PROJECT OUTCOMES
Publications
As a Horizon Europe project co-financed by the European Comission, XReco was obliged to publish its activities, milestones and ongoing processes.
This page was updated regularly with the newest reports.
General
Roberto Iacoviello; Alberto Ciprian; Alberto Messina; Maurizio Montagnuolo; Davide Zappia:
XReco Platform and RAI News Media Demonstrator. Oct 2025 [LINK]
Search & Retrieval
Arnold, Rahel; Loris Sauter, Heiko Schuldt:
Free-form Multi-Modal Multimedia Retrieval (4MR). Jan 2023 [LINK]
Arnold, Rahel; Heiko Schuldt:
Multimedia Retrieval in Mixed Reality: Leveraging Live Queries for Immersive Experiences. Jan 2024 [LINK]
Arnold, Rahel; Werner Bailer, Ralph Gasser, Björn Þ. Jónsson, Omar Shahbaz Khan, Heiko Schuldt, Florian Spiess and Lucia Vadicamo:
Multimedia Information Retrieval in XR. Oct 2024 [LINK]
Arnold, Rahel; Heiko Schuldt:
Multimodal Understanding: Investigating the Capabilities of Large Multimodal Models for Object Detection in XR Applications. Oct 2024 [LINK]
Arzberger, Stefan J.; Paul Raith, Werner Bailer and Marion Jaks:
A Dataset and Metric for Textual Video Content Description. Oct 2025 [LINK]
Bailer, Werner; Rahel Arnold, Vera Benz, Davide Coccomini, Anastasios Gkagkas, Gylfi Þór Guðmundsson, Silvan Heller, Björn Þór Jónsson, Jakub Lokoc, Nicola Messina, Nick Pantelidis, and Jiaxin Wu:
Improving Query and Assessment Quality in Text-Based Interactive Video Retrieval Evaluation. Jun 2023 [LINK]
Fürntratt, Hermann; Werner Bailer, Florian Krebs, Roland Unterberger and Herwig Zeiner:
Exploring Image Search on Quantum Computing Systems. Jun 2025 [LINK]
Gasser, Ralph; Rahel Arnold, Fynn Faber, Heiko Schuldt, Raphael Waltenspühl, Luca Rossetto:
A new Retrieval Engine for vitrivr. Jan 2024 [LINK]
Gasser, Ralph; Rahel Arnold; Laura Rettig; Heiko Schuldt; Raphael Waltenspül; Luca Rossetto:
Open-Source Multimedia Retrieval with vitrivr-engine, Oct 2025 [LINK]
Heller, Silvan:
Temporal multimodal video and lifelog retrieval; Jan 2023 [LINK]
Lokoč, Jakub; Stelios Andreadis; Werner Bailer; Aaron Duane; Cathal Gurrin; Zhixin Ma; Nicola Messina; Thao-Nhu Nguyen; Ladislav Peška; Luca Rossetto; Loris Sauter; Konstantin Schall; Klaus Schoeffmann; Omar Shahbaz Khan; Florian Spiess; Lucia Vadicamo; Stefanos Vrochidis:
Interactive video retrieval in the age of effective joint embedding deep models: lessons from the 11th VBS, Dec 2023 [LINK]
Neuschmied , Helmut and Werner Bailer:
Mining Landmark Images for Scene Reconstruction from Weakly Annotated Video Collections. Jan 2024 [LINK]
Neuschmied , Helmut and Werner Bailer:
Efficient Few-shot Incremental Training for Landmark Recognition. Jun 2024 [LINK]
Neuschmied , Helmut and Werner Bailer:
Enabling Domain Experts to Train Efficient Few-Shot Incremental Landmark Recognition. Sep 2024 [LINK]
Pantelidis, Nick; Maria Pegia, Damianos Galanopoulos, Konstantinos Apostolidis, Klearchos Stavrothanasopoulos, Anastasia Moumtzidou, Konstantinos Gkountakos, Ilias Gialampoukidis, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris & Björn Þór Jónsson:
VERGE in VBS2024. Jan 2024 [LINK]
