JPWO2022215246A1 - - Google Patents

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Publication number
JPWO2022215246A1
JPWO2022215246A1 JP2023512621A JP2023512621A JPWO2022215246A1 JP WO2022215246 A1 JPWO2022215246 A1 JP WO2022215246A1 JP 2023512621 A JP2023512621 A JP 2023512621A JP 2023512621 A JP2023512621 A JP 2023512621A JP WO2022215246 A1 JPWO2022215246 A1 JP WO2022215246A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2023512621A
Other languages
Japanese (ja)
Other versions
JPWO2022215246A5 (ja
JP7635830B2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed filed Critical
Publication of JPWO2022215246A1 publication Critical patent/JPWO2022215246A1/ja
Publication of JPWO2022215246A5 publication Critical patent/JPWO2022215246A5/ja
Application granted granted Critical
Publication of JP7635830B2 publication Critical patent/JP7635830B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12002—Three-dimensional structures
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • 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
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
    • 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
    • G08G1/02—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G02B2006/12138—Sensor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Traffic Control Systems (AREA)
JP2023512621A 2021-04-09 2021-04-09 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 Active JP7635830B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/015007 WO2022215246A1 (ja) 2021-04-09 2021-04-09 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

Publications (3)

Publication Number Publication Date
JPWO2022215246A1 true JPWO2022215246A1 (https=) 2022-10-13
JPWO2022215246A5 JPWO2022215246A5 (ja) 2024-01-16
JP7635830B2 JP7635830B2 (ja) 2025-02-26

Family

ID=83545811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023512621A Active JP7635830B2 (ja) 2021-04-09 2021-04-09 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

Country Status (3)

Country Link
US (1) US12347311B2 (https=)
JP (1) JP7635830B2 (https=)
WO (1) WO2022215246A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12347311B2 (en) * 2021-04-09 2025-07-01 Nec Corporation Road monitoring system, road monitoring device, and road monitoring method
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

Citations (2)

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CN107591002A (zh) * 2017-09-21 2018-01-16 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
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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DE19606258C1 (de) * 1996-02-06 1997-04-30 Mannesmann Ag Fahrzeugautonome Detektion von Verkehrsstau
GB0919899D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Fibre optic distributed sensing
US9754226B2 (en) * 2011-12-13 2017-09-05 Microsoft Technology Licensing, Llc Urban computing of route-oriented vehicles
GB2513399B (en) * 2013-04-26 2017-07-26 Optasense Holdings Ltd Traffic Monitoring
US9069080B2 (en) * 2013-05-24 2015-06-30 Advanced Scientific Concepts, Inc. Automotive auxiliary ladar sensor
US9575184B2 (en) * 2014-07-03 2017-02-21 Continental Advanced Lidar Solutions Us, Inc. LADAR sensor for a dense environment
CN104700624B (zh) * 2015-03-16 2017-07-07 电子科技大学 基于相敏光时域反射仪的车流量在线监测系统的监测方法
GB201519202D0 (en) * 2015-10-30 2015-12-16 Optasense Holdings Ltd Monitoring traffic flow
JP6610775B2 (ja) * 2016-04-14 2019-11-27 日本電気株式会社 光ファイバセンサ、及び光ファイバセンサシステム
US10042055B2 (en) * 2016-04-20 2018-08-07 Here Global B.V. Traffic volume estimation
US9965950B2 (en) * 2016-06-03 2018-05-08 Here Global B.V. Method and apparatus for classifying a traffic jam from probe data
WO2018045433A1 (en) * 2016-09-08 2018-03-15 Mark Andrew Englund Method and system for distributed acoustic sensing
EP3309721A1 (en) * 2016-09-23 2018-04-18 KPIT Technologies Ltd. Autonomous system validation
US10255514B2 (en) * 2017-08-21 2019-04-09 Sap Se Automatic identification of cloned vehicle identifiers
US20190079526A1 (en) * 2017-09-08 2019-03-14 Uber Technologies, Inc. Orientation Determination in Object Detection and Tracking for Autonomous Vehicles
US10836379B2 (en) * 2018-03-23 2020-11-17 Sf Motors, Inc. Multi-network-based path generation for vehicle parking
US11391622B2 (en) * 2019-02-06 2022-07-19 Nec Corporation Optical fiber sensing system with reduced spatial resolution and noise for multiple application uses
WO2020178976A1 (ja) * 2019-03-05 2020-09-10 日本電気株式会社 センサ信号処理装置およびセンサ信号処理方法
US11468667B2 (en) 2019-06-19 2022-10-11 Nec Corporation Distributed intelligent traffic informatics using fiber sensing
JP7188604B2 (ja) * 2019-08-26 2022-12-13 日本電気株式会社 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
WO2021176683A1 (ja) * 2020-03-06 2021-09-10 日本電気株式会社 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置
JP7424511B2 (ja) * 2020-11-10 2024-01-30 日本電気株式会社 距離補正装置及び距離補正方法
US11450204B2 (en) * 2020-12-01 2022-09-20 Verizon Patent And Licensing Inc. Systems and methods for fiber optic based vehicle-direction detection
US12347311B2 (en) * 2021-04-09 2025-07-01 Nec Corporation Road monitoring system, road monitoring device, and road monitoring method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107591002A (zh) * 2017-09-21 2018-01-16 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
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

Also Published As

Publication number Publication date
US12347311B2 (en) 2025-07-01
JP7635830B2 (ja) 2025-02-26
WO2022215246A1 (ja) 2022-10-13
US20240161609A1 (en) 2024-05-16

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