MULTI-CAMERA VISION SYSTEM FOR A VEHICLE
First Claim
1. A multi-camera vision system for a vehicle, said multi-camera vision system comprising:
- a rear-mounted video camera at a rear portion of a vehicle equipped with said multi-camera vision system;
said rear-mounted video camera having at least a rearward field of view external of the equipped vehicle;
said rear-mounted video camera operable to capture video image data at least rearward of the equipped vehicle during a maneuver of the equipped vehicle;
a front-mounted video camera at a front portion of the equipped vehicle;
said front-mounted video camera having at least a forward field of view external of the equipped vehicle;
said front-mounted video camera operable to capture video image data at least forward of the equipped vehicle during the maneuver of the equipped vehicle;
a first side-mounted video camera at a driver-side side portion of the equipped vehicle;
said first side-mounted video camera having at least a sideward field of view external of the equipped vehicle;
said first side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle;
a second side-mounted video camera at a passenger-side side portion of the equipped vehicle;
said second side-mounted video camera having at least a sideward field of view external of the equipped vehicle;
said second side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle;
a display device comprising a video screen operable to display video images for viewing by a driver of the equipped vehicle who is operating the equipped vehicle;
a central data processor disposed in the equipped vehicle;
wherein captured image data is provided to said central data processor;
wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor to generate video images for display on said video screen that inform the driver of the environment in which the equipped vehicle is being operated;
wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor in order to detect objects that are within the combined field of view of said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera;
wherein detection of objects via processing at said central data processor of captured image data comprises use of an edge detection algorithm;
wherein the equipped vehicle is further equipped with at least one non-visual sensor selected from the group consisting of (i) a radar sensor and (ii) an ultrasonic sensor;
wherein said at least one non-visual sensor captures sensor data in a region external of the equipped vehicle;
wherein captured sensor data is provided to said central data processor;
wherein an alert to the driver of the equipped vehicle is generated when, via processing at said central data processor of at least one of received image data and received sensor data, a potential hazard is determined to exist; and
wherein said rear-mounted video camera has a field of view that encompasses at least a portion of a vehicle bumper of the equipped vehicle.
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Abstract
A multi-camera vision system for a vehicle includes a rear-mounted video camera, a front-mounted video camera, and first and second side-mounted video cameras at respective sides of the vehicle. Captured image data is processed at a central data processor to generate video images for display on a video screen. The captured image data is processed at the central data processor in order to detect objects that are within the combined field of view of the video cameras. At least one non-visual sensor captures sensor data in a region external of the vehicle and the captured sensor data is provided to the central data processor. An alert to the driver of the equipped vehicle is generated when, via processing at the central data processor of at least one of received image data and received sensor data, a potential hazard is determined to exist.
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Citations
30 Claims
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1. A multi-camera vision system for a vehicle, said multi-camera vision system comprising:
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a rear-mounted video camera at a rear portion of a vehicle equipped with said multi-camera vision system; said rear-mounted video camera having at least a rearward field of view external of the equipped vehicle; said rear-mounted video camera operable to capture video image data at least rearward of the equipped vehicle during a maneuver of the equipped vehicle; a front-mounted video camera at a front portion of the equipped vehicle; said front-mounted video camera having at least a forward field of view external of the equipped vehicle; said front-mounted video camera operable to capture video image data at least forward of the equipped vehicle during the maneuver of the equipped vehicle; a first side-mounted video camera at a driver-side side portion of the equipped vehicle; said first side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said first side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a second side-mounted video camera at a passenger-side side portion of the equipped vehicle; said second side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said second side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a display device comprising a video screen operable to display video images for viewing by a driver of the equipped vehicle who is operating the equipped vehicle; a central data processor disposed in the equipped vehicle; wherein captured image data is provided to said central data processor; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor to generate video images for display on said video screen that inform the driver of the environment in which the equipped vehicle is being operated; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor in order to detect objects that are within the combined field of view of said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera; wherein detection of objects via processing at said central data processor of captured image data comprises use of an edge detection algorithm; wherein the equipped vehicle is further equipped with at least one non-visual sensor selected from the group consisting of (i) a radar sensor and (ii) an ultrasonic sensor; wherein said at least one non-visual sensor captures sensor data in a region external of the equipped vehicle; wherein captured sensor data is provided to said central data processor; wherein an alert to the driver of the equipped vehicle is generated when, via processing at said central data processor of at least one of received image data and received sensor data, a potential hazard is determined to exist; and wherein said rear-mounted video camera has a field of view that encompasses at least a portion of a vehicle bumper of the equipped vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A multi-camera vision system for a vehicle, said multi-camera vision system comprising:
