Focus control amount determination apparatus, method, and imaging apparatus
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United States of America Patent
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Jul 13, 2010
Grant Date -
Sep 6, 2007
app pub date -
Mar 1, 2007
filing date -
Mar 3, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the AF processing section, the parameter obtaining section obtains a weighting parameter value for a principal component that represents a sharpness level of a face portion of an image, an example of a predetermined structure in an image, detected by the face detection section by applying the detected face portion to a model generated by a predetermined statistical processing, such as AAM or the like, based on a plurality of images that represent the face portion in different sharpness levels, and the control amount determination section determines the focus control amount according to the obtained parameter value.
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