HCILecture_Week9A - Z , Z s t , ^ > , ^ / / s Z Z A...

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Eyes, Ears and Hands: Virtual Reality for the Real World Human-Computer Interaction Comp 3900 and Comp 6390 Semester 2, 2010 1 Lecture 9A: Human-Computer Interaction, Semester 2, 2010
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Virtual Reality – Augmented Reality A continuum: Virtual Reality: A synthetic environment into which users immerse themselves Lecture 9A: Human-Computer Interaction, Semester 2, 2010 2 Augmented Reality: A real-world environment into which synthetic components are placed that respond correctly to their real-world context
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2D equivalents in the movies Virtual Reality corresponds to cartoons, in which synthetic actors and objects behave at the direction of the animator Lecture 9A: Human-Computer Interaction, Semester 2, 2010 3 Augmented Reality: Computer graphics are generated separately and inserted into the movie sequence, with choreography to make it look like the real people and the computer graphics entities are interacting
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Interaction In the movies everything is scripted and the action appears as a single sequence that the audience watches Lecture 9A: Human-Computer Interaction, Semester 2, 2010 4 In VR/AR nothing is scripted and the action happens because the participants make choices and decisions in real time and interact with each other
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Illusion VR and AR technologies are designed to fool the body’s senses (seeing, hearing, touching/feeling) to create an illusion of a virtual world. Lecture 9A: Human-Computer Interaction, Semester 2, 2010 5 A stronger illusion is created if several senses perceive the illusion at the same time. Example: The 3D graphics show an object emitting a sound and traversing the scene from left to right. The spatialised audio matches the location of the object as it moves across the scene.
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Example: the “Cave” A three-sided cube with rear-projected stereo video onto the walls and from above Lecture 9A: Human-Computer Interaction, Semester 2, 2010 6 down onto the floor electronics.howstuffworks.com
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Example: the “Cave” Lecture 9A: Human-Computer Interaction, Semester 2, 2010 7 engin.umich.edu
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This note was uploaded on 10/12/2010 for the course CSIT COMP3900 taught by Professor Duncanstevenson during the Three '10 term at Australian National University.

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HCILecture_Week9A - Z , Z s t , ^ > , ^ / / s Z Z A...

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