ATE203343T1 - Verfahren zur detektion von coden in zweidimensionalen bildern - Google Patents

Verfahren zur detektion von coden in zweidimensionalen bildern

Info

Publication number
ATE203343T1
ATE203343T1 AT98830646T AT98830646T ATE203343T1 AT E203343 T1 ATE203343 T1 AT E203343T1 AT 98830646 T AT98830646 T AT 98830646T AT 98830646 T AT98830646 T AT 98830646T AT E203343 T1 ATE203343 T1 AT E203343T1
Authority
AT
Austria
Prior art keywords
image
dots
determining
image region
dimensional images
Prior art date
Application number
AT98830646T
Other languages
English (en)
Inventor
Elena Brunelli
Francesco Caselli
Marco Bottazzi
Original Assignee
Datalogic Spa
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 Datalogic Spa filed Critical Datalogic Spa
Application granted granted Critical
Publication of ATE203343T1 publication Critical patent/ATE203343T1/de

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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Image Processing (AREA)
AT98830646T 1998-10-23 1998-10-23 Verfahren zur detektion von coden in zweidimensionalen bildern ATE203343T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98830646A EP0996079B1 (de) 1998-10-23 1998-10-23 Verfahren zur Detektion von Coden in zweidimensionalen Bildern

Publications (1)

Publication Number Publication Date
ATE203343T1 true ATE203343T1 (de) 2001-08-15

Family

ID=8236852

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98830646T ATE203343T1 (de) 1998-10-23 1998-10-23 Verfahren zur detektion von coden in zweidimensionalen bildern

Country Status (4)

Country Link
US (1) US6775409B1 (de)
EP (1) EP0996079B1 (de)
AT (1) ATE203343T1 (de)
DE (1) DE69801161T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10040614A1 (de) * 2000-08-16 2002-02-28 Gavitec Gmbh Verfahren zur automatischen Erkennung einer gerichteten Struktur
US7051937B2 (en) * 2002-03-22 2006-05-30 Lockheed Martin Corporation System and method for fast binarization of bar codes in the presence of noise
US6912309B2 (en) * 2003-03-06 2005-06-28 Lockheed Martin Corporation Method and system for identifying objects in an image
US7546950B2 (en) * 2006-03-28 2009-06-16 Seiko Epson Corporation Method and apparatus for locating and decoding a two-dimensional machine-readable symbol
US20100084470A1 (en) * 2008-10-03 2010-04-08 Microsoft Corporation Two-dimensional barcode localization for camera based devices
CN103699549B (zh) * 2012-09-27 2016-11-23 阿里巴巴集团控股有限公司 一种图形码库更新、查询方法及相关装置
DE102013011238B4 (de) * 2013-07-05 2015-02-26 Tayfun Yengec ldentifikationsdatenträger
US9067671B2 (en) * 2013-07-25 2015-06-30 Disney Enterprises, Inc. Visual localization of unmanned aerial vehicles based on marker detection and processing
EP3100186B1 (de) * 2014-01-29 2021-05-12 Becton, Dickinson and Company System und verfahren zur entnahmebestätigung und probenverfolgung an einem klinischen verwendungsort
ITUB20154043A1 (it) 2015-09-30 2017-03-30 Datalogic IP Tech Srl Sistema e metodo di lettura di informazioni codificate
CN108171098B (zh) * 2016-12-07 2021-01-22 杭州海康威视数字技术股份有限公司 一种条码检测方法及设备
DE102018008733A1 (de) 2017-12-05 2019-06-06 Sew-Eurodrive Gmbh & Co Kg Verfahren zur Auswertung eines Teilbereichs eines Bildes, insbesondere zur Detektion eines Codes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748804A (en) * 1992-05-14 1998-05-05 United Parcel Service Of America, Inc. Method and apparatus for processing images with symbols with dense edges
US5487115A (en) * 1992-05-14 1996-01-23 United Parcel Service Method and apparatus for determining the fine angular orientation of bar code symbols in two-dimensional CCD images
JPH0687270B2 (ja) * 1992-09-16 1994-11-02 インターナショナル・ビジネス・マシーンズ・コーポレイション 線分の方向検出装置及びその方法
US5352878A (en) * 1993-01-29 1994-10-04 United Parcel Service Of America, Inc. Method and apparatus for decoding bar code symbols using independent bar and space analysis
JP2788604B2 (ja) * 1994-06-20 1998-08-20 インターナショナル・ビジネス・マシーンズ・コーポレイション ２次元情報パターンを有する情報表示タグ、それを用いた画像処理方法及び画像処理装置
US6453069B1 (en) * 1996-11-20 2002-09-17 Canon Kabushiki Kaisha Method of extracting image from input image using reference image
DE69629930T2 (de) * 1996-12-30 2004-07-22 Datalogic S.P.A., Lippo Di Calderara Di Reno Verfahren zum Festlegen eines auf einem Objekt angebrachten optischen Codes

Also Published As

Publication number Publication date
US6775409B1 (en) 2004-08-10
EP0996079B1 (de) 2001-07-18
DE69801161T2 (de) 2002-03-07
DE69801161D1 (de) 2001-08-23
EP0996079A1 (de) 2000-04-26

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