Research Activity


Reviewer of papers published in Journals and International Conferences
Scientific Supervisor of Research Projects
Principal Investigator of Research Projects
Participation in Research Projects
Participation in Research Projects
Member of Scientific Working Groups and Committees
Organization of Conferences
Participation in Congresses


Reviewer of papers published in Journals and International Conferences

He reviewed papers (double blind peer review of full paper) for the following conferences:
  • International Conference: SDI & SIM and FIG Commission 3 Workshop, November 2013 (Skopje, FYROM).
  • FIG Working Week 2013, May 2013 (Abuja, Nigeria)
  • Joint FIG Commission 3, UN ECE WPLA and FIG Task Force on Property and Housing Workshop, December 2012 (Athens, Greece)
  • EuroMed 2012 International Conference, Oct/Nov 2012 (Limassol, Cyprus)
  • FIG Commission 3 Workshop, October 2011 (Paris, France)
  • FIG Working Week 2011, May 2011 (Marrakech, Morocco)
  • Joint FIG Commission 3 and 7 Workshop, November 2010 (Sofia, Bulgaria)
  • XXIV FIG Congress, April 2010 (Sydney, Australia) - reviewer of papers submitted to Commission 3 (Spatial Information Management)
  • CIPA - EuroMed 2010 International Conference, November 2010 (Limassol, Cyprus)
  • FIG Working Week 2009, May 2009 (Eilat, Israel)
  • FIG Commission 3 Workshop, February 2009 (Mainz, Germany)
  • Virtual Systems and MultiMedia (VSMM), October 2008 (Limassol, Cyprus) - reviewer of full papers, project papers, short papers
  • FIG Working Week 2008, May 2008 (Stockholm, Sweden)
  • FIG Commission 3 Workshop, February 2008 (Valencia, Spain)
  • FIG Commission 3 Workshop, March 2007 (Sounio, Greece)
  • CIPA / VAST / EG / EuroMed 2006 Joint Event, October 2006 (Nicosia, Cyprus) - reviewer of full papers, project papers, short papers

He reviewed papers for the following journals:
  • ISPRS Journal of Photogrammetry and Remote Sensing
  • ISPRS International Journal of Geo-Information
  • Photogrammetric Engineering & Remote Sensing - PE & RS
  • Sensors
  • IEEE Geoscience and Remote Sensing Letters - GRSL
  • The Photogrammetric Record
  • CITIES
  • Survey Review, International Journal of Heritage in the Digital Era - IJHDE
  • International Journal of Remote Sensing
  • Remote Sensing Applications: Society and Environment, GeoJournal
  • Water Resources Management
  • Geodetski vestnik

Scientific Supervisor of Research Projects

    Current research projects

    2023-2025 (ongoing project)
    Cultural heritage (CH) provides evidence of past events and contributes to current wellbeing. Preserving CH for future generations requires an understanding of the challenges. In this context, the EU-funded TRIQUETRA project will explore the effects of climate change and natural hazards on CH, including climate-related hazards, extreme water, snow and ice hazards, geological and geophysical hazards, structural damage hazards, chemical and biological hazards as well as related compound and cascading effects. It will create an evidence-based assessment platform that will allow precise risk stratification through a three-step approach of risk identification, quantification and mitigation. The platform, along with a database of available mitigation measures and strategies, will act as a Decision Support Tool towards efficient risk mitigation and site remediation.
    A total of 21 organizations from 7 countries participate in the project, including 8 Universities and Research Organizations and 6 Cultural Heritage Authorities. The project started on 01/01/2023 and will last for 3 years. The TRIQUETRA project is funded from the EU HE research and innovation programme under GA No. 101094818.


    2021-2023 (ongoing project)
    The main objective of 3D-BioPerioDontis is the development of new biomaterials for the fabrication of innovative bio-absorbable 3D printed scaffolds for personalized therapy of periodontitis, which will act simultaneously as drug delivery systems for controlled delivery of active pharmaceutical ingredients (APIs). The most important individual sub-objectives of the project are the following: (i) development of a methodology for creating 3D models of the hard tissues of the oral cavity of patients using CBCT (cone-beam computed tomography) data; (ii) development of a methodology for designing 3D scaffolds for personalized treatment of periodontitis, using 3D models of hard tissues of the oral cavity of patients; (iii) development of a management software for the entire production cycle of scaffolds; (iv) collection of CBCT data for patients with periodontitis; (v) creation of 3D models of the hard tissues of the oral cavity of multiple patients; (vi) 3D design and printing of 3D periodontitis scaffolds for multiple patients.
    The project is co-financed by the European Union and Greek national funds through the Operational Program Competitiveness, Entrepreneurship and Innovation, under the call RESEARCH - CREATE - INNOVATE (project code: T2┼─╩-01641).

    Related papers:
  • A. Kapourani, M. Koromili, S. Verykokou, C. Angelopoulos, C. Ioannidis, V. Valkanioti, M. Chatzitheodoridou and P. Barmpalexis. "Comparison of FDM and SLS printing of periodontal scaffolds using 3D models derived from CBCT scans," in 4th European Conference on Pharmaceutics, March 2023, Marseille, France.
  • S. Verykokou and C. Ioannidis, "An Overview on Image-Based and Scanner-Based 3D Modeling Technologies." Sensors, vol. 23, 2023, 596, doi:10.3390/s23020596.
  • Verykokou, S., Ioannidis C., Angelopoulos, C., 2022. Evaluation of 3D modelling workflows using dental CBCT data for periodontal regenerative treatment. Journal of Personalized Medicine, vol. 12(9), 1355. https://doi.org/10.3390/jpm12091355

  • Completed research projects

  • 'Information System for Multi-level Documentation of Religious Sites and Historic Complexes' (METEORA); Funded by: EPAnEK 2014-2020, European Union; duration:July 2018- July 2021
  • '3D documentation of the Temple of Pythios Appolon in the Ancient Acropolis of Rhodes and the alternative proposals for its restoration'; Funded by: Ephorate of Antiquities of Dodecanese; duration: January - August 2018
  • 'Automated techniques for a 4D scene reconstruction', Hellenic Foundation for Research and Innovation, duration:2017-2019
  • 'Three dimensional Geometric Documentation in the Holly Area of Meteora'; Funded by: Holly Monastery of Saint Stefanos Meteora; duration: July - December 2017
  • '5Dimensional Multi-Purpose Land Information System (5D MUPLIS)'; Funded by: Greece - Israel Bilateral R&D Project; duration: 2014-2015
  • 'Development of an aerial remote sensing system of low altitude for the support of satellite image processing in archaeological research', Bilateral Cooperation between Cyprus and Greece; Funded by: Research Promotion Foundation (RPF) of Cyprus; duration: April 2012 - October 2013
  • 'Investigation of the potential of High Resolution TerraSAR-X data as source of Ground Control Linear Features for the georeference of High Resolution optical images (MTH1032)'; Funded by: German Aerospace Center (DLR), German Remote Sensing Data Center (DFD); duration: January 2011 - December 2013
  • 'Determination of the administrative boundaries between the Municipalities of Keratsini-Drapetsiona and Perama through an investigation of the Administrative Decisions for their definition'; Funded by: Municipality of Keratsini-Drapetsiona; duration: December 2011 - June 2012.
  • 'Research on the combined used of high resolution optical and SAR data using free-form linear features matching'; Co-funded by the European Union (European Social Fund - ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) - Research Funding Program: Heracleitus II; duration: September 2010 - August 2013
  • 'Georeferencing of historical aerial photos using linear features'; Funded by: NTUA - Basic Research Programme 2010; duration: December 2010 - November 2012
  • 'Development of a digital photogrammetric system for stereoscopic calculation of distances', Funded by: FOTOPO S.A.; duration: November 2010 - October 2011
  • 'ACCAES (ACCessibility on archaeological Sites): Application des nouvelles technologies cartographiques et des systemes d' informationsgeographiques (SIG) a l' amelioration des conditions d' accessibilite des personneshandicapees et des personnes a mobilitereduite aux sites archeologiques'; Funded by: Bilateral Cooperation between France and Greece; duration: 24 months (2005-2007).

