Digital watermarks for unmanned vehicle navigation
First Claim
Patent Images
1. A method for automated navigation comprising:
- capturing an image scan of a digital watermark on an object;
extracting orientation and location information of an image sensor relative to the object from the digital watermark;
performing object identification based on auxiliary information carried in the digital watermark; and
using the orientation, location and object identification information to control movement of a vehicle.
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Abstract
Digital watermarks embedded in objects enable watermark readers in vehicles to identify the objects and determine their orientation and location for use in navigation.
123 Citations
11 Claims
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1. A method for automated navigation comprising:
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capturing an image scan of a digital watermark on an object;
extracting orientation and location information of an image sensor relative to the object from the digital watermark;
performing object identification based on auxiliary information carried in the digital watermark; and
using the orientation, location and object identification information to control movement of a vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for automated navigation comprising:
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a sensor for capturing an image scan of a digital watermark on an object;
a reader for extracting orientation and location information of an image sensor relative to the object from the digital watermark, and for performing object identification based on auxiliary information carried in the digital watermark; and
a navigation controller for using the orientation, location and object identification information to control movement of a vehicle.
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Specification