GB2253697B - Anomaly detector - Google Patents

Anomaly detector

Info

Publication number
GB2253697B
GB2253697B GB9202752A GB9202752A GB2253697B GB 2253697 B GB2253697 B GB 2253697B GB 9202752 A GB9202752 A GB 9202752A GB 9202752 A GB9202752 A GB 9202752A GB 2253697 B GB2253697 B GB 2253697B
Authority
GB
United Kingdom
Prior art keywords
anomaly detector
anomaly
detector
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
GB9202752A
Other versions
GB2253697A (en
GB9202752D0 (en
Inventor
Stephen Piers Luttrell
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9202752D0 publication Critical patent/GB9202752D0/en
Publication of GB2253697A publication Critical patent/GB2253697A/en
Application granted granted Critical
Publication of GB2253697B publication Critical patent/GB2253697B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06T7/0004—Industrial image inspection
    • 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
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8983—Irregularities in textured or patterned surfaces, e.g. textiles, wood for testing textile webs, i.e. woven material
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20076—Probabilistic image processing
    • 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
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30124—Fabrics; Textile; Paper

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
GB9202752A 1991-03-13 1992-02-10 Anomaly detector Expired - Fee Related GB2253697B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919105358A GB9105358D0 (en) 1991-03-13 1991-03-13 Anomaly detector

Publications (3)

Publication Number Publication Date
GB9202752D0 GB9202752D0 (en) 1992-03-25
GB2253697A GB2253697A (en) 1992-09-16
GB2253697B true GB2253697B (en) 1994-09-07

Family

ID=10691531

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919105358A Pending GB9105358D0 (en) 1991-03-13 1991-03-13 Anomaly detector
GB9202752A Expired - Fee Related GB2253697B (en) 1991-03-13 1992-02-10 Anomaly detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919105358A Pending GB9105358D0 (en) 1991-03-13 1991-03-13 Anomaly detector

Country Status (1)

Country Link
GB (2) GB9105358D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59808384D1 (en) * 1997-09-15 2003-06-18 Uster Technologies Ag Uster METHOD FOR EVALUATING TEXTILE AREA ERRORS
US5969753A (en) * 1998-04-24 1999-10-19 Medar, Inc. Method and system for detecting errors in a sample image
CN105973904B (en) * 2016-04-28 2019-02-12 南京汇川图像视觉技术有限公司 A kind of edible oil method for detecting impurities based on image background probability graph
WO2020003150A2 (en) 2018-06-28 2020-01-02 3M Innovative Properties Company Image based novelty detection of material samples

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048568A2 (en) * 1980-09-19 1982-03-31 Trw Inc. Defect analysis system
EP0243639A2 (en) * 1986-04-17 1987-11-04 International Business Machines Corporation System for automatic inspection of periodic patterns

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048568A2 (en) * 1980-09-19 1982-03-31 Trw Inc. Defect analysis system
EP0243639A2 (en) * 1986-04-17 1987-11-04 International Business Machines Corporation System for automatic inspection of periodic patterns

Also Published As

Publication number Publication date
GB2253697A (en) 1992-09-16
GB9105358D0 (en) 1991-04-24
GB9202752D0 (en) 1992-03-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040210