Television – Special applications – Observation of or from a specific location
Patent
1998-07-10
2000-10-10
Rao, Andy
Television
Special applications
Observation of or from a specific location
382107, 382154, 382106, 382108, 356 12, 354400, 354 81, 244 7, 244 12, H04N 1300
Patent
active
06130705&
ABSTRACT:
An aerial reconnaissance system generates imagery of a scene that meets resolution or field of view objectives automatically and autonomously. In one embodiment, a passive method of automatically calculating range to the target from a sequence of airborne reconnaissance camera images is used. Range information is use for controlling the adjustment of a zoom lens to yield frame-to-frame target imagery that has a desired, e.g., constant, ground resolution or field of view at the center of the image despite rapid and significant aircraft altitude and attitude changes. Image to image digital correlation is used to determine the displacement of the target at the focal plane. Camera frame rate and aircraft INS/GPS information is used to accurately determine the frame to frame distance (baseline). The calculated range to target is then used to drive a zoom lens servo mechanism to the proper focal length to yield the desired resolution or field of view for the next image. The method may be performed based on parameters other than range, such as aircraft height and stand off distance.
REFERENCES:
patent: 3945023 (1976-03-01), Stauffer
patent: 4004852 (1977-01-01), Pentecost
patent: 4267562 (1981-05-01), Raimondi
patent: 4377744 (1983-03-01), Mocenter et al.
patent: 4550992 (1985-11-01), Ohtsuka et al.
patent: 4594610 (1986-06-01), Patel
patent: 4942417 (1990-07-01), Miyazawa et al.
patent: 4959800 (1990-09-01), Woolley
patent: 4967218 (1990-10-01), Numako et al.
patent: 5155597 (1992-10-01), Lareau et al.
patent: 5162831 (1992-11-01), Haraguchi et al.
patent: 5245927 (1993-09-01), Ranes
patent: 5295643 (1994-03-01), Ebbert et al.
patent: 5363165 (1994-11-01), Kawasaki et al.
patent: 5422828 (1995-06-01), Choate et al.
patent: 5617173 (1997-04-01), Kawasaki et al.
patent: 5668593 (1997-09-01), Lareau et al.
patent: 5692062 (1997-11-01), Lareau et al.
patent: 5844602 (1998-12-01), Lareau et al.
Author: Ronald G. Driggers et al. Title: National imagery interpretation rating system and the probabilities of detection, recognition and identification Published: Optical Engineering, vol. 36 No. 7, Jul. 1997--pp. 1952-1959.
Beran Stephen R.
James Brian
Lareau Andre G.
Lund John
Quinn James P.
An Shawn S.
Rao Andy
Recon /Optical, Inc.
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