Augmented Reality

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Augmented Reality

  1. 1. Augmented Reality GuideSachin D Harish . G1RV09CS410 Assistant ProfessorVIII Sem Dept. CS & E, RVCEDept. CS & E, RVCE
  2. 2. Agenda Introduction Augmented Vs Virtual Reality AR System AR Applications AR in Archeological Sites Sneak Peak References Dept. of CSE, RVCE 2
  3. 3. Augmented Reality ?? Augmented reality (AR) is a live, direct orindirect, view of a physical, real-world environment whoseelements are augmented by computer-generated sensory inputsuch as sound, video, graphics or GPS data . AR has been defined as combining real and computer-generated digital information into the user’s view of thephysical and interactive real world . Dept. of CSE, RVCE 3
  4. 4. Chronicles of Augmented Reality1962: Morton Heilig creates Sensorama1966: Ivan Sutherland invents the head-mounted display1975: Myron Krueger creates Videoplace1990: Tom Caudell coins the phrase Augmented Reality2005: Camera system developed that can analyze physical environments in real time2008: AR apps make an entry in Smartphone market * Source : pbworks.com and pocket-lint.com Dept. of CSE, RVCE 4
  5. 5. VR-AR Continuum** Photo Courtesy : wikipedia.org Dept. of CSE, RVCE 5
  6. 6. Augmented Reality vs Virtual Realityi. Definitionii. Difference in Immersioniii. Complexity Issues** Photo Courtesy : USC Dept. of CSE, RVCE 6
  7. 7. Augmented Reality System – Hardware  Display i) Head Mounted Display ii) Hand Held Displays  Sensors i) MEMS Sensors ii) Optical Sensors iii) GPS  Input Devices i) Pinch Glove ii) Smart phone  Processor Dept. of CSE, RVCE 7
  8. 8. Augmented Reality System - Software  Image Registration i) Video Tracking ii) Feature Detection iii) Restores real world coordinate system  Image Rendering Dept. of CSE, RVCE 8
  9. 9. Merits and DemeritsMeritsi) User Excitementii) Integration with static subjectiii) Reasonable Hardware Costiv) AR promotes active interactionDe-Meritsi) Privacyii) Accuracy & Reliability Dept. of CSE, RVCE 9
  10. 10. Augmented Reality Applications - I Sixth Sense Components involved • Camera • Small projector • Smartphone • Mirror** Photo Courtesy : Pranav Mistry, MIT Media Lab Dept. of CSE, RVCE 10
  11. 11. Augmented Reality Applications II Layar** Photo Courtesy : www.Layar.com Dept. of CSE, RVCE 11
  12. 12. Augmented Reality Applications IIIEntertainment  Weather report  Virtual studio  Movie special effect  Advertisement** Photo Courtesy : USC Dept. of CSE, RVCE 12
  13. 13. Augmented Reality Applications IVAR in Industrial Applications** Photo Courtesy : ISMAR 2008. 7th IEEE/ACM International Symposium Dept. of CSE, RVCE 13
  14. 14. Augmented Reality in Archeological Sites Resurrecting the ruins** Photo Courtes: eoindia.org Dept. of CSE, RVCE 14
  15. 15. Motivation Rich archeological remains, dating back to several thousand years Benefits Country’s culture and Heritage Existing archaeology should not be disturbed Source of Revenue Enhances users perception of interaction with real world Dept. of CSE, RVCE 15
  16. 16. Prior Art •Audio and Video CDs •Virtual tour through websites and CD-ROMS •Interactive Information Kiosks •Audio guided toursDrawbacksi) Lack of Intelligenceii) User friendlinessiii) Fails to provide accurate navigation Dept. of CSE, RVCE 16
  17. 17. AR Tools  Google sketch up  FLAR TOOL KIT  D’Fusion Studio – Total Immersion  Handy AR  Virtual Reality Modeling Language Dept. of CSE, RVCE 17
  18. 18. System Design Issues1. Frame Rate2. Update Rate3. System Delays i) Computational ii) Sensor4. Sensor Sensitivity5. Accuracy Dept. of CSE, RVCE 18
  19. 19. Sneak Peak Site preparation System Architecture Configuring Server and Clients Image Tracking algorithm Communication Systems Detecting Position and Orientation Rendering Dept. of CSE, RVCE 19
  20. 20. ReferencesInteractive Mobile Augmented Reality , Moon-Sub Jin ; Jong-Il Park ; VRInnovation, 2011 IEEE International Symposium on 19-20 march 2011The Feasibility of Augmented Reality on Virtual Tourism Website, Chouyin Hsu ; Ubi-Media Computing (U-Media), 4th InternationalConference on 3-4 July 2011Online user survey on current mobile augmented reality applicationsOlsson, Thomas ; Salo, Markus ; ISMAR 2011 , 26-29 oct 2011Kevin Bonsor, http://www.howstuffworks.com/augmented-reality.htmChronicles of AR, http://augreality.pbworks.com/Augmented vs Virtual reality http://techcrunch.com/2010/01/06/ Dept. of CSE, RVCE 20
  21. 21. Questions Dept. of CSE, RVCE 21
  22. 22. Thank you Dept. of CSE, RVCE 22
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