METHOD AND DEVICE FOR DISTINGUISHING A SELF-LUMINOUS OBJECT FROM A REFLECTING OBJECT
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Aug 22, 2012
filing date -
Aug 23, 2011
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Abstract
A method and device for distinguishing a self-luminous object from a reflecting object in a detection range of a camera of a vehicle having at least one headlight, when the object is illuminated by the headlight, are described. The method includes a step of receiving a relative position of the object with respect to the vehicle and a brightness value of the object from the camera. Furthermore, the method includes a step of comparing the brightness value to a self-luminous value expected at the relative position and a reflection value expected at the relative position. Moreover, the method includes a step of classifying the object as self-luminous, if the brightness value is within a self-luminous tolerance range about the self-luminous value or as reflecting, if the brightness value is within a reflection tolerance range about the reflection value.
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