Method for creating a depth map for auto focus using an all-in-focus picture and two-dimensional scale space matching
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United States of America Patent
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Issued Date -
Jan 25, 2007
app pub date -
Jul 19, 2005
filing date -
Jul 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An imaging acquisition system that generates a depth map for a picture of a three dimension spatial scene from the estimated blur radius of the picture is described. The system generates an all-in-focus reference picture of the three dimension spatial scene. The system uses the all-in-focus reference picture to generate a two-dimensional scale space representation. The system computes the picture depth map for a finite depth of field using the two-dimensional scale space representation.
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