Principal Investigator of Research Projects

  • 'Machine learning and signal processing technologies from heterogeneous data sources -Application on Security and monitoring of crucial infrastructures and installations (MHTIS), EPAnEK 2014-2020, GSRT, Greece, duration: 2018-2020
  • 'Innovative tool for client experience analysis (CxPress), EPAnEK 2014-2020, GSRT, Greece, duration: 2018-2020
    • 'Interventions for the rehabilitation of the Holy Tomb of the Holy Sepulcher in Jerusalem', 2016-2018
    • 'Transforming Intangible Folkloric Performing Arts into Tangible Choreographic Digital Objects (TERPSICHORE)', EU Horizon 2020 project, MSCA-RISE-2015, 2016-2020
    • 'Inclusive Cultural Heritage in Europe through 3D semantic modelling (INCEPTION)', EU Programme, H2020-REFLECTIVE-7-2014, 2016-2019
    • 'ITN - DCH - Initial Training Networks for Digital Cultural Heritage: Projecting our Past to the Future', E.U. Programme, FP7-PEOPLE-2013-ITN; duration: June 2013 - July 2017
    • 'State-of-the-art mapping technologies for Public Work Studies and Environmental Impact Assessment Studies', Greece - Israel Bilateral R&D Project 2014-2015
    • 'Field surveying and connection of archaeological sites in the region of Ancient Eleftherna', Funded by: University of Crete, (June 2013 - July 2014).
    • 'Investigation of the photogrammetric techniques for the implementation of the shore zone of Aliveri Harbor',Funded by: Public Power Corporation S.A., (June 2013 - July 2014).
    • 'JASON-Joint synergistic and integrated use of eArthobServationnavigatiOn and commuNication technologies for enhanced border security', Greek General Secretariat for Research and Technology - Research programme SYNERGY (January 2013 - July 2015)
    • 'Integrated investigation of the damage and the pathology of materials and constructions - Integrated planning - Compilation of guidelines for the conservation and preservation of buildings', Municipality of Athens (January 2013 - December 2013)
    • 'THALES programme - Seismic protection of monuments and historical constructions (SEISMO)', Ministry of Education - Operational Program "Education and Lifelong Learning" - Research Funding Program THALES (July 2012 - September 2015)
    • 'Comparative study on expropriation legislation in selected EU member states', ECORYS Nederland BV (funded by the European Commission, Regional Policy H1) (July 2012 - January 2013)
    • 'Comparative study on expropriation legislation in selected EU member states', E.C. Programme Regional Policy H1 (2012 - 2013)
    • 'Interpretation and investigation of intervention possibilities at the region of Ladona River and the artificial lake of Ladona', Municipality of Gortinia (July 2012 - November 2013)
    • '4Dimensional Cultural Heritage World (4D CH WORLD)', EU Programme, FP7-PEOPLE-2012-IAPP
    • 'Application of Advanced Geomatic Techniques to the Heritage Recording of Greek Antiquities', Bilateral Cooperation between Australia and Greece
    • 'Research on the methodologies for establishing a micrometric control network, monitoring and 3D presentation of the micro-movements of the MegaliPanagia church in Samarina, Grevena', Municipality of Samarina (May 2009 - October 2010)
    • 'COSMOS: An advanced scientific repository for science teaching and learning', E.U. Programme e-ContentPlusProgramme, 'Euroforum Building' (November 2007 - October 2009)
    • 'Regional Operation Framework of NOE - Programme: DISasterMAnagement GIS with emphasis on cultural sites (DISMA)', E.U. Programme INTERREG IIIC-Sud Initiative (October 2006 - September 2007).
    • 'Geometric documentation and 3D visualization for the reconstruction of statues - Case study at the monument of Souliotisses, Municipality of Zaloggo' (Funded by: Zoggolopoulos Foundation) (May 2008 - May 2009).
    • 'Investigation of digital photogrammetric methods for the documentation of Castles - Case study on the Castle of Chios and the New Monastery of Chios', Principal Investigator of the project, SRSE of NTUA, Funded by: Ministry of Culture, (January 1996 - December 1998).
    • Investigation of digital photogrammetric methods for the documentation of Castles - Case study on the Castle of Neratzia of Kos island', Principal Investigator of the project, SRSE of NTUA, Funded by: Ministry of Culture, (¤ctober 1995 - July 1996).
    • 'Recording and documentation of the Fortresses and Castles in Greece', Principal Investigator of the project, SRSE of NTUA, Funded by: Archaeological Society, (January 1992 - December 1994.)
    • 'Photogrammetric methods and spatial infrastructure for the Urban regeneration projects', Principal Investigator of the project,SRSE of NTUA, Funded by: General Secretariat for Research and Technology, (┴pril 1990 - ┴pril 1992).

    Participation in Research Projects

    • 'Research on the wave pattern following dam failure on Acheloos River ', School of Civil Engineering, NTUA, Funded by: Public Power Corporation S.A., (October 2005 - July 2006).
    • 'Development of advanced Remote Sensing & Photogrammetric techniques for the creation of urban space geospatial databases', Funded by: Ministry of Education - Programme PYTHAGORAS II, (January 2005 - December 2006).
    • 'Geometric documentation of The Academy of Athens' Public Meeting Hall', SRSE of NTUA, Funded by: The Academy of Athens, (February 2005 - February 2006).
    • 'Geotechnical research on the stability of foundations of the walls of historic monuments and proposal for stability improvement - Case study at the Castle of Kalamata', University of Patras, Funded by: Ministry of Culture, (January - June 2003).
    • 'Seismic stabilization of the base and the statue of Hermes of Praxiteles at the New Museum of Ancient Olympia', School of Civil Engineering, NTUA, Funded by: Ministry of Culture, (October 2002 - October 2003).
    • 'Determination of a classification scheme for land use/land cover', SRSE of NTUA, Funded by: HEMCO, (March 2000 - July 2000).
    • Compilation of a risk management plan in the industrial area of Thriasio pedio and Megara', School of Chemical Engineers, NTUA, Funded by: Prefecture of Western Attica, (1997 - 1999).
    • 'Geometric documentation of the Katholikon of Monastery Dochiariou, Mount Athos', School of Architecture, NTUA, Funded by: Ministry of Culture, (1997 - 1998).
    • 'Airphotography of Fthiotides area, Thibes in the municipality of N. Agchialos' SRSE of NTUA, Funded by: The Archaeological Society at Athens, (December 1989 - ╠ay 1990).
    • 'Adjudication of owners and maintenance of the Hellenic Cadastre' SRSE of NTUA, Funded by:General Secretariat for Research and Technology, (╠arch 1988 - August 1989.)

