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Seminar On
Augmented
Reality
Guided By:
Asst.Prof. Rojalin Dash
Presented By:
Sourav Rout
 Introduction
 What is AR?
 History
 Augmented Reality vs. Virtual Reality
 How is it used?
 How does it work?
 Applications
 Implementation Framework
 Advantages
 Disadvantages
 Issues in Augmented Reality
 Conclusion
Index
 Augmented Reality (AR) is a growing area in virtual reality
research.
 The world environment around us provides a wealth of
information that is difficult to duplicate in a computer.
 This is evidenced by the worlds used in virtual
environments.
Introduction
 The process of
superimposing digitally
rendered images onto our
real-world surroundings,
giving a sense of an illusion
or virtual reality. Recent
developments have made this
technology accessible using a
Smartphone.
What is AR?
 The beginnings of AR, as we define it, date
back to Sutherland’s work in the 1960s,
which used a see-through HMD to present
3D graphics. However, only over the past
decade has there been enough work to refer
to AR as a research field.
 Louis Rosenberg developed one of the
first known AR systems, called Virtual
Fixtures.
 Since then, AR’s growth and progress have
been remarkable.
HISTORY
Augmented Reality
 System augments the real world scene
 User maintains a sense of presence in
real world
 Needs a mechanism to combine virtual
and real worlds
 Hard to register real and virtual
Virtual Reality
 Totally immersive environment
 Senses are under control of system
 Need a mechanism to feed virtual
world to user
 Hard to make VR world interesting
Augmented Reality vs. Virtual Reality
 Augmented reality is hidden content, most commonly
hidden behind marker images, that can be included in
printed and film media, as long as the marker is displayed
for a suitable length of time, in a steady position for an
application to identify and analyze it. Depending on the
content, the marker may have to remain visible.
How is it used?
 Using a mobile application, a mobile phone's camera
identifies and interprets a marker, often a black and white
barcode image.
 The software analyses the marker and creates a virtual
image overlay on the mobile phone's screen, tied to the
position of the camera.
 This means the app works with the camera to interpret the
angles and distance the mobile phone is away from the
marker.
How does it work?
Healthcare
Military Application
Main classes of applications:
 Medical
 Manufacturing and repair
 Annotation and visualization
 Robot path planning
 Entertainment
 Military aircraft
 Architecture
Applications
Hardware
To make the system to be as lightweight and comfortable as
possible, off-the-shelf hardware can be used to avoid the
expense, effort, and time involved in building our own.
Implementation Framework
 Software
Software infrastructure Coterie, a prototyping environment
that provided language-level support for distributed virtual
environments.
 Can increase knowledge and information
 People can share experiences with each other in real time over
long distances
 Games that provide an even more "real" experience
 Things come to life on people's mobile
 Form of escapism
Advantages of AR
 Spam and Security
 UX (User Experience): Using AR can be inappropriate in
social situations.
 Openness: Other people can develop their own layers of
content to display
Disadvantages of AR
 Performance Issues
Real time processing of images can be a challenge and often can slow
down augmented reality systems.
 Interaction Issues
Users within a mixed environment because of augmented reality have
difficulties interacting with the environment as normal.
 Alignment Issues
People working in an augmented reality are more sensitive to
alignment errors. Proper calibration and alignment with the reference
frame of the world is crucial.
Issues in Augmented Reality
 Augmented reality is another step further into the digital age
as we will soon see our environments change dynamically
either through a Smartphone, glasses, car windshields and
even windows in the near future to display enhanced content
and media right in front of us.
 This has amazing applications that can very well allow us to
live our lives more productively, more safely, and more
informatively.
CONCLUSION
Augmented reality ppt

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Augmented reality ppt

  • 1. Seminar On Augmented Reality Guided By: Asst.Prof. Rojalin Dash Presented By: Sourav Rout
  • 2.  Introduction  What is AR?  History  Augmented Reality vs. Virtual Reality  How is it used?  How does it work?  Applications  Implementation Framework  Advantages  Disadvantages  Issues in Augmented Reality  Conclusion Index
  • 3.  Augmented Reality (AR) is a growing area in virtual reality research.  The world environment around us provides a wealth of information that is difficult to duplicate in a computer.  This is evidenced by the worlds used in virtual environments. Introduction
  • 4.  The process of superimposing digitally rendered images onto our real-world surroundings, giving a sense of an illusion or virtual reality. Recent developments have made this technology accessible using a Smartphone. What is AR?
  • 5.  The beginnings of AR, as we define it, date back to Sutherland’s work in the 1960s, which used a see-through HMD to present 3D graphics. However, only over the past decade has there been enough work to refer to AR as a research field.  Louis Rosenberg developed one of the first known AR systems, called Virtual Fixtures.  Since then, AR’s growth and progress have been remarkable. HISTORY
  • 6. Augmented Reality  System augments the real world scene  User maintains a sense of presence in real world  Needs a mechanism to combine virtual and real worlds  Hard to register real and virtual Virtual Reality  Totally immersive environment  Senses are under control of system  Need a mechanism to feed virtual world to user  Hard to make VR world interesting Augmented Reality vs. Virtual Reality
  • 7.  Augmented reality is hidden content, most commonly hidden behind marker images, that can be included in printed and film media, as long as the marker is displayed for a suitable length of time, in a steady position for an application to identify and analyze it. Depending on the content, the marker may have to remain visible. How is it used?
  • 8.  Using a mobile application, a mobile phone's camera identifies and interprets a marker, often a black and white barcode image.  The software analyses the marker and creates a virtual image overlay on the mobile phone's screen, tied to the position of the camera.  This means the app works with the camera to interpret the angles and distance the mobile phone is away from the marker. How does it work?
  • 11. Main classes of applications:  Medical  Manufacturing and repair  Annotation and visualization  Robot path planning  Entertainment  Military aircraft  Architecture Applications
  • 12. Hardware To make the system to be as lightweight and comfortable as possible, off-the-shelf hardware can be used to avoid the expense, effort, and time involved in building our own. Implementation Framework  Software Software infrastructure Coterie, a prototyping environment that provided language-level support for distributed virtual environments.
  • 13.  Can increase knowledge and information  People can share experiences with each other in real time over long distances  Games that provide an even more "real" experience  Things come to life on people's mobile  Form of escapism Advantages of AR
  • 14.  Spam and Security  UX (User Experience): Using AR can be inappropriate in social situations.  Openness: Other people can develop their own layers of content to display Disadvantages of AR
  • 15.  Performance Issues Real time processing of images can be a challenge and often can slow down augmented reality systems.  Interaction Issues Users within a mixed environment because of augmented reality have difficulties interacting with the environment as normal.  Alignment Issues People working in an augmented reality are more sensitive to alignment errors. Proper calibration and alignment with the reference frame of the world is crucial. Issues in Augmented Reality
  • 16.  Augmented reality is another step further into the digital age as we will soon see our environments change dynamically either through a Smartphone, glasses, car windshields and even windows in the near future to display enhanced content and media right in front of us.  This has amazing applications that can very well allow us to live our lives more productively, more safely, and more informatively. CONCLUSION