CAMERA HAVING DISTORTION CORRECTION
First Claim
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1. A lightweight camera system comprising:
- a remote camera situated in a lightweight micro air vehicle, the remote camera having;
an infrared detector array;
at least one lens having distortion disposed over said detector array that forms a distorted image on said detector array, wherein when said remote camera system has motion relative to a source of infrared radiation, the distorted image resulting from forward translation of camera blur of the image detected by the detector array;
a motion detector for detecting an amount of forward translation of camera blur; and
a transmitter connected to said detector array and said motion detector;
a receiving system situated on the earth, the receiving system having a receiver for receiving wireless signals from said transmitter, and an image processor configured to at least partially correct said distorted image.
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Abstract
A lightweight camera is provided that includes a lightweight lens system that has a reduced number of lenses. Reducing the number of lenses produces a lighter camera, but produces a distorted local image. The distorted local image is captured by the lightweight camera, and is preferably transmitted to a remote station. The remote station then performs image processing on the distorted image to remove at least some of the distortion in the image. Preferably, a Massively Parallel Richardson-Lucy (MPRL) algorithm is used to identify and remove distortion from the image. Also, motion, temperature and inter-detector difference distortion is detected and corrected.
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Citations
17 Claims
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1. A lightweight camera system comprising:
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a remote camera situated in a lightweight micro air vehicle, the remote camera having; an infrared detector array; at least one lens having distortion disposed over said detector array that forms a distorted image on said detector array, wherein when said remote camera system has motion relative to a source of infrared radiation, the distorted image resulting from forward translation of camera blur of the image detected by the detector array; a motion detector for detecting an amount of forward translation of camera blur; and a transmitter connected to said detector array and said motion detector; a receiving system situated on the earth, the receiving system having a receiver for receiving wireless signals from said transmitter, and an image processor configured to at least partially correct said distorted image. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A lightweight camera system comprising:
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an integral vacuum package (IVP) camera system; an accelerometer inertial system; a transmitter; receiver electronics; a motion distortion correction module connected to said receiver electronics; a processor connected to said motion distortion correction module; a lens distortion correction module connected to said receiver electronics and said processor; and wherein said IVP camera system, accelerometer inertial system, and transmitter are on a micro air vehicle, and said receiver electronics are on the earth. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification