Traffic signal cycle estimation device and traffic signal cycle estimation method
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United States of America Patent
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May 13, 2014
Grant Date -
Apr 25, 2013
app pub date -
Jun 17, 2010
filing date -
Jun 17, 2010
priority date (Note) -
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Abstract
A traffic signal cycle estimation device 2 is provided, which includes a travel time acquisition unit 4 acquiring a traffic signal section travel time, a frequency distribution calculation unit 5 calculating a frequency distribution of the traffic signal section travel times on the basis of the traffic signal section travel times, a travel time group determination unit 6 determining a first travel time group in which the vehicle does not stop at the traffic signal and a second travel time group in which the vehicle stops at the traffic signal on the basis of the frequency distribution of the traffic signal section travel times, and a traffic signal cycle estimation unit 7 estimating cycle information of the traffic signal on the basis of a difference between the first travel time group and the second travel time group.
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