An Augmented Reality System for the Treatment of Acrophobia: The sense of presence using immersive photography Juan, M.C., Baños, R., Botella, C., Pérez, D., Alcañiz, M., Monserrat, C. Presenter: D 林敬棋

Motivation Treatment of phobia ◦ Vivo exposure ◦ VR Augmented Reality(AR) ◦ Superimpose virtual elements in real scene. ◦ Less costly compares to VR. ◦ Participants of treatment can see their own body.

Creation of Immersive Photographs For each position ◦ Take 180° photograph ◦ 360 ° photograph = 180 ° photograph ° transparent white image

Example of Immersive Environment Virtual Reality

Experiment Test the efficacy of immersive photography to induce sense of presence in user. 41 participants (28 males and 13 females) ◦ Without acrophobia. Two environments ◦ Real ◦ Immersive photography: AR system with HMD.

Results SUS questionnaire after 7 minutes in an environment. ◦ Six questions, scores between 1(not at all) to 7(very much)

Conclusion This paper presents an AR system that aims at treating acrophobia. The SUS results shows that immersive photography provokes a high level of presence in users, although not as optimally as the real world.