G - Physics – 01 – J
Patent
G - Physics
01
J
73/112, 340/155.
G01J 5/10 (2006.01) G01D 11/30 (2006.01) G01J 5/00 (2006.01) G01N 25/72 (2006.01)
Patent
CA 1101241
ABSTRACT OF THE DISCLOSURE An infrared heat-image camera is aimed at a hot surface not perpendicular thereto but instead in a direction almost parallel to the surface, presenting to the camera a heat image of the surface not cartesian but instead highly distorted in accordance with the laws of optical perspective. The camera's output data is correspondingly non-cartesian and distorted with respect to organization and content, but the data is applied to a computer which transforms it to cartesian organization and cor- rects content, and then a corrected cartesian display is gener- ated, simulating the heat image which would be presented to a perpendicularly aimed camera. Alternatively, the camera's scanning mechanisms are programmed to follow a non-cartesian scanning schedule, the geometry of which itself causes the camera output data to have the cartesian organization of a perpendicularly aimed camera. Preferably, the scanning schedule is modified to effect transformation to cartesian organization in only one direction, and transformation to cartesian organization in the other direction is computer-performed. - 1 -
305521
Abel Otto
Eisenhut Werner
Giertz Hans-Josef
Hoppe Joachim
Sarangi Bhubaneswar
Bergwerksverband G.m.b.h.
Fetherstonhaugh & Co.
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