Accident avoidance during vehicle backup
First Claim
1. A method to operate a host vehicle having a rearview camera vision sensor, and an electronic controller with memory, comprising:
- determining whether the host vehicle is in reverse gear;
activating a rearview camera vision sensor on said host vehicle to monitor the camera field of view and detect moving objects;
determining host vehicle motion and path of travel;
simultaneously determining an inter-frame difference metric and a histogram difference metric of the field of view of the said rearview camera;
determining a dynamic scene change;
determining a collision threat assessment based upon said dynamic scene change; and
activating warnings and collision avoidance moves.
2 Assignments
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Accused Products
Abstract
In one embodiment, the present invention is directed to a method to operate a host vehicle having a rearview camera vision sensor, and an electronic controller with memory. The method comprises the steps of determining whether the host vehicle is in reverse gear, activating a rearview camera vision sensor on said host vehicle to detect objects, determining host vehicle motion and path of travel, simultaneously determining an inter-frame difference metric and a histogram difference metric of the field of view of said rearview camera, determining a dynamic scene change, determining a collision threat assessment based upon said dynamic scene change, and activating warnings and collision avoidance moves.
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Citations
8 Claims
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1. A method to operate a host vehicle having a rearview camera vision sensor, and an electronic controller with memory, comprising:
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determining whether the host vehicle is in reverse gear; activating a rearview camera vision sensor on said host vehicle to monitor the camera field of view and detect moving objects; determining host vehicle motion and path of travel; simultaneously determining an inter-frame difference metric and a histogram difference metric of the field of view of the said rearview camera; determining a dynamic scene change; determining a collision threat assessment based upon said dynamic scene change; and activating warnings and collision avoidance moves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification