JP7188604B2 - 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器 - Google Patents

光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器 Download PDF

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Publication number
JP7188604B2
JP7188604B2 JP2021541820A JP2021541820A JP7188604B2 JP 7188604 B2 JP7188604 B2 JP 7188604B2 JP 2021541820 A JP2021541820 A JP 2021541820A JP 2021541820 A JP2021541820 A JP 2021541820A JP 7188604 B2 JP7188604 B2 JP 7188604B2
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Prior art keywords
traffic accident
road
optical fiber
vibration
vibration pattern
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Japanese (ja)
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JPWO2021038695A1 (https=
JPWO2021038695A5 (https=
Inventor
俊明 田中
伸一 宮本
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NEC Corp
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NEC Corp
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Priority to JP2022190950A priority Critical patent/JP7332020B2/ja
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • G06V20/54—Surveillance or monitoring of activities, e.g. for recognising suspicious objects of traffic, e.g. cars on the road, trains or boats
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)
JP2021541820A 2019-08-26 2019-08-26 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器 Active JP7188604B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022190950A JP7332020B2 (ja) 2019-08-26 2022-11-30 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器

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PCT/JP2019/033368 WO2021038695A1 (ja) 2019-08-26 2019-08-26 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器

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JP2022190950A Division JP7332020B2 (ja) 2019-08-26 2022-11-30 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器

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JPWO2021038695A1 JPWO2021038695A1 (https=) 2021-03-04
JPWO2021038695A5 JPWO2021038695A5 (https=) 2022-04-20
JP7188604B2 true JP7188604B2 (ja) 2022-12-13

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JP2021541820A Active JP7188604B2 (ja) 2019-08-26 2019-08-26 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器
JP2022190950A Active JP7332020B2 (ja) 2019-08-26 2022-11-30 光ファイバセンシングシステム、道路監視方法、及び光ファイバセンシング機器

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US (1) US20220327923A1 (https=)
JP (2) JP7188604B2 (https=)
WO (1) WO2021038695A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12327473B2 (en) * 2020-01-31 2025-06-10 Nec Corporation Vehicle monitoring system, vehicle monitoring method, and vehicle monitoring apparatus
US20240169827A1 (en) * 2021-03-04 2024-05-23 Nec Corporation Traffic monitoring apparatus, traffic monitoring system, traffic monitoring method, and non-transitory storage medium
JP7635830B2 (ja) * 2021-04-09 2025-02-26 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及び道路監視プログラム
CN113838300A (zh) * 2021-09-26 2021-12-24 武汉理工大学 一种高速公路突发事故无盲区实时监测与报警系统
JPWO2023053179A1 (https=) * 2021-09-28 2023-04-06
WO2024176278A1 (ja) * 2023-02-20 2024-08-29 日本電信電話株式会社 道路の振動を解析する装置及び方法
WO2024176277A1 (ja) * 2023-02-20 2024-08-29 日本電信電話株式会社 道路の振動を解析する装置及び方法
WO2024201664A1 (ja) * 2023-03-27 2024-10-03 日本電気株式会社 監視システム、監視装置、及び監視方法
US20250124345A1 (en) * 2023-10-17 2025-04-17 Nec Laboratories America, Inc. Separating temperature and traffic information from complex dfos data
CN117858318B (zh) * 2024-03-08 2024-05-07 四川九通智路科技有限公司 一种公路隧道灯光调节方法及调节系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004252520A (ja) 2003-02-18 2004-09-09 Sumitomo Electric Ind Ltd 道路監視システム
JP2009075000A (ja) 2007-09-21 2009-04-09 Furukawa Electric Co Ltd:The 光ファイバによる振動・衝撃位置検知装置
US20160275788A1 (en) 2015-03-16 2016-09-22 University Of Electronic Science And Technology Of China Online traffic volume monitoring system and method based on phase-sensitive optical time domain reflectometry
WO2020116030A1 (ja) 2018-12-03 2020-06-11 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及び非一時的なコンピュータ可読媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1069594A (ja) * 1996-08-28 1998-03-10 Toyota Motor Corp 車両事故検出装置
GB201519202D0 (en) * 2015-10-30 2015-12-16 Optasense Holdings Ltd Monitoring traffic flow
CN107591002B (zh) * 2017-09-21 2020-06-02 电子科技大学 一种基于分布式光纤的高速公路交通参数实时估计方法
WO2020161823A1 (ja) * 2019-02-06 2020-08-13 日本電気株式会社 光ファイバセンシングシステム、監視装置、監視方法、及びコンピュータ可読媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004252520A (ja) 2003-02-18 2004-09-09 Sumitomo Electric Ind Ltd 道路監視システム
JP2009075000A (ja) 2007-09-21 2009-04-09 Furukawa Electric Co Ltd:The 光ファイバによる振動・衝撃位置検知装置
US20160275788A1 (en) 2015-03-16 2016-09-22 University Of Electronic Science And Technology Of China Online traffic volume monitoring system and method based on phase-sensitive optical time domain reflectometry
WO2020116030A1 (ja) 2018-12-03 2020-06-11 日本電気株式会社 道路監視システム、道路監視装置、道路監視方法、及び非一時的なコンピュータ可読媒体

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US20220327923A1 (en) 2022-10-13
JP7332020B2 (ja) 2023-08-23
JPWO2021038695A1 (https=) 2021-03-04
WO2021038695A1 (ja) 2021-03-04
JP2023014212A (ja) 2023-01-26

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