Emerging immersive communication systems: overview, taxonomy, and good practices for QoE assessment

P Pérez, E Gonzalez-Sosa, J Gutiérrez… - Frontiers in Signal …, 2022 - frontiersin.org
Several technological and scientific advances have been achieved recently in the fields of
immersive systems (eg, 360-degree/multiview video systems, augmented/mixed/virtual …

Subjective Evaluation of Visual Quality and Simulator Sickness of Short 360 Videos: ITU-T Rec. P.919

J Gutierrez, P Perez, M Orduna, A Singla… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Recently an impressive development in immersive technologies, such as Augmented
Reality (AR), Virtual Reality (VR) and 360 video, has been witnessed. However, methods for …

Impact of self-view latency on quality of experience: Analysis of natural interaction in xr environments

C Cortés, J Gutiérrez, P Pérez, I Viola… - … on Image Processing …, 2022 - ieeexplore.ieee.org
The rise of eXtended Reality (XR) has led to multiple ways of including the user's body in
interactive experiences. However, the delay limits of self-view rendering in interactive XR …

Delay threshold for social interaction in volumetric eXtended Reality communication

C Cortés, I Viola, J Gutiérrez, J Jansen… - ACM Transactions on …, 2024 - dl.acm.org
Immersive technologies like eXtended Reality (XR) are the next step in videoconferencing.
In this context, understanding the effect of delay on communication is crucial. This article …

Explainable Multi-Agent Reinforcement Learning for Extended Reality Codec Adaptation

PE Iturria-Rivera, R Gaigalas, M Elsayed… - arXiv preprint arXiv …, 2024 - arxiv.org
Extended Reality (XR) services are set to transform applications over 5th and 6th generation
wireless networks, delivering immersive experiences. Concurrently, Artificial Intelligence (AI) …

Exploring the Realverse: Building, Deploying, and Managing QoE in XR Communications

P Pérez - 2022 ITU Kaleidoscope-Extended reality–How to …, 2022 - ieeexplore.ieee.org
Immersive communication based on extended Reality (XR) is foreseen to be the next step in
human communication. For that challenge, we propose the “Realverse”: an approach where …

Understanding latency and qoe in social xr

C Cortés, P Pérez, N García - IEEE Consumer Electronics …, 2023 - ieeexplore.ieee.org
The Social eXtended Reality (Social XR) is conceived as an immersive shared space, where
users can interact with others. Thus, Social XR requires an immersive interactive …

Bitstream-quality-estimation model for tile-based VR video streaming services

M Koike, Y Urata, K Yamagishi - IEICE transactions on …, 2022 - search.ieice.org
Tile-based virtual reality (VR) video consists of high-resolution tiles that are displayed in
accordance with the users' viewing directions and a low-resolution tile that is the entire VR …

On the Number of Subjects Needed for 360° Video Quality Experiments: An SOS Based Analysis

M Elwardy, HJ Zepernick… - 2022 14th International …, 2022 - ieeexplore.ieee.org
Subjective 360° video quality experiments provide the ground truth for developing related
systems such that acceptable quality of experience is offered to the users. To obtain …

Subjective and objective quality assessment for omnidirectional video

S Croci, A Singla, S Fremerey, A Raake… - Immersive Video …, 2023 - Elsevier
Video quality assessment is generally important to assess any kind of immersive media
technology, for example, to evaluate a captured content, algorithms for encoding and …