Determining Proximity of a Camera to a Subject Based on Shadow Analysis
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Apr 24, 2013
filing date -
Jun 23, 2010
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates generally to cell phones and cameras, and to shadow analysis in images captured by such cell phones and cameras. One claim recites a smart phone comprising: a camera; and one or more processors programmed for: i) identifying a shadow cast by the smart phone or camera on a subject being imaged by a camera; and ii) determining a proximity of the camera to the subject based on an analysis of the shadow. Of course, other claims and combinations are provided too.
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