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-0023750 (2011-02-09) |
등록번호 | US-8890955 (2014-11-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 397 |
A vision system for a vehicle includes a camera subsystem and a display subsystem. The camera subsystem includes an imaging sensor disposed at an equipped vehicle that captures image data, and the camera subsystem wirelessly transmits the image data. The display subsystem includes a video display sc
A vision system for a vehicle includes a camera subsystem and a display subsystem. The camera subsystem includes an imaging sensor disposed at an equipped vehicle that captures image data, and the camera subsystem wirelessly transmits the image data. The display subsystem includes a video display screen disposed in the equipped vehicle for displaying images for viewing by a driver of the equipped vehicle when the driver is normally operating the equipped vehicle. The display subsystem is operable to receive the transmitted image data from the camera subsystem. The display subsystem transmits an error signal responsive to processing of the image data and the camera subsystem receives the error signal and at least one of (a) adjusts a compression factor of the image data responsive to the error signal and (b) adjusts a transmission rate of the image data responsive to the error signal.
1. A vehicular vision system for a vehicle, said vehicular vision system comprising: a camera subsystem, said camera subsystem comprising an imaging sensor disposed at a vehicle equipped with said vehicular vision system, said imaging sensor capturing image data and said camera subsystem wirelessly
1. A vehicular vision system for a vehicle, said vehicular vision system comprising: a camera subsystem, said camera subsystem comprising an imaging sensor disposed at a vehicle equipped with said vehicular vision system, said imaging sensor capturing image data and said camera subsystem wirelessly transmitting said image data;a display subsystem comprising a video display screen disposed in the equipped vehicle for displaying images for viewing by a driver of the equipped vehicle when the driver is normally operating the equipped vehicle, wherein said display subsystem is operable to receive said transmitted image data from said camera subsystem;wherein said display subsystem transmits an error signal responsive to processing of said image data and wherein said camera subsystem receives said error signal and (a) adjusts a compression factor of said image data responsive to said error signal and (b) adjusts a transmission rate of said image data responsive to said error signal;wherein, when said error signal is indicative of an increase in errors in the transmission of image data, said camera subsystem decreases said transmission rate and increases said compression factor, and wherein, when said error signal is indicative of a decrease in errors in the transmission of image data, said camera subsystem increases said transmission rate and decreases said compression factor;wherein said display subsystem determines a number of errors in the image data received by said display subsystem and wherein said display subsystem reports the number of errors in the received image data to said camera subsystem via a return path of a wireless communication link between said display subsystem and said camera subsystem; andwherein, responsive to said display subsystem determining an increase in errors in said image data to at least a threshold number of errors, said camera subsystem reduces portions of the video image data before compression. 2. The vehicular vision system of claim 1, wherein said vehicular vision system comprises an aftermarket vision system, and wherein said camera subsystem is electrically connected to a power source of the equipped vehicle and wherein said display subsystem is electrically connected to a power source of the equipped vehicle. 3. The vehicular vision system of claim 1, wherein said imaging sensor has an exterior field of view of an area exterior of the equipped vehicle. 4. The vehicular vision system of claim 3, wherein said imaging sensor has a rearward field of view relative to a direction of travel of the equipped vehicle. 5. The vehicular vision system of claim 4, wherein said imaging sensor is operable to capture rearward images to assist the driver of the equipped vehicle during a reversing maneuver of the equipped vehicle. 6. The vehicular vision system of claim 1, wherein said camera subsystem comprises a decoder that converts a composite video signal from said imaging sensor to digital image data. 7. The vehicular vision system of claim 1, wherein said camera subsystem compresses said image data and transmits compressed image data. 8. The vehicular vision system of claim 7, wherein said display subsystem decompresses compressed image data. 9. The vehicular vision system of claim 8, wherein said display subsystem encodes said decompressed image data for display by said video display screen. 10. The vehicular vision system of claim 1, wherein said camera subsystem, responsive to said error signal, adjusts a bandwidth required to wirelessly transmit said image data. 11. The vehicular vision system of claim 1, wherein said camera subsystem, responsive to a determination that the increase in errors in said image data is at least to the threshold number of errors, at least one of (a) reduces or eliminates color information, (b) reduces image resolution and (c) reduces an image capture frame rate. 12. A vehicular vision system for a vehicle, said vehicular vision system comprising: a camera subsystem, said camera subsystem comprising an imaging sensor disposed at a vehicle equipped with said vehicular vision system and having a rearward field of view rearward of the equipped vehicle, said imaging sensor capturing image data and said camera subsystem wirelessly transmitting said image data;a display subsystem comprising a video display screen disposed in an interior rearview mirror assembly of the equipped vehicle for displaying images for viewing by a driver of the equipped vehicle through a transflective reflector of a transflective reflective element of said interior rearview mirror assembly when the driver is normally operating the equipped vehicle, wherein said display subsystem is operable to receive said transmitted image data from said camera subsystem;wherein said display subsystem transmits an error signal responsive to processing of said image data and wherein said camera subsystem receives said error signal and (a) adjusts a compression factor of said image data responsive to said error signal and (b) adjusts a transmission rate of said image data responsive to said error signal;wherein, when said error signal is indicative of an increase in errors in the transmission of image data, said camera subsystem decreases said transmission rate and increases said compression factor, and wherein, when said error signal is indicative of a decrease in errors in the transmission of image data, said camera subsystem increases said transmission rate and decreases said compression factor;wherein said display subsystem determines a number of errors in the image data received by said display subsystem and wherein said display subsystem reports the number of errors in the received image data to said camera subsystem via a return path of a wireless communication link between said display subsystem and said camera subsystem; andwherein, responsive to said display subsystem determining an increase in errors in said image data to at least a threshold number of errors, said camera subsystem reduces portions of the video image data before compression. 13. The vehicular vision system of claim 12, wherein said camera subsystem, responsive to said error signal, adjusts a bandwidth required to wirelessly transmit said image data. 14. A vehicular vision system for a vehicle, said vehicular vision system comprising: a camera subsystem, said camera subsystem comprising an imaging sensor disposed at a vehicle equipped with said vehicular vision system and having a field of view exterior of the vehicle, said imaging sensor capturing image data and said camera subsystem wirelessly transmitting said image data;a display subsystem comprising a video display screen disposed in the equipped vehicle for displaying images for viewing by a driver of the equipped vehicle when the driver is normally operating the equipped vehicle, wherein said display subsystem is operable to receive said transmitted image data from said camera subsystem;wherein said display subsystem transmits an error signal responsive to processing of said image data and wherein said camera subsystem receives said error signal and (a) adjusts a compression factor of said image data responsive to said error signal and (b) adjusts a transmission rate of said image data responsive to said error signal;wherein, when said error signal is indicative of an increase in errors in the transmission of image data, said camera subsystem decreases said transmission rate and increases said compression factor, and wherein, when said error signal is indicative of a decrease in errors in the transmission of image data, said camera subsystem increases said transmission rate and decreases said compression factor;wherein said display subsystem determines a number of errors in the image data received by said display subsystem and wherein said display subsystem reports the number of errors in the received image data to said camera subsystem via a return path of a wireless communication link between said display subsystem and said camera subsystem,wherein, responsive to said display subsystem determining an increase in errors in said image data to at least a threshold number of errors, said camera subsystem reduces portions of the video image data before compression; andwherein said camera subsystem, responsive to a determination that the increase in errors in said image data is at least to the threshold number of errors, at least one of (a) reduces or eliminates color information, (b) reduces image resolution and (c) reduces an image capture frame rate. 15. The vehicular vision system of claim 14, wherein said camera subsystem, responsive to said error signal, adjusts a bandwidth required to wirelessly transmit said image data.
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