Method and apparatus for correction of perspective distortion
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United States of America Patent
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Jun 15, 2010
Grant Date -
Dec 6, 2007
app pub date -
Jul 2, 2007
filing date -
Feb 17, 2004
priority date (Note) -
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Abstract
Perspective distortion in an imaged scene is corrected by identifying a group of points in the imaged scene such that the group of points define a shape. Two vanishing points are determined based on the group of points in the imaged scene. The process determines a first set of reference points within the shape defined by the group of points and transforms the first set of reference points into a second set of reference points. An aspect ratio associated with the first set of reference points is adjusted and the imaged scene is transformed to reduce perspective distortion in the imaged scene.
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