    Member of Scientific Working Groups and Committees

    2019 - 2022 Chair of Working Group 3.2"Geospatial Big Data: collection, processing, and presentation", International Federation of Surveyors (FIG), Commission 3.
    2019 - today Member of the Academic ForumUN Global Geospatial Information Management (UNGGIM).
    2013 - 2015 Member of the Advisory Committee of the research programme 'INDES-MUSA / INovative multi-sensor network for Deformation and Seismic Monitoring of Urban Subsidence-prone Areas" funded by the Greek General Secretariat for Research and Technology - Operational Programme EPAN II - Action 'Bilateral Cooperation between Greece and China'.
    2009-ˇŮýň˝ß Chair of the WG 3.2 "Technical aspects of SIM", FIG Commission 3.
    2009 Member of the Editorial Board for the double blind peer review process of the papers that were presented in the FIG Working Week 2009 on 'Surveyors Key Role in Accelerated Development', Eilat, Israel, 3-8 May 2009.
    2008 Member of the Editorial Board for the double blind peer review process of the papers that were presented in the FIG Working Week 2008 on 'Integrating Generations', Stockholm, Sweden, 14-19 June 2008.
    1999 Member of the HEMCO Committee on 'Study for the integration of the Cadastre of Dodekanisa to the Hellenic Cadastre'.
    1996 Coordinator, as HEMCO representative, of the 1st Working Group for the 'Coastal zone', of the Project titled 'Sustainable Development of the Greek Coastal zone and Islands', Ministry of Environment & Public Works, with the scientific support of the University of The Aegean - Department of Environment (Scientific supervisor Prof. H. Kokkosis). A Technical report of 80 pages was submitted.
    1996 Member of the HEMCO Committee on "Study of the administrative, legal, technical and financial actions for the integration of the 'Cadastral Office of the Capital' to the Hellenic Cadastre".
    1996 - 2000 Representative of HEMCO (Hellenic Mapping & Cadastral Organization) to the meetings of the following Organizations: MOLA (Meeting of Officials on Land Administration), CERCO (Comite Europeen des Responsables de la Cartographie Officielle), MEGRIN (Multipurpose European Ground Related Information Network) and EuroGeographics, for aspects related to National Chartographic Organizations, Land Management, etc.
    1992 -1996 Co-chairman of Working Group 2 - Computer Assisted Teaching, Commission VI, ISPRS).

    For a number of years, he is a member of the examination committees for awarding scholarships for postgraduate studies by the State Scholarships Foundation.

    He is a member of the Technical Champer of Greece (TCG), Hellenic Association of Rural & Surveyor Engineers (HARSE), Hellenic Society for Photogrammetry & Remote Sensing (HSPRS), CIPA and ICOMOS.


    Organization of Conferences

    He was member of the organizing and scientific committees of the following conferences:
    2017 7th International Workshop, 3D ARCH - 3D Virtual Reconstruction and Visualization of Complex Architectures
    2016 High Level FIG / World Bank Conference on Sustainable Real Estate Markets Policy Framework and Necessary Reforms
    2016 World Cultural Heritage Conference 2016 - Euromed 2016 - International Conference on Cultural Heritage Documentation, Preservation and Protection
    2013 International Conference on 'Spatial Data Infrastructures & Spatial Information Management 2013' - Joint meeting of FIG Commission 3, FIG Task Force on Property and Housing and South-East European Research Institute on Geo-Sciences.
    2013 VI International Congress on 'Science and Technology for the Safeguard of Cultural Heritage in the Mediterranean Basin'..
    2012 FIG Commission 3 Annual Meeting & UN ECE WPLA Workshop on 'Spatial Information, Informal Development, Property and Housing'.
    2008 XIV International Conference on Virtual Systems and MultiMedia (VSMM) on 'Digital Heritage: Our Hi-tech-STORY for the Future'.
    2007 XXI CIPA International Symposium on 'Anticipating the future of the cultural past'.
    2003 Joint International Symposium of the UN-ECE (United Nations Economic Commission for Europe) and FIG Commissions 3 & 7 on 'Spatial Information Management for Sustainable Real Estate Market - Best Practice Guidelines for Nation-wide Land Administration'.
    2000 FIG Commission 3 - WG 3.1 Workshop on 'Spatial Information Management - Experiences and Visions for the 21st Century'. Co-editor of the proceedings of the Workshop.
    1998 1st International Scientific Congress on 'Tourism and Culture for Sustainable Development'.
    1991 XIV CIPA International Symposium on 'Architectural Photogrammetry and Information Systems'.
    1990 ISPRS Commission VI Symposium on 'Modern Trends of Education in Photogrammetry and Remote Sensing'.
    1989 2nd conference on 'Perspectives of the Greek Cadastre'.
    1986 1st conference on 'Perspectives of the Greek Cadastre'.
    1982 Two-day workshop on 'Thematic maps and surveying for housing development', organized by the Hellenic Photogrammetric Society.

