[특허]Self-calibrated, remote imaging and data processing system

Visual Intelligence, LP

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Self-calibrated, remote imaging and data processing system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03B-037/00 G01C-011/02 G01C-021/00
미국특허분류(USC)	701/468; 701/514; 701/523; 702/005; 348/144
출원번호	US-0798899 (2010-04-13)
등록번호	US-8483960 (2013-07-09)
발명자 / 주소	Smitherman, Chester L.
출원인 / 주소	Visual Intelligence, LP
대리인 / 주소	Lechner-Fish, Teresa J.
인용정보	피인용 횟수 : 3 인용 특허 : 114

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An imaging sensor system comprising: a rigid mount plate affixed to a vehicle; a first rigid mount unit affixed to the mount plate and having at least two imaging sensors disposed within the first mount unit, wherein a first imaging and a second imaging sensor each has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the first and second imaging sensor each generates a first array of pixels, wherein each array of pixels is at least two dimensional, wherein the first and second imaging sensors are offset to hav...

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1. A system for generating a map, comprising: a global positioning receiver;a vehicle in alignment with a target area;an elevation measurement unit, in communication with the vehicle;a global positioning antenna, in communication with the vehicle;an attitude measurement unit, in communication with the vehicle;an imaging sensor system, disposed to the vehicle, comprising:a rigid mount plate affixed to the vehicle;a first rigid mount unit affixed to the mount plate and having at least two imaging sensors disposed within the first mount unit, wherein a first imaging sensor and a second imaging sensor each has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the first and second imaging sensor each generates a first data array of pixels, wherein each data array of pixels is at least two dimensional, wherein the first and second imaging sensors are offset to have a first image overlap area in the target area, wherein the first sensors image data bisects the second sensors image data in the first image overlap area; anda computer in communication with the elevation measurement unit, the global positioning antenna, the attitude measurement unit, the first imaging sensor, and the second imaging sensor; correlating at least a portion of the image areas from the first imaging sensor and the second imaging sensor to a portion of the target area based on input from one or more of: the elevation measurement unit, the global positioning antenna and the attitude measurement unit. 2. The system of claim 1 further comprising: a third imaging sensor disposed within the first mount unit, wherein the third imaging sensor has a focal axis passing through the aperture in the first mount unit and the mount plate, wherein the third imaging sensor generates a third data array of pixels, wherein the third data array of pixels is at least two dimensional. 3. The system of claim 2, further comprising: a fourth imaging sensor disposed within the first mount unit, wherein the fourth imaging sensor has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the fourth imaging sensor generates a fourth data array of pixels, wherein the fourth data array of pixels is at least two dimensional, wherein the third and fourth imaging sensors are offset to have a second image overlap area in the target area, wherein the third sensors image data bisects the fourth sensors image data in the second image overlap area. 4. The system of claim 3, wherein a first sensor array comprising the first and second image sensors and a second sensor array comprising the third and fourth image sensors are offset to have a third image overlap area in the target area, wherein the first sensor arrays image data bisects the second sensor arrays image data in the third overlap area. 5. The system of claim 3, wherein the first sensor arrays image data completely overlaps the second sensors arrays image data. 6. The system of claim 3, wherein third and fourth imaging sensors are selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 7. The system of claim 3, wherein the first and second imaging sensors are a digital camera and the third imaging sensor is a LIDAR. 8. The system of claim 2, wherein the third imaging sensor is selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 9. The system of claim 2, wherein the third imaging sensor is selected from the group consisting of a digital camera having a hyperspectral filter and a LIDAR. 10. The system of claim 2, wherein the first and second imaging sensors are a digital camera and the third imaging sensor is a LIDAR. 11. The system of claim 1, wherein the first mount unit and mount plate flex less than 100th of a degree during operation. 12. The system of claim 11, wherein the first mount unit and mount plate flex less than 1,000th of a degree during operation. 13. The system of claim 12, wherein the first mount unit and mount plate flex less than 10,000th of a degree during operation. 14. The system of claim 1, wherein the first imaging sensor is calibrated relative to one or more attitude measuring devices selected from the group consisting of a gyroscope, an IMU, and a GPS. 15. The system of claim 1, wherein the first and second imaging sensors are selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 16. An imaging sensor system comprising: a rigid mount plate affixed to a vehicle in alignment with a target area;a first rigid mount unit affixed to the mount plate and having at least two imaging sensors disposed within the first mount unit, wherein a first imaging sensor and a second imaging sensor each has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the first and second imaging sensor each generates a first data array of pixels, wherein each data array of pixels is at least two dimensional, wherein the first and second imaging sensors are offset to have a first image overlap area in the target area, wherein the first sensors image data bisects the second sensors image data in the first image overlap area. 17. The system of claim 16 further comprising: a third imaging sensor disposed within the first mount unit, wherein the third imaging sensor has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the third imaging sensor generates a second data array of pixels, wherein the second data array of pixels is at least two dimensional. 18. The system of claim 17 further comprising: a fourth imaging sensor disposed within the first mount unit, wherein the fourth imaging sensor has a focal axis passing through an aperture in the first mount unit and the mount plate, wherein the fourth imaging sensor generates a third data array of pixels, wherein the third data array of pixels is at least two dimensional, wherein the third and fourth imaging sensors are aligned and offset to have a second image overlap area in the target area, wherein the third sensors image data bisects the fourth sensors image in the second image overlap area. 19. The system of claim 18, wherein a first sensor array comprising the first and the second image sensor and a second sensor array comprising the third and the fourth image sensor are offset to have a third image overlap area in the target area, wherein first sensor arrays image data bisects the second sensor arrays image data in the third image overlap area. 20. The system of claim 18, wherein the first sensor arrays image data completely overlaps the second sensor arrays image data. 21. The system of claim 18, wherein the third and fourth imaging sensors are selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 22. The system of claim 18, wherein the first and second imaging sensors are a digital camera and the third imaging sensor is a LIDAR. 23. The system of claim 17, wherein the third imaging sensor is selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 24. The system of claim 17, wherein the third imaging sensor is selected from the group consisting of a digital camera having a hyperspectral filter and a LIDAR. 25. The system of claim 17, wherein the first and second imaging sensors are a digital camera and the third imaging sensor is a LIDAR. 26. The system of claim 16, wherein the first mount unit and mount plate flex less than 100th of a degree during operation. 27. The system of claim 26, wherein the first mount unit and mount plate flex less than 1,000th of a degree during operation. 28. The system of claim 27, wherein the first mount unit and mount plate flex less than 10,000th of a degree during operation. 29. The system of claim 16, wherein the first imaging sensor is calibrated relative to one or more attitude measuring devices selected from the group consisting of a gyroscope, an IMU, and a GPS. 30. The system of claim 16, wherein the first and second imaging sensors are selected from the group consisting of digital cameras, LIDAR, infrared, heat-sensing and gravitometers. 31. A method of calibrating imaging sensors comprising the steps of: performing an initial calibration of the imaging sensors comprising:determining the position of an AMU;determining the position of a first imaging sensor within a first rigid mount unit relative to the AMU;determining the position of a second imaging sensor within the first rigid mount unit relative to the AMU;calibrating the first imaging sensor against a target area and determining a boresight angle of the first imaging sensor; andcalculating the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andcalibrating the one or more subsequent imaging sensors using the boresight angle of the first imaging sensor; andusing oversampling techniques to update at least one initial calibration parameter of the first imaging sensor against a target area and the boresight angle of the first imaging sensor;using oversampling techniques to update the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andupdating at least one calibration parameter of one or more subsequent imaging sensors within the first rigid mount using the updated boresight angle of the first imaging sensor. 32. The method of claim 31, wherein the initial calibration step further comprises the steps of: calibrating the second imaging sensor using the updated boresight angle of the first imaging sensor;calculating the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andcalibrating the one or more subsequent imaging sensors within the first rigid mount using the updated boresight angle of the first imaging sensor. 33. The method of claim 32, further comprising the steps of: using oversampling techniques to update the position of the second imaging sensor within the first rigid mount unit relative to the first imaging sensor;using oversampling techniques to update the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andupdating at least one calibration parameter of one or more subsequent imaging sensors within the first rigid mount using the updated boresight angle of the first imaging sensor. 34. The method of claim 31, further comprising the steps of: using flight line oversampling techniques to update the calibration of the first imaging sensor against a target area and the boresight angle of the first imaging sensor;using flight line oversampling techniques to update the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andupdating at least one calibration parameter of one or more subsequent imaging sensors using the updated boresight angle of the first imaging sensor. 35. The method of 34, further comprising the steps of: using flight line oversampling techniques to update the position of the second imaging sensor within the first rigid mount unit relative to the first imaging sensor;using flight line oversampling techniques to update the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; andupdating at least one calibration parameter of one or more subsequent imaging sensors within the first rigid mount using the updated boresight angle of the first imaging sensor.

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이 특허를 인용한 특허 피인용횟수: 3

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Self-calibrated, remote imaging and data processing system

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