Method and system for navigation of an ummanned aerial vehicle in an urban environment

Method and system for navigation of an ummanned aerial vehicle in an urban environment

A method and system for navigation of an unmanned aerial vehicle (UAV) in an urban environment are provided. The method comprises capturing a first set of Global Positioning System (GPS)-tagged images in an initial fly-over of the urban environment at a first altitude, with each of the GPS-tagged im...

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Hauptverfasser: STRELOW DENNIS W, TOUCHBERRY ALAN B
Format: Patent
Sprache:eng
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GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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creator STRELOW DENNIS W
TOUCHBERRY ALAN B
description A method and system for navigation of an unmanned aerial vehicle (UAV) in an urban environment are provided. The method comprises capturing a first set of Global Positioning System (GPS)-tagged images in an initial fly-over of the urban environment at a first altitude, with each of the GPS-tagged images being related to respective GPS-aided positions. The captured GPS-tagged images are stitched together into an image mosaic using the GPS-aided positions. A second set of images is captured in a subsequent fly-over of the urban environment at a second altitude that is lower than the first altitude. Image features from the second set of images are matched with image features from the image mosaic during the subsequent fly-over. A current position of the UAV relative to the GPS-aided positions is calculated based on the matched image features from the second set of images and the image mosaic.
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subjects GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
title Method and system for navigation of an ummanned aerial vehicle in an urban environment
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