Video services are evolving from traditional two-dimensional video to virtual reality and
holograms, which offer six degrees of freedom to users, enabling them to freely move …

Abstract The commercialization of Virtual Reality (VR) headsets has made immersive and
360-degree video streaming the subject of intense interest in the industry and research …

Recently an impressive development in immersive technologies, such as Augmented
Reality (AR), Virtual Reality (VR) and 360 video, has been witnessed. However, methods for …

Telemeetings such as audiovisual conferences or virtual meetings play an increasingly
important role in our professional and private lives. For that reason, system developers and …

This paper describes the process carried out to validate the application of one of the most
robust and influential video quality metrics, Video Multimethod Assessment Fusion (VMAF) …

Numerous methodologies for subjective quality assessment exist in the field of image
processing. In particular, the Absolute Category Rating with Hidden Reference (ACR-HR) …

In viewport-adaptive streaming of omnidirectional video, only the field of view is streamed in
high quality. While this has significant benefits over streaming the entire 360 sphere, no …

Due to the advances in head-mounted displays (HMDs), hardware and software
technologies, and mobile connectivity, virtual reality (VR) applications such as viewing 360° …

Omnidirectional video (ODV) streaming applications are becoming increasingly popular.
They enable a highly immersive experience as the user can freely choose her/his field of …

Omnidirectional video (ODV) represents one of the latest and most promising trends in
immersive media. The success of ODV depends on the ability to deliver high-quality ODV to …