Method and system for image-sequence-based target tracking and r

Details Method and system for image-sequence-based target tracking and r Method and system for image-sequence-based target tracking and r

1991-12-18

1995-06-06

Voeltz, Emanuel T.

Boots, shoes, and leggings

342458, 342 64, G01S 1300

Patent

active

054228280

ABSTRACT:
A method of tracking targets across a sequence of images estimates the range of these tracked objects from the camera. The method assumes the motion of the camera between the successive frames is known. The distance from the sensor to the object is assumed to be much larger than the physical dimensions of the object. The method and system make use of the known sensor motion to generate "expected images" that are then used to establish a reliable correspondence and track the targets across the image sequence. The method and system use a mean/energy-normalized area correlation technique to establish inter-frame correspondence. With this correspondence, two new methods can estimate the range of the target from the sensor.

REFERENCES:
patent: 4004852 (1977-01-01), Pentecost
patent: 4700307 (1987-10-01), Mons et al.
patent: 4855932 (1989-08-01), Cangiani et al.
patent: 4916302 (1990-04-01), Sorimachi
patent: 4954837 (1990-09-01), Baird et al.

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