Method and apparatus providing imaging auto-focus utilizing absolute blur value
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Sep 25, 2007
filing date -
Sep 25, 2007
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for determining the need for and performing a refocusing of an imaging device using a blur value, which determines absolute sharpness. The blur detection is itself based on reading one or more edges. New lens positioning is controlled based on the blur value.
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