Arrangement for the detection of targets

Details Arrangement for the detection of targets Arrangement for the detection of targets

G - Physics

01

S

G01S 13/00 (2006.01) G01S 17/00 (2006.01) G01S 17/02 (2006.01) G01S 7/499 (2006.01)

Patent

CA 2213401

The invention relates to an infrared sensor incorporating at least one detector (8, 9) by means of which the number of false alarms can be reduced by comparing image matrices successively generated in one revolution on the basis of prealarms generated in the image matrices by point target extractors (18, 19). Between these matrices generated in succession, differences are introduced by means of a different spectral response, polarization selection and parallax.

L'invention concerne un capteur infrarouge qui comprend au moins un détecteur (8, 9) au moyen duquel il est possible de réduire le nombre de fausses alertes en comparant les matrices d'images obtenues successives au cours d'une révolution, sur la base de préalertes générées dans des matrices d'images par des extracteurs de cibles ponctuelles (18, 19). L'invention concerne également un mode de différenciation entre lesdites matrices successives et qui consiste à faire varier la réponse spectrale, à choisir la polarisation et à utiliser la différence de parallaxe.

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