Vision-based navigation system incorporating high-confidence error overbounding of multiple optical poses

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12198380
APP PUB NO 20230222690A1
SERIAL NO

17685032

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Abstract

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A system and method for high-confidence error overbounding of multiple optical pose solutions receives a set of candidate correspondences between 2D image features captured by an aircraft camera and 3D constellation features including at least one ambiguous correspondence. A candidate estimate of the optical pose of the camera is determined for each of a set of candidate correspondence maps (CMAP), each CMAP resolving the ambiguities differently. Each candidate pose estimate is evaluated for viability and any non-viable estimates eliminated. An individual error bound is determined for each viable candidate pose estimate and CMAP, and based on the set of individual error bounds a multiple-pose containment error bound is determined, bounding with high confidence the set of candidate CMAPs and multiple pose estimates where at least one is correct. The containment error bound may be evaluated for accuracy as required for flight operations performed by aircraft-based instruments and systems.

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Patent Owner(s)

Patent OwnerAddress
ROCKWELL COLLINS INC400 COLLINS ROAD NE LINN BUILDING 105 CEDAR RAPIDS IA 52498

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Robert B Sterling, US 24 249
Boggs, Christopher M Gainesville, US 18 48
Lahr, Weston J Sherwood, US 31 131
Rademaker, Richard M Cedar Rapids, US 34 465

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