Image processing method for detecting objects using relative motion
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United States of America Patent
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Aug 7, 2018
Grant Date -
May 4, 2017
app pub date -
Jan 16, 2017
filing date -
Apr 25, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An obstacle detection method includes acquiring a series of image frames captured by a vehicle camera while the vehicle is in motion. First and second feature points are selected from a first detected object and are spaced apart in a first image frame and tracked over at least a second image frame, and movement of those feature points is determined. Third and fourth feature points are selected from a second detected object and are spaced apart in a first image frame and tracked over at least a second image frame, and movement of the third and fourth feature points is determined. The movements of the first and second feature points are compared to the movements of the third and fourth feature points to distinguish the first detected object as a three dimensional object and the second detected object as a two dimensional object.
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