Virtual reality uses computer technology to create simulated environments that immerse users. It has applications in training, education, gaming and more. There are different types including immersive VR which fully immerses users through head-mounted displays. VR requires hardware like displays and tracking systems as well as software to generate 3D environments. While promising benefits, VR also faces challenges around user experience, affordability and size of systems.

2.  What is virtual reality?
 History
 Types of virtual reality?
 Hardware used in virtual reality?
 Application of virtual reality?
 Advantages or disadvantages

3.  Virtual reality means feeling the
imaginary(virtual)world.
 Virtual reality is the term used for computer
generated 3D environment that allow the user
to enter and interact with altemete realistic.
 The definition of ‘virtual is near and ‘reality’ is
what we experience as human being.

4.  In 1950s, flight simulators were built by US Air
Force to train student pilots.
 In 1965, a research program for computer
graphics called “The Ultimate Display” was laid
out.
 In 1988, commercial development of VR
began.
 In 1991, first commercial entertainment VR
system "Virtuality" was released.

5. Virtual reality is need because complex scenarios cause
serious issues. Like complex brain surgery, Flying
aircraft tanning etc.For these kind of dangerous
scenarios simulated environment is created to
overcome the loss jand and also create less cost as
compare to original.
Types of Virtual Reality
 Immersive Virtual Reality
 Non-Immersive Virtual Reality
 Window to window Virtual Reality

6. Immersive Virtual Reality:
 Immersive virtual reality is
a perception of being
physically present in a non
physical world.
 Completely immerse the user's
personal viewpoint inside the
virtual 3D world.
 The user has no visual contact
with the physical word.
 Often equipped with a Head
Mounted Display (HMD).

8. Windows on World(WoW)
Desktop based
virtual memory
involves displaying a
3 dimensional virtual
or regular desktop
display without use
of any specialized
movement tracking
environment

9. INPUT DEVICE OUTPUT DEVICES

10.  Virtual reality in the military
 Virtual reality in the health care
 Virtual reality and education
 Scientific visualization
 Virtual reality in entertainment
 Engineering and designee
 Tranning
 E Commerance

12.  As Virtual Reality software becomes more
powerful and its hardware more sophisticated, not
to mention more affordable, there will be a number
of challenges that the industry must face head-on.
 But the focus should remain on the positive
contributions this technology can make to society.
From better healthcare training and education, to
active rather than sedentary gaming, there are a
number of clear benefits to embracing the exciting
developments being made in the world of VR.

13.  A combination of real scene viewed by a user and
a virtual scene generated by computer that
augments the scene with additional information
 Augmented reality (AR) is a t reality-based display
environment that takes the capabilities of
computer generated display, sound, text and
effects to enhance the user's real-world experience.
 Augmented reality is technology that combines
virtual reality with the real world in the form of
live video imagery that is digitally enhanced with
computer-generated graphics.

14.  To enhance the persons performance and
perception of the world
 Create a system such that user can not tell the
difference between the real world and
augmentation of it

15.  Pick a real world scene
 Add your virtual objects in it
 Delete real world object
 Not virtual reality since environment real

17.  There are three component needed to make
augmented reality system work
 Display
 Tracking system
 Mobile computing power

18. Display
Eye Glasses
Eye wear the employs
cameras to intercept
the real world view
and re-display
Head mounted
display
Just as monitors allow
to see text and graphic
generated by
computer(HMD) will
enable us to view
graphic and text
created by augmented
reality system

19.  Video see through Display
They block out of the wearer surrounding
environment using small video cameras
attached to the outside of the googles to the
capture images
 Optimal see through Display
 It is supposed to consist of ordinary looking
pair of glasses that will have light source on the
side to project images on to the ratina

20.  Education
 Medical Field
 Military
 Instant information
 Gamming

21.  Accurate tracking and orientation
 For wearable augmented reality system, there
are still enough computing power to create
stereo 3D graphics
 The size of AR systems is yet another problem.

22.  Replacement of cell phones: eye dialing,
insertion of information directly into
environment.
 Virtual conferences in "holodeck" style .
 Examples might be a virtual wall clock, a to-do
list for the day docked by your bed for you to
look at first thing in the morning, etc.