Apparatus and method for performing image transforms in a digital display system
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United States of America Patent
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Sep 24, 2002
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app pub date -
Apr 19, 1999
filing date -
Aug 12, 1998
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Abstract
An image processing apparatus for use in a display system comprises a display device for viewing image, and a geometric transformation module that is configured to precondition said image data with geometric transformations to thereby compensate for characteristics of the display system. The geometric transformation module may include a spatial transformation module for redefining spatial relationships between image pixels, an alignment and rotation correction module for repositioning image pixels, a focus correction module for correcting image defocus, a distortion correction module for correcting image distortions, and a multi-frame correlation module for performing motion-compensated frame rate conversion.
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