GB0306743D0 - A method for locating and reading a two-dimensional barcode - Google Patents

A method for locating and reading a two-dimensional barcode

Info

Publication number
GB0306743D0
GB0306743D0 GBGB0306743.6A GB0306743A GB0306743D0 GB 0306743 D0 GB0306743 D0 GB 0306743D0 GB 0306743 A GB0306743 A GB 0306743A GB 0306743 D0 GB0306743 D0 GB 0306743D0
Authority
GB
United Kingdom
Prior art keywords
locating
reading
dimensional barcode
barcode
dimensional
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.)
Granted
Application number
GBGB0306743.6A
Other versions
GB2388230B (en
GB2388230A (en
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from US09/212,243 external-priority patent/US6082619A/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB0306743D0 publication Critical patent/GB0306743D0/en
Publication of GB2388230A publication Critical patent/GB2388230A/en
Application granted granted Critical
Publication of GB2388230B publication Critical patent/GB2388230B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
GB0306743A 1998-12-16 1999-12-16 A method for locating and reading a two-dimensional barcode Expired - Fee Related GB2388230B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/212,243 US6082619A (en) 1998-12-16 1998-12-16 Method for locating and reading a two-dimensional barcode
GB9929667A GB2344913B (en) 1998-12-16 1999-12-16 Method for locating and reading a two-dimensional barcode

Publications (3)

Publication Number Publication Date
GB0306743D0 true GB0306743D0 (en) 2003-04-30
GB2388230A GB2388230A (en) 2003-11-05
GB2388230B GB2388230B (en) 2003-12-17

Family

ID=28793326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0306743A Expired - Fee Related GB2388230B (en) 1998-12-16 1999-12-16 A method for locating and reading a two-dimensional barcode

Country Status (1)

Country Link
GB (1) GB2388230B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112990192A (en) * 2021-02-04 2021-06-18 西安理工大学 Barcode scale image positioning, identifying and detecting method of digital level

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6802450B2 (en) * 2002-08-07 2004-10-12 Shenzhen Syscan Technology Co. Ltd Guiding a scanning device to decode 2D symbols

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917945A (en) * 1994-06-15 1999-06-29 Metanetics Corporation Recognizing dataforms in image areas
US6201901B1 (en) * 1998-06-01 2001-03-13 Matsushita Electronic Industrial Co., Ltd. Border-less clock free two-dimensional barcode and method for printing and reading the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112990192A (en) * 2021-02-04 2021-06-18 西安理工大学 Barcode scale image positioning, identifying and detecting method of digital level
CN112990192B (en) * 2021-02-04 2024-02-02 西安理工大学 Barcode scale image positioning, identifying and detecting method for digital level

Also Published As

Publication number Publication date
GB2388230B (en) 2003-12-17
GB2388230A (en) 2003-11-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071216