Simple method for calculating camera defocus from an image scene
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United States of America Patent
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Nov 10, 2009
Grant Date -
Sep 20, 2007
app pub date -
Mar 16, 2006
filing date -
Mar 16, 2006
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Abstract
An imaging acquisition system that generates a picture depth from an auto focus curve generated from picture of a three dimensional spatial scene is described. The auto focus curve comprises a step edge. The system generates the depth based on the step edge and a reference auto focus normalization curve.
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