System and method for controlling vehicle equipment responsive to a multi-stage village detection
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-027/146
B60Q-001/14
출원번호
US-0486636
(2012-06-01)
등록번호
US-8983135
(2015-03-17)
발명자
/ 주소
Liken, Peter A.
Falb, David M.
Schut, Jeremy A.
Pierce, Phillip R.
출원인 / 주소
Gentex Corporation
대리인 / 주소
Price Heneveld LLP
인용정보
피인용 횟수 :
0인용 특허 :
170
초록▼
A system for controlling equipment of a vehicle is provided. The system is configured to image a scene external and forward of the controlled vehicle and to generate image data corresponding to acquired images including a controller for receiving and analyzing the image data and for generating a con
A system for controlling equipment of a vehicle is provided. The system is configured to image a scene external and forward of the controlled vehicle and to generate image data corresponding to acquired images including a controller for receiving and analyzing the image data and for generating a control signal in response to analysis of the image data and in response to a selected mode of operation. The controller analyzes the data in order to detect at least one characteristic in the image data and selects a mode of operation from at least one of the following modes of operation: the controller selects a dark village mode if at least one characteristic reaches a first threshold, a bright village mode if at least one characteristic reaches a second threshold, and a non-village mode if the controller is not operating in either the dark village mode or the bright village mode.
대표청구항▼
1. A system for controlling equipment of a controlled vehicle, comprising: an imaging system configured to image a scene external and forward of the controlled vehicle and to generate image data corresponding to the acquired images; anda controller configured to receive and analyze the image data an
1. A system for controlling equipment of a controlled vehicle, comprising: an imaging system configured to image a scene external and forward of the controlled vehicle and to generate image data corresponding to the acquired images; anda controller configured to receive and analyze the image data and for generating a control signal that is used to control the equipment, said controller configured to generate the control signal in response to analysis of the image data and in response to a selected mode of operation,wherein said controller analyzes the image data to detect at least one characteristic in the image data, where the at least one characteristic may be present in varying levels indicative of a brightness of a village,wherein said controller is further configured to select a mode of operation from at least the following modes of operation: a dark village mode, a bright village mode, and at least one non-village mode,wherein said controller selects a dark village mode if the at least one characteristic reaches a first threshold,wherein said controller selects a bright village mode if the at least one characteristic reaches a second threshold, where the second threshold is set to a higher level of the at least one characteristic so as to represent a brighter village than a dark village as represented by the first threshold, andwherein said controller selects one of said at least one non-village mode if said controller is not operating in either the dark village mode or the bright village mode. 2. The system of claim 1, wherein the characteristic includes an average ambient light level of at least a portion of the external scene, wherein said controller selects a dark village mode if the average ambient light level of at least a portion of the external scene reaches a first ambient threshold level, andwherein said controller selects a bright village mode if the average ambient light level of at least a portion of the external scene reaches a second ambient threshold level. 3. The system of claim 2, wherein the average ambient light level of at least a portion of the external scene is measured from an upper portion of the external scene. 4. The system of claim 1, wherein the characteristic includes a number of light level peaks detected in an upper portion of the external scene, wherein said controller selects a dark village mode if the number of light level peaks detected in the upper portion of the external scene reaches a first peak threshold, andwherein said controller selects a bright village mode if the number of light level peaks detected in the upper portion of the external scene reaches a second peak threshold. 5. The system of claim 4, wherein the number of light level peaks detected in the upper portion of the external scene is comprised of a number of street lights detected in the image data corresponding to the external scene. 6. The system of claim 1, wherein the characteristic includes a number/density of AC powered light sources in at least a portion of the external scene, wherein said controller selects a dark village mode if the number/density of AC powered light sources in at least a portion of the external scene reaches a first AC powered light source threshold, andwherein said controller selects a bright village mode if the number/density of AC powered light sources in at least a portion of the external scene reaches a second AC powered light source threshold. 7. The system of claim 1, wherein if one of the at least one non-village modes is selected, said controller continues to receive and analyze image data in order to determine whether to select the bright village mode or the dark village mode or continue in at least one non-village mode. 8. The system of claim 1, wherein if the bright village mode or the dark village mode is selected, continuing to receive and analyze image data in order to determine whether to select the non-village mode if a measured characteristic of the image data falls below a predetermined threshold parameter. 9. A method for controlling equipment of a controlled vehicle, comprising: imaging a scene external and forward of the controlled vehicle and generating image data corresponding to the acquired images;receiving and analyzing the image data in a controller to detect at least one characteristic of the image data, where the at least one characteristic may be present in varying levels indicative of a brightness of a village;generating a control signal that is used to control the equipment in response to analysis of the image data and in response to a selected mode of operation,selecting a mode of operation from at least the following modes of operation: a dark village mode; a bright village mode; and at least one non-village mode,selecting a dark village mode if the characteristic reaches a first threshold,selecting a bright village mode if the characteristic reaches a second threshold, where the second threshold is set to a higher level of the at least one characteristic so as to represent a brighter village than a dark village as represented by the first threshold, andselecting one of said at least one non-village modes if said controller is not operating in either the dark village mode or the bright village mode. 10. The method of claim 9, wherein the characteristic includes an average ambient light level of at least a portion of the external scene, wherein the controller selects a dark village mode if the average ambient light level of at least a portion of the external scene reaches a first ambient threshold level, andwherein the controller selects a bright village mode if the average ambient light level of at least a portion of the external scene reaches a second ambient threshold level. 11. The method of claim 10, wherein the average ambient light level of at least a portion of the external scene is measured from an upper portion of the external scene. 12. The method of claim 9, wherein the characteristic includes a number of light level peaks detected in an upper portion of the external scene, wherein the controller selects a dark village mode if the number of light level peaks detected in the upper portion of the external scene reaches a first peak threshold, andwherein the controller selects a bright village mode if the number of light level peaks detected in the upper portion of the external scene reaches a second peak threshold. 13. The method of claim 12, wherein the number of light level peaks detected in the upper portion of the external scene is comprised of a number of street lights detected in the image data corresponding to the external scene. 14. The method of claim 9, wherein the characteristic includes a number/density of AC powered light sources in at least a portion of the external scene, wherein the controller selects a dark village mode if the number/density of AC powered light sources in at least a portion of the external scene reaches a first AC powered light source threshold, andwherein the controller selects a bright village mode if the number/density of AC powered light sources in at least a portion of the external scene reaches a second AC powered light source threshold. 15. The method of claim 9, wherein if one of the at least one non-village modes is selected, the controller continues to receive and analyze image data in order to determine whether to select the bright village mode or the dark village mode or continue in the at least one non-village mode. 16. The method of claim 9, wherein if the bright village mode or the dark village mode is selected, continuing to receive and analyze image data in order to determine whether to select the non-village mode if a measured characteristic of the image data falls below a predetermined threshold parameter. 17. A non-transitory computer readable medium having stored thereon software instructions that, when executed by a processor, cause the processor to control equipment of a controlled vehicle, by executing the steps comprising: imaging a scene external and forward of the controlled vehicle and generating image data corresponding to the acquired images;receiving and analyzing the image data to detect at least one characteristic of the image data, where the at least one characteristic may be present in varying levels indicative of a brightness of a village;generating a control signal that is used to control the equipment in response to analysis of the image data and in response to a selected mode of operation,selecting a mode of operation from at least the following modes of operation: a dark village mode; a bright village mode; and at least one non-village mode,selecting a dark village mode if the characteristic reaches a first threshold,selecting a bright village mode if the characteristic reaches a second threshold, where the second threshold is set to a higher level of the at least one characteristic so as to represent a brighter village than a dark village as represented by the first threshold, andselecting one of said at least one non-village mode if either the dark village mode or the bright village mode is not selected. 18. The non-transitory computer readable medium of claim 17, wherein the at least one characteristic includes an average ambient light level of at least a portion of the external scene, wherein a dark village mode is selected if the average ambient light level of at least a portion of the external scene reaches a first ambient threshold level, andwherein a bright village mode is selected if the average ambient light level of at least a portion of the external scene reaches a second ambient threshold level. 19. The non-transitory computer readable medium of claim 18, wherein said average ambient light level of at least a portion of the external scene is measured from an upper portion of the external scene. 20. The non-transitory computer readable medium of claim 17, wherein the at least one characteristic includes a number of light level peaks detected in an upper portion of the external scene, wherein a dark village mode is selected if the number of light level peaks detected in the upper portion of the external scene reaches a first peak threshold, andwherein a bright village mode is selected if the number of light level peaks detected in the upper portion of the external scene reaches a second peak threshold. 21. The non-transitory computer readable medium of claim 17, wherein the at least one characteristic includes a number/density of AC powered light sources in at least a portion of the external scene, wherein a dark village mode is selected if the number/density of AC powered light sources in at least a portion of the external scene reaches a first AC powered light source threshold, andwherein a bright village mode is selected if the number/density of AC powered light sources in at least a portion of the external scene reaches a second AC powered light source threshold. 22. The non-transitory computer readable medium of claim 17, wherein if one of the at least one non-village modes is selected, continuing to receive and analyze image data to determine whether to select the bright village mode or the dark village mode or continue in said at least one non-village mode. 23. The non-transitory computer readable medium of claim 17, wherein if the bright village mode or dark village mode is selected, continuing to receive and analyze image data in order to determine whether to select the non-village mode if a measured characteristic of the image data falls below a predetermined threshold parameter. 24. An exterior light control for controlling exterior lights of a controlled vehicle, comprising: an imaging system configured to image a scene external and forward of the controlled vehicle and to generate image data corresponding to the acquired images; anda controller configured to receive and analyze the image data and for generating an exterior light control signal that is used to control the exterior lights in response to analysis of the image data and in response to a selected mode of operation, such that said controller responds to analysis of image data differently when in different modes of operation,wherein said controller is further configured to analyze the image data to detect at least one of: an average ambient light level of at least a portion of the external scene; a number of light level peaks detected in an upper portion of the external scene; and a number/density of AC powered light sources in at least a portion of the external scene,wherein said controller is further configured to select a mode of operation from at least the following modes of operation: a dark village mode; a bright village mode; and at least one non-village mode,wherein said controller is further configured to select a dark village mode if at least one of the following conditions is met: the average ambient light level of at least a portion of the external scene reaches a first ambient threshold level; the number of light level peaks detected in the upper portion of the external scene reaches a first peak threshold; and the number/density of AC powered light sources in at least a portion of the external scene reaches a first AC powered light source threshold,wherein said controller is further configured to select a bright village mode if at least one of the following conditions is met: the average ambient light level of at least a portion of the external scene reaches a second ambient threshold level; the number of light level peaks detected in the upper portion of the external scene reaches a second peak threshold; and the number/density of AC powered light sources in at least a portion of the external scene reaches a second AC powered light source threshold, andwherein said controller is further configured to select one of said at least one non-village modes if said controller is not operating in either the dark village mode or the bright village mode,wherein the exterior lights are in a first state when said controller selects a dark village mode and are in a second state when said controller selects a bright village mode. 25. The exterior light control of claim 24, wherein if one of said at least one non-village modes is selected, said controller is configured to continue to receive and analyze image data in order to determine whether to select the bright village mode or the dark village mode or continue in the at least one non-village mode. 26. The exterior light control of claim 24, wherein the average ambient light level of at least a portion of the external scene is measured from an upper portion of the external scene. 27. The exterior light control of claim 24, wherein if the bright village mode or dark village mode is selected, said controller is configured to continue to receive and analyze image data in order to determine whether to select the non-village mode if a measured characteristic of the image data falls below a predetermined threshold parameter. 28. The exterior light control of claim 24, wherein said controller is further configured to automatically disable high-beam activation of the exterior lights when the bright village mode is selected.
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이 특허에 인용된 특허 (170)
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