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.
Table of Contents
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]