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  4. Coding gaze tracking data with chromatic gradients for VR exposure therapy
 
conference paper

Coding gaze tracking data with chromatic gradients for VR exposure therapy

Herbelin, Bruno  
•
Grillon, Helena
•
De Heras Ciechomski, Pablo
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2007
ICAT 2007
ICAT: 17th Conference on Artificial Reality and Telexistence

This article presents a simple and intuitive way to represent the eye-tracking data gathered during immersive virtual reality exposure therapy sessions. Eye-tracking technology can be used to observe gaze avoidance behaviors to provide cognitive and behavioral therapists with valuable information on the severity of a phobic disorder. However, basic eye-tracking systems only supply 2D gaze point coordinates on the recorded video images of the subject’s view. The use of eye-tracking during virtual reality sessions allows to directly associate the gaze behavior to the 3D environment. The gaze-map color coding presented here uses a color picking technique and a specific data representation which provides precise visual gaze information per 3D object. This article presents our technological solution and its relevance for therapeutic needs, as well as the experiments performed to demonstrate its usability in a medical context. Results show that the gaze-map technique is fully compatible with different VR exposure systems and provides clinically meaningful data.

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Type
conference paper
DOI
10.1109/ICAT.2007.21
Author(s)
Herbelin, Bruno  
Grillon, Helena
De Heras Ciechomski, Pablo
Thalmann, Daniel  
Date Issued

2007

Published in
ICAT 2007
Start page

7

End page

14

Subjects

Eye tracking

•

color picking

•

virtual humans

•

virtual reality

•

exposure therapy.

URL

URL

http://www.icat2007.org/
Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
VRLAB  
Event nameEvent placeEvent date
ICAT: 17th Conference on Artificial Reality and Telexistence

Esbejerg, Denmark

28-30 November 2007

Available on Infoscience
April 7, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/20336
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