Raster scanning for depth detection
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United States of America Patent
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-
Oct 2, 2012
Grant Date -
Sep 22, 2011
app pub date -
Mar 17, 2010
filing date -
Mar 17, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques are provided for determining distance to an object in a depth camera's field of view. The techniques may include raster scanning light over the object and detecting reflected light from the object. One or more distances to the object may be determined based on the reflected image. A 3D mapping of the object may be generated. The distance(s) to the object may be determined based on times-of-flight between transmitting the light from a light source in the camera to receiving the reflected image from the object. Raster scanning the light may include raster scanning a pattern into the field of view. Determining the distance(s) to the object may include determining spatial differences between a reflected image of the pattern that is received at the camera and a reference pattern.
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Cited Art Landscape
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