Pantelidis, N.; M. Pegia; D. Galanopoulos; K. Apostolidis; K. Stavrothanasopoulos; A. Moumtzidou; K. Gkountakos; I. Gialampoukidis; S. Vrochidis; V. Mezaris; I. Kompatsiaris:
VERGE in CBMI2024, Feb 2024 [LINK]
Pegia, Maria; Björn Þór Jónsson, Anastasia Moumtzidou, Sotiris Diplaris, Ilias Gialampoukidis, Stefanos Vrochidis, and Ioannis Kompatsiaris:
Multimodal 3D Object Retrieval. Jan 2024 [LINK]
Pegia, Maria:
Multimodality in Media Retrieval, Apr 2024 [LINK]
Pegia, Maria; Dimitris Georgalis; Nick Pantelidis; Björn Þór Jónsson; Anastasia Moumtzidou; Sotiris Diplaris; Ilias Gialampoukidis; Stefanos Vrochidis; Ioannis Kompatsiaris:
3DMSE: An Interactive 3D Media Search Engine, Apr 2024 [LINK]
Pegia, Maria; B. Þ. Jónsson, A. Moumtzidou, S. Dimplaris, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris:
Descriptor Impact on Multimodal 3D Retrieval, May 2024 [LINK]
Pegia, Maria; Sotiris Diplaris, Stefanos Vrochidis, Heiko Schuldt, Florian Spiess, Rahel Arnold, Werner Bailer:
Multimedia Retrieval in and for XR. Jun 2024 [LINK]
Rossetto, Luca; Heiko Schuldt, Ralph Gasser:
Towards a Universal Query Representation for Multimodal Information Retrieval, Oct 2025 [LINK]
Schall, Konstantin and Werner Bailer, Kai-Uwe Barthel, Fabio Carrara, Jakub Lokoč, Ladislav Peška, Klaus Schoeffmann, Lucia Vadicamo and Claudio Vairo:
Interactive Multimodal Video Search: An Extended Post-Evaluation for the VBS 2022 Competition, Mar 2024 [LINK]
Vadicamo, Lucia; Rahel Arnold, Werner Bailer, Fabio Carrara, Cathal Gurrin, Nico Hezel, Xinghan Li, Jakub Lokoc, Sebastian Lubos, Zhixin Ma, Nicola Messina, Thao-Nhu Nguyen, Ladislav Peska, Luca Rossetto, Loris Sauter, Klaus Schöffmann, Florian Spiess, Minh-Triet Tran, Stefanos Vrochidis:
Evaluating Performance and Trends in Interactive Video Retrieval: Insights from the 12th VBS Competition. May 2024 [LINK]
3D Reconstruction
Cheimariotis, G.A.; A. Karakottas, V. Chatzis, A. Kanlis, D. Zarpalas:
Image Valuation in NeRF-Based 3D Reconstruction. Sep 2025 [LINK]
Cortés, Carlos; Irene Viola; Jesús Gutiérrez; Jack Jansen; Shishir Subramanyam; Evangelos Alexiou; Pablo Pérez; Narciso García; Pablo César:
Delay Threshold for Social Interaction in Volumetric eXtended Reality Communication, Apr 2024 [LINK]
Ferrarotti, Anna; Isabel Rodríguez, Javier Usón, Sara Baldoni, Jesús Gutiérrez, Daniel Berjón, Francisco Morán, Federica Battisti, Narciso García, Marco Carli and Julián Cabrera:
Analysis and Comparison of Objective Metrics for Quality Assessment of 3D Meshes in Cultural Heritage Applications. Sep 2025 [LINK]
Gutiérrez, Jesús; Gulzhanat Dandyyeva, Matteo Dal Magro, Carlos Cortés, Michele Brizzi, Marco Carli, Federica Battisti:
Subjective Evaluation of Dynamic Point Clouds: Impact of Compression and Exploration Behavior. Sep 2023 [LINK]
Hernando, Teresa; Daniel Berjón, Francisco Morán, Javier Usón, Cesar Díaz, Julián Cabrera, Narciso García:
Real-Time Layered View Synthesis for Free-Viewpoint Video from Unreliable Depth Information. Jun 2023 [LINK]
Huerta, Ivan; Leonel Toledo, Sergio Montoya, Marc Martos, Sergi Fernandez, Mario Montagud:
Volumetric Video Reconstruction and Communications: Toward a New Era of Interactive and Immersive Social Virtual Reality (VR) Experiences. Sep 2024 [LINK]
Ionascu, Alexandru; Sebastian Stefaniga; Mihail Gaianu:
Synthetic Football Sprite Animations Learned Across the Pitch, Sep 2023 [LINK]
Martini, Miriana; Valeria Valentini, Alberto Ciprian, Andrea Bottino, Roberto Iacoviello, Maurizio Montagnuolo, Alberto Messina, Francesco Strada, Davide Zappia:
Semi-Automated Digital Human Production for Enhanced Media Broadcasting. Jul 2024 [LINK]
Mas, Ignasi, Josep Brugues, Sergi Mercade, Leonel Toledo, Mario Montagud, Jesus Alonso-Zarate, Josep Escrig, Ivan Huerta:
Urban scene removal and completion. Oct 2025 [LINK]
Montoya, Sergio; Ivan Huerta, Josep Escrig:
GDNeRF: Generalizable Depth-based NeRF for sparse view synthesis. Jul 2025 [LINK]
Toledo, Leo; Ivan Huerta; Eric Casadella; Ignasi Mas; Maya Antoun; Wissam Tedros; Daniel Asmar; Gerasimos Arvanitis; Konstantinos Moustakas; Efthymios Koukoulis; Aleksandar Jevtic; Romain Guesdon; Alberto Lara; Sergi Fernandez:
Cooperative Perception for Digital Twin Reconstruction, Feb 2025 [LINK]
Usón, Javier, Victoria Muñoz, Carlos Cortés, Daniel Berjón, Francisco Morán, César Díaz, Jesús Gutiérrez, Fernando Jaureguizar, Narciso García, Julián Cabrera:
Real-Time Free Viewpoint Video for Immersive Videoconferencing. Jun 2024 [LINK]
Usón, Javier; Julián Cabrera:
Is Real-time Deep Learning-based Monocular Depth Estimation accurate for Multi-Camera Setups? Apr 2025 [LINK]
Usón, Javier; Julián Cabrera:
Is Real-time Deep Learning-based Monocular Depth Estimation accurate for Multi-Camera Setups? Apr 2025 [LINK]
Usón, Javier; Carlos Cortés, Victoria Muñoz, Teresa Hernando, Daniel Berjón, Francisco Morán, Julián Cabrera, Narciso García:
Analysis and Development of Deep Learning Depth Estimation Techniques for Volumetric Capture and Free Viewpoint Video. Apr 2024 [LINK]
Usón, Javier; Victoria Muñoz, Carlos Cortés, Daniel Berjón, Francisco Morán, César Díaz, Jesús Gutiérrez, Fernando Jaureguizar, Narciso García, Julián Cabrera:
Real-Time Free Viewpoint Video for Immersive Videoconferencing. Sep 2024 [LINK]
Copyright, Content Monetisation & AI Regulations
Chiou, T.:
Data as Remuneration in Digital Copyright Licensing: Some Reflections on the Concept of ‘Appropriate and Proportionate Remuneration’ Under Art. 18 EU Directive 2019/790 in the Data Era. Nov 2025 [LINK]
Chiou, T.; Leander Staehler:
EU Copyright Law, Artificial Intelligence and ‘Transformative Use’ of Works: The Case of 3D Reconstruction . Nov 2025 [LINK]
Ulisses, Alexandre:
Secure, Dynamic and Uncomplicated Licensing of Movies on a Blockchain Infrastructure. Feb 2023 [LINK]
Automotive
Nevezi-Strango, David ; Gaianu, M.:
Ubervvald: Advanced Object Detection Library for Optimizing Complex Convolutional Neural Networks (CNNs). Apr 2025 [LINK]
Valcan, S., Gaianu, M.:
Ground Truth Data Generator in Automotive Infrared Sensor Vision Problems Using a Minimum Set of Operations. Sep 2023 [LINK]
Valcan, S., Gaianu, M.:
Complete Convolutional Neural Networks Environment for Computer Vision Problems With Nvidia Drive AGX Xavier. 2024 [LINK]