DE50208678D1 - Verfahren zum Erfassen von zweidimensionalen Codes - Google Patents

Verfahren zum Erfassen von zweidimensionalen Codes

Info

Publication number
DE50208678D1
DE50208678D1 DE50208678T DE50208678T DE50208678D1 DE 50208678 D1 DE50208678 D1 DE 50208678D1 DE 50208678 T DE50208678 T DE 50208678T DE 50208678 T DE50208678 T DE 50208678T DE 50208678 D1 DE50208678 D1 DE 50208678D1
Authority
DE
Germany
Prior art keywords
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image areas
scale value
data bits
bit sequence
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 - Lifetime
Application number
DE50208678T
Other languages
English (en)
Inventor
Juergen Reichenbach
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.)
Sick AG
Original Assignee
Sick AG
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 Sick AG filed Critical Sick AG
Priority to DE50208678T priority Critical patent/DE50208678D1/de
Application granted granted Critical
Publication of DE50208678D1 publication Critical patent/DE50208678D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1473—Methods for optical code recognition the method including quality enhancement steps error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Error Detection And Correction (AREA)
  • Image Analysis (AREA)
  • Holo Graphy (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE50208678T 2001-05-15 2002-05-02 Verfahren zum Erfassen von zweidimensionalen Codes Expired - Lifetime DE50208678D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50208678T DE50208678D1 (de) 2001-05-15 2002-05-02 Verfahren zum Erfassen von zweidimensionalen Codes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10123406A DE10123406A1 (de) 2001-05-15 2001-05-15 Verfahren zum Erfassen von zweidimensionalen Codes
DE50208678T DE50208678D1 (de) 2001-05-15 2002-05-02 Verfahren zum Erfassen von zweidimensionalen Codes

Publications (1)

Publication Number Publication Date
DE50208678D1 true DE50208678D1 (de) 2006-12-28

Family

ID=7684733

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10123406A Withdrawn DE10123406A1 (de) 2001-05-15 2001-05-15 Verfahren zum Erfassen von zweidimensionalen Codes
DE50208678T Expired - Lifetime DE50208678D1 (de) 2001-05-15 2002-05-02 Verfahren zum Erfassen von zweidimensionalen Codes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10123406A Withdrawn DE10123406A1 (de) 2001-05-15 2001-05-15 Verfahren zum Erfassen von zweidimensionalen Codes

Country Status (5)

