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Comparing Spatial AR to Passthrough Headset AR in a Real Virtual Heritage Experience.
IEEE Transactions on Visualization and Computer Graphics
|April 1, 2026
Summary
Spatial Augmented Reality (SAR) using the AR Magic Lantern (ARML) enhances awareness of physical heritage sites and encourages social interaction, unlike headset-based AR which can isolate users and create a task-oriented mindset.
Area of Science:
- Human-Computer Interaction
- Virtual Heritage
- Augmented Reality Technologies
Background:
- Portable Augmented Reality (AR) experiences are increasingly feasible, comparable to smartphones and headsets.
- Spatial Augmented Reality (SAR) via the AR Magic Lantern (ARML) offers a novel projective approach.
- Heritage site managers seek AR solutions that blend physical and digital information without hindering visitor awareness.
Purpose of the Study:
- To compare user experience between SAR (ARML) and passthrough headset-AR (Meta Quest 3) in a virtual heritage application.
- To evaluate the impact of each AR technology on awareness of the physical heritage site.
- To assess the social and cognitive effects of SAR versus headset-AR on user experience.
Main Methods:
- A comparative user study was conducted in a real virtual heritage application.
- Two AR technologies were evaluated: Spatial Augmented Reality (SAR) using AR Magic Lantern (ARML) and passthrough headset-AR using Meta Quest 3.
- User experience metrics focused on physical site awareness, social interaction, and cognitive mindset.
Main Results:
- SAR (ARML) resulted in higher awareness of the physical heritage site compared to headset-AR.
- SAR spontaneously facilitated social experience exchange among users, whereas headset-AR tended to isolate individuals.
- Headset-AR induced a task-oriented mindset, while SAR better contextualized the experience within the physical environment.
Conclusions:
- Spatial Augmented Reality (SAR) with the AR Magic Lantern (ARML) offers a superior user experience for heritage applications, promoting physical site awareness and social engagement.
- SAR provides a more integrated and contextualized experience, aligning better with heritage site goals than isolating headset-based AR.
- The ARML's projective SAR approach demonstrates potential for enhancing shared, context-aware augmented reality experiences in cultural heritage.
