Vehicular vision system

  • US 10,239,457 B2
  • Filed: 08/20/2018
  • Issued: 03/26/2019
  • 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 plurality of vehicular cameras located at respective portions of a vehicle equipped with said vision system;

    said plurality of vehicular cameras comprising a forward-viewing camera located at a front portion of the equipped vehicle, said forward-viewing camera having a field of view at least forward of the equipped vehicle, said forward-viewing camera operable to capture first image data exteriorly and forwardly of the equipped vehicle when the equipped vehicle normally travels forwardly;

    wherein said forward-viewing camera is located within the interior cabin of the equipped vehicle and is disposed behind a windshield of the equipped vehicle at an in-cabin side of the windshield and views to the exterior of the equipped vehicle through the windshield;

    said plurality of vehicular cameras further comprising a rear camera located at a rear portion of the equipped vehicle, said rear camera having a field of view at least rearward of the equipped vehicle, said rear camera operable to capture second image data exteriorly and rearward of the equipped vehicle;

    a common image processor operable for processing first image data captured by said forward-viewing camera and second image data captured by said rear camera, wherein said common image processor utilizes object detection software at least during processing of first image data captured by said forward-viewing camera to detect at least one vehicle present exterior the equipped vehicle;

    wherein said object detection software utilized by said common image processor utilizes an edge detection algorithm;

    a video display screen of a display device located within the interior cabin of the equipped vehicle, wherein said video display screen is viewable by a driver of the equipped vehicle when operating the equipped vehicle;

    wherein said video display screen comprises a backlit pixelated video display screen;

    wherein said video display screen is backlit by at least one white light emitting light-emitting diode;

    wherein said video display screen is operable to display video images with an intensity greater than 500 candelas per square meter as viewed by the driver of the equipped vehicle during daytime;

    wherein light emanating from said video display screen when displaying video images to be viewed by the driver of the equipped vehicle comprises at least one of (i) circularly polarized light and (ii) elliptically polarized light; and

    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, video images derived from second image data captured by at least said rear camera are displayed by said video display screen.

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