Mosaic oblique images and methods of making and using same
First Claim
1. A system, comprising:
- a computer system running image processing software that when executed by the computer system causes the computer system to;
receive an identification of a desired scene of a geographical area for which an oblique-mosaic image is desired including one or more camera geometry parameters of a virtual camera;
create a mathematical model of the virtual camera having mathematical values that define the camera geometry parameters that configure the mathematical model to capture the geographical area looking down at an oblique angle, the mathematical model having an oblique-mosaic pixel map of the geographical area encompassing multiple source images;
create a ground elevation model of the ground and vertical structures within the oblique-mosaic pixel map using overlapping source images of the geographical area, wherein the source images were captured at an oblique angle and compass direction similar to the oblique angle and compass direction of the virtual camera; and
reproject, with the mathematical model, source oblique image pixels of the overlapping source images for pixels included in the oblique-mosaic pixel map using the ground elevation model to thereby create the oblique-mosaic image of the geographical area.
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Abstract
A computer system running image processing software receives an identification of a desired scene of a geographical area for which an oblique-mosaic image is desired including one or more geometry parameters of a virtual camera; creates a mathematical model of the virtual camera having mathematical values that define the camera geometry parameters that configure the model to capture the geographical area, and looking down at an oblique angle; creates a ground elevation model of the ground and vertical structures within the oblique-mosaic pixel map, wherein source images were captured at an oblique angle and compass direction similar to the oblique angle and compass direction of the virtual camera; and reprojects, with the mathematical model, source oblique image pixels of the overlapping source images for pixels included in the oblique-mosaic pixel map using the ground elevation model to thereby create the oblique-mosaic image of the geographical area.
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Citations
16 Claims
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1. A system, comprising:
a computer system running image processing software that when executed by the computer system causes the computer system to; receive an identification of a desired scene of a geographical area for which an oblique-mosaic image is desired including one or more camera geometry parameters of a virtual camera; create a mathematical model of the virtual camera having mathematical values that define the camera geometry parameters that configure the mathematical model to capture the geographical area looking down at an oblique angle, the mathematical model having an oblique-mosaic pixel map of the geographical area encompassing multiple source images; create a ground elevation model of the ground and vertical structures within the oblique-mosaic pixel map using overlapping source images of the geographical area, wherein the source images were captured at an oblique angle and compass direction similar to the oblique angle and compass direction of the virtual camera; and reproject, with the mathematical model, source oblique image pixels of the overlapping source images for pixels included in the oblique-mosaic pixel map using the ground elevation model to thereby create the oblique-mosaic image of the geographical area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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receiving, with a computer system, an identification of a desired scene of a geographical area for which an oblique-mosaic image is desired including one or more camera geometry parameters of a virtual camera; creating, with the computer system, a mathematical model of the virtual camera having mathematical values that define the camera geometry parameters that configure the mathematical model to capture the geographical area looking down at an oblique angle, the mathematical model having an oblique-mosaic pixel map of the geographical area encompassing multiple source images; creating, with the computer system, a ground elevation model of the ground and vertical structures within the oblique-mosaic pixel map using overlapping source images of the geographical area, wherein the source images were captured at an oblique angle and compass direction similar to the oblique angle and compass direction of the virtual camera; and reprojecting, with the mathematical model, source oblique image pixels of the overlapping source images for pixels included in the oblique-mosaic pixel map using the ground elevation model to thereby create the oblique-mosaic image of the geographical area. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification