VEHICULAR VISION SYSTEM
First Claim
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 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 exterior and forward of the equipped vehicle when the equipped vehicle normally travels forward;
wherein said forward-viewing camera is located within an 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 rearward-viewing camera located at the equipped vehicle, said rearward-viewing camera having a field of view at least rearward of the equipped vehicle, said rearward-viewing camera operable to capture second image data exterior and rearward of the equipped vehicle;
a common image processor for processing first image data captured by said forward-viewing camera and second image data captured by said rearward-viewing 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;
a video display screen of a video 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 pixelated video display screen;
wherein said video display device comprises a polarizer and a diffuser;
wherein said video display device comprises at least one brightness enhancement film;
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 selected from the group consisting 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 said rearward-viewing camera are displayed by said video display screen;
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 said rearward-viewing camera are displayed by said video display screen with a contrast ratio of at least 180;
1; and
wherein, when the equipped vehicle is travelling forward, said common image processor processes first image data captured by said forward-viewing camera for (i) a lane departure warning system of the equipped vehicle, (ii) a headlamp control system of the equipped vehicle and (iii) a traffic sign recognition system of the equipped vehicle.
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Abstract
A vision system for a vehicle includes a forward-viewing camera located behind and viewing through a vehicle windshield, a rearward-viewing camera located at a rear of the vehicle, and a common image processor operable for processing captured image data. A video display screen is located within the interior cabin of the vehicle viewable by a driver of the vehicle. The common image processor utilizes object detection software at least during processing of first image data captured by the forward-viewing camera to detect at least one vehicle present exterior the equipped vehicle. Responsive to the vehicle being shifted into a reverse gear and while the driver is executing a reversing maneuver, video images derived from image data captured by at least the rearward-viewing camera are displayed on the video display screen.
8 Citations
49 Claims
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1. A vision system for a vehicle, said vision system comprising:
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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 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 exterior and forward of the equipped vehicle when the equipped vehicle normally travels forward; wherein said forward-viewing camera is located within an 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 rearward-viewing camera located at the equipped vehicle, said rearward-viewing camera having a field of view at least rearward of the equipped vehicle, said rearward-viewing camera operable to capture second image data exterior and rearward of the equipped vehicle; a common image processor for processing first image data captured by said forward-viewing camera and second image data captured by said rearward-viewing 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; a video display screen of a video 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 pixelated video display screen; wherein said video display device comprises a polarizer and a diffuser; wherein said video display device comprises at least one brightness enhancement film; 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 selected from the group consisting 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 said rearward-viewing camera are displayed by said video display screen; 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 said rearward-viewing camera are displayed by said video display screen with a contrast ratio of at least 180;
1; andwherein, when the equipped vehicle is travelling forward, said common image processor processes first image data captured by said forward-viewing camera for (i) a lane departure warning system of the equipped vehicle, (ii) a headlamp control system of the equipped vehicle and (iii) a traffic sign recognition system of the equipped vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A vision system for a vehicle, said vision system comprising:
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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 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 exterior and forward of the equipped vehicle when the equipped vehicle normally travels forward; wherein said forward-viewing camera is located within an 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 rearward-viewing camera located at the equipped vehicle, said rearward-viewing camera having a field of view at least rearward of the equipped vehicle, said rearward-viewing camera operable to capture second image data exterior and rearward of the equipped vehicle; said plurality of vehicular cameras further comprising a driver-side camera located at a driver side of the equipped vehicle, said driver-side camera having a field of view at least sideward and rearward of the equipped vehicle and operable to capture third image data; said plurality of vehicular cameras further comprising a passenger-side camera located at a passenger side of the equipped vehicle, said passenger-side camera having a field of view at least sideward and rearward of the equipped vehicle and operable to capture fourth image data; a common image processor for processing first image data captured by said forward-viewing camera and second image data captured by said rearward-viewing 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; a central video display screen of a central video display device located at a central region of the interior cabin, wherein said central video display screen is viewable by a driver of the equipped vehicle when operating the equipped vehicle; a driver-side video display screen of a driver-side video display device located at a driver side region of the equipped vehicle, wherein said driver-side video display screen is viewable by the driver of the equipped vehicle when operating the equipped vehicle; a passenger-side video display screen of a passenger-side video display device located at a passenger side region of the equipped vehicle, wherein said passenger-side video display screen is viewable by the driver of the equipped vehicle when operating the equipped vehicle; wherein said central video display screen comprises a pixelated video display screen; wherein said central video display device comprises a polarizer and a diffuser; wherein said central video display device comprises at least one brightness enhancement film; wherein light emanating from said central video display screen when displaying video images to be viewed by the driver of the equipped vehicle comprises at least one selected from the group consisting of (i) circularly polarized light and (ii) elliptically polarized light; wherein video images derived from image data captured by said driver-side camera located at the driver side region of the equipped vehicle are displayed at said driver-side video display screen so that the driver of the equipped vehicle viewing the displayed video images at said driver-side video display screen can readily associate the displayed video images with the driver side of the equipped vehicle; wherein video images derived from image data captured by said passenger-side camera located at the passenger side region of the equipped vehicle are displayed at said passenger-side video display screen so that the driver of the equipped vehicle viewing the displayed video images at said passenger-side video display screen can readily associate the displayed video images with the passenger side of 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, video images derived from second image data captured by said rearward-viewing camera are displayed by said central video display screen; 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 said rearward-viewing camera are displayed by said central video display screen with a contrast ratio of at least 180;
1. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. A vision system for a vehicle, said vision system comprising:
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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 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 exterior and forward of the equipped vehicle when the equipped vehicle normally travels forward; wherein said forward-viewing camera is located within an 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 rearward-viewing camera located at the equipped vehicle, said rearward-viewing camera having a field of view at least rearward of the equipped vehicle, said rearward-viewing camera operable to capture second image data exterior and rearward of the equipped vehicle; a common image processor for processing first image data captured by said forward-viewing camera and second image data captured by said rearward-viewing 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; a central video display screen of a central video display device located at a central region of the interior cabin, wherein said central video display screen is viewable by a driver of the equipped vehicle when operating the equipped vehicle; wherein said central video display screen comprises a pixelated video display screen; wherein said central video display device comprises a polarizer and a diffuser; wherein said central video display device comprises at least one brightness enhancement film; wherein light emanating from said central video display screen when displaying video images to be viewed by the driver of the equipped vehicle comprises at least one selected from the group consisting 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 said rearward-viewing camera are displayed by said central video display screen; 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, second image data captured by said rearward-viewing camera is processed at said common image processor; wherein said common image processor utilizes object detection software during processing of second image data captured by said rearward-viewing camera to determine objects present exterior the equipped vehicle in the field of view of said rearward-viewing camera that are in danger of being impacted by the equipped vehicle as the equipped vehicle travels rearward; and wherein, responsive to determination of an object present exterior the equipped vehicle in the field of view of said rearward-viewing camera that is in danger of being impacted by the equipped vehicle as the equipped vehicle travels rearward, the equipped vehicle automatically brakes. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification