Tracking a moving object from a camera on a moving platform

Details Tracking a moving object from a camera on a moving platform Tracking a moving object from a camera on a moving platform

2008-07-22

2009-06-02

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S203600, C250S236000, C382S103000

Reexamination Certificate

active

07541565

ABSTRACT:
A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an imaging device positioned in a vehicle and implementing exponentially stabilizing control laws based on the determined transformation and a distance to an imaged target. The method also includes generating a rotation output from the exponentially stabilizing control laws, generating a zoom output from the exponentially stabilizing control laws, determining a system latency in redirecting an optical axis and modifying a lens system along the optical axis, and determining the transformation of the origin of the imaging device with respect to global coordinates. A centroid of the target image is maintained within a selected distance from the origin of the imaging device. The apparent distance between the imaged target and the imaging device is also maintained.

REFERENCES:
patent: 4739401 (1988-04-01), Sacks et al.
patent: 2007/0286456 (2007-12-01), Ariyur et al.
patent: 2008/0118104 (2008-05-01), Ariyur et al.

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