AUTOMATED GEOMETRY CORRECTION FOR REAR PROJECTION
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Mar 28, 2008
filing date -
Mar 28, 2008
priority date (Note) -
Abandoned
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Abstract
An automated geometry correction system and method for rear-projection systems is provided. The automated geometry correction system comprises at least one fiducial placed along each edge of the image screen to permit a correspondence between the image coordinate system of the projection engine, and the screen coordinate system of the image screen. Based on the established correspondence, an image warping algorithm is used to effect an inverse distortion for matching a source image to the projection engine and the image screen, thereby effecting the geometric correction.
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