Christian Timmerer

QUALINET announces its recent White Paper on Definitions of Immersive Media Experience (IMEx)


With the coming of age of virtual/augmented reality and interactive media, numerous definitions, frameworks, and models of immersion have emerged across different fields ranging from computer graphics to literary works. Immersion is oftentimes used interchangeably with presence as both concepts are closely related. However, there are noticeable interdisciplinary differences regarding definitions, scope, and constituents that are required to be addressed so that a coherent understanding of the concepts can be achieved. Such consensus is vital for paving the directionality of the future of immersive media experiences (IMEx) and all related matters.

The aim of this white paper is to provide a survey of definitions of immersion and presence which leads to a definition of immersive media experience (IMEx). The Quality of Experience (QoE) for immersive media is described by establishing a relationship between the concepts of QoE and IMEx followed by application areas of immersive media experience. Influencing factors on immersive media experience are elaborated as well as the assessment of immersive media experience. Finally, standardization activities related to IMEx are highlighted and the white paper is concluded with an outlook related to future developments.

This White Paper is a contribution by QUALINET, the European Network on Quality of Experience in Multimedia Systems and Services ( to the discussions related to Immersive Media Experience (IMEx). It is motivated by the need for definitions around this term to foster a deeper understanding of ideas and concepts originating from multidisciplinary groups but with a joint interest in multimedia experiences. Thus, this white paper has been created mainly with such multimedia experiences in mind but may be also used beyond.

The QUALINET community aims at extending the notion of network-centric Quality of Service (QoS) in multimedia systems, by relying on the concept of Quality of Experience (QoE). The main scientific objective is the development of methodologies for subjective and objective quality metrics taking into account current and new trends in multimedia communication systems as witnessed by the appearance of new types of content and interactions. QUALINET (2010-2014 as COST Action IC1003) meets once a year collocated with QoMEX ( to coordinate its activities around 4 Working Groups (WGs): (i) research, (ii) standardization, (iii) training, and (iv) innovation.

List of Authors and Contributors
Andrew Perkis (, editor), Christian Timmerer (, editor), Sabina Baraković, Jasmina Baraković Husić, Søren Bech, Sebastian Bosse, Jean Botev, Kjell Brunnström, Luis Cruz, Katrien De Moor, Andrea de Polo Saibanti, Wouter Durnez, Sebastian Egger-Lampl, Ulrich Engelke, Tiago H. Falk, Asim Hameed, Andrew Hines, Tanja Kojic, Dragan Kukolj, Eirini Liotou, Dragorad Milovanovic, Sebastian Möller, Niall Murray, Babak Naderi, Manuela Pereira, Stuart Perry, Antonio Pinheiro, Andres Pinilla, Alexander Raake, Sarvesh Rajesh Agrawal, Ulrich Reiter, Rafael Rodrigues, Raimund Schatz, Peter Schelkens, Steven Schmidt, Saeed Shafiee Sabet, Ashutosh Singla, Lea Skorin-Kapov, Mirko Suznjevic, Stefan Uhrig, Sara Vlahović, Jan-Niklas Voigt- Antons, Saman Zadtootaghaj.

How to reference this white paper
Perkis, A., Timmerer, C., et al., “QUALINET White Paper
on Definitions of Immersive Media Experience (IMEx)”, European Network on Quality of Experience in Multimedia Systems and Services, 14th QUALINET meeting (online), May 25, 2020.

Alternatively, you may export the citation from arXiv: