Image analysis – Applications – Target tracking or detecting
Patent
1991-12-11
1999-02-09
Kelley, Christopher S.
Image analysis
Applications
Target tracking or detecting
382278, 701 4, 701214, 701221, G06K 900
Patent
active
058704868
ABSTRACT:
A method for inferring precise sensor attitude information in a tracking sensor system begins with storing at a first time a reference image in a memory associated with tracking sensor. Next, the method includes sensing it a second time second image. The sensed image comprises a plurality of sensed feature locations. The method further includes determining the position of the tracking sensor at the second time relative to its position at the first time and then forming a correlation between the sensed feature locations and the predetermined feature locations as a function of the relative position. The method results in an estimation of a tracking sensor pose that is calculated as a function of the correlation. Because the method is primarily computational, implementation requires no new hardware in a tracking sensor system other than that which may be required to provide additional computational capacity.
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Choate William Clay
Talluri Rajendra K.
Denker David
Donaldson Richard L.
Kelley Christopher S.
Texas Instruments Incorporated
Williams Tammy L.
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