virtual reality
DESCRIPTION
you can cotact me for further deatil...Engr. Muhamamd Abdul Rehman Iqbal +92300-5576762 / [email protected]TRANSCRIPT
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Virtual RealityVirtual Reality
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Subject: Introduction To Information Technology
SUPERVISOR
Engr. Muhamamd Abdul Rehman Iqbal +92300-5576762 / [email protected]
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Prepared by:Prepared by: Saliha Amber Bilal Aamna Yaqoob Raja Mansoor Wajiha Fatima Sheheryaar Shakeel
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OutlineOutline:: Introduction History How It Works Types Technologies Components Applications Implementation Current problems Examples Future work Summary
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Introduction:Introduction:
Computer generated artificial reality.
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History:History:
Term created by Antonin Artaud, a French actor
Has roots in fiction and theater Technology begun in 1950’s First commercial VR system created in
1988, named “Virtuality” After that progress and search continued
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How It Works:How It Works:
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Virtual reality environments are primarily visual experiencesUser can interact either through standard input devices, such as, mouse key-board or through multi-modal devices, like, head-gear or hand-gloves
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Types:Types:
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Adventure Games-Textually described virtual worlds, where the user perceives the virtual environment through mental imagesDesktop-3-D virtual environment, graphically displayed on a desktop computer monitorProjected-3-D environment projected onto a screenSemi-Immersive-The user has partial contact with the real worldImmersive-The user has no contact with the physical world
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Technologies:Technologies:
1-Head-Mounted Display (HMD)-A helmet or a face mask providing the visual and auditory displays.
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2-Binocular Omni-Orientation Monitor (BOOM)- Head-coupled stereoscopic display device
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3-Cave Automatic Virtual Environment (CAVE)-Provides the illusion of immersion by projecting stereo images on the walls and floor of a room-sized cube.
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4-Data Glove-Enables natural interaction with virtual objects by hand gesture recognition.
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5-Control Devices-Control virtual objects in 3 dimensions.
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ComponentsComponents of VR System: of VR System:
Input Processor, Simulation Processor, Rendering Processor and World Database.
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InputProcessor
RenderingProcessor
World Database
SimulationProcessor
visual, auditory, haptic, touch…
Position &Orientation
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oInput Processor: Control the devices used to input information in the computer
oSimulation Processor: Takes the user inputs along with any tasks programmed into the world and determine the actions that will take place in the actual world
oRendering Processor: Creates the sensations that are output to the user
oWorld Database: Stores the objects that inhabit the world
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Applications/Implementations:Applications/Implementations:
Entertainment ◦More vivid◦Move exciting◦More attractive
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Medicine Practice performing surgery. Perform surgery on a remote patient. Teach new skills in a safe, controlled environment.
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Manufacturing◦Easy to modify◦Low cost◦High efficient
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Education & Training◦Driving simulators.◦ Flight simulators.◦Ship simulators.◦ Tank simulators.
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Current ProblemsCurrent Problems
Cyber sickness / simulator sickness Low-fidelity Expensive Lack of integration between application packages
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VR Examples:
• Telepresence Virtual Reality
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•Augmented Virtual Reality
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• Distributed VR
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Summary:Summary:
VR is a computer-generated artificial reality, begun in 1950’s Environments are primarily visual experiences Main types are adventure, desktop, projected, semi-immersive and
immersive Technologies are HMD, BOOM, CAVE, data glove and control
devices Components are input processor, simulation processor, rendering
processor and world database Applied commonly in education, training, medicine etc. Current problems are high cost, simulator sickness etc. Examples are telepresence, augmented and distributed virtual reality
systems
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