최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0107318 (2011-05-13) |
등록번호 | US-8090153 (2012-01-03) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 75 인용 특허 : 330 |
An imaging system for a vehicle includes a camera having a field of view exterior of a vehicle with the field of view being in a forward direction of travel of the vehicle. The camera is operable to capture image data and an image processor is operable to process the image data. A control, responsiv
An imaging system for a vehicle includes a camera having a field of view exterior of a vehicle with the field of view being in a forward direction of travel of the vehicle. The camera is operable to capture image data and an image processor is operable to process the image data. A control, responsive to the image processor, is operable to provide at least (a) an adaptive forward lighting function for at least one forward facing light of the equipped vehicle, (b) a lane departure warning function and (c) a traffic control signage function. The control may provide the traffic control signage function at least in part by recognition of a geometrical organization present in the forward field of view of the camera. The adaptive forward lighting function may provide adjustment of a beam direction of the at least one forward facing light of the equipped vehicle.
1. An imaging system for a vehicle comprising: a camera having a field of view exterior of a vehicle equipped with said imaging system, wherein said field of view is in a forward direction of travel of the equipped vehicle, and wherein said camera is operable to capture image data;an image processor
1. An imaging system for a vehicle comprising: a camera having a field of view exterior of a vehicle equipped with said imaging system, wherein said field of view is in a forward direction of travel of the equipped vehicle, and wherein said camera is operable to capture image data;an image processor operable to process said image data;a control, wherein said control, responsive to said image processor, is operable to provide at least (a) an adaptive forward lighting function for at least one forward facing light of the equipped vehicle, (b) a lane departure warning function and (c) a traffic control signage function; andwherein said control provides said traffic control signage function at least in part by recognition of a geometrical organization present in the forward field of view of said camera; andwherein said adaptive forward lighting function comprises a beam adjuster, and wherein said beam adjuster is operable to adjust a beam direction of said forward facing light, and wherein said beam adjuster is operable to (a) adjust a visible intensity of the adjusted beam light emanating from said forward facing light and (b) adjust a range of the adjusted beam light emanating from said forward facing light. 2. The imaging system of claim 1, wherein said control provides said traffic control signage function at least in part by recognition of a geometrical organization of signage present in the forward field of view of said camera. 3. The imaging system of claim 2, wherein said signage comprises at least one of (i) a speed limit sign, (ii) an exit sign, (iii) a warning sign, (iv) a stop sign and (v) a yield sign. 4. The imaging system of claim 1, wherein said traffic control signage function includes recognition of at least one of (a) a spectral characteristic of signage present in the forward field of view of said camera, (b) a spatial characteristic of signage present in the forward field of view of said camera, (c) the size of signage present in the forward field of view of said camera, (d) the location of signage present in the forward field of view of said camera relative to the road along which the equipped vehicle is traveling, (e) the geometric shape of signage present in the forward field of view of said camera and (f) characters on the signage present in the forward field of view of said camera. 5. The imaging system of claim 1, wherein said traffic control signage function comprises at least one of (a) detection of signage along a road being traveled by the equipped vehicle and within the forward field of view of said camera and (b) identification of signage along a road being traveled by the equipped vehicle and within the forward field of view of said camera. 6. The imaging system of claim 1, wherein said traffic control signage function comprises at least one of (a) detection of warning signs along a road being traveled by the equipped vehicle and within the forward field of view of said camera and (b) identification of warning signs along a road being traveled by the equipped vehicle and within the forward field of view of said camera. 7. The imaging system of claim 6, wherein said traffic control signage function comprises detection and identification of the warning sign and comprises recognition of a character on the detected warning sign. 8. The imaging system of claim 7, wherein said control is operable to generate an alert to the driver of the equipped vehicle. 9. The imaging system of claim 8, wherein said alert is indicative of at least one of (a) the vehicle speed, (b) a posted speed limit and (c) a difference between the vehicle speed and the posted speed limit. 10. The imaging system of claim 1, wherein said image processor is operable to process said image data in accordance with an algorithm, wherein said algorithm comprises a sign recognition routine and a character recognition routine. 11. The imaging system of claim 10, wherein said image processor processes said image data to detect signs in the forward field of view of said camera, said image processor (a) applying said sign recognition routine to said image data to determine a sign type of the detected sign and generating a sign recognition output, and (b) responsive to said sign recognition output being indicative of the detected sign being a sign type of interest, then applying said character recognition routine to said image data to determine information on the detected sign. 12. The imaging system of claim 1, wherein said control provides said traffic control signage function at least in part responsive to the current geographical location of the equipped vehicle. 13. The imaging system of claim 12, wherein said control is at least in part responsive to a global positioning system of the equipped vehicle and wherein said global positioning system determines the current geographical location of the equipped vehicle. 14. The imaging system of claim 1, wherein said control is operable to adapt to local signage regulations responsive to the current geographical location of the equipped vehicle. 15. The imaging system of claim 14, wherein at least one of (a) the current geographical location of the equipped vehicle is determined by a vehicle-based global positioning system, and wherein said control is responsive to said vehicle-based global positioning system, and (b) the control is responsive to a user input that is actuatable by a user to select a geographical location or zone to establish the current geographical location of the equipped vehicle. 