Patent ID: 6678598
Filing Date: 2004-01-13
Classification: B60R,G01S,G06K,G06T

Abstract:
A device for seat supervision in motor vehicles comprising:a pulsed monochromatic light source for the short-time illumination of a supervised space; an image sensor array for recording an image of the supervised space which has a global electronic shutter which enables the illumination time of the image sensor array to be adjusted independently of a readout clock of the image sensor array; a synchronizer for synchronizing the operation of the pulsed light source and the image sensor array; a controller for controlling the light source and the image sensor array so as to create a first image of the supervised space during illumination of the supervised space at a first time and to create a second image of the supervised space without illumination of the supervised space a second time; and a difference image former for creating a difference image from the first and the second image.