Passive range measurement apparatus and method

Details Passive range measurement apparatus and method Passive range measurement apparatus and method

1986-08-29

1987-09-22

Krass, Errol A.

Boots, shoes, and leggings

356 3, G01C 300, G01S 1389

Patent

active

046959599

ABSTRACT:
A passive range measurement device and method are described which device includes a camera, onboard motion sensors, image digitizers and memories and a digital processor. The device creates a digitized image stream from successive images taken by the camera. The digital processor operates on the image stream in conjunction with information obtained from the onboard motion sensors to determine the location of a median plane through the scene, and the position of terrain detail located on that plane. By evaluating in like fashion hypothetical slices through the scene parallel to the median plane, a topographic range map of the scene may be created. This map is referenced to the position of the camera and platform, and may, therefore, be used to provide a terrain following capability.

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patent: 4359732 (1982-11-01), Martin
patent: 4504915 (1985-03-01), Hofmann
patent: 4635203 (1987-01-01), Merchant
Merchant, Optical Engineering, "Exact Area Registration of Different Views of a Common Scene", pp. 424-436, vol. 20, No. 3.

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