US Patent No: 7,555,143
Number of patents in Portfolio can not be more than 2000
Real-time geo-registration of imagery using COTS graphics processors
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Jun 30, 2009
Issued date -
Feb 8, 2006
filing date -
11/350,672
serial no -
In Force
status
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Abstract
A method of performing real-time geo-registration of high-resolution digital imagery using existing graphics processing units (GPUs) already found in current personal computers, rather than the main central processing unit (CPU). Digital image data captured by a camera (along with inertial navigation system (INS) data associated with the image data) is transferred to and processed by the GPU to perform the calculations involved in transforming the captured image into a geo-rectified, nadir-looking image. By using the GPU, the order-of-magnitude increase in throughput over conventional software techniques makes real-time geo-registration possible without the significant cost of custom hardware solutions.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 6,512,857 Method and apparatus for performing geo-spatial registration | 38 | 1998 | |
| 6,587,601 Method and apparatus for performing geo-spatial registration using a Euclidean representation | 28 | 2000 | |
| 2003/0014,224 Method and apparatus for automatically generating a site model | 28 | 2002 | |
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| 6,757,445 Method and apparatus for producing digital orthophotos using sparse stereo configurations and external models | 27 | 2000 | |
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| 6,384,859 Methods for creating an image for a three-dimensional display, for calculating depth information and for image processing using the depth information | 18 | 1996 | |
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| 6,597,818 Method and apparatus for performing geo-spatial registration of imagery | 73 | 2001 | |
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| 6,226,418 Rapid convolution based large deformation image matching via landmark and volume imagery | 45 | 1998 | |
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