Virtual reality-What you see is what you believe kaishik gundu
The recent and the most famous technology cruising in the world and has got good applications in the modern world.This is a small Slide Show on the topic
Virtual reality glasses or goggles are a type of eyewear which functions as a display device. They enable the wearer to view a series of computer generated images which they can then interact with.
Virtual reality-What you see is what you believe kaishik gundu
The recent and the most famous technology cruising in the world and has got good applications in the modern world.This is a small Slide Show on the topic
Virtual reality glasses or goggles are a type of eyewear which functions as a display device. They enable the wearer to view a series of computer generated images which they can then interact with.
What is Virtual Reality?
Why we need Virtual Reality?
Virtual reality systems
Virtual Reality hardware
Virtual Reality developing tools
The Future of Virtual Reality
Virtual reality (VR) is a computer technology that uses Virtual reality headsets, sometimes in combination with physical spaces or multi-projected environments, to generate realistic images, sounds and other sensations that simulate a user's physical presence in a virtual or imaginary environment. A person using virtual reality equipment is able to "look around" the artificial world, and with high quality VR move about in it and interact with virtual features or items. VR headsets are head-mounted goggles with a screen in front of the eyes. Programs may include audio and sounds through speakers or headphones.
Virtual Reality simulates technology in environments that mimic the real world as imaginary worlds. It has been around since the 1950s! Read on to know more.
http://www.extentia.com/
The computer-generated simulation of a three-dimensional image or environment that can be interacted with in a seemingly real or physical way by a person using special electronic equipment, such as a helmet with a screen inside or gloves fitted with sensors.
What is Virtual Reality?
Why we need Virtual Reality?
Virtual reality systems
Virtual Reality hardware
Virtual Reality developing tools
The Future of Virtual Reality
Virtual reality (VR) is a computer technology that uses Virtual reality headsets, sometimes in combination with physical spaces or multi-projected environments, to generate realistic images, sounds and other sensations that simulate a user's physical presence in a virtual or imaginary environment. A person using virtual reality equipment is able to "look around" the artificial world, and with high quality VR move about in it and interact with virtual features or items. VR headsets are head-mounted goggles with a screen in front of the eyes. Programs may include audio and sounds through speakers or headphones.
Virtual Reality simulates technology in environments that mimic the real world as imaginary worlds. It has been around since the 1950s! Read on to know more.
http://www.extentia.com/
The computer-generated simulation of a three-dimensional image or environment that can be interacted with in a seemingly real or physical way by a person using special electronic equipment, such as a helmet with a screen inside or gloves fitted with sensors.
Virtual reality (VR) is a simulated experience that can be similar to or completely different from the real world. Applications of virtual reality can include entertainment (i.e. video games) and educational purposes (i.e. medical or military training). Other, distinct types of VR style technology include augmented reality and mixed reality, sometimes referred to as extended reality or XR.
Virtual Reality refers to a high-end user interface that involves real-time simulation and interactions through multiple sensorial channels. Virtual Reality is often used to describe a wide variety of applications, commonly associated with its immersive, highly visual, 3D environments. The development of CAD software, graphics hardware acceleration, head mounted displays, database gloves and miniaturization have helped popularize the concept. Jaron Lanier coined the term Virtual Reality in 1987. Today Virtual Reality plays a big part in the everyday lives of the world’s population.
Virtual Reality refers to a high-end user interface that involves real-time simulation and interactions through multiple sensorial channels. Virtual reality is also known as Artificial Reality. It us often referred as VR/AR. Virtual reality includes Augmented reality, Windows on web, Immersive VR, Telepresence, Mixed Reality(Augmented Reality), Distributed VR.
An overview on virtual reality and its history,types of VR,Architecture and various applications of it.It contains Current problems and future works as well.
2. Introduction
The history of VR
Types of VR
Technologies of VR
Architecture of VR system
Applications of VR
Current problems & Future work
Advantages
Disadvantages
Conclusion
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3. What is Virtual Reality(VR)?
Virtual Reality refers to a
high-end user interface that
involves real-time simulation
and interactions through
multiple sensorial channels.
Virtual reality provide us a
environment which is not
real but feels like real .
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4. Why VR?
VR is able to immerse you in a computer-generated
world of your own making: a room, a city, the interior
of human body. With VR, you can explore any larger
than life of the human imagination.
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5. History
1950-Flight Simulators were built by US Air Force to train
student pilots
1960 - The beginnings of VR
1977 - Interaction through body movement
1982 - The first computer- generated movie
1983 - First virtual Environment
1991- First commercial entertainment VR system
"Virtuality" was released.
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6. Windows on World(WoW)
Also called Desktop VR.
Using a conventional computer monitor to display
the 3D virtual world.
Immersive VR
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).
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7. Distributed VR
A simulated world runs on several computers which
are connected over network and the people are able to
interact in real time, sharing the same virtual world.
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8. Head-Mounted Display (HMD)
− A Helmet or a face mask providing the visual and auditory
displays.
− Use LCD or CRT to display stereo images.
− May include built-in head-tracker and stereo headphones
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9. Cave Automatic Virtual Environment (CAVE)
− Provides the illusion of immersion by projecting stereo
images on the walls and floor of a room-sized cube.
− A head tracking system continuously adjust the stereo
projection to the current position of the leading viewer.
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10. Data Glove
Outfitted with sensors on the fingers as well as an
overall position/orientation tracking equipment.
Enables natural interaction with virtual objects by hand
gesture recognition.
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13. Toolkits
Programming libraries.
Provide function libraries (C & C++).
Authoring systems
Complete programs with graphical interfaces for
creating worlds without resorting to detailed
programming.
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14. VRML(Virtual Reality Modeling Language)
− Standard language for interactive simulation
within the World Wide Web.
− Aallows to create "virtual worlds" networked via
the Internet and hyperlinked with the World
Wide Web.
− Aspects of virtual world display, interaction and
internetworking can be specified using VRML
without being dependent on special gear like
HMD.
− VR models can be viewed by Netscape or IE with a
browser plug-in.
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15. Input Processor, Simulation Processor,
Rendering Processor and World Database.
visual,
auditory,
Position & haptic,
Orientation touch…
Input Rendering
Processor Processor
Simulation
Processor
World Database
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16. Input Processor
Control the devices used to input information to the
computer. The object is to get the coordinate data to
the rest of the system with minimal lag time.
Keyboard, mouse, 3D position trackers, a voice
recognition system, etc.
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17. Components of VR System
(Cont’d)
Simulation Processor
– Core of a VR system.
– Takes the user inputs along with any tasks
programmed into the world and determine
the actions that will take place in the virtual
world.
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18. Components of VR System
(Cont’d)
Rendering Processor
– Create the sensations that are output to
the user.
– Separate rendering processes are used for
visual, auditory, haptic and other sensory
systems. Each renderer take a description
of the world stat from the simulation
process or derive it directly from the World
Database for each time step.
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19. Components of VR System
(Cont’d)
World Database (World Description
Files)
– Store the objects that inhabit the world,
scripts that describe actions of those
objects.
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20. Entertainment
More vivid
More exciting
More attractive
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21. Medical
− Practice performing surgery.
− Perform surgery on a remote patient.
− Teach new skills in a safe, controlled environment.
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22. Manufacturing
Easy to modify
Low cost
High efficient
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23. Education & Training
Driving simulators.
Flight simulators.
Ship simulators.
Tank simulators.
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24. Current problems & Future
work
Low-fidelity
Expensive
Lack of integration between application packages
High-fidelity system
Cost-saving
Collaborative
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25. Interaction with the environment.
user can see and even feel the shaped surface under
his/her fingertips.
Flight simulators and games.
Biomedical Engineering the projects mentioned are
use of virtual reality for viewing of X-RAY's and
MRI‘s.
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26. New technologies have also revealed new problems.
VR in medical treatment is going through some
growing pains.
There are limitations with VR devices as well in
regards to usability.
lack of standardization of hardware and protocols
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27. VR is in its early stages, but is used commercially, globally.
There are 61,400 international commercial companies
producing VR. While VR is at an early stage, it is used
educationally throughout the world. There are
approximately 3,600 educational institutions which use VR.
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