Publications
2025
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X. Zhou, I. Viola, S. Rossi, and P. Cesar. 2025. "Comparison of Visual Saliency for Dynamic Point Clouds: Task-free vs. Task-dependent" in IEEE Transactions on Visualization and Computer Graphics, 2025.
DOI:
2024
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S. Rossi, I. Viola, L. Toni, and P. Cesar. 2024. "A Clustering Approach to Unveil User Similarities in 6-DoF Extended Reality Applications". ACM Transaction Multimedia Computing and Communications Applications
DOI: 10.1145/3701734 -
J. Jansen, T. Röggla, S.Rossi, I. Viola, P. Cesar. "Open-Sourcing VR2Gather: A Collaborative Social VR System for Adaptive Multi-Party Real Time Communication". In Proceedings of the 32nd ACM International Conference on Multimedia (MM ’24), 2024.
DOI: 10.1145/3664647.3685515 -
P. Gomes, S. Rossi, and L. Toni. “AGAR: Attention Graph-RNN for Adaptative Motion Prediction of Point Clouds of Deformable Objects” ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), 2024.
DOI: 10.1145/3662183. -
T. Röggla, D. Shamma, J. Williamson, I. Viola, S. Rossi, P. Cesar. "A Platform for Collecting User Behaviour Data during Social VR Experiments Using Mozilla Hubs" in Proceedings of the 16th International Workshop on Immersive Mixed and Virtual Environment Systems (MMVE '24), 2024.
DOI: 10.1145/3652212.3652225 -
S. Lee, I. Viola, S. Rossi, Z. Guo, I. Reimat, K. Ławicka, A. Striner, P. Cesar, "Designing and Evaluating a VR Lobby for a Socially Enriching Remote Opera Watching Experience" in IEEE Transactions on Visualization and Computer Graphics, 2024.
DOI: 10.1109/TVCG.2024.3372081.
2023
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S. Rossi, L. Toni, and P. Cesar. “Correlation between entropy and prediction error in VR Head Motion Trajectories”. In Proceedings of the 2nd International ACM Workshop on Interactive eXtended Reality (IXR), 2023.
DOI: 10.1145/3607546.3616805 -
S. Rossi, I. Viola, L. Toni, and P. Cesar, "Extending 3-DoF Metrics to Model User Behaviour Similarity in 6-DoF Immersive Applications". In Proceedings of the 14th Conference on ACM Multimedia Systems (MMSys), 2023.
DOI: 10.1145/3587819.3590976 -
S. Rossi, A. Guedes, and L. Toni. "Streaming and user behaviour in omnidirectional videos." In Immersive Video Technologies (pp. 49-83). Academic Press, 2023.
DOI: 10.1016/B978-0-32-391755-1.00009-2 | https://discovery.ucl.ac.uk/id/eprint/10158036/
2022
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P. Gomes, S. Rossi, and L. Toni. "Explaining Hierarchical Features in Dynamic Point Cloud" Processing in Picture Coding Symposium (PCS). IEEE, 2022.
DOI: 10.1109/PCS56426.2022.10018000 -
S. Rossi, I. Viola, and P. Cesar. "Behavioural Analysis in a 6-DoF VR System: Influence of Content, Quality and User Disposition". In IXR 2022-Proceedings of the 1st Workshop on Interactive eXtended Reality. Association for Computing Machinery (ACM).
DOI: 10.1145/3552483.3556454 -
S. Rossi “Understanding user interactivity for the next-generation immersive communication: design, optimisation, and behavioural analysis” Doctoral thesis (PhD), UCL (University College London), 2022.
[Link]
[🏆 2023 SIGMM award for Outstanding PhD Thesis in Multimedia Computing, Communications and Applications]
[🏆 2022 Lombardi Prize for the best UCL EEE doctoral thesis]
2021
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S. Rossi, I. Viola, L. Toni, and P. Cesar, “A new Challenge: Behavioural analysis of 6-DoF user when consuming immersive media” In Proceedings of IEEE International Conference on Image Processing (ICIP), 2021.
DOI: 10.1109/ICIP42928.2021.9506525 -
P. Gomes, S. Rossi and L. Toni, "Spatio-Temporal Graph-RNN for Point Cloud Prediction" In Proceedings of IEEE International Conference on Image Processing (ICIP), 2021.
DOI: 10.1109/ICIP42928.2021.9506084 -
S. Rossi, I. Viola, J. Jansen, S. Subramanyam, L. Toni, and P. Cesar, “Influence of Narrative Elements on User Behaviour in Photorealistic Social VR.” In Proceedings of the 13th ACM International Workshop on Immersive Mixed and Virtual Environment Systems (MMVE), 2021.
DOI: 10.1145/3458307.3463371
2020
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S. Rossi, C. Ozcinar, A. Smolic, and L. Toni “Do Users Behave Similarly in VR? Investigation of the User Influence on the System Design” ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), 2020.
DOI: 10.1145/3381846
[🏆 2021 Nicholas Georganas ACM TOMM Best Paper Award] -
S. Rossi and L. Toni “Understanding user navigation in immersive experience: an information- theoretic analysis” In Proceedings of the 12th ACM International Workshop on Immersive Mixed and Virtual Environment Systems (MMVE), 2020.
DOI: 10.1145/3386293.3397115
2019
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S. Rossi, F. De Simone and L. Toni, "Spherical clustering of users navigating in 360° content", in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2019.
DOI: 10.1109/ICASSP.2019.8683854
2017
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S. Rossi and L. Toni, "Navigation-aware adaptive streaming strategies for omnidirectional video" in IEEE International Workshop on Multimedia Signal Processing (MMSP), 2017. DOI: 10.1109/MMSP.2017.8122230