ASSESSING ROAD TRAFFIC FLOW CONDITIONS USING DATA OBTAINED FROM MOBILE DATA SOURCES
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Accused Products
Abstract
Techniques are described for assessing road traffic conditions in various ways based on obtained traffic-related data, such as data samples from vehicles and other mobile data sources traveling on the roads, as well as in some situations data from one or more other sources (such as physical sensors near to or embedded in the roads). The assessment of road traffic conditions based on obtained data samples may include various filtering and/or conditioning of the data samples, and various inferences and probabilistic determinations of traffic-related characteristics from the data samples. In some situations, the inferences based on the data samples includes repeatedly determining traffic flow characteristics for road segments of interest during periods of time, such as to determine traffic volume and/or average occupancy of the road.
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Citations
63 Claims
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1-41. -41. (canceled)
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42. A non-transitory computer-readable medium whose stored contents configure a computing device to estimate traffic flow information for traveling vehicles, by performing a method comprising:
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receiving an indication of multiple data samples that each reflect travel of one of multiple vehicles on a road; probabilistically estimating traffic flow of all vehicles traveling on the road during a period of time based at least in part on a quantity of vehicles whose travel is reflected by the data samples, the probabilistic estimating being performed by the configured computing device; and providing an indication of the estimated traffic flow for use in facilitating travel on the road. - View Dependent Claims (43, 44, 45, 47)
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46. (canceled)
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48. A computing system configured to estimate traffic flow information for traveling vehicles, comprising:
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one or more processors; a first component that is configured to, when executed by at least one of the one or more processors, and for each of multiple roads, receive an indication of multiple data samples associated with the road that each include information representing travel of a vehicle on the road; and a data sample flow assessor component that is configured to, when executed by at least one of the one or more processors, and for each of the multiple roads, determine a quantity of one or more vehicles whose travel on the road during a period of time is represented by the information of the data samples associated with the road, the one or more vehicles being a subset of all vehicles traveling on the road during the period of time; generate a probabilistic estimate of traffic flow of all the vehicles traveling on the road during the period of time based at least in part on the determined quantity of vehicles; and provide an indication of the estimated traffic flow for use in facilitating travel on the road. - View Dependent Claims (49, 50, 51, 52)
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53. A computer-implemented method for estimating traffic flow information for traveling vehicles, the method comprising:
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receiving an indication of multiple data samples that each reflect travel of one of multiple vehicles on a road; probabilistically estimating traffic flow of all vehicles traveling on the road during a period of time based at least in part on a quantity of vehicles whose travel is reflected by the data samples, the probabilistic estimating being performed by a configured computing system; and providing an indication of the estimated traffic flow for use in facilitating travel on the road. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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Specification