System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment
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United States of America Patent
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Aug 7, 2007
Grant Date -
Sep 21, 2006
app pub date -
Mar 21, 2005
filing date -
Mar 21, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method adjusts a pose of a projector with respect to a display surface. A homography H.sub.D,P is determined between a display surface and a projector. The homography H.sub.D,P is decomposed into rotation and translation parameters expressing a pose M.sub.P of the projector. An ideal pose M.sub.0 of the projector corresponding to an ideal homography H.sub.0 is determined. A pose adjustment M.sub.A is determined according to M.sub.A=M.sub.0(M.sub.P).sup.-1. The pose adjustment M.sub.A is decomposed into rotation and translation adjustment parameters. Then, the projector is adjusted mechanically to the ideal pose M.sub.0 according to the rotation and translation adjustment parameters.
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