An aerial camera system is disclosed comprising: a camera cluster, including a plurality of cameras, each camera orientated in a direction selected from a plurality of different camera directions having a downward component; one or more rotators that rotate the camera cluster about respective one or
An aerial camera system is disclosed comprising: a camera cluster, including a plurality of cameras, each camera orientated in a direction selected from a plurality of different camera directions having a downward component; one or more rotators that rotate the camera cluster about respective one or more axes in response to one or more signals, and a control module that successively provides one or more signals to the one or more rotators to rotate the camera cluster and cause the cameras in the camera cluster to acquire respective aerial images.
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1. An aerial camera system comprising: (a) a camera cluster including a plurality of cameras, each camera oriented in a direction selected from a plurality of different camera directions having a downward component; (b) two or more rotators configured to rotate the camera cluster about respective on
1. An aerial camera system comprising: (a) a camera cluster including a plurality of cameras, each camera oriented in a direction selected from a plurality of different camera directions having a downward component; (b) two or more rotators configured to rotate the camera cluster about respective one or more axes of rotation in response to one or more signals, wherein a first rotator of the two or more rotators is configured to change an orientation of the camera cluster about a vertical axis and a second rotator of the two or more rotators is configured to change the orientation of the camera cluster about a horizontal axis; and(c) a control module configured to successively: (i) provide one or more signals to the two or more rotators to rotate the camera cluster, and(ii) cause cameras in the camera cluster to acquire respective aerial images. 2. The system of claim 1, wherein the camera cluster comprises two or more cameras configured to capture oblique views. 3. The system of claim 2, wherein the control module is configured to adjust the oblique angle of the two or more cameras configured to capture oblique views. 4. The system of claim 2, wherein the camera cluster comprises two cameras configured to capture oblique views and at least one camera configured to capture a downward looking nadir view. 5. The system of claim 4, wherein the camera cluster further comprises a camera configured to capture data in the near-infrared portion of the electro-magnetic spectrum of a downward looking nadir view. 6. The system of claim 1, wherein the control module is configured to successively cause a first one of the two or more rotators to change the orientation of the camera cluster by rotating about a horizontal axis. 7. The system of claim 6, wherein the control module is further configured to: (a) provide one or more signals to cause a second one of the two or more rotators to rotate the camera cluster about a vertical axis, and successively:(b) provide one or more signals to the first rotator to rotate the camera cluster about a horizontal axis,(c) cause cameras in the camera cluster to acquire respective aerial images, and(d) repeat steps (a), (b), and (c). 8. The system of claim 1, wherein the control module is configured to successively cause a first one of the two or more rotators to rotate the camera cluster about a horizontal axis. 9. The system of claim 8, wherein the control module is further configured to (a) provide one or more signals to cause a second one of the two or more rotators to rotate the camera cluster about a vertical axis, and successively:(b) provide one or more signals to the first rotator to rotate the camera cluster,(c) cause cameras in the camera cluster to acquire respective aerial images, and(d) repeat steps (a), (b), and (c). 10. The system of claim 1, further comprising a GPS/imu module configured to encode data, associated with captured images, pertaining to one or more of position, velocity, and attitude. 11. The system of claim 10, further comprising a bundle adjustment software module configured to improve the accuracy of the data pertaining to one or more of position, velocity and attitude associated with a given image. 12. A method comprising: for each time of a sequence of times:(a) providing one or more signals to rotate a camera cluster including a plurality of cameras, each camera oriented in a direction selected from a plurality of different camera directions having a downward component, wherein the one or more signals cause two or more rotators to rotate the camera cluster about respective one or more axes of rotation, a first rotator of the two or more rotators being configured to change an orientation of the camera cluster about a vertical axis and a second rotator of the two or more rotators being configured to change the orientation of the camera cluster about a horizontal axis; and(b) providing one or more signals to cause cameras in the camera cluster to acquire respective aerial images. 13. The method of claim 12, further comprising: (a) using the camera cluster to acquire one or more oblique aerial images of an area; and,(b) using the camera duster to acquire one or more images of a downward looking nadir view of the area. 14. The method of claim 13, further comprising using the camera cluster to capture data in the near-infrared portion of the electro-magnetic spectrum of a downward looking nadir view. 15. The method of claim 14, further comprising using the control module to provide one or more signals to cause the first rotator to successively change the orientation of the camera cluster by a rotation about a horizontal axis and to provide one or more signals to cause cameras in the camera cluster to acquire respective aerial images. 16. The method of claim 15, further comprising using the control module to: (a) provide one or more signals to cause the second rotator to rotate the camera cluster about a vertical axis, and successively:(b) provide one or more signals to the first rotator to rotate the camera cluster about a horizontal axis,(c) cause cameras in the camera cluster to acquire respective aerial images, and(d) repeat steps (a), (b), and (c). 17. The method of claim 16, further comprising using the control module to provide one or more signals to cause the second rotator to rotate the camera cluster about a vertical axis to correct for situations in which an aircraft carrying the camera duster may be pointed in a direction differing from its direction of travel due to the presence of cross winds. 18. The method of claim 12, further comprising using a GPS/imu module to encode data, associated with captured images, pertaining to one or more of position, velocity, and attitude. 19. The method of claim 18, further comprising using a bundle adjustment software module to improve the accuracy of the data pertaining to one or more of position, velocity and attitude associated with a given image. 20. The method of claim 19, further comprising using a synthetic frame image creation software module to create a synthetic frame image from a collection of images and associated data corresponding to one or more of position, velocity and attitude.
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이 특허에 인용된 특허 (10)
Kain James E. ; Yates Charles, Airborne imaging system using global positioning system (GPS) and inertial measurement unit (IMU) data.
Hedges Thomas M. (Great Falls VA) Weir David G. (Ormond Beach FL) Speasl Jerry A. (Pleasanton CA), Direct digital airborne panoramic camera system and method.
Lareau Andre G. (Bloomingdale IL) Willey Gilbert W. (Arlington Heights IL) Bennett Russell A. (McHenry IL) Beran Stephen R. (Mount Prospect IL), Method and camera system for step frame reconnaissance with motion compensation.
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