Method and device for generating binary descriptors in video frames
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United States of America Patent
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Apr 23, 2019
Grant Date -
Jun 22, 2017
app pub date -
Dec 16, 2016
filing date -
Dec 17, 2015
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Abstract
A method generates a binary descriptor associated with a given point in a current frame of a succession of video frames obtained by an apparatus such as an image sensor. The method includes determining a pattern of points pairs around said given point in the current frame, and performing intensity comparison processing between the two points of each pair. The apparatus is likely to move in a rotation between the previous frame and the current frame. The method includes processing the pattern of points of the current frame with tridimensional rotation information representative of the apparatus rotation between the previous frame and the current frame and obtained from inertial measurements provided by at least one inertial sensor.
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