Determining position in a projection capture system
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United States of America Patent
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Nov 25, 2014
Grant Date -
May 9, 2013
app pub date -
Nov 4, 2011
filing date -
Nov 4, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In one example, a projection capture system includes: a visible light projector to project a pattern on to a surface of a GUI control object placed on or above a work surface; a visible light camera to capture an image of the pattern projected on to the surface of the control object; and a controller operatively connected to the projector and the camera. Programming on the controller determines (1) a lateral position of the pattern relative to a reference position associated with the work surface based on the pattern image captured by the camera and (2) a height of the pattern above the work surface based on the lateral position of the pattern.
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