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a rear-mounted video camera at a rear portion of a vehicle equipped with said multi-camera vision system; said rear-mounted video camera having at least a rearward field of view external of the equipped vehicle; said rear-mounted video camera operable to capture video image data at least rearward of the equipped vehicle during a maneuver of the equipped vehicle; a front-mounted video camera at a front portion of the equipped vehicle; said front-mounted video camera having at least a forward field of view external of the equipped vehicle; said front-mounted video camera operable to capture video image data at least forward of the equipped vehicle during the maneuver of the equipped vehicle; a first side-mounted video camera at a driver-side side portion of the equipped vehicle; said first side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said first side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a second side-mounted video camera at a passenger-side side portion of the equipped vehicle; said second side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said second side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a display device comprising a video screen operable to display video images for viewing by a driver of the equipped vehicle who is operating the equipped vehicle a central data processor disposed in the equipped vehicle; wherein captured image data is provided to said central data processor; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor to generate video images for display on said video screen that inform the driver of the environment in which the equipped vehicle is being operated; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor in order to detect objects that are within the combined field of view of said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera; wherein detection of objects via processing at said central data processor of captured image data comprises use of an edge detection algorithm; wherein the equipped vehicle is further equipped with at least one non-visual sensor selected from the group consisting of (i) a radar sensor and (ii) an ultrasonic sensor; wherein said at least one non-visual sensor captures sensor data in a region external of the equipped vehicle; wherein captured sensor data is provided to said central data processor; wherein an alert to the driver of the equipped vehicle is generated when, via processing at said central data processor of at least one of received image data and received sensor data, a potential hazard is determined to exist; wherein said potential hazard arises from presence of rear-approaching traffic in side and rear lanes to the equipped vehicle; and wherein data is provided to said central data processor via a vehicle network of the equipped vehicle. - View Dependent Claims (18, 19, 20, 21)
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22. A multi-camera vision system for a vehicle, said multi-camera vision system comprising:
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a rear-mounted video camera at a rear portion of a vehicle equipped with said multi-camera vision system; said rear-mounted video camera having at least a rearward field of view external of the equipped vehicle; said rear-mounted video camera operable to capture video image data at least rearward of the equipped vehicle during a maneuver of the equipped vehicle; a front-mounted video camera at a front portion of the equipped vehicle; said front-mounted video camera having at least a forward field of view external of the equipped vehicle; said front-mounted video camera operable to capture video image data at least forward of the equipped vehicle during the maneuver of the equipped vehicle; a first side-mounted video camera at a driver-side side portion of the equipped vehicle; said first side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said first side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a second side-mounted video camera at a passenger-side side portion of the equipped vehicle; said second side-mounted video camera having at least a sideward field of view external of the equipped vehicle; said second side-mounted video camera operable to capture video image data at least sideward of the equipped vehicle during the maneuver of the equipped vehicle; a display device comprising a video screen operable to display video images for viewing by a driver of the equipped vehicle who is operating the equipped vehicle a central data processor disposed in the equipped vehicle; wherein captured image data is provided to said central data processor; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor to generate video images for display on said video screen that inform the driver of the environment in which the equipped vehicle is being operated; wherein image data captured by said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera is processed at said central data processor in order to detect objects that are within the combined field of view of said front-mounted video camera, said first side-mounted video camera, said second side-mounted video camera and said rear-mounted video camera; wherein detection of objects via processing at said central data processor of captured image data comprises use of an edge detection algorithm; wherein the equipped vehicle is further equipped with an ultrasonic sensor; wherein said ultrasonic sensor captures sensor data in a region external of the equipped vehicle; wherein captured sensor data is provided to said central data processor; wherein an alert to the driver of the equipped vehicle is generated when, via processing at said central data processor of at least one of received image data and received sensor data, a potential hazard is determined to exist; wherein said rear-mounted video camera has a field of view that encompasses at least a portion of a vehicle bumper of the equipped vehicle; wherein said rear-mounted video camera comprises a rear backup camera and wherein video images captured by said rear backup camera are displayed on said video screen when a transmission of the equipped vehicle is shifted into reverse gear by the driver of the equipped vehicle; wherein said video screen of said display device comprises a backlit thin film transistor LCD video screen backlit by a plurality of white light emitting light emitting diodes; wherein said plurality of white light emitting light emitting diodes comprises an array of at least four white light emitting light emitting diodes; and wherein an overlay is displayed with video images captured by said rear backup camera to guide the driver when hitching a trailer to a trailer hitch of the equipped vehicle. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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Specification