International networks
| EU Cost Action | CA21133: Globalisation, Illicit Trade, Sustainability and Security (GLITSS)
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Editorial
| 2022 - to date | Associate editor of Frontiers in Robotics and AI - Robot and Machine Vision |
| 2022 - to date | Associate editor of SN Computer Science |
| 2018 - to date | Associate editor of Pattern Recognition |
| 2018 - to date | Associate editor of Pattern Recognition Letters |
| 2021 | Guest editor of the Special Issue, Autonomous Health Monitoring and Assistance Systems using IoT, Frontiers in Robotics and AI |
| 2015 | Co-editor of the Special issue on selected papers from CAIP 2015 on the Springer journal Machine Vision and Applications |
| 2015 | Co-editor of the CAIP2015 Proceedings published by Springer in two volumes: Part 1 and Part 2 |
Research grant programs
| Nov 2022 | Jury Member of NWO-eScience |
| July 2021 | Jury Member of NWO-OTP |
Co-chair of int'l conferences & workshops
| Sep 2017 | Co-chair of WBICV2017, Catania, Italy |
| Aug 2017 | Co-chair of REACTS2017, Ystad, Sweden |
| Aug 2015 | General co-chair of the 1st international workshop on Computational Models of Visual Cortex (CMVC) as part of the 9th International Conference on Bio-inspired Information and Communications Technologies (formerly BIONETICS), 3-5 Dec, New York City, New York, USA. |
| Sep 2015 | General co-chair of the 16th international CAIP 2015 conference, 2-4 Sep, Valletta, Malta |
| Sep 2015 | Co-chair of REACTS2015, Valletta, Malta |
| Apr 2012 | Co-chair of the workshop "Supercomputers and Brain-Inspired Machine Vision", St. Martin’s Institute, Malta
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| Apr 2011 | Co-chair of the workshop "Robot Intelligence: How do robots learn and see?, St. Martin’s Institute, Malta
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PhD defense committees
| May 2022 | Co-promoter and examiner of Astone Shi, University of Groningen |
| Jan 2022 | Examiner of Laurens van Kouwenhove, University of Groningen |
| Jun 2021 | Examiner of Xingyu Chen, University of Groningen |
| Dec 2020 | Co-promoter and examiner of Ahmad Alsahaf, University of Groningen |
| Sep 2020 | Examiner of Klaas Dijkstra, University of Groningen |
| Aug 2020 | Examiner of Godliver Owomugisha, University of Groningen |
| Jun 2018 | Examiner of Irene Schiza, University of Groningen |
| Dec 2017 | Co-promoter and examiner of Jiapan Guo, University of Groningen |
| May 2017 | Examiner of Maria Papaioannou, University of Cyprus, Cyprus |
| Feb 2017 | Co-promoter and examiner of Nicola Strisciuglio, University of Salerno, Italy. Nicola was a double-doctorate PhD student and he defended at two Universities. |
| Nov 2016 | Examiner of Sergio Garrido Jurado, University of Cordoba, Spain |
| Dec 2016 | Co-promoter and examiner of Andreas Neocleous, University of Groningen |
| Jun 2016 | Co-promoter and examiner of Nicola Strisciuglio, University of Groningen |
Summer schools
| Jul 2015 | Lecturer at the Fifth International Summer School on Brain-inspired Computer Vision, Shenyang, China |
| Jul 2011 | Student at the ICVSS - International Computer Vision Summer School, Siracusa, Sicily |
| Jun 2010 | Student at the AERFAI Summer School on Pattern Recognition and Machine Learning in Multimedia Systems, Benicassim, Spain |
Program committees of int'l research events
| 2012 - to date | Actively involved in the program committees of various international conferences and workshops, namely CVPR, ECCV, ICCV, NeurIPS, ICML, ICPRAM, VISAPP, CAIP, DOCENG, FAISE, and ICANN. |
Other
| Feb 2023 | Associate chair in VISAPP2023, Lisbon, Portugal |
| Jan 2022 | Associate chair in VISAPP2022, Online Streaming |
| Sep 2021 | Session chair in CAIP2021, Nicosia, Cyprus |
| Aug 2021 - to date | Illicit Trade Group, University of Groningen |
| Feb 2020 | Local and chair of the plenary session in ICPRAM2020, Valletta, Malta |
| Sep 2019 | Session chair in CAIP2019, Salerno, Italy |
| Sep 2014 | External examiner of two MSc projects from Makerere University, Uganda |
| Jul 2013 | Session chair in BrainComp |