Method for the independent detection of helicopters
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Oct 18, 2001
app pub date -
Jan 16, 2001
filing date -
Jan 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for the detection of helicopters from a flying platform utilizes an imaging sensor. Relevant image regions of two successive images are subtracted from one another with respect to picture elements, and within the thus formed differential image, segments are identified by means of a threshold value process. Straight lines of the same orientation are adapted to the identified segments, and intersection points are determined for all such straight lines. Identification of a helicopter is made based on a bunching of the intersection points.
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