16. The imaging system of claim 14, wherein the current geographical location of the equipped vehicle is determined by a vehicle-based global positioning system, and wherein said control is responsive to said vehicle-based global positioning system to (a) process image data in accordance with an imperial setting when the current geographical location of the equipped vehicle is determined to be in the United States so that numbers on speed limit signage present in said field of view are interpreted by said control as being in miles per hour, and (b) process image data in accordance with a metric setting when the current geographical location of the equipped vehicle is determined to be outside of the United States so that numbers on speed limit signage present in said field of view are interpreted by said control as being in kilometers per hour. 17. The imaging system of claim 1, wherein said control is responsive to a selection of one of an imperial setting and a metric setting, and wherein said control, responsive to said selection, is operable to (a) process image data in accordance with an imperial setting when the imperial setting is selected to process numbers on speed limit signage present in said field of view as being in miles per hour, and (b) process image data in accordance with a metric setting when the metric setting is selected to process numbers on speed limit signage present in said field of view as being in kilometers per hour. 18. The imaging system of claim 1, wherein said adaptive forward lighting function comprises adjustment of a beam direction of said at least one forward facing light of the equipped vehicle. 19. The imaging system of claim 18, wherein said control is operable to detect a headlamp of an oncoming vehicle in the forward field of view of said camera and wherein said adaptive forward lighting function adjusts said beam direction away from the oncoming vehicle. 20. The imaging system of claim 1, wherein said beam adjuster comprises a louver disposed at said forward facing light. 21. The imaging system of claim 1, wherein said beam adjuster comprises at least one of a baffle, a slat, a filter and a louver, and wherein said beam adjuster is adjustable to adjust an amount of light emanating from said forward facing light that passes through said beam adjuster to adjust at least one of a visible intensity of said forward facing light and a range of said forward facing light. 22. The imaging system of claim 1, wherein said camera captures frames of image data and wherein said control provides at least (a) said adaptive forward lighting function for at least one forward facing light of the equipped vehicle, (b) said lane departure warning function and (c) said traffic control signage function responsive to image processing of respective frames of image data. 23. The imaging system of claim 1, wherein said camera captures frames of image data and wherein said image processor, at least in part, processes (a) a frame of image data for said adaptive forward lighting function, (b) another frame of image data for said lane departure warning function and (c) another frame of image data for said traffic control signage function. 24. The imaging system of claim 1, wherein said control is operable to detect lane markers along the road on which the equipped vehicle is traveling, and wherein said control provides said lane departure warning function responsive to detection of lane markers. 25. An imaging system for a vehicle comprising: a camera having a field of view exterior of a vehicle equipped with said imaging system, wherein said field of view is in a forward direction of travel of the equipped vehicle, and wherein said camera is operable to capture image data;an image processor operable to process said image data, wherein said image processor is operable to process said image data in accordance with an algorithm, wherein said algorithm comprises a sign recognition routine and a character recognition routine;a control, wherein said control, responsive to said image processor, is operable to provide at least (a) an adaptive forward lighting function for at least one forward facing light of the equipped vehicle, (b) a lane departure warning function and (c) a traffic control signage function;wherein said control provides said traffic control signage function at least in part by recognition of a geometrical organization of signage present in the forward field of view of said camera; andwherein said adaptive forward lighting function comprises a beam adjuster, and wherein said beam adjuster is operable to adjust a beam direction of said forward facing light, and wherein said beam adjuster is operable to (a) adjust a visible intensity of the adjusted beam light emanating from said forward facing light and (b) adjust a range of the adjusted beam light emanating from said forward facing light. 26. The imaging system of claim 25, wherein said image processor processes said image data to detect signs in the forward field of view of said camera, said image processor (a) applying said sign recognition routine to said image data to determine a sign type of the detected sign and generating a sign recognition output, and (b) responsive to said sign recognition output being indicative of the detected sign being a sign type of interest, then applying said character recognition routine to said image data to determine information on the detected sign. 27. The imaging system of claim 25, wherein said signage comprises at least one of (i) a speed limit sign, (ii) an exit sign, (iii) a warning sign, (iv) a stop sign and (v) a yield sign. 28. An imaging system for a vehicle comprising: a camera having a field of view exterior of a vehicle equipped with said imaging system, wherein said field of view is in a forward direction of travel of the equipped vehicle, and wherein said camera is operable to capture image data;an image processor operable to process said image data;a control, wherein said control, responsive to said image processor, is operable to provide at least (a) an adaptive forward lighting function for at least one forward facing light of the equipped vehicle, (b) a lane departure warning function and (c) a traffic control signage function; andwherein said adaptive forward lighting function comprises a beam adjuster for adjustment of a beam direction of said at least one forward facing light of the equipped vehicle, and wherein said beam adjuster is operable to (a) adjust a visible intensity of the adjusted beam light emanating from said forward facing light and (b) adjust a range of the adjusted beam light emanating from said forward facing light. 29. The imaging system of claim 28, wherein said control is operable to detect a headlamp of an oncoming vehicle in the forward field of view of said camera and wherein said adaptive forward lighting function adjusts said beam direction away from the oncoming vehicle. 30. The imaging system of claim 28, wherein said beam adjuster comprises a louver disposed at said forward facing light. 31. The imaging system of claim 28, wherein said beam adjuster comprises at least one of a baffle, a slat, a filter and a louver and wherein said beam adjuster is adjustable to adjust an amount of light emanating from said forward facing light that passes through said beam adjuster to adjust at least one of a visible intensity of said forward facing light and a range of said forward facing light. 32. The imaging system of claim 28, wherein said control provides said traffic control signage function at least in part by recognition of a geometrical organization of signage present in the forward field of view of said camera, and wherein said signage comprises at least one of (i) a speed limit sign, (ii) an exit sign, (iii) a warning sign, (iv) a stop sign and (v) a yield sign.
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