Towards a Common Language for Immersive Experiences: a Cross-Sector Exploration of Concepts and Measurement
How are IX effects measured? And do different sectors actually mean the same thing when they use IX concepts and measurement methods? These questions evolve alongside developments in the IX field. For Zuyd University of Applied Sciences, this is reason to critically re-examine the perception of existing concepts and methods, together with other research groups and IX creators from the creative industry.
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The Good, the Bad, and the Ugly: Exploring the Potential of VR for Decolonial Storytelling
A key focus of the CIIIC stimulus programme is public values. How do we ensure that IX applications are developed, applied and used responsibly? This theme runs as a common thread through all funded projects. The project by Inholland University of Applied Sciences (with, among others, the Nationaal Archief and the Koninklijke Bibliotheek) even focuses entirely on public values. Central to it is the question of how scriptwriters can responsibly develop cinematographic VR narratives about colonial histories and their repercussions in present-day society.
GausScape: Evaluating 3D Gaussian Splatting for Spatial Understanding in Greenhouse Environments
In greenhouse horticulture, operators have to monitor optimal growing conditions for crops. Together with two SMEs, Wageningen University & Research (WUR) focuses on the question: what desirable and undesirable effects does a specific 3D technique (Gaussian Splatting) have on operators' work process, perception and decision-making, as opposed to the current technique? In addition, the insights from this research may be relevant to other sectors.
Responsible Immersive Support for Firefighter Retreat under Unreliable Spatial and Communication Information
Firefighters retreating from a building work under extreme time pressure, poor visibility and high mental load - precisely when positioning and communication can become unreliable. The University of Twente is investigating how immersive systems can make that uncertainty visible and understandable, so that digital cues support decision-making without creating false certainty or placing an extra burden on users.
ImmersiveValidMovement: Validatie van consumenten-XR voor verantwoorde fysiotherapie oefeningen
In physiotherapy, there is a wish to use immersive experiences (IX) such as XR serious games both to motivate patients and to help them perform exercises correctly. To this end, VerseUS Games has developed XR exercise formats that use the built-in sensors of consumer XR headsets (such as Meta Quest and Pico) to record patients' movements. However, it is unclear to what extent these data are reliable and valid enough to assess clinically relevant joint angles, particularly in patients with complex shoulder complaints. ImmersiveValidMovement therefore focuses primarily on "new methodological approaches to measuring usability and effectiveness of IX". We develop and validate methods to derive movements of the head, neck, shoulder and elbow from XR sensor data (headset and hand controllers) and to assess their reliability. We do not develop new IX software or hardware, but work with existing VerseUS games and consumer XR headsets. The emphasis is on measurement methods, analysis techniques and responsible use. In work package 1 (the first three months) we carry out the preparatory work. Together with physiotherapists (FlevoFysiotherapie) we specify which joint angles and variables matter for correctly performing the prescribed exercise (position, speed, acceleration; in a global coordinate system and/or relative to body segments). VerseUS Games provides the XR environment and does the technical work to export the data collection from the headset in time-synchronised form. UMCG provides the research protocol, arranges ethical approval and has the research labs required to conduct the study. In work package 2 we then carry out the validation study, in which the XR measurements are compared with the gold standard (for example Vicon or Optotrak) available at UMCG. Reliability and validity are determined using, among other things, ICC, Bland-Altman plots, correlations and RMSE. Based on this research, UMCG will deliver a report on the validity and reliability of the VerseUS XR exercises as measured by the sensors in the commercial headsets. This provides the basis for further development.