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WHAT IS VIRTUAL REALITY
▸ A computer generated
world with which user can
interact is called Virtual
Environment.
▸ This interaction can vary
from looking around to
interactively modifying the
world.
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THE DEFINITION
▸A computer
generated
immersive or wide
field multi sensory
information which
tracks user In real
time.
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TYPES OF VIRTUAL REALITY
▸ There are following types of
virtual reality.
▸ Immersive
▸ Window on world
▸ TelePresence
▸ Mixed Reality
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IMMERSIVE VIRTUAL REALITY
▸ The Immersive Virtual Reality
System completely involve the
users personal viewpoint in the
virtual world Like a person
experiencing cave scene
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HMD HEAD MOUNTED DISPLAY
▸ This is a helmet or face mask
that holds the visual and
auditory displays.
▸ In immersive system a large
projection displays are used to
create a virtual background such
as room or cave.
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WINDOW ON WORLD VIRTUAL REALITY
▸ Some systems uses conventional
computer monitor to display
visual world. This sometimes
called Desktop Virtual reality or
Window on World (WoW)
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TELE PRESENCE VIRTUAL REALITY
▸ Telepresence is variation to
visualise complete computer
generated world.
▸ This is a technology which links the
remote sensors with the senses of
human operator in real world.
▸ Fire fighters uses remote
controlled vehicles to operate
some dangerous conditions. This
vehicles are equipped with
Telepresence systems.
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MIXED VIRTUAL REALITY
▸ Merging the Telepresence and Virtual
reality systems gives the mixed virtual
reality or seamless simulation.
▸ A fighter pilot can see computer
generated maps and scenes data
displays in there fancy HMD that is
Helmet visor or cockpit displays.
▸ In this type of virtual reality user can
see, Hear virtual world and can
operate that world by using
Telepresence.
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VIRTUAL REALITY HARDWARE
▸ There are multiple specialized
types of Hardware devices that
has been developed or used for
virtual reality applications.
▸ VR Hardware
Image Generators
Manipulation & control devices
Stereo Vision
Head mounted Displays
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IMAGE GENERATORS
▸ One of the most time consuming task in
Virtual Reality is generation of images.
▸ Fast computer graphics opens a large
range of applications aside from virtual
reality.
▸ So there is a market demand for graphic
acceleration for long while.
▸ There are number of vendors selling
image generator cards for PC level
machines which ranges from $2000 to
$10000
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MANIPULATION & CONTROL DEVICES
▸ One key element for interaction to the
virtual world that is tracking the position
of real world objects such as head or
hand.
▸ The conventional control devices are
mouse, trackball, or joystick
▸ Some common used VR control device is
Instrumented Glove.
▸ The use of Glove is to manipulate objects
in the computer by using inbuilt sensors
which fitted on fingers for tracking.
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STEREO VISION
▸ Stereo vision is also included in virtual
reality system.
▸ This is accomplished by creating two
different images of the world one for
each eye.
▸ The images can projected through
differently polarized filters this filters are
placed in front of our eyes.
▸ When this images are shown on this
vision in rapid speed then brain fuses
this two images in a single image & can
get 3d experience.
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VR HEAD MOUNTED DISPLAYS (HMD)
▸ A head-mounted display (or helmet-
mounted display, for aviation
applications), both abbreviated HMD, is
a display device, worn on the head or
as part of a helmet, that has a small
display optic in front of one (monocular
HMD) or each eye (binocular HMD).
▸ There is also an optical head-mounted
display (OHMD), which is a wearable
display that has the capability of
reflecting projected images as well as
allowing the user to see through it.
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APPLICATIONS OF VIRTUAL REALITY
▸ Architecture
▸ Medicine
▸ Engineering & Design
▸ Training
▸ Manufacturing
▸ Entertainment
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ARCHITECTURE
▸ For many years virtual reality has
been used to establish models
of architectural models and
buildings before construction
begins.
▸ It can also be used to reconstruct
building which is collapsed or
damaged or to determine how
this happened & the steps
needed prevent the situation in
the future.
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MEDICAL
▸ The medical field uses virtual
reality in many ways.
