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    Imperceptible Structured Light Projection Mapping for Augmented Reality

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    Cole, Avery
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    Abstract
    A novel method is proposed to imperceptibly embed structured light patterns in projected content and decode them to extract a real time range image stream suitable for dynamic projection mapping applications. A commercially available DLP projector is synchronized with camera capture at rates faster than can be perceived. This allows a stream of grey code patterns to be imperceptibly projected and acquired to realize dense, imperceptible, real time, temporally encoded structured light. The method is deployed on a calibrated and stereo rectified procam system to perform depth triangulation from the extracted patterns. The bandwidth achieved imperceptibly is over 6 million points per second using a general

    purpose CPU which is comparable to perceptible commercial hardware accelerated structured light depth cameras.
    URI for this record
    http://hdl.handle.net/1974/26716
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    • Department of Electrical and Computer Engineering Graduate Theses
    • Queen's Graduate Theses and Dissertations
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