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Augmented reality The future of computing


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This is a PPT on Developing Augmented Reality this field is rapidly developing around the world. this ppt describes the entire meaning of the word augmented reality and what it is made up off and the working of this devices.

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Augmented reality The future of computing

  1. 1. Visvesvaraya Technological University Jnana Sangama, Belgaum, Karnataka SEMINAR ON I-FI
  2. 2. Reality Reinvented
  3. 3.  Introduction  Augmented reality ◦ Augmented reality system ◦ Augmenting our world ◦ Example – Wikitude ◦ Example-Google glass  Implementation  Components of AR system Head mounted display Tracking & orientation Global positioning system
  4. 4. Differential GPS Digital compass Mobile computing  Using Augmented reality  Limitations  Looking into future..  Conclusion  References
  5. 5. • Augmented Reality is a field of computer research which deals with combination of reality with computer generated data. • It is still in an early stage of research and development, possibly by the end of this decade, we will see the first mass-marketed augmented-reality system.
  6. 6. Augmented Reality System An augmented reality system is one that Combines real and virtual world Is interactive in real time Is registered in 3D.
  7. 7.    Augmented reality will truly change the way we view the world. Picture yourself walking or driving down the street with informative graphics appearing in your field of view, and audio will coincide with whatever you see. These enhancements will be refreshed continually to reflect the movements of your head.
  8. 8.  WIKITUDE World Browser presents the user with data about their surroundings, nearby landmarks, and other points of interest by overlaying information on the real-time camera view of a smartphone.
  9. 9. • Google Glass is a wearable computer with a head-mounted display (HMD) that is being developed by Google in the Project Glass research and development project. • Google Glass displays information in a Smartphone-like format hands-free , can interact with the Internet via natural language voice commands.
  10. 10. To implement there are four things that we require to do  First, find users location  Second find users orientation (view)  Third generating information  Fourth augmenting it to users view Find user’s location Find user’s orientation (view) Generate data Augment generated data to user’s view
  11. 11. Components Here are the three components needed to make an augmented-reality system work: Display Tracking system Mobile computing power
  12. 12.     Just as monitors allow us to see text and graphics generated by computers, headmounted displays (HMDs) will enable us to view graphics and text created by augmented-reality systems. There are two basic types of HMDS: video see-through optical see-through
  13. 13. ◦ They block out the wearer's surrounding environment, using small video cameras attached to the outside of the goggles to capture images. ◦ On the inside of the display, the video image is played in real-time and the graphics are superimposed on the video.
  14. 14. Optical see through is not fully realized yet. It is supposed to consist of ordinary looking pair of glasses that will have light source on the side to project images onto the retina.
  15. 15. Fig:- Head mounted display
  16. 16.   The biggest challenge facing developers of augmented reality is the need to know where the user is located in reference to his or her surroundings. There's also the additional problem of tracking the movement of users' eyes and heads.
  17. 17. 1.Where the user is located 2.Where he is looking
  18. 18.   Currently, the best tracking technology available for large open areas is the Global Positioning System. However, GPS receivers have an accuracy of about 10 to 30 meters, which is not bad in the grand scheme of things, but isn't good enough for augmented reality, which needs accuracy measured in millimeters or smaller. GPS Network
  19. 19.    There are ways to increase tracking accuracy. For instance, the military uses multiple GPS signals. There is also differential GPS, which involves using an area that has already been surveyed.
  20. 20.   A digital compass consists of sensors to measure the earth's magnetic field, some conditioning of those sensor signals, and a microcontroller to interpret the data Components ◦ Three magnetic sensors ◦ One tilt sensor
  21. 21. Wearable computers  Mobile computing can be accomplished with help of wearable computers  A wearable computer is a battery powered computer system worn on the user’s body(belt, backpack etc).  It is designed for mobile & predominantly hands free operations often incorporating head mounted display & speech input.
  22. 22. Once researchers overcome the challenges that face them, augmented reality will likely pervade every corner of our lives. It has the potential to be used in almost every industry, including:  Education In an Augmented Reality interface students can be seated around a table and see each other at the same time as a virtual heart floating in their midst.
  23. 23.   Military - In military an augmented-reality system could provide troops with vital information about their surroundings, such as showing where entrances are on the opposite end of a building, somewhat like X-ray vision. Augmented reality displays could also highlight troop movements, and give soldiers the ability to move to where the enemy can't see them.
  24. 24.    Instant information -Tourists and students could use these systems to learn more about a certain historical event. Imagine walking onto a Civil War battlefield and seeing a re-creation of historical events on a head-mounted, augmented-reality display. Gaming – The video games played on the desktop can be taken outside. The game could be projected onto the real world around you, and you could, literally, be in it as one of the characters.
  25. 25.  Accurate tracking and orientation  For wearable augmented reality system, there are still not enough computing power to create stereo 3D graphics  The size of AR systems is yet another problem.
  26. 26.    Expanding a PC screen to real environment..program windows & icons appear as virtual devices in real space & are eye or gesture operated, by gazing or pointing. Enhanced media application ,like pseudo holographic virtual screens, virtual surround cinema. Replacement of cell phones: eye dialing, insertion of information directly into environment.
  27. 27.  Augmented reality will further blur the line between what's real and what's computer-generated by enhancing what we see, hear, feel and smell.
  28. 28.    