    Participation in Congresses

    He has participated in 122 workshops/conferences, of which 22 were Greek and 100 international.
    2019 FIG Commission 3, Annual Workshop and Meeting, Advances in Geodata Analytics for Smart Cities and Regions, 23 - 26 September 2019, Cluj-Napoca, Romania
    2019 Fig Working Week 2019, Geospatial Information for a smarter life and environmental resilience, 22-26 April 2019, Hanoi, Vietnam
    2019 11th Session of the Working Party on Land Administration (UN-WPLA), 27-29 February 2019, Geneva
    2018 3D-ARCH 2019, 8th International Workshop 3D-ARCH, 6-8 February 2019, Bergamo, Italy
    2018 FIG Commission 3, Annual Workshop and Meeting, Spatial Information in the Era of Data Science: Challenges and Practical Solutions, 3-6 December 2018, Napoli, Italy
    2018 1st International Conference TMM_CH,'Transdisciplinary Multispectral Modelling and Cooperation for the Preservation of Cultural Heritage', 10-13 October 2018, Athens, Greece
    2018 Joint Geo Delft Conferences: 3D GeoInfo & 6th International FIG Workshop on 3D Cadastres, 1-5 October 2018, Delft, The Netherlands
    2018 FIG Commission 7 Workshop, 'Cadastre in a digital world-Nordic and Global Perspectives', 24-28 September 2018, Bergen, Norway
    2018 XXVI FIG Congress, 'Embracing our smart world where the continents connect: Enhancing the geospatial maturity of societies', 6-11 May 2018, Istanbul, Turkey
    2017 FIG Commission 3, Annual Workshop and Meeting, Volunteered Geographic Information: Emerging Applications in Public Science and Citizen Participation, 27-30 November 2017, Lisboa Portugal
    2017 Fig Working Week 2017, Surveying the world of tomorrow-From digitalization to augmented reality, May 29-June 2, 2017, Helsinki Finland
    2017 Fifth International Conference on Remote Sensing (RSCy2017), 20-23 March 2017, Paphos, Cyprus
    2017 3D-ARCH 2017, 7th Int. ISPRS/CIPA Workshop on "3D Virtual Reconstruction and Visualization of Complex Architectures, 1-3 March 2017, Nafplio, Greece
    2016 FIG Commission 3 Annual Workshop and Meeting, 3-5 November 2016, Iasi, Romania
    2016 EUROMED 2016, International Conference on Digital Heritage, Oct 31- Nov 5, 2016, Nicosia, Cyprus
    2016 High-Level Joint FIG / World Bank Conference, 'Sustainable Real Estate Markets Policy Framework and Necessary Reforms', 19-20 September 2016, Athens, Greece
    2016 XXIIIInd ISPRS Congress, 12-19 July 2016, Prague, CZECH REPUBLIC
    2016 RSCy2016, Fourth International Conference on Remote Sensing and Geoinformation of Environmentó 4-8 April, 2016 - Cyprus
    2015 Joint Workshop FIG Commission 3 & Commission 7, 'Crowdsourcing of Land Information', 16-20 November 2015, Malta
    2015 ETNDT6 - Emerging Technologies in Non Destructive Testing, 26-29 May, Brussels, Belgium
    2015 Fig Working Week 2015, From the wisdom of the ages to the challenges of modern word, 17-21 May 2015, Bulgaria
    2015 RSCy2015, Third International Conference on Remote Sensing and Geoinformation of Environmentó 16-19 March, 2015 - Cyprus
    2014 XXV Fig Congress, Engaging the Challenges, Enhancing the Relevance, 16-21 June 2014, Kuala Lumpur, Malaysia
    2014 RSCy2014, Second International Conference on Remote Sensing and Geoinformation of Environmentó 7-10 April , 2014 Coral Beach Hotel, Pafos Cyprus
    2013 Fig Working Week 2013, Environment for Sustainability, 6-10 May 2013, Abuja, Nigeria
    2013 5th International Workshop '3D-ARCH'2013 - Virtual Reconstruction and Visualization of Complex Architectures', Trento, Italy, 25-26 February 2013.
    2013 First International Conference on Remote Sensing and Geoinformation of Environment (RSCy2013), Paphos, Cyprus, April 8-10 2013.
    2013 6th International Congress on "Science and Technology for the Safeguard of Cultural Heritage in the Mediterranean Basin", Athens, Greece (22-25 October 2013).
    2012 FIG Commission 3 Annual Meeting & UN ECE WPLA Workshop "Spatial Information, Informal Development, Property and Housing", Athens, Greece, 11-14 December 2012.
    2012 4th International Euro-Mediterranean Conference (EuroMed 2012), Limassol, Cyprus, 29 Oct.-3 Nov. 2012.
    2012 FIG Working Week 2012 "Knowing to manage the territory, protect the environment, evaluate the cultural heritages", Rome, Italy, 6-10 May 2012.
    2011 Contemporary applications of Photogrammetry, Patra, Greece, 10 December 2011.
    2011 FIG Commission 3 Workshop "The Empowerment of Local Authorities: Spatial Information and Spatial Planning Tools", Paris, France, 25-28/10/2011.
    2011 XXXIII International CIPA Symposium, Prague, Czech Republic, 12-16 September 2011.
    2010 3rd HARSE conference titled 'From measurement to management and intervention', Athens, 17-18 December 2010.
    2010 FIG Handover Ceremony, Copenhagen, Denmark, 24-26 November 2010
    2010 Workshop on Land Consolidation, Nicosia, Cyprus, 13 Oct 2010.
    2010 ISPRS Technical Commission III Symposium: PCV 2010 - "Photogrammetry Computer Vision and Image Analysis", Paris, France, 1-3 September 2010.
    2010 XXIV FIG International Congress 2010 "Facing the Challenges - Building the Capacity", Sydney, Australia, 11-16 April 2010.
    2010 UNECE WPLA International Workshop on "Efficient and Transparent Real Estate Management", Baku, Azerbaijan, 4-5 March 2010
    2009 Pan-Turkish GIS Conference, Izmir, Turkey, 2-6 November 2009.
    2009 FIG Working Week 2009 "Surveyors Key Role in Accelerated Development", Eilat, Israel, 3-8 May 2009.
    2008 Two-day Workshop on Land Consolidation, Department of Land Consolidation of the Ministry for Agriculture of Cyprus, Agros, Cyprus, 17-18 November 2008.
    2008 14th International Conference on Virtual Systems and MultiMedia (VSMM) "Digital Heritage: Our Hi-tech-STORY for the Future", Limassol, Cyprus, 20-26 October 2008.
    2008 FIG Working Week 2008 "Integrating Generations", Stockholm, Sweden, 14-19 June 2008.
    2008 FIG Commission 3 Workshop "Spatial Information Management toward Environmental Management of Mega Cities", Valencia, Spain, 18-21 February 2008.
    2007 Symposium on 'NTUA in the front line of the research and technology', Athens, 3-4 December 2007.
    2007 6th FIG Regional Conference on "Coastal Areas and Land Administration", San Jose, Costa Rica, 12-15 November 2007.
    2007 2nd regular Panhellenic Symposium of Metrology, HellasLab - Hellenic Institute of Metrology, Thessaloniki, 19-20 October 2007.
    2007 CIPA 21st Symposium "Anticipating the future of the cultural past", Athens, Greece, 1-6 October 2007.
    2007 8th Conference on Optical 3-D Measurement Techniques, Zurich, Switzerland, 9-12 July 2007.
    2007 UN/ECE WPLA Workshop "Informal Settlements - Real Estate Market Needs for Good Land Administration and Planning", Athens, Greece, 28-31 March 2007.
    2006 2nd HARSE conference on 'Contemporary approaches for measurements and their impact on visualization, monitoring and management of space', Athens, 8-9 December 2006.
    2006 FIG XXIII International Congress "Shaping the Change", Munich, Germany, 8-13 October 2006.
    2006 CIPA / VAST / EG / EuroMed 2006 Joint Event "The e-volution of Information Technology in Cultural Heritage", Nicosia, Cyprus, 30 Oct.-4 Nov. 2006.
    2006 ISPRS Commission V Symposium "Image Engineering and Vision Metrology", Dresden, Germany, 25-27 September 2006.
    2006 ISPRS Commission I Symposium "From Sensors to Imagery", Paris, France, 4-6 July 2006.
    2006 5th FIG Regional Conference "Promoting Land Administration and Good Governance", Accra, Ghana, 8-11 March 2006.
    2005 CIPA 2005 XX International Symposium "International cooperation to save the world's cultural heritage", Torino, Italy, 26 Sept.-1Oct. 2005.
    2005 International Workshop on "Recording, Modeling and Visualization of Cultural Heritage", Ascona, Switzerland, 22-27 May 2005.
    2005 FIG Working Week 2005 "From Pharaohs to Geoinformatics - Shaping the Change", Cairo, Egypt, 18-22 April 2005.
    2004 UN/ECE WPLA Workshop "Real Property Administration in Developing the Information Society", Vilnius, Lithuania, 23-24 September 2004.
    2004 XXth ISPRS Congress, International Society for Photogrammetry and Remote Sensing, "Geo-imagery bringing continents", Istanbul, Turkey, 12-23 July 2004.
    2004 FIG Working Week 2004 "The Olympic Spirit in Surveying", Athens, Greece, 22-27 May 2004.
    2004 3rd Hellenic Symposium on 'Geoinformation Society', HellasGI, Athens, 11-12 March 2004.
    2004 UN/ECE Working Party on Land Administration Workshop "Land Administration Review for the Russian Federation Launching Event", Moscow, Russian Federation, 6-7/2/2004.
    2003 2nd FIG Regional Conference "Urban-Rural Interrelationship for Sustainable Environment", Marrakech, Morocco, 2-5 December 2003.
    2003 CIPA 2003 XIXth International Symposium "New perspectives to save Cultural Heritage", Antalya, Turkey, 30 Sept.-4 Oct. 2003.
    2003 7th User Meeting Photogrammetry & Remote Sensing of Z/I Imaging, Athens, June 2003.
    2003 UN/ECE WPLA & FIG Com3 & Com7 Workshop on:"Spatial Information Management for Sustainable Real Estate Market - Best Practice Guidelines on Nation-wide Land Administration", Athens, Greece, 28-31 May 2003.
    2003 FIG Working Week "Still in the Front line", Paris, France, 13-17/4/2003.
    2003 ISPRS Commission V, Working Group 6 International Workshop, "Visualization and Animation of Reality- based 3D Models", Tarasp-Vulpera, Engatin, Switzerland, 24-28/2/2003.
    2003 Two-day Workshop on 'Hellenic Cadastre - Future and Perspectives', TCG - HARSE, Athens, 6-7/2/2003.
    2002 2nd Hellenic Symposium on GIS, HellasGI, Athens, 2002.
    2002 UN/ECE Working Party on Land Administration Workshop 'Customers - Cooperation - Services', Vienna, Austria, 12-13 Sept. 2002.
    2002 ISPRS Commission V Symposium 2002 "Close-Range Visualization Techniques", Corfu, Greece, 2-6/9/2002.
    2002 UN/ECE Working Party on Land Administration Workshop 'On Mass Valuation Systems of Land (Real Estate) for Taxation Purposes', Moscow, Russian Federation, 26-28 June 2002.
    2002 6th User Meeting Photogrammetry & Remote Sensing of Z/I Imaging, Athens, June 2002.
    2002 XXII F.I.G. International Congress - ACSM-ASPRS Conference and Technology Exhibition 2002, Washington DC, USA, 19-26/4/2002.
    2002 Thomson Symposium 2002, Loughborough University, Leicestershire, 5-7 April 2002.
    2001 XVIII International Symposium of CIPA, Potsdam, Germany, Sept 18-21 2001.
    2001 EUROGEOGRAPHICS 2001 General Assembly, Dublin, Ireland 2-5/9/2001.
    2000 Hellenic Cadastre: Yesterday - Today - Tomorrow, HARSE - TCG - SRSE, Athens, 19-20/10/2000.
    2000 FIG Commission 3 - WG 3.1 Workshop on 'Spatial Information Management - Experiences and Visions for the 21st Century', Athens, Greece, 4-7/10/2000.
    2000 XIX ISPRS Congress, International Society for Photogrammetry and Remote Sensing, 'Geoinformation for all', Amsterdam, The Netherlands, 16-23/7/2000.
    2000 F.I.G. Working Week and Conference 'Quo Vadis Surveying of the 21st Century', Prague, Czech Republik, 22-26/5/2000.
    2000 F.I.G. Commission 7 Annual Meeting, Hamburg, Germany, 14-19/5/2000.
    1999 F.I.G. Commission 3 Annual Meeting and Seminar on 'Spatial Information Management', Budapest, Hungary, 21-23/10/1999.
    1999 Cambridge Conference on 'National mapping in changing times: global technology, policies and practice', Ordnance Survey, Cambridge, U.K., 19-23/7/1999.
    1999 ISPRS Working Group V/5, V/2 Join Workshop on 'Photogrammetric Measurement, Object Modeling and Documentation in Architecture and Industry', Thessaloniki, Greece, 7-9/7/1999.
    1999 Workshop on Modern Cadastre and Land Registration Systems, M.O.L.A., Committee on Human Settlements, Economic Commission for Europe, United Nations, Bonn, Germany, 11- 12/3/1999.
    1998 XXI Congress of the International Federation of Surveyors (FIG), 'Developing the Profession in a Developing World', Brighton, U.K., 20-25/7/1998.
    1998 1st International Scientific Congress 'Tourism and Culture for Sustainable Development', NTUA - Department of Geography and Regional Planning, Athens, Greece, 19-21/5/1998.
    1997 CIPA International Symposium on 'Photogrammetry in Architecture, Archaeology and Urban Conservation', Goeteborg, Sweden, 1-3/10/1997.
    1997 MEGRIN International Meeting, IGN, Paris, France, July 1997.
    1997 FIG Commission 7 Annual Meeting on 'Cadastral System in Developing Countries', Penang, Malaysia, 5-9/5/1997.
    1997 Two-day Workshop on the Hellenic Cadastre, KTIMATOLOGIO SA, Thessaloniki, 30-31/3/1997.
    1996 XVIII ISPRS Congress, International Society for Photogrammetry and Remote Sensing, Vienna, Austria, 9-19/7/1996
    1996 International Meeting for the Greek Cadastre, HEMCO, Athens, 24-25/6/1996.
    1996 Workshop on Reforms of Cadastre and Land Registration Systems in Central and Eastern Europe and in Latin America, Economic Commission for Europe, United Nations, Sevilla, Spain,5-8/3/1996.
    1995 F.I.G. Commission 7 Annual Meeting, Delft, The Netherlands, June 1995.
    1995 NTUA for Metsovo - Repaying the Debt, 1st Interdisciplinary Symposium, NTUA, Metsovo, 5-6/5/1995.
    1994 Digital Cartography, Photogrammetry and Remote Sensing, TCG, Athens, 10-11/2/1994.
    1993 Optical 3-D Measurement Techniques II, ISPRS Commission V - Institut fur Geodasie und Photogrammetrie E.T.H. - Institute of National Surveying and Engineering Geodesy Wien, Zurich, Switzerland, 4-7/10/1993.
    1993 XV CIPA International Symposium, Sinaia, Rumania, 22-25/9/1993.
    1993 XVII ISPRS Congress, International Society for Photogrammetry and Remote Sensing, Washington D.C., U.S.A., 2-14/8/1992.
    1992 International Workshop on Global Positioning Systems in Geosciences, Technical University of Crete, Chania, Greece, 8-10/6/1992.
    1991 XIV CIPA International Symposium on 'Architectural Photogrammetry and Information Systems', Delphi, Greece, 2- 5/10/1991
    1990 Modern Trends of Education in Photogrammetry and Remote Sensing, ISPRS Commission VI, Rhodes, Greece, 13-16/9/1990.
    1989 XII International Symposium of Architectural Photogrammetry, CIPA - ICOMOS - ISPRS, Rome, Italy, 24-26/10/1989.
    1989 2nd conference on 'Perspectives of the Greek Cadastre', SRSE NTUA - TCG - HEMCO, Athens, 25-26/9/1989.
    1987 Intercommission Conference on 'Fast Processing of Photogrammetric Data', ISPRS Working Group II/2, III/2, V/6, Interlaken, Switzerland, 2-4/6/1987.
    1986 Perspectives of the Greek Cadastre, SRSE NTUA - TCG, 3-4/11/1986.
    1986 Contemporary methods for the geometric documentation of monuments and archaeological sites, TCG of Central Macedonia - HARSE of North Greece, Thessaloniki, 29/9-3/10/1986.
    1985 Seminar on Digital Mapping, ITC - Intergraph, Enschede, The Netherlands, 7-8/10/1985.
    1985 Development Trends in Rural & Surveying Engineering, HARSE, Athens, March 1985.
    1984 Integrated Land Information - Prerequisite for the development, Department of Cadastre, photogrammetry and Cartography, Aristotle University of Thessaloniki, Thessaloniki, 26-29/11/1984.
    1984 Join Meeting of FIG Commissions 3 & 7, Athens, Greece, June 1984.
    1983 XVII Congress of the International Federation of Surveyors (FIG), Sofia, Bulgaria, 19-28/6/1983.
    1983 International Seminar on Cadastre, Ministry of Regional Planning & Environment, Athens, 16-19/5/1983.
    1982 C.I.P.A. International Symposium on 'Photogrammetric Contribution to the Documentation of Historical Centers and Monuments', Siena, Italy, 18-20/10/1982.
    1982 Thematic maps and surveying for housing development, Hellenic Photogrammetric Society, Athens, 31/5-1/6/1982.