Focus target discrimination using multiple focus zones
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United States of America Patent
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-
May 7, 2013
Grant Date -
Oct 26, 2006
app pub date -
Apr 22, 2005
filing date -
Apr 22, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A digital camera and method or algorithm that quickly determines if there are objects in a focus region of the camera that are nearer to or farther from the current focus position. Multiple focusing zones are used along with a technique that compares data from each of the focusing zones to determine distance relationships between objects in different zones.
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Cited Art Landscape
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