Country Link
US (2) US7107506B2 (de)
EP (1) EP1260933B1 (de)
AT (1) ATE322050T1 (de)
DE (2) DE10123406A1 (de)
ES (1) ES2257480T3 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10307775B4 (de) * 2002-02-22 2008-04-17 Tropf, Hermann, Dipl.-Ing. Gemusterter Code mit robuster Decodierung, insbesondere Signalcode, Decodierverfahren, Decodiereinrichtung, Leseeinrichtung, sowie Datenträger mit Programm
US7028911B2 (en) * 2002-08-07 2006-04-18 Shenzhen Syscan Technology Co. Limited Methods and systems for encoding and decoding data in 2D symbology
US7133563B2 (en) * 2002-10-31 2006-11-07 Microsoft Corporation Passive embedded interaction code
US7583842B2 (en) * 2004-01-06 2009-09-01 Microsoft Corporation Enhanced approach of m-array decoding and error correction
US7263224B2 (en) * 2004-01-16 2007-08-28 Microsoft Corporation Strokes localization by m-array decoding and fast image matching
JP4460903B2 (ja) * 2004-01-20 2010-05-12 株式会社東芝 半導体ウェーハのｉｄマーク認識方法
US20060050961A1 (en) * 2004-08-13 2006-03-09 Mohanaraj Thiyagarajah Method and system for locating and verifying a finder pattern in a two-dimensional machine-readable symbol
US8553968B1 (en) * 2005-02-18 2013-10-08 Western Digital Technologies, Inc. Using optical character recognition augmented by an error correction code to detect serial numbers written on a wafer
US7826074B1 (en) 2005-02-25 2010-11-02 Microsoft Corporation Fast embedded interaction code printing with custom postscript commands
US7213761B2 (en) * 2005-03-23 2007-05-08 Microscan Systems Incorporated Apparatus and process for two-stage decoding of high-density optical symbols
US20060215913A1 (en) * 2005-03-24 2006-09-28 Microsoft Corporation Maze pattern analysis with image matching
US20060242562A1 (en) * 2005-04-22 2006-10-26 Microsoft Corporation Embedded method for embedded interaction code array
US7421439B2 (en) 2005-04-22 2008-09-02 Microsoft Corporation Global metadata embedding and decoding
US7400777B2 (en) * 2005-05-25 2008-07-15 Microsoft Corporation Preprocessing for information pattern analysis
US7729539B2 (en) * 2005-05-31 2010-06-01 Microsoft Corporation Fast error-correcting of embedded interaction codes
US7580576B2 (en) * 2005-06-02 2009-08-25 Microsoft Corporation Stroke localization and binding to electronic document
US7817816B2 (en) * 2005-08-17 2010-10-19 Microsoft Corporation Embedded interaction code enabled surface type identification
US7546950B2 (en) * 2006-03-28 2009-06-16 Seiko Epson Corporation Method and apparatus for locating and decoding a two-dimensional machine-readable symbol
JP3998701B1 (ja) * 2006-12-28 2007-10-31 健治 吉田 ドットパターンが設けられたカード
CN101360185B (zh) * 2007-08-03 2012-07-04 奇美电子股份有限公司 显示装置、显示面板、图像强化模块和图像强化控制方法
JP5248912B2 (ja) * 2008-05-12 2013-07-31 株式会社日立製作所 サーバ計算機、計算機システムおよびファイル管理方法
CA2732167C (en) 2008-08-04 2014-06-10 F. Hoffmann-La Roche Ag Encoding method for encoding medical items
DE102009025869A1 (de) * 2009-05-27 2010-12-02 Wincor Nixdorf International Gmbh Verfahren und Vorrichtung zum Erkennen von Strichcodezeichen
EP2389637A1 (de) 2009-06-24 2011-11-30 International Business Machines Corporation Anfordern von computerdaten-mitteln
DE102010014937B4 (de) 2010-04-14 2013-10-17 Ioss Intelligente Optische Sensoren & Systeme Gmbh Verfahren zum Lesen eines Codes auf einem Substrat durch Zusammensetzen von Code-Fragmenten unter Verwendung eines bildgebenden Codelesers
CN101882210B (zh) * 2010-06-01 2012-06-27 福建新大陆电脑股份有限公司 矩阵式二维条码解码芯片及其解码方法
DE102015111348A1 (de) * 2015-07-14 2017-01-19 Manroland Web Systems Gmbh Verfahren zur Steuerung bzw. Regelung eines Produktionsprozesses in Druckanlagen
ES2555037B1 (es) * 2015-11-02 2016-10-19 Betafix Services S.L. Sistema de identificación de pertenencias y método para dicho sistema
US10235547B2 (en) * 2016-01-26 2019-03-19 Hand Held Products, Inc. Enhanced matrix symbol error correction method
ES2711001A1 (es) * 2017-10-25 2019-04-29 Fernandez Carlos Iglesias Productos sanitarios con códigos visuales incorporados como sistema de información sanitaria
CN111835936A (zh) * 2019-04-22 2020-10-27 四川大学 一种基于qr码的多图像加密容量提升方法
US11126808B1 (en) 2019-05-30 2021-09-21 Owens-Brockway Glass Container Inc. Methods for dot code image processing on a glass container
ES2835053B2 (es) 2019-12-18 2022-06-16 Univ Almeria Metodo, dispositivo y sistema para el almacenamiento, la codificacion y la decodificacion de informacion basada en codigos con capacidad de deteccion de errores
CN112001469B (zh) * 2020-08-12 2024-01-30 北京太和互邦科技有限公司 一种二维码编码方法、解码方法和二维码
CN117350317B (zh) * 2023-12-05 2024-03-26 北京紫光青藤微系统有限公司 用于条码图像的译码方法、装置和电子设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH503429A (de) * 1970-04-07 1971-02-15 Ibm Verfahren und Schaltungsanordnung zur Wandlung eines Analogsignals in ein simultanes Digitalsignal
US4882733A (en) * 1987-03-13 1989-11-21 Ford Aerospace Corporation Method and apparatus for combining encoding and modulation
US5050069A (en) * 1987-04-27 1991-09-17 Thinking Machines Corporation Method and apparatus for simulating m-dimension connection networks in and n-dimension network where m is less than n
US5271022A (en) * 1989-09-29 1993-12-14 Cyclotomics, Incorporated Digital optical sound system
US5127022A (en) * 1989-11-21 1992-06-30 Nippon Hoso Kyokai Differential coding system
EP0570524B1 (de) * 1991-02-04 1996-01-03 Dolby Laboratories Licensing Corporation Speichermedium und Vorrichtung zur Rückgewinnung von Data des Mediums durch Uberabtastung
US5630086A (en) * 1993-12-03 1997-05-13 Hewlett-Packard Co. Apparatus systems and methods for controlling electronic memories
US5917945A (en) * 1994-06-15 1999-06-29 Metanetics Corporation Recognizing dataforms in image areas
US5659631A (en) * 1995-02-21 1997-08-19 Ricoh Company, Ltd. Data compression for indexed color image data
US5862270A (en) * 1995-12-08 1999-01-19 Matsushita Electric Industrial Co., Ltd. Clock free two-dimensional barcode and method for printing and reading the same
US5742041A (en) * 1996-05-29 1998-04-21 Intermec Corporation Method and apparatus for locating and decoding machine-readable symbols, including data matrix symbols
JP3209108B2 (ja) * 1996-08-23 2001-09-17 松下電器産業株式会社 ２次元コード読み取り装置
US5959285A (en) * 1996-10-16 1999-09-28 Symbol Technologies, Inc. Two-dimensional bar code symbology using gray code encodation scheme
US5818032A (en) * 1997-01-03 1998-10-06 Sun; Tsu-Hung Tom Encoded color halftone micro-dots for high density digital information storage
US5974172A (en) * 1997-02-14 1999-10-26 At&T Corp Method and apparatus for coding segmented regions which may be transparent in video sequences for content-based scalability
US20050063596A1 (en) * 2001-11-23 2005-03-24 Yosef Yomdin Encoding of geometric modeled images

Also Published As

Publication number Publication date
EP1260933A2 (de) 2002-11-27
EP1260933B1 (de) 2006-03-29
US7428688B2 (en) 2008-09-23
DE10123406A1 (de) 2002-11-21
ES2257480T3 (es) 2006-08-01
US20030009725A1 (en) 2003-01-09
US20060236202A1 (en) 2006-10-19
US7107506B2 (en) 2006-09-12
ATE322050T1 (de) 2006-04-15
EP1260933A3 (de) 2003-07-30

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