SYMMETRIC FILTER PATTERNS FOR ENHANCED PERFORMANCE OF SINGLE AND CONCURRENT DRIVER ASSISTANCE APPLICATIONS
First Claim
1. A system mounted on a vehicle for performing vehicle control applications and driver assisting applications comprising a camera configured to acquire a plurality of images of the environment in front of the camera, the camera further comprises a filter wherein said filter is installed at the focal plane of said camera and wherein designated portions of said filter transmit predetermined light wavelength and wherein all of said filter portions transmitting a substantially different light wavelength have substantially symmetric in size, resolution and in spatial distribution, the system further comprising an image processor capable of analyzing in real time a plurality of image sequences acquired from at least one of said portions of said filter.
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Accused Products
Abstract
A system mounted on a vehicle for performing vehicle control applications and driver warning applications, the system including a camera configured to acquire a plurality of images of the environment in front of the camera. The camera includes a filter wherein the filter is installed at the focal plane of the camera and wherein designated portions of the filter transmit selective light wavelength. The preferred filter has a checkerboard pattern. The system further including an image processor capable of analyzing in real time a plurality of respective image sequences acquired from at least one of the portions of the filter and is capable of detecting yellow lane markings on a concrete road surface.
191 Citations
16 Claims
- 1. A system mounted on a vehicle for performing vehicle control applications and driver assisting applications comprising a camera configured to acquire a plurality of images of the environment in front of the camera, the camera further comprises a filter wherein said filter is installed at the focal plane of said camera and wherein designated portions of said filter transmit predetermined light wavelength and wherein all of said filter portions transmitting a substantially different light wavelength have substantially symmetric in size, resolution and in spatial distribution, the system further comprising an image processor capable of analyzing in real time a plurality of image sequences acquired from at least one of said portions of said filter.
Specification