CA2324112A1 - A method and system for monitoring or scanning an object, material or the like - Google Patents

A method and system for monitoring or scanning an object, material or the like Download PDF

Info

Publication number
CA2324112A1
CA2324112A1 CA002324112A CA2324112A CA2324112A1 CA 2324112 A1 CA2324112 A1 CA 2324112A1 CA 002324112 A CA002324112 A CA 002324112A CA 2324112 A CA2324112 A CA 2324112A CA 2324112 A1 CA2324112 A1 CA 2324112A1
Authority
CA
Canada
Prior art keywords
value
line
difference
reference value
pixel
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.)
Abandoned
Application number
CA002324112A
Other languages
English (en)
French (fr)
Inventor
Goran Asemyr
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.)
PHOTONIC SYSTEMS AB
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20410844&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2324112(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2324112A1 publication Critical patent/CA2324112A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G01N21/8903—Optical details; Scanning details using a multiple detector array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA002324112A 1998-04-02 1999-03-31 A method and system for monitoring or scanning an object, material or the like Abandoned CA2324112A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9801170A SE9801170L (sv) 1998-04-02 1998-04-02 Förfarande och system för övervakning eller avsökning av ett föremål, material eller dylikt
SE9801170-3 1998-04-02
PCT/SE1999/000541 WO1999051969A1 (en) 1998-04-02 1999-03-31 A method and system for monitoring or scanning an object, material or the like

Publications (1)

Publication Number Publication Date
CA2324112A1 true CA2324112A1 (en) 1999-10-14

Family

ID=20410844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002324112A Abandoned CA2324112A1 (en) 1998-04-02 1999-03-31 A method and system for monitoring or scanning an object, material or the like

Country Status (6)

Country Link
EP (1) EP1086368A1 (de)
JP (1) JP2002510815A (de)
CA (1) CA2324112A1 (de)
NO (1) NO20004821L (de)
SE (1) SE9801170L (de)
WO (1) WO1999051969A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0101374L (sv) 2001-04-19 2002-10-20 Svante Bjoerk Ab Förfarande och anordning för optisk avsyning
CN109027514A (zh) * 2018-08-17 2018-12-18 江苏火禾信息技术有限公司 一种地下管道检测装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277803A (en) * 1980-05-12 1981-07-07 Fuji Electric Co., Ltd. Automatic product checking system
NL8401416A (nl) * 1984-05-03 1985-12-02 Thomassen & Drijver Inrichting voor het opsporen van houders met een afwijkende eigenschap.
GB2248685B (en) * 1990-09-17 1994-10-19 Fmc Corp High-resolution vision system for part inspection
JPH04319651A (ja) * 1991-04-19 1992-11-10 Inax Corp タイルユニットの検査方法
JPH0820375B2 (ja) * 1991-04-19 1996-03-04 株式会社イナックス タイルユニットの検査方法
FI101327B (fi) * 1996-09-19 1998-05-29 Valtion Teknillinen ON-line menetelmä puu-kuorisuhteen määrittämiseksi massavirrasta

Also Published As

Publication number Publication date
SE9801170L (sv) 1999-10-03
SE9801170D0 (sv) 1998-04-02
EP1086368A1 (de) 2001-03-28
NO20004821L (no) 2000-12-04
NO20004821D0 (no) 2000-09-26
JP2002510815A (ja) 2002-04-09
WO1999051969A1 (en) 1999-10-14

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued