System and method for real-time image retensioning and loop error correction
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United States of America Patent
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May 7, 2013
Grant Date -
Aug 2, 2012
app pub date -
Jan 27, 2011
filing date -
Jan 27, 2011
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Abstract
Due to an accumulated error from the pair-wise registration, the stitched image may be blurred or have a gap when a loop is encountered. In order to remove the accumulated error, we identify a closed loop where a first image frame overlaps with a second image frame, the second image frame being captured earlier in a scanning sequence than the first image frame; register the first image frame with the second image frame; and apply a global optimization to adjust registration parameters for the plurality of pair-wise registrations of image frames within the closed loop using global constraints.
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