Title:
DEVICE AND METHOD FOR DETECTING TRAFFIC FLOW ABNORMALITY
Document Type and Number:
Japanese Patent JP3963085
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a device and a method for detecting abnormality in traffic flow which can securely detect outbreak event on a road with small error.
SOLUTION: A decision part 22 of a computer 11 computes the lane utilization rate for some lanes of a multi-lane road and decides that an outbreak event has occured on the road, if the computed lane utilization rate devices greatly from a value which is normally about 0.5.
Inventors:
Osamu Hattori
Hiroshi Shimoura
Tenmoku Kenji
Hiroshi Shimoura
Tenmoku Kenji
Application Number:
JP2001211154A
Publication Date:
August 22, 2007
Filing Date:
July 11, 2001
Export Citation:
Assignee:
Sumitomo Electric Industries, Ltd.
International Classes:
G08B25/04; G08G1/00; G08B25/08; G08G1/01; G08G1/09; (IPC1-7): G08G1/00; G08B25/04; G08B25/08; G08G1/01; G08G1/09
Domestic Patent References:
| JP6076195A | ||||
| JP1149199A | ||||
| JP5290292A | ||||
| JP11110685A | ||||
| JP8022592A | ||||
| JP10124791A | ||||
| JP2000222669A | ||||
| JP6274786A | ||||
| JP10134295A |
Attorney, Agent or Firm:
Inaoka cultivation
Mio Kawasaki
Mio Kawasaki
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