Light source detection and categorization system for...

G - Physics – 01 – J

Patent

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G01J 1/00 (2006.01) G01J 1/42 (2006.01)

Patent

CA 2487409

The optical system of the present invention includes a lens system assembly, a spectral filter material and a pixel array configured such that small, distant, light sources can be reliably detected. The optical system of the present invention provides accurate measurement of the brightness of the detected light sources and identification of the peak wavelength and dominant wavelength of the detected light sources. Use of the optical system of the present invention provides the ability to distinguish headlights of oncoming vehicles and taillights of leading vehicles from one another, as well as, from other light sources.

La présente invention concerne un système optique comprenant un système de lentille, un filtre spectral et une matrice de pixels conçue pour que des sources lumineuses à distance, de faible intensité, puissent être détectées de façon fiable. Le système optique de la présente invention permet de mesurer précisément la luminosité des sources lumineuses détectées, ainsi que la longueur d'onde maximale et la longueur d'onde dominante des sources lumineuses détectées. Le système optique de la présente invention permet de distinguer les feux avants de véhicules venant en sens inverse des feux arrières de véhicules circulant dans le même sens et également de distinguer ces feux d'autres sources lumineuses.

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