Vision system for vehicle

  • US 9,809,171 B2
  • Filed: 04/23/2015
  • Issued: 11/07/2017
  • Est. Priority Date: 03/02/2000
  • Status: Active Grant
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First Claim
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1. A vision system for a vehicle, said vision system comprising:

  • a first imager located at a front portion of a vehicle equipped with said vision system, said first imager having a field of view in the direction of forward travel of the equipped vehicle, said first imager operable to capture first image data exteriorly and forwardly of the equipped vehicle when the equipped vehicle normally travels forwardly;

    a second imager located at the rear of the equipped vehicle, said second imager having a field of view rearward of the equipped vehicle, said second imager operable to capture second image data exteriorly and rearwardly of the equipped vehicle;

    a third imager located in a first exterior rearview mirror assembly of the equipped vehicle, said third imager having a field of view at least partially sideward of the vehicle and operable to capture third image data exteriorly and sidewardly of the equipped vehicle;

    a fourth imager located in a second exterior rearview mirror assembly of the equipped vehicle, said third imager having a field of view at least partially sideward of the vehicle and operable to capture fourth image data exteriorly and sidewardly of the equipped vehicle;

    a common image processor operable for processing the captured first, second, third and fourth image data, wherein said common image processor utilizes object detection software during processing of the captured first, second, third and fourth image data;

    a video display screen in the equipped vehicle viewable by a driver of the equipped vehicle when operating the equipped vehicle;

    wherein, responsive to the equipped vehicle being shifted into a reverse gear and while the driver of the equipped vehicle is executing a reversing maneuver, (a) video images derived from image data captured by said second imager are displayed on said video display screen and (b) responsive at least in part to processing of the captured first, second, third and fourth image data by said common image processor, the driver of the equipped vehicle is alerted to the presence of an object exterior the equipped vehicle; and

    wherein, when the equipped vehicle travels forward, said common image processor processes first image data captured by said first imager for a lane departure warning system of the equipped vehicle and for at least one of (i) a headlamp control system of the equipped vehicle and (ii) a traffic sign recognition system of the equipped vehicle.

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