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Traffic increase or decrease detection system , traffic increase and decrease detection devices , traffic signals increase or decrease detection method and a computer program .
Traffic increase or decrease detection system , traffic increase and decrease detection devices , traffic signals increase or decrease detection method and a computer program .
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机译：交通增减检测系统，交通增减检测设备，交通信号增减检测方法及计算机程序。
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摘要
PROBLEM TO BE SOLVED: To provide a traffic light increase/decrease detection system, a traffic light increase/decrease detection method and a computer program in which an actual guided branch point is prevented from becoming different from a branch point specified by guide.;SOLUTION: When a vehicle 3 is deviated from a guided route set to a navigation system 2 and rerouting occurs, information relating to a vehicle situation in the case where rerouting is performed, is transmitted to a probe center 4 as probe information. If it is determined that the vehicle is deviated from the guided route by entering a road connected along the road from the guided branch point, on the other hand, the probe center 4 which receives the probe information, detects that a traffic light has been removed (S33) on the basis of the received probe information. If it is determined that the vehicle is deviated from the guided route by entering a road connected in a different direction from the direction along with the route at a branch point different from the guided branch point, the probe center detects that a traffic light is provided newly (S37, S39).;COPYRIGHT: (C)2013,JPO&INPIT
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