DE69700678T2 - Verfahren und Vorrichtung zum Extrahieren von Anschlussbereichen im B-Leuchtschirmbild - Google Patents

Verfahren und Vorrichtung zum Extrahieren von Anschlussbereichen im B-Leuchtschirmbild

Info

Publication number
DE69700678T2
DE69700678T2 DE69700678T DE69700678T DE69700678T2 DE 69700678 T2 DE69700678 T2 DE 69700678T2 DE 69700678 T DE69700678 T DE 69700678T DE 69700678 T DE69700678 T DE 69700678T DE 69700678 T2 DE69700678 T2 DE 69700678T2
Authority
DE
Germany
Prior art keywords
reflection echo
allocated
detected
allocation number
screen image
Prior art date
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.)
Expired - Fee Related
Application number
DE69700678T
Other languages
English (en)
Other versions
DE69700678D1 (de
Inventor
Kingo Ozawa
Michihisa Doh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokimec Inc
Original Assignee
Tokimec Inc
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 Tokimec Inc filed Critical Tokimec Inc
Application granted granted Critical
Publication of DE69700678D1 publication Critical patent/DE69700678D1/de
Publication of DE69700678T2 publication Critical patent/DE69700678T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52053—Display arrangements
    • G01S7/52057—Cathode ray tube displays
    • G01S7/52073—Production of cursor lines, markers or indicia by electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/262—Linear objects
    • G01N2291/2623—Rails; Railroads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Studio Circuits (AREA)
DE69700678T 1996-03-29 1997-03-27 Verfahren und Vorrichtung zum Extrahieren von Anschlussbereichen im B-Leuchtschirmbild Expired - Fee Related DE69700678T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07550196A JP3469389B2 (ja) 1996-03-29 1996-03-29 Ｂスコープ画像の連結領域抽出方法及び装置

Publications (2)

Publication Number Publication Date
DE69700678D1 DE69700678D1 (de) 1999-12-02
DE69700678T2 true DE69700678T2 (de) 2000-03-23

Family

ID=13578076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69700678T Expired - Fee Related DE69700678T2 (de) 1996-03-29 1997-03-27 Verfahren und Vorrichtung zum Extrahieren von Anschlussbereichen im B-Leuchtschirmbild

Country Status (5)

Country Link
EP (1) EP0798569B1 (de)
JP (1) JP3469389B2 (de)
KR (1) KR100284811B1 (de)
AT (1) ATE186123T1 (de)
DE (1) DE69700678T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2779697B1 (fr) * 1998-06-12 2002-07-19 Siemens Ag Procede et dispositif pour evaluer l'etat des rails d'une voie
JP4632475B2 (ja) * 2000-03-03 2011-02-16 東京計器株式会社 反射源位置特定方法、反射源位置特定装置、被検査体傷判定方法及び被検査体傷判定装置
GB2398946A (en) * 2003-02-22 2004-09-01 Qinetiq Ltd Microwave radar detection of surface discontinuities
FR2851662B1 (fr) * 2003-02-24 2006-08-25 Socomate Internat Procede et dispositif de detection de discontinuites dans un milieu
JP2009236794A (ja) * 2008-03-28 2009-10-15 Sumitomo Metal Ind Ltd 管の超音波探傷方法及び装置
CN109828026B (zh) * 2019-02-13 2021-09-10 汕头大学 一种高速轨道缺陷并行超声波成像检测及其智能学习方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332016A (en) * 1979-01-26 1982-05-25 A/S Tomra Systems Method, apparatus and transducer for measurement of dimensions
FI65677C (fi) * 1981-02-09 1984-06-11 Esko Alasaarela Holografisk b-avbildningsmetod
US4554834A (en) * 1983-10-28 1985-11-26 Carnegie-Mellon University Acoustic sensor and method of using same for determining the position of a tool relative to a workpiece
US5224175A (en) * 1987-12-07 1993-06-29 Gdp Technologies, Inc. Method for analyzing a body tissue ultrasound image
US4945766A (en) * 1989-09-08 1990-08-07 General Motors Corporation Method and apparatus for ultrasonic inspection
JPH04166760A (ja) * 1990-10-30 1992-06-12 Hitachi Constr Mach Co Ltd レール用超音波探傷装置
US5214744A (en) * 1990-12-14 1993-05-25 Westinghouse Electric Corp. Method and apparatus for automatically identifying targets in sonar images
NO943269D0 (no) * 1994-09-02 1994-09-02 Vingmed Sound As Fremgangsmåte for analyse og måling av ultralydsignaler

Also Published As

Publication number Publication date
DE69700678D1 (de) 1999-12-02
KR100284811B1 (ko) 2001-06-01
EP0798569B1 (de) 1999-10-27
KR970066566A (ko) 1997-10-13
ATE186123T1 (de) 1999-11-15
JP3469389B2 (ja) 2003-11-25
EP0798569A1 (de) 1997-10-01
JPH09264881A (ja) 1997-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee