Automated sliver removal in orthomosaic generation
First Claim
Patent Images
1. A computer-implemented process for improving an orthomosaic composed of portions from a plurality of different images, comprising:
- providing an orthomosaic composed of portions of a first image and portions of a second image, wherein the first image was captured later in time than the second image, and wherein whenever the first image and the second image have one or more portions that overlap with each other, the first image is used for the overlapping portions;
automatically detecting with a computer one or more slivers in the orthomosaic by identifying one or more portions of the first image in the orthomosaic that have a width less than a predetermined width and a length greater than a predetermined length; and
automatically removing with a computer one or more slivers along a perimeter of the orthomosaic, wherein the one or more slivers are from the first image.
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Abstract
Techniques for automatically removing slivers from orthomosaics. First, slivers may be identified, which may be based upon user-configurable characteristics such as width and length. Second, slivers may be replaced with portions of another image, such as an older image. Third, boundary slivers may optionally be removed. Fourth, remaining boundary or interior slivers can be inflated by expanding the sliver until it is no longer a sliver, which may include replacing a portion of an adjacent image portion with older imagery.
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Citations
10 Claims
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1. A computer-implemented process for improving an orthomosaic composed of portions from a plurality of different images, comprising:
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providing an orthomosaic composed of portions of a first image and portions of a second image, wherein the first image was captured later in time than the second image, and wherein whenever the first image and the second image have one or more portions that overlap with each other, the first image is used for the overlapping portions; automatically detecting with a computer one or more slivers in the orthomosaic by identifying one or more portions of the first image in the orthomosaic that have a width less than a predetermined width and a length greater than a predetermined length; and automatically removing with a computer one or more slivers along a perimeter of the orthomosaic, wherein the one or more slivers are from the first image. - View Dependent Claims (2, 3, 4)
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5. A computer-implemented process for improving an orthomosaic composed of portions from a plurality of different images, comprising:
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providing an orthomosaic composed of portions of a first image and portions of a second image, wherein the first image was captured later in time than the second image, and wherein whenever the first image and the second image have one or more portions that overlap with each other, the first image is used for the overlapping portions; automatically detecting with a computer one or more slivers in the orthomosaic by identifying one or more portions of the second image in the orthomosaic that have a width less than a predetermined width and a length greater than a predetermined length; and automatically inflating with a computer one or more of the slivers from the second image by using additional adjacent imagery from the second image until the one or more slivers from the second image has a width equal to or greater than the predetermined width. - View Dependent Claims (6, 7, 8, 9, 10)
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Specification