Driver assist system for vehicle

  • US 9,809,168 B2
  • Filed: 04/18/2016
  • 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 driver assist system for a vehicle, said driver assist system comprising:

  • a forward-viewing color video camera disposed at a vehicle equipped with said driver assist system;

    said forward-viewing color video camera having a field of view exterior of the equipped vehicle;

    wherein said forward-viewing color video camera is disposed at a front portion of the equipped vehicle and has a field of view at least forward of the equipped vehicle;

    said forward-viewing color video camera comprising a lens and a two-dimensional array of photosensing elements arranged in rows of photosensing elements and columns of photosensing elements;

    wherein said forward-viewing color video camera is part of a multi-camera vision system of the equipped vehicle, said multi-camera vision system comprising at least three other color video cameras;

    wherein each of said three other color video cameras has a field of view exterior of the equipped vehicle;

    wherein a first one of said three other color video cameras is mounted at a driver-side of the equipped vehicle and a second one of said three other color video cameras is mounted at a passenger-side of the equipped vehicle and a third one of said three other color video cameras comprises a rear backup camera mounted at a rear portion of the equipped vehicle;

    wherein the first one of said three other color video cameras mounted at the driver-side has a field of view at the driver-side of the equipped vehicle and the second one of said three other color video cameras mounted at the passenger-side has a field of view at the passenger-side of the equipped vehicle;

    wherein the field of view of the first one of said three other color video cameras that is mounted at the driver-side overlaps the field of view of said rear backup camera, and wherein the field of view of the second one of said three other color video cameras that is mounted at the passenger-side overlaps the field of view of said rear backup camera;

    at least one non-visual sensor;

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

    wherein said video display screen comprises a multi-pixel display screen;

    wherein, during a parking maneuver of the equipped vehicle, images derived, at least in part, from image data captured by at least some cameras of said multi-camera vision system of the equipped vehicle are displayed by said video display screen to assist the driver in operating the equipped vehicle;

    wherein at least one indication is provided to the driver of the equipped vehicle during the parking maneuver;

    wherein at least one of (a) said at least one indication comprises an indication provided, at least in part, responsive to detection by said non-visual sensor of at least one object external of the equipped vehicle and (b) said at least one indication comprises an indication provided, at least in part, responsive to image processing by an image processor of image data captured by at least one camera of said multi-camera vision system;

    wherein a unitary image is synthesized from image data captured by said multi-camera vision system of the equipped vehicle;

    wherein said synthesized image approximates a view as would be seen by a virtual camera at a single location exterior of the equipped vehicle;

    wherein said synthesized image is displayed by said video display screen that is viewable by the driver of the equipped vehicle when normally operating the equipped vehicle;

    wherein distortion of images derived, at least in part, from image data captured by at least some cameras of said multi-camera vision system of the equipped vehicle, and displayed by said video display screen, is electronically corrected;

    wherein the field of view of said rear backup camera encompasses a ground area to the rear of the equipped vehicle having a width at least substantially an entire rear fender width of the equipped vehicle; and

    wherein the field of view of said forward-viewing color video camera encompasses a ground area to the front of the equipped vehicle having a width at least substantially an entire front fender width of the equipped vehicle.

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