Method of determining and validating navigational priority settings utilizing probe data
First Claim
1. A method for determining vehicle priority settings at an intersection, comprising:
- accumulating probe data from a plurality of individual navigation units;
selecting an intersection within a digital map; and
processing said probe data by;
selecting from said probe data a plurality of probe traces at said intersection;
selecting a pair of said probe traces which enter said intersection at the same time on different trajectories;
determining which of said probe traces proceeds through said intersection first;
repeating said processing on additional pairs of said plurality of probe traces; and
deriving an intersection priority setting based on said determinations.
2 Assignments
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Accused Products
Abstract
A method for determining vehicle priority settings (30) at an intersection (26) is provided comprising accumulating probe data (24) from a plurality of individual navigation units (20). An intersection within a digital map (14) is selected, and a plurality of probe traces (32) are selected. The probe traces (32) are processed in a method characterized by selecting a pair of probe traces (32) that enter the intersection (26) at the same time on different trajectories (34). It is determined which of the probe traces (32) proceeds through the intersection first and an intersection priority matrix (36) is updated accordingly. This intersection priority matrix (36) is utilized to formulate at least one derived intersection priority setting (38).
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Citations
18 Claims
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1. A method for determining vehicle priority settings at an intersection, comprising:
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accumulating probe data from a plurality of individual navigation units; selecting an intersection within a digital map; and processing said probe data by; selecting from said probe data a plurality of probe traces at said intersection; selecting a pair of said probe traces which enter said intersection at the same time on different trajectories; determining which of said probe traces proceeds through said intersection first; repeating said processing on additional pairs of said plurality of probe traces; and deriving an intersection priority setting based on said determinations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of populating a digital map with intersection priority information, comprising:
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accumulating a plurality of probe traces from a plurality of navigation units; processing said plurality of probe traces by; selecting a pair of said probe traces which enter an intersection at the same time on different trajectories; determining which of said probe traces proceeds through said intersection first; repeating said processing on additional pairs of said plurality of probe traces; and deriving an intersection priority setting based on said determinations; and updating a digital map with said derived intersection priority setting. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification