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Related Experiment Video

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Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

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What is Diminished Virtuality? A Directional and Layer-Based Taxonomy for the Reality-Virtuality Continuum.

Jan Egger^1,2,3, Christina Gsaxner^1,4,5, Jens Kleesiek^3,6,7

¹Institute of Computer Graphics and Vision Graz University of Technology Graz Austria.

JMIR XR and Spatial Computing

|December 4, 2025

Summary

This study updates the reality-virtuality (RV) continuum concept, emphasizing diminished reality alongside augmented reality. It introduces a new taxonomy for extended reality (XR) to improve understanding and application development.

Keywords:

Apple Vision Pro VR XR augmented reality classification classifications concept concepts conceptual diminished virtuality extended reality mixed reality reality-virtuality reality-virtuality continuum taxonomy virtual reality

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Area of Science:

Computer Science
Human-Computer Interaction
Virtual Reality

Background:

The reality-virtuality (RV) continuum, introduced in 1994, describes the spectrum from physical reality to virtual reality.
Current models often focus on augmentation, overlooking the aspect of diminishing reality.

Purpose of the Study:

To propose a modification of the RV continuum that emphasizes diminished reality.
To introduce a more sophisticated, directional, and layer-based taxonomy for the RV continuum.
To aid understanding of extended reality (XR) and guide hardware/software decisions for diminished reality applications.

Main Methods:

Conceptual modification of the existing RV continuum model.
Development of a new directional and layer-based taxonomy for RV experiences.
Analysis of diminished reality's role within the extended reality spectrum.

Main Results:

A proposed updated RV continuum model that prominently features diminished reality.
A novel, sophisticated taxonomy for classifying RV experiences beyond mediated realities.
Initiation of discussion on the endpoint of the RV continuum concerning physical reality.

Conclusions:

The proposed modifications enhance the understanding of the RV continuum and the broader extended reality (XR) landscape.
The new taxonomy offers a more nuanced approach to classifying mixed reality experiences.
Further research is needed to explore the implications of diminished reality and the boundaries of the RV continuum.