Visualization learning for visually impaired people patrick salamin fr d ric vexo daniel thalmann
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Visualization Learning for Visually Impaired People Patrick Salamin, Frédéric Vexo, Daniel Thalmann Patrick Salamin, Ph. D. student VRLab/EPFL, Switzerland Introduction Motivation: Digital content on the WEB is for everyone

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Visualization learning for visually impaired people patrick salamin fr d ric vexo daniel thalmann l.jpg

Visualization Learning for Visually Impaired PeoplePatrick Salamin, Frédéric Vexo, Daniel Thalmann

Patrick Salamin, Ph. D. studentVRLab/EPFL, Switzerland


Introduction l.jpg
Introduction

  • Motivation:

    • Digital content on the WEB is for everyone

    • What about visually impaired people with 3D shapes (e.g. a human face)?

  • Constraints:

    • Patient have to be not born blind

    • System must be low-cost and mobilefor a large dissemination


Why 3d shapes and audio l.jpg
Why 3D shapes and audio?

  • 3D shapes

    • Crucial for the Education

  • Available modalities (haptic feedback)

    • Force feedback  corners problem, expensive

    • Tactile  good for surfaces, non-portable

    • Audio  good for volumes, not for surfaces

  • Our solution: the PDA

    • Audio and tactile screen combined

    • Low-cost and portable

http://www.societyofrobots.com/robot_arm_tutorial.shtml

http://pegasus.me.jhu.edu/~rwebster/index_files/projects/tactile.htm

http://www.mondotees.com/index.asp?PageAction=VIEWPROD&ProdID=2896


System description 1 l.jpg
System description 1

  • Digital content on the WEB

  • Extraction of semantic information from a 3D shape

  • Acquisition of the data through the Internet


System description 2 l.jpg
System description 2

  • Semantic rendering

  • Tests and results


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Conclusion

  • Efficiency

    • Clear understanding of the contours

    • Intuitive concept of continuous tonality variation to render the height

    • Efficient and promising application

  • Further works:

    • More complex shapes (e.g. human faces,and even… animations?)

    • Working with visually impaired people


That s all folks l.jpg
That’s all folks!

  • Thanks for your attention

  • Questions?


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