▸ The most common implementation
of the technology is to combine
images provided by other scans
and merge them to present the
details, using medical imaging
technology
▸ This helps doctors diagnose
problems without performing
surgery.
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ENGINEERING & DESIGN
▸ This lathe is used to train
apprentices.
▸ Unlimited free material
and no clean up!
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TRAINING FIELD
▸ United states uses VR as
flight simulator to train
pilots. With VR training
huge saving of fuel,
electricity, wear & tear
could be effected.
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VIRTUAL REALITY CINEMA
▸ If you’re following the news, it’s
hard to imagine you haven’t heard
anything about virtual reality
lately. Experts already named
2016 the year of virtual reality. The
technique was first adopted by
gaming fans but now many more
industries are embracing virtual
reality. Still VR is not accessible for
everybody and a lot of people are
new to this experience. The VR
Cinema is here to change all that.
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BETA TESTING
▸ The VR Cinema is a concept by
&samhoud media that originated
in the form of Europe’s first virtual
reality pop-up cinema which
toured through several big cities
in The Netherlands, Germany,
Switzerland and now settles in
Amsterdam. After the grand
opening in the Dutch capital cities
like Madrid, Berlin, Paris and
London will be in for their very
own VR Cinema some time soon.
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WHY VIRTUAL REALITY CINEMA
▸ Going to the movies gets a whole
new dimension in The VR Cinema.
It offers you the opportunity to
watch movies like you’ve
(probably) never done before. For
one, crisping bags of chips, ringing
mobile phones and noisy visitors
belong to the past. Furthermore,
there are no traditional red cinema
chairs and also the big white
screen is nowhere to be seen. So
what do you get?
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VIRTUAL REALITY GEARS FOR VR CINEMA
▸ VR Head Sets
▸ 360 Degrees Chairs
▸ Stereo Headphones
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VR HEAD SETS
▸First of all: a Samsung Galaxy S6 that, in
combination with the Samsung Gear VR,
transports you to an whole other world. A
world that was inaccessible a few moments
before. The Samsung Gear VR is without a
doubt one of the very best virtual reality
glasses there are. The Samsung Gear VR is a
light-weight portable virtual reality headset,
so there is no hassle with cords or wires.
Also, the Gear VR is easy to put on or off and
the straps on the side make it simple to
adjust them to the right size. On top of the
Gear VR is a turning wheel, which allows you
to adjust focus. That makes the VR-headset
suitable for people with glasses as well.
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360 DEGREES CHAIRS
▸ Because of the immersive
nature of the VR-movies the
characteristic red cinema chairs
have been replaced by custom
made turning chairs. This allows
you to freely look around and
see what’s happening above,
below, behind, in front, on the
right and on the left side of you.
So no sore neck, we promise.
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HEADPHONES
▸More and more virtual reality
movies do not only contain 360
degrees images, but also sound
that in a way moves in the same
direction as your head. This adds a
special dimension to the virtual
experience. During the show
everybody gets his own Sennheiser
HD 201 headphones. These
headphones are light-weighted,
adjustable, comfortable and above
all, offer excellent sound quality.
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VR BASED GAMES
▸ VR based games are developed on
gaming engines like Unity or Unreal
Engine.
▸ The games are first modelled and
animated on 3D applications by
keeping 360 look and feel in the
environment, and then coded in the
gaming engines.
▸ Unity provide Google Cardboard SDK
support, and many phone based VR
games are currently under
development in Unity.
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VR FILMS & GEARS
▸Unlike gaming, the VR
cinema relies more on the
hardware such as VR
cameras and 3D sound
recorders.
▸You can view the films on
HMDs like Oculus Rift, or
on Mobile Phones through
VR Headsets.
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PRE - CAUTIONS
▸ Unlike commercial films,
the crew cannot be in the
picture.
▸ Lights have to be
carefully hidden.
▸ The audio recording
equipment have to be
camaflauged.
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HOW TO SPICE UP YOUR VR FILMS
▸ Interactivity.
▸ 3D Audio.
▸ Including the
Viewer as one of
the Actor.
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APPLICATIONS
▸ UNITY
▸ FullDive Camera (Android)
▸ Cardboard Camera (Android)
▸ Video Stitch (Windows|Mac)
▸ 360cam (iOS|Android)