G - Physics – 06 – K
Patent
G - Physics
06
K
354/55
G06K 7/12 (2006.01) G03B 15/00 (2006.01) G03B 29/00 (2006.01)
Patent
CA 1091351
ABSTRACT OF THE DISCLOSURE A photo-reconnaissance/surveillance system in which the landscape to be scanned is photographed on color film. The film is then developed in a high-speed processor and scanned by photosensors. Illumina- tions for the sensors is provided by a plurality of point sources of light. Colored filters, e.g., a green filter and a blue filter, are alternately interposed between the light sources and the film. A logic circuit compares the transmission through the film for both light con- ditions and, thus, can detect the presence of a target, if the color signature of the target is known a priori.
299167
Ball Vincent W.
Levy Marilyn
Allen John A.
The Government Of The United States As Represented By The Secret
LandOfFree
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