METHOD FOR ESTIMATING THE ANGULAR DEVIATION OF A MOBILE ELEMENT RELATIVE TO A REFERENCE DIRECTION
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United States of America Patent
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Feb 25, 2016
app pub date -
Apr 9, 2014
filing date -
Apr 11, 2013
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Abstract
A method for estimating the angular deviation of a moving element relative to a reference direction comprises the following steps: acquisition of a reference image of a reference direction of the moving element; acquisition of a current image of the current direction of the moving element; identification of points of interest in the reference image and in the current image; determination of at least two pairs of points of interest, one pair being made up of a point of interest in the current image and of a point of interest corresponding thereto in the reference image; determination of the angular deviation between the current direction and the reference direction of the moving element by using the at least two pairs of points identified in the preceding step.
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