SG11202109174SA - Magnetic marker diagnostic system and diagnostic method - Google Patents

Magnetic marker diagnostic system and diagnostic method

Info

Publication number
SG11202109174SA
SG11202109174SA SG11202109174SA SG11202109174SA SG11202109174SA SG 11202109174S A SG11202109174S A SG 11202109174SA SG 11202109174S A SG11202109174S A SG 11202109174SA SG 11202109174S A SG11202109174S A SG 11202109174SA SG 11202109174S A SG11202109174S A SG 11202109174SA
Authority
SG
Singapore
Prior art keywords
diagnostic
magnetic marker
diagnostic system
diagnostic method
magnetic
Prior art date
Application number
SG11202109174SA
Inventor
Michiharu Yamamoto
Hitoshi Aoyama
Original Assignee
Aichi Steel Corp
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.)
Filing date
Publication date
Application filed by Aichi Steel Corp filed Critical Aichi Steel Corp
Publication of SG11202109174SA publication Critical patent/SG11202109174SA/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0259—Control of position or course in two dimensions specially adapted to land vehicles using magnetic or electromagnetic means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/20—Control system inputs
    • G05D1/24—Arrangements for determining position or orientation
    • G05D1/243—Means capturing signals occurring naturally from the environment, e.g. ambient optical, acoustic, gravitational or magnetic signals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30248—Vehicle exterior or interior
    • G06T2207/30252—Vehicle exterior; Vicinity of vehicle
    • G06T2207/30256—Lane; Road marking

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Quality & Reliability (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Traffic Control Systems (AREA)
SG11202109174SA 2019-02-23 2020-02-21 Magnetic marker diagnostic system and diagnostic method SG11202109174SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019031100 2019-02-23
PCT/JP2020/007251 WO2020171232A1 (en) 2019-02-23 2020-02-21 Magnetic marker diagnostic system and diagnostic method

Publications (1)

Publication Number Publication Date
SG11202109174SA true SG11202109174SA (en) 2021-09-29

Family

ID=72144905

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109174SA SG11202109174SA (en) 2019-02-23 2020-02-21 Magnetic marker diagnostic system and diagnostic method

Country Status (6)

Country Link
US (1) US11982639B2 (en)
EP (1) EP3929689B1 (en)
JP (1) JP7355102B2 (en)
CN (1) CN113454556A (en)
SG (1) SG11202109174SA (en)
WO (1) WO2020171232A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6965815B2 (en) * 2018-04-12 2021-11-10 愛知製鋼株式会社 Marker detection system and operation method of marker detection system
JP2022158105A (en) * 2021-04-01 2022-10-17 愛知製鋼株式会社 Magnetic marker detection method and system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3069695B1 (en) * 1999-03-29 2000-07-24 建設省土木研究所長 Marker laying method and apparatus
JP2001307284A (en) * 2000-04-26 2001-11-02 Oki Electric Ind Co Ltd System for detecting failure of traffic lane overrun preventive device
KR100487737B1 (en) * 2000-07-12 2005-05-03 제이에프이 스틸 가부시키가이샤 Leakage flux flaw detecting method and method for manufacturing hot rolled steel sheet using the same
JP2002063682A (en) * 2000-08-21 2002-02-28 Nec Corp Traveling position detector
KR20040100349A (en) * 2003-05-22 2004-12-02 주식회사 스펙트럼통신기술 Method and system for detecting vehicle information using embedded apparatus
JP2005202478A (en) 2004-01-13 2005-07-28 Denso Corp Automatic traveling system for vehicle
US9784843B2 (en) * 2012-01-17 2017-10-10 Limn Tech LLC Enhanced roadway mark locator, inspection apparatus, and marker
JP6172237B2 (en) * 2015-10-23 2017-08-02 愛知製鋼株式会社 Magnetic marker detection method and magnetic marker detection apparatus
JP6195040B1 (en) * 2016-02-16 2017-09-13 愛知製鋼株式会社 Work vehicle system and magnetic marker working method
EP3451310B1 (en) * 2016-04-28 2020-10-28 Aichi Steel Corporation Driving assistance system
JP6946695B2 (en) * 2017-03-30 2021-10-06 愛知製鋼株式会社 Marker system
EP3605487A4 (en) * 2017-03-28 2020-10-07 Aichi Steel Corporation Marker system
CN110741285B (en) 2017-06-14 2022-05-27 爱知制钢株式会社 Marker detection method and system for vehicle
JP6885207B2 (en) 2017-06-14 2021-06-09 愛知製鋼株式会社 Marker detection method and vehicle system

Also Published As

Publication number Publication date
WO2020171232A1 (en) 2020-08-27
EP3929689A4 (en) 2022-11-16
US20220120710A1 (en) 2022-04-21
EP3929689A1 (en) 2021-12-29
US11982639B2 (en) 2024-05-14
JP7355102B2 (en) 2023-10-03
CN113454556A (en) 2021-09-28
JPWO2020171232A1 (en) 2021-12-16
EP3929689B1 (en) 2023-11-29

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