Virtual Reality

IIT Madras Course , Prof. Steven LaValle

Lecture 1: Course mechanics

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Lecture Details :

Virtual Reality by Prof Steven LaValle, Visiting Professor, IITM, UIUC. For more details on NPTEL visit http://nptel.ac.in

Course Description :

Introduction:Course mechanics - Goals and VR definitions - Historical perspective - Birds-eye view (general) - Birds-eye view (hardware) - Birds-eye view (software) - Birds-eye view (sensation and perception)
Geometry of Virtual Worlds:Geometric modeling - Transforming models - Matrix algebra and 2D rotations - 3D rotations and yaw, pitch, and roll - Axis-angle representations - Quaternions - Converting and multiplying rotations - Homogeneous transforms - The chain of viewing transforms - Eye transforms - Canonical view transform - Viewport transform
Light and Optics:Three interpretations of light - Refraction - Simple lenses - Diopters - Imaging properties of lenses - Lens aberrations - Optical system of eyes


Visual Physiology:Photoreceptors - Sufficient resolution for VR - Light intensity - Eye movements - Eye movement issues for VR - Neuroscience of vision
Visual Perception:Depth perception - Motion perception - Frame rates and displays
Tracking Systems:Overview - Orientation tracking - Tilt drift correction - Yaw drift correction - Tracking with a camera - Perspective n-point problem - Filtering - Lighthouse approach
Visual Rendering:Overview - Shading models - Rasterization - Pixel shading - VR-specific problems - Distortion shading - Post-rendering image warp
Audio:Physics and physiology - Auditory perception - Auditory localization - Rendering - Spatialization and display - Combining other senses
Interfaces:overview - Locomotion - Manipulation - System control - Social interaction - Evaluation of VR Systems

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