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AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
AugmentedReality_Chris Baker.ppt
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AugmentedReality_Chris Baker.ppt

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Transcript

  • 1. Augmented Reality Chris Baker Comp 4640
  • 2. What is Augmented Reality?
    • Augmented reality ( AR ) is a field of computer research which deals with the combination of real-world and computer-generated data.
    • Most of the AR research is currently concerned with the use of video imagery which is digitally processed and augmented by adding computer-generated graphics.
  • 3. What is AR? (cont.)
    • Ronald Azuma defines an augmented reality system as one that:
      • Combines real and virtual world aspects
      • Is interactive in real-time
      • Is registered in three dimensions
  • 4. Augmented vs. Virtual Reality
    • One of the identifying marks of a virtual reality system is the head mounted display worn by users.
    • These displays block out all the external world and present to the wearer a view that is under the complete control of the computer.
    • In Augmented Reality, the user must still be aware that he or she is present in the “real world.”
  • 5. How does AR Work?
    • The basic idea of augmented reality is to superimpose graphics, audio and other sense enhancements over a real-world environment in real-time.
    • The graphics will then change to accommodate the user’s eye or head movements.
    Simulated augmented reality medical image
  • 6. What is needed?
    • There are three components needed in order to make an augmented-reality system work:
      • Head-mounted display
      • Tracking system
      • Mobile computing power
  • 7. Current Uses of AR
    • Yellow first down line used on TV broadcasts of football games:
      • Real world elements: football field and players
      • Virtual element: the yellow line drawn over the image by computers in real-time
  • 8. Current Uses of AR
    • HUD (Head Up Display):
      • Used in commercial aircraft, automobiles, and other applications
      • Presents data without requiring the user to look away from his or her usual viewpoint
  • 9. LifeClipper
    • LifeClipper is a wearable AR system being used in Switzerland.
    • When walking around a chosen culturally interesting area, the user will feel as though they are watching a film.
  • 10. Wikitude – AR Travel Guide
    • Mobile travel guide for the Android platform (open source OS for cell phones).
    • Plan a trip or find about current surroundings in real-time.
  • 11. Future of AR
    • Military :
      • The Office of Naval Research has sponsored AR research
      • AR system could provide troops with vital information about their surroundings.
    • Medical :
      • Superimpose an image from an MRI onto a patient’s body.
      • This might allow surgeons to pinpoint a tumor to remove.
    • Education :
      • Used in labs where students can learn more about the experiments they are participating in.
  • 12. Future of AR
    • Gaming :
      • ARQuake is an AR version of the popular game Quake.
        • 1 st person shooter that allows the user to run around in the real world while playing a game in the computer generated world.
        • Uses GPS, a hybrid magnetic and interial orientation sensor, gun controller, and a standard laptop carried in a backpack.
  • 13. Why continue research in AR?
    • AR systems will instantly recognize what someone is looking at, and retrieve and display the data related to that view.
    • There are hundreds of potential applications for such a technology, gaming and entertainment being the most obvious ones.
    • Any system that gives people instant information, requiring no research on their part, is bound to be a valuable to anyone in any field.

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