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US 6,269,175 B1Granted
Method and apparatus for enhancing regions of aligned images using flow estimation
AssigneeSarnoff Corporation
InventorsKeith James Hanna, Rakesh Kumar, James Russell Bergen, Harpreet Singh Sawhney, Jeffrey Lubin
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Abstract
A method and apparatus for accurately computing parallax information as captured by imagery of a scene. The method computes the parallax information of each point in an image by computing the parallax within windows that are offset with respect to the point for which the parallax is being computed. Additionally, parallax computations are performed over multiple frames of imagery to ensure accuracy of the parallax computation and to facilitate correction of occluded imagery.
Claims6
A method for enhancing regions within a plurality of images comprising:
- aligning a plurality of images to form a plurality of aligned images;
- computing a flow estimation for each of said aligned images;
- identifying said flow estimation having the lowest error;
- identifying, in response to said identified flow estimation, regions in a first aligned image;
- and
- enhancing said regions in said first aligned image with information from at least one other aligned image.
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Dependencies are inferred from the claim text.