsiaris, "The extraction and fusion of meteorological and air quality information for orchestrated services.", in Proceedings of the 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, April 1, 2014.

VERGE: A Multimodal Interactive Video Search Engine

A. Moumtzidou, K. Avgerinakis, E. Apostolidis, F. Markatopoulou, K. Apostolidis, T. Mironidis, S. Vrochidis, V. Mezaris, Y. Kompatsiaris, I. Patras, "VERGE: A Multimodal Interactive Video Search Engine.", in Proceedings of the 21st Int. Conf. on MultiMedia Modeling (MMM15), Sydney, Australia, January 2015. https://doi.org/10.1007/978-3-319-14442-9_23

MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support

S. Vrochidis, I. Kompatsiaris, G. Casamayor, I. Arapakis, R. Busch, V. Alexiev, E. Jamin, M. Jugov, N. Heise, T. Forrellat, D. Liparas, L. Wanner, I. Miliaraki, V. Aleksic, K. Simov, A. M. Soro, M. Eckhoff, T. Wagner, M. Puigbo, "MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support.", in Proceedings of the 2015 IEEE International Conference on Multimedia and Expo (ICME 2015), Turin, Italy, June 29 - July 3, 2015.

VERGE IN VBS 2018

A. Moumtzidou, S. Andreadis, F. Markatopoulou, D. Galanopoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE IN VBS 2018", in Proceedings of the International Conference on Multimedia Modeling, 2018.

Design of knowledge-based agent as a social companion

L. Wanner, E. Andre, J. Blat, S. Dasiopoulou, M. Farrus, T. Fraga, E. Kamateri, F. Lingenfelser, G. Llorach, O. Martinez, G. Meditskos, S. Mille, W. Minker, L. Pragst, D. Schiller, A. Stam, L. Stellingwerff, F. Sukno, B. Vieru, S. Vrochidis, "Design of knowledge-based agent as a social companion", in Proceedings of the International Conference on Health and Social Care Information Systems and Technologies (HCist), Barcelona, Catalonia, November 2017.

The Sensor to Decision Chain in Crisis Management

J. Mossgraber, D. Hilbring, H. van der Schaaf, P. Hertweck, E. Kontopoulos, P. Mitzias, I. Kompatsiaris, S. Vrochidis, A. Karakostas, "The Sensor to Decision Chain in Crisis Management", in Proceedings of the Int. Conf. on Information Systems for Crisis Response and Management (ISCRAM'18).

Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas

E. Michail, A. Moumtzidou, I. Gialampoukidis, K. Avgerinakis, M. G. Scarpino, S. Vrochidis, G. Vingione, I. Kompatsiaris, K. Labbassi, M. Menenti, F. E. Elghandour, "Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas", in Proceedings of the 2nd Mapping Water Bodies from Space Conference (MWBS2018), ESA-ESRIN Frascati, Italy, 27-28 March 2018.

VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval

A. Moumtzidou, T. Mironidis, E. Apostolidis, F. Markatopoulou, A. Ioannidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval.", in Proceedings of the Video Browser Showdown (VBS'16) at the 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, USA, 4 January 2016. https://doi.org/10.1007/978-3-319-27674-8_39

A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain

F. Sukno, M. Dominguez, A. Ruiz Ovejero, D. Schiller, F. Lingenfelser, L. Pragst, E. Kamateri, S. Vrochidis, "A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain.", in Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927008

Towards an Ontology-driven Adaptive Dialogue Framework

G. Meditskos, S. Dasiopoulou, L. Pragst, S. Ultes, S. Vrochidis, I. Kompatsiaris, L. Wanner, "Towards an Ontology-driven Adaptive Dialogue Framework.", in Proceedings of the 1st International Workshop on Multimedia Analysis and Re-trieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927009

Flood relevance estimation from visual and textual content in social media streams

A. Moumtzidou, S. Andreadis, I. Gialampoukidis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, "Flood relevance estimation from visual and textual content in social media streams", in Proceedings of the WWW 2018 Workshop on Exploitation of Social Media for Emergency Relief and Preparedness (SMERP), Lyon, France, 23 April 2018.

Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities

L. Wanner, J. Blat, S. Dasiopoulou, M. Dominguez, G. Llorach, S. Mille, F. Sukno, E. Kamateri, S. Vrochidis, I. Kompatsiaris, E. Andre, F. Lingenfelser, G. Mehlmann, A. Stam, L. Stellingwerff, B. Vieru, L. Lamel, W. Minker, L. Pragst, S. Ultes, "Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities.", in Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. https://doi.org/10.1145/2927006.2927011

Retrieval of Multimedia objects by Fusing Multiple Modalities

I. Gialampoukidis, A. Moumtzidou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Retrieval of Multimedia objects by Fusing Multiple Modalities.", in Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ACM, 2016, pp. 359-362. https://dl.acm.org/doi/10.1145/2911996.2912068

An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations

M. Riga, E. Kontopoulos, K. Karatzas, S. Vrochidis, I. Kompatsiaris, "An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations", in Proceedings of the 4th International Conference on Decision Support System Technology (ICDSST2018), Heraklion, Crete, Greece, 22-25 May 2018.

A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion

A. Moumtzidou, I. Gialampoukidis, T. Mironidis, D. Liparas, S. Vrochidis, I. Kompatsiaris, "A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion.", in Proceedings of the 14th International Workshop on Content-Based Multimedia Indexing (CBMI), IEEE, 2016. DOI: 10.1109/CBMI.2016.7500276

Fusion of Compound Queries with Multiple Modalities for Known Item Video Search

I. Gialampoukidis, A. Moumtzidou, S. Vrochidis, Y. Kompatsiaris, "Fusion of Compound Queries with Multiple Modalities for Known Item Video Search", in Proceedings of the 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), Zagori, Greece, 10-12 June 2018.

A hybrid graph-based and non-linear late fusion approach for multimedia retrieval

I. Gialampoukidis, A. Moumtzidou, D. Liparas, S. Vrochidis, I. Kompatsiaris, "A hybrid graph-based and non-linear late fusion approach for multimedia retrieval.", in Proceedings of the 14th International Workshop on Content-Based Multimedia Indexing (CBMI), 2016, pp. 1-6.

Question Answering over Pattern-Based User Models

G. Meditskos, S. Dasiopoulou, S. Vrochidis, L. Wanner, I. Kompatsiaris, "Question Answering over Pattern-Based User Models.", in Proceedings of the 12th International Conference on Semantic Systems (SEMANTiCS 2016), ACM, New York, NY, USA, 2016, pp. 153-160. http://dx.doi.org/10.1145/2993318.2993331

Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing

T. Stavropoulos, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing", in Proceedings of the Intelligent Conversation Agents in Home and Geriatric Care Applications, Held in conjunction with the Federated AI Meeting (FAIM), Stockholm, Sweden, 15 July 2018.

A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data

S. Andreadis, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data", in Proceedings of the US-Serbia & West Balkan Data Science Workshop 2018 - Big Data and Critical Infrastructures, Belgrade, Serbia, 26-28 August 2018, (poster presentation).

Towards Air Quality Estimation Using Collected Multimodal Environmental Data

A. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papachristopoulou, C. Keratidis, "Towards Air Quality Estimation Using Collected Multimodal Environmental Data.", in Proceedings of the 1st International Workshop on Internet and Social media for Environmental Monitoring, In conjunction with the 3rd international conference on Internet Science (INSCI 2016), Florence, Italy, 12 September 2016.

A Crisis Classification System for flood risk assessment: the beAWARE project

G. S. Antzoulatos, A. Karakostas, S. Vrochidis, F. Lombardo, D. Norbiato, M. Ferri, I. Kompatsiaris, "A Crisis Classification System for flood risk assessment: the beAWARE project", in Proceedings of the 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), Venezia, Italy, 27-30 November 2018.

Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018)

Multimedia Tools and Applications for Environmental & Biodiversity Informatics

A. Joly, S. Vrochidis, K. Karatzas, A. Karppinen, P. Bonnet (2018). Multimedia Tools and Applications for Environmental & Biodiversity Informatics. 221 pages, Springer.

Big Data Analytics for Large-Scale Multimedia Retrieval

S. Vrochidis, B. Huet, E. Chang, I. Kompatsiaris (2019). Big Data Analytics for Large-Scale Multimedia Retrieval. 348 Pages, Wiley.

ITI interactive video retrieval system

S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI interactive video retrieval system.", in Proceedings of the Conference On Image And Video Retrieval, Proceedings of the 6th ACM international, Amsterdam, The Netherlands, July 2007, pp. 648. https://doi.org/10.1145/1282280.1282375

Hybrid Ontology and Visual-based Retrieval for Cultural Heritage Multimedia Libraries

S. Vrochidis, C. Doulaverakis, L. Makris, A. Gounaris, E. Nidelkou, I. Kompatsiaris, M. G. Strintzis, "Hybrid Ontology and Visual-based Retrieval for Cultural Heritage Multimedia Libraries.", in Proceedings of the 14th International Conference of Image Analysis and Processing - Workshops, Modena, Italy, 10-13 September 2007. DOI: 10.1109/ICIAPW.2007.28

A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections

S. Vrochidis, C. Doulaverakis, A. Gounaris, E. Nidelkou, L. Makris, I. Kompatsiaris, "A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections.", in Proceedings of the 2nd International Conference on Metadata and Semantics Research, Metadata and Semantics, Springer US, Corfu, Greece, 11-12 October, 2007, pp. 1-10. https://doi.org/10.1007/978-0-387-77745-0_1

Integration of Semantic, Metadata and Image search engines with a text search engine for patent retrieval

J. Codina, E. Pianta, S. Vrochidis, S. Papadopoulos, "Integration of Semantic, Metadata and Image search engines with a text search engine for patent retrieval.", in Proceedings of the Semantic Search 2008 Workshop, Tenerife, Spain, June 2, 2008.

MKLab Interactive Video Retrieval System

S. Vrochidis, P. King, L. Makris, A. Moumtzidou, V. Mezaris, I. Kompatsiaris, "MKLab Interactive Video Retrieval System.", in the Proceedings of the Conference On Image And Video Retrieval (CIVR'08), Niagra Falls, Canada, 7-9 July 2008, pp. 563 - 563.

COST292 experimental framework for TRECVID 2008

Q. Zhang, G. Tolias, B. Mansencal, A. Saracoglu, N. Aginako, A. Alatan, L. A. Alexandre, Y. Avrithis, J. Benois-Pineau, K. Chandramouli, M. Corvaglia, U. Damnjanovic, A. Dimou, E. Esen, N. Fatemi, I. Garcia, F. Guerrin, A. Hanjalic, R. Jarina, P. Kapsalas, P. King, I. Kompatsiaris, L. Makris, V. Mezaris, P. Migliorati, A. Moumtzidou, Ph. Mylonas, U. Naci, S. Nikolopoulos, M. Paralic, T. Piatrik, F. Poulin, A. M. G. Pinheiro, L. Raileanu, E. Spyrou, S. Vrochidis, "COST292 experimental framework for TRECVID 2008.", in Proceedings of the TRECVID 2008 Workshop, Gaithersburg, MD, USA, November 2008. https://doi.org/10.1145/1463563.1463569

EOPEN: Open interoperable platform for unified access and analysis of earth observation data

G. Vingione, G. Scarpino, L. Marzell, T. Pettengell, I. Gialampoukidis, S. Andreadis, S. Vrochidis, I. Kompatsiaris, B. Valentin, L. Gale, W.-K. Lee, W. Lee, M. Gienger, D. Hoppe, V. Sitokonstantinou, I. Papoutsis, C. Kontoes, F. Baruffi, M. Ferri, H. Yoon, A. Karppinen, A.-M. Harri, "EOPEN: Open interoperable platform for unified access and analysis of earth observation data", in Proceedings of the 2019 conference on Big Data from Space (BiDS’19), Munich, Germany, 2019, pp. 1–4. https://data.europa.eu/doi/10.2760/848593

Exploiting Implicit User Feedback in Interactive Video Retrieval

S. Vrochidis, I. Kompatsiaris, I. Patras, "Exploiting Implicit User Feedback in Interactive Video Retrieval.", in Proceedings of the 11th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2010), Desenzano del Garda, Italy, April 2010. https://ieeexplore.ieee.org/document/5617661

VERGE: A video interactive retrieval engine

S. Vrochidis, A. Moumtzidou, P. King, A. Dimou, V. Mezaris, I. Kompatsiaris, "VERGE: A video interactive retrieval engine.", in Proceedings of the 8th International Workshop on Content-Based Multimedia Indexing (CBMI 2010), Grenoble, France, 23-25 June 2010, pp. 142-147. DOI: 10.1109/CBMI.2010.5529884

Optimizing Visual Search with Implicit User Feedback in Interactive Video Retrieval

S. Vrochidis, I. Kompatsiaris, I. Patras, "Optimizing Visual Search with Implicit User Feedback in Interactive Video Retrieval.", in Proceedings of the ACM International Conference on Image and Video Retrieval (CIVR 2010), Xi'an, China, 5-7 July 2010, pp. 274-281. https://doi.org/10.1145/1816041.1816082

Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance

G. Meditskos, E. Kontopoulos, S. Vrochidis, I. Kompatsiaris, "Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance", in Proceedings of the 9th Int. Conf. on Semantic Web Applications and Tools for Life Sciences - SWAT4LS, CEUR Workshop Proceedings, Paschke, A., Burger, A., Splendiani, A., Marshall, M.S., and Romano, P. Eds., vol. 1795, Amsterdam, The Netherlands, 2016.

VERGE IN VBS 2017

A. Moumtzidou, T. Mironidis, F. Markatopoulou, S. Andreadis, I. Gialampoukidis, D. Galanopoulos, A. Ioannidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE IN VBS 2017", in Proceedings of the Video Browser Showdown (VBS'17) at the 23rd Int. Conf. on MultiMedia Modeling (MMM'17), Reykjavik, Iceland, 4 January 2017.

An eye-tracking-based approach to facilitate interactive video search

S. Vrochidis, I. Patras, I. Kompatsiaris, "An eye-tracking-based approach to facilitate interactive video search.", in Proceedings of the 1st ACM International Conference on Multimedia Retrieval, ICMR '11, 2011. https://doi.org/10.1145/1991996.1992039

Description Logics and Rules for Multimodal Situational Awareness in Healthcare

G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Description Logics and Rules for Multimodal Situational Awareness in Healthcare", in Proceedings of the Special session on Multimedia and Multimodal Interaction for Health and Basic Care Applications at MMM 2017.

Exploiting gaze movements for automatic video annotation

S. Vrochidis, I. Patras, I. Kompatsiaris, "Exploiting gaze movements for automatic video annotation", in Proceedings of the 13th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2012), Dublin, Ireland, May 23-25, 2012. DOI: 10.1109/WIAMIS.2012.6226766

VERGE in VBS 2019

S. Andreadis, A. Moumtzidou, D. Galanopoulos, F. Markatopoulou, K. Apostolidis, T. Mavropoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "VERGE in VBS 2019", in Proceedings of the 25th Int. Conf. on Multimedia Modeling (MMM2019), Springer LNCS vol. 11296, Thessaloniki, Greece, January 2019, pp. 602-608.

A Smart Dialogue-competent Monitoring Framework Supporting People in Rehabilitation

T. Mavropoulos, G. Meditskos, E. Kamateri, S. Symeonidis, D. Tzimikas, L. Papageorgiou, C. Eleftheriadis, G. Adamopoulos, S. Vrochidis, I. Kompatsiaris, "A Smart Dialogue-competent Monitoring Framework Supporting People in Rehabilitation", in Proceedings of the Multimodal Signal Sensing and Analysis for Assistive Environments for Improving Quality-Of-Life (AGENT Workshop), 12th Pervasive Technologies Related to Assistive Environments Conference (PETRA’19), ACM, Rhodes, Greece, June 5-7, 2019.

REA: A Healthcare-Oriented Virtual Agent with Dialogue Capabilities

T. Mavropoulos, G. Meditskos, E. Kamateri, S. Vrochidis, I. Kompatsiaris, "REA: A Healthcare-Oriented Virtual Agent with Dialogue Capabilities", in Proceedings of the 8th Panhellenic Conference on Biomedical Technology, Hellenic Society for Biomedical Technology (ELEVIT), Athens, Greece, 9-10 May 2019.

Smart Interconnected Infrastructure for Security and Safety in Public Places

A. Chatzimichail, C. Chatzigeorgiou, F. Andritsopoulos, C. Karaberi, G. Meditskos, P. Kasnesis, D. Kogias, G. Gorgogetas, A. Tsanousa, S. Vrochidis, C. Patrikakis, I. Kompatsiaris, "Smart Interconnected Infrastructure for Security and Safety in Public Places", in Proceedings of the International Workshop on IoT Applications and Industry 4.0, co-located with the International Conference on Distributed Computing in Sensor Systems, Santorini Island, Greece, May 29-31, 2019. DOI: 10.1109/DCOSS.2019.00069

A multimodal approach in estimating road passability through a flooded area using social media and satellite images

A. Moumtzidou, P. Giannakeris, S. Andreadis, A. Mavropoulos, G. Meditskos, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris, "A multimodal approach in estimating road passability through a flooded area using social media and satellite images", in Proceedings of the Working Notes Proceeding MediaEval Workshop, multimedia satellite task MediaEval 2018, Sophia Antipolis, France, 29-31 October, 2018.