Self-calibrated, remote imaging and data processing system
First Claim
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 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; and
a 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 data 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.
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Accused Products
Abstract
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 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.
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Citations
35 Claims
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1. A system for generating a map, comprising:
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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 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; and a 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 data 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An imaging sensor system comprising:
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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 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. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method of calibrating imaging sensors comprising the steps of:
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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; and calculating the position of one or more subsequent imaging sensors within the first rigid mount unit relative to the first imaging sensor; and calibrating the one or more subsequent imaging sensors using the boresight angle of the first imaging sensor; and using 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; and updating 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. - View Dependent Claims (32, 33, 34)
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35. The method of 34, further comprising the steps of:
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using flight line oversampling techniques to update the position of the second imaging sensor within the second 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; and updating at least one calibration parameter of one or more subsequent imaging sensors within the second rigid mount using the updated boresight angle of the first imaging sensor.
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Specification