Multi-sensor information fusion technique
First Claim
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1. A system to determine a most likely position of an object, said system comprising:
- a plurality of sensors each providing a location of the object with an associated sensor uncertainty distribution; and
a data processor for combining the location data from selected sensors and the associated sensor uncertainty distributions to generate a value indicative of the most likely position of the object.
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Abstract
The invention is a method and system for aggregating quantitative data and qualitative information from a plurality of sensors, each sensor having a plurality of associated sensor uncertainties, to determine the most likely position of an object and an associated probability distribution for the most likely position of the object. Statistical analysis and probability theory is preferably used to more accurately locate the object and to minimize the range of the associated probability distribution. The method and system are applicable for locating and tracking a plurality of objects.
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Citations
29 Claims
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1. A system to determine a most likely position of an object, said system comprising:
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a plurality of sensors each providing a location of the object with an associated sensor uncertainty distribution; and
a data processor for combining the location data from selected sensors and the associated sensor uncertainty distributions to generate a value indicative of the most likely position of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method to determine a most likely position of an object, said method receiving location data and uncertainty distributions from a plurality of sensors;
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combining the location data and uncertainty distributions to generate a value indicative of the most likely position of the object; and
combining the location data and uncertainty distributions to generate a probability distribution for the most likely position of the object. - View Dependent Claims (25, 26, 27)
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- 28. A method to determine a global position of an object, said method receiving from a plurality of local systems, data on the most likely position of the object.
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