Vision system for vehicle

  • US 10,053,013 B2
  • Filed: 11/06/2017
  • Issued: 08/21/2018
  • Est. Priority Date: 03/02/2000
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

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 and views to the exterior of the equipped vehicle through the windshield;

    said plurality of vehicular cameras comprising a rear backup camera located at the rear of the equipped vehicle, said rear backup camera having a field of view at least rearward of the equipped vehicle, said rear backup 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 backup camera, wherein said common image processor utilizes object detection software during processing of first image data captured by said forward-viewing camera and second image data captured by said rear backup camera;

    wherein said object detection software utilized by said common image processor utilizes an edge detection algorithm to detect objects present exterior the equipped vehicle;

    a video display screen located within the interior cabin of the equipped vehicle 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 a plurality of white light emitting light-emitting diodes, and wherein said plurality of white light emitting light-emitting diodes is operable to generate a backlighting intensity of greater than 10,000 candelas per square meter;

    wherein said video display screen is operable to display video images with an intensity greater than 200 candelas per square meter as viewed by the driver of the equipped vehicle;

    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;

    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 backup camera are displayed on said video display screen; and

    wherein, when the equipped vehicle is travelling forward, said common image processor processes first image data captured by said forward-viewing camera 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.

View all claims