Patent ID: 8781155
Filing Date: 2014-07-15
Classification: B60S,G06K,G06T

Abstract:
1. A mist detection apparatus comprising: a camera adapted to view a surface; a processor adapted to capture at least one image from the camera and generate at least one signal indicative of the presence of mist on the surface from information contained in the at least one captured image, and a backlight adapted to illuminate the surface, wherein the processor is arranged to (1) distinguish a first area of the image, in which a specular reflection of the backlight is not found, from a second area of the image, in which a specular reflection of the backlight on the surface is found, (2) calculate a difference in intensity in the first area of the image between captured images in which the backlight is illuminated and in which the backlight is not illuminated, and (3) generate the at least one signal based upon the difference in intensity.