Reduced homography for recovery of pose parameters of an optical apparatus producing image data with structural uncertainty
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United States of America Patent
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Mar 3, 2015
Grant Date -
Aug 1, 2013
app pub date -
Mar 13, 2013
filing date -
Mar 13, 2013
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Abstract
A reduced homography H for an optical apparatus to recover pose parameters from imaged space points Pi using an optical sensor. The electromagnetic radiation from the space points Pi is recorded on the optical sensor at measured image coordinates. A structural uncertainty introduced in the measured image points is determined and a reduced representation of the measured image points is selected based on the type of structural uncertainty. The reduced representation includes rays {circumflex over (r)}i defined in homogeneous coordinates and contained in a projective plane of the optical apparatus. At least one pose parameter of the optical apparatus is then estimated by applying the reduced homography H and by applying a condition on the motion of the optical apparatus, the condition being consonant with the reduced representation employed in the reduced homography H.
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