Augmented Reality

Reality ReinveNTed
BY
NAME-NITIN GUPTA
SECTION- EC-III-B
ROLL NO-1516431133
2/22/2018 1nitingupta1054@gmail.com

nitingupta1054@gmail.com
Introduction
Augmented reality
 Augmented reality system
 Augmenting our world
 Example – Google glass
 Example-Google lens
Implementation
Components of AR system
 Head mounted display
 Tracking & orientation GPS
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Differential GPS
Digital compass
Mobile computing
Using Augmented Reality
Limitations
Looking into future..
Conclusion
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• 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.
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nitingupta1054@gmail.com 2/22/2018 5
Facebook F8 2018 Conference-Focus On Augmented Reality

An augmented reality system is
one that Combines real and
virtual world & it is interactive in
real time and registered in 3D.
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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.
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• 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.
2/22/2018 8

Google Lens
A Google Project with Augmented Reality !!!
It can tell all information about objects
Which are in front of your Phone’s Camera !!!

It can tell Real time information walking through road/street !!!

It can be used as a instant Translator !!!

To implement there are four things that we require to do
Second find users orientation (view)
Third generating information
Fourth augmenting it to users view
Find user’s location
Finduser’s orientation (view)
Generate data
Augment generated
data to user’s view
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Here are the three components needed
to make an augmented-reality
system work:
Display
Tracking system
Mobile computing power
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Just as monitors allow us to see text and
graphics generated by computers, head-
mounted 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
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 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.
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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.
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Fig:- Head mounted display
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 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.
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1.Where the user is located 2.Where he is looking
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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
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 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.
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 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
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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.
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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.
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 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.
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AR in E-Commerce !!!

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.
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 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.
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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.
2/22/2018 29

Augmented Reality

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