VEHICLE VISION SYSTEM WITH TRAFFIC SIGN RECOGNITION
First Claim
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1. A vision system of a vehicle, said vision system comprising:
- a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle;
wherein said camera comprises a pixelated imaging array having a plurality of photosensing elements;
an image processor operable to process image data captured by said camera to detect signs at the road along which the vehicle is traveling; and
wherein said image processor, responsive at least in part to image processing of captured image data and responsive at least in part to a signal indicative of a current geographical location of the vehicle, is operable to identify a determined sign at the road along which the vehicle is traveling.
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Abstract
A vision system of a vehicle includes at least one camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle. The camera includes a pixelated imaging array having a plurality of photosensing elements. An image processor is operable to process image data captured by the camera. The image processor, responsive at least in part to image processing of captured image data and responsive at least in part to a signal indicative of a current geographical location of the vehicle, is operable to identify a determined sign at the road along which the vehicle is traveling.
14 Citations
20 Claims
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1. A vision system of a vehicle, said vision system comprising:
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a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle; wherein said camera comprises a pixelated imaging array having a plurality of photosensing elements; an image processor operable to process image data captured by said camera to detect signs at the road along which the vehicle is traveling; and wherein said image processor, responsive at least in part to image processing of captured image data and responsive at least in part to a signal indicative of a current geographical location of the vehicle, is operable to identify a determined sign at the road along which the vehicle is traveling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A vision system of a vehicle, said vision system comprising:
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a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle; wherein said camera comprises a pixelated imaging array having a plurality of photosensing elements; an image processor operable to process image data captured by said camera to detect signs at the road along which the vehicle is traveling; wherein said image processor, responsive at least in part to image processing of captured image data and responsive at least in part to a signal indicative of a current geographical location of the vehicle, is operable to identify a determined sign at the road along which the vehicle is traveling; and wherein said image processor, responsive at least in part to the signal indicative of the current geographical location of the vehicle, processes captured image data to compare properties of the determined sign with stored sign properties stored in memory of said system, with the stored sign properties being representative of signs at the current geographical location of the vehicle. - View Dependent Claims (14, 15, 16, 17)
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18. A vision system of a vehicle, said vision system comprising:
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a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle, wherein said camera, when disposed at the vehicle, has its field of view forward of the vehicle and through a windshield of the vehicle; wherein said camera comprises a pixelated imaging array having a plurality of photosensing elements; an image processor operable to process image data captured by said camera to detect signs at the road along which the vehicle is traveling; wherein said image processor, responsive at least in part to image processing of captured image data and responsive at least in part to a signal indicative of a current geographical location of the vehicle, is operable to identify a determined sign at the road along which the vehicle is traveling; and wherein said image processor, responsive at least in part to the signal indicative of the current geographical location of the vehicle, adjusts processing of captured image data to identify the determined sign at the road along which the vehicle is traveling. - View Dependent Claims (19, 20)
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Specification