DE60303003D1 - Verfahren und System zur Verifikation von Übergängen zwischen kontrastierenden Elementen - Google Patents

Verfahren und System zur Verifikation von Übergängen zwischen kontrastierenden Elementen

Info

Publication number
DE60303003D1
DE60303003D1 DE60303003T DE60303003T DE60303003D1 DE 60303003 D1 DE60303003 D1 DE 60303003D1 DE 60303003 T DE60303003 T DE 60303003T DE 60303003 T DE60303003 T DE 60303003T DE 60303003 D1 DE60303003 D1 DE 60303003D1
Authority
DE
Germany
Prior art keywords
contrasting
elements
contrasting elements
zone
values representing
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
DE60303003T
Other languages
English (en)
Other versions
DE60303003T2 (de
Inventor
Long Xiang Bian
Walter P Sweeney Jr
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 Inc
Original Assignee
Sick Inc
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 Inc filed Critical Sick Inc
Application granted granted Critical
Publication of DE60303003D1 publication Critical patent/DE60303003D1/de
Publication of DE60303003T2 publication Critical patent/DE60303003T2/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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1452—Methods for optical code recognition including a method step for retrieval of the optical code detecting bar code edges
    • 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
    • G06K7/1491—Methods for optical code recognition the method including quality enhancement steps the method including a reconstruction step, e.g. stitching two pieces of bar code together to derive the full bar code
DE60303003T 2003-03-06 2003-05-03 Verfahren und System zur Verifikation von Übergängen zwischen kontrastierenden Elementen Expired - Lifetime DE60303003T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/382,807 US6845914B2 (en) 2003-03-06 2003-03-06 Method and system for verifying transitions between contrasting elements
US382807 2003-03-06

Publications (2)

Publication Number Publication Date
DE60303003D1 true DE60303003D1 (de) 2006-02-02
DE60303003T2 DE60303003T2 (de) 2006-09-07

Family

ID=32824788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60303003T Expired - Lifetime DE60303003T2 (de) 2003-03-06 2003-05-03 Verfahren und System zur Verifikation von Übergängen zwischen kontrastierenden Elementen

Country Status (4)

Country Link
US (1) US6845914B2 (de)
EP (1) EP1455296B1 (de)
AT (1) ATE314695T1 (de)
DE (1) DE60303003T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117217B (fi) * 2003-10-01 2006-07-31 Nokia Corp Menetelmä ja järjestelmä käyttöliittymän (User Interface) hallitsemiseksi, vastaava laite ja ohjelmalliset (Software) välineet menetelmän toteuttamiseksi
JP4306457B2 (ja) * 2004-01-08 2009-08-05 株式会社デンソーウェーブ 光学情報読取装置
US7209575B2 (en) * 2004-09-08 2007-04-24 Berry Plastics Corporation Method for visual inspection of printed matter on moving lids
KR100667778B1 (ko) * 2004-11-20 2007-01-11 삼성전자주식회사 바코드 판독 방법 및 장치
US7213761B2 (en) * 2005-03-23 2007-05-08 Microscan Systems Incorporated Apparatus and process for two-stage decoding of high-density optical symbols
WO2007117535A2 (en) * 2006-04-07 2007-10-18 Sick, Inc. Parcel imaging system and method
US8139117B2 (en) 2006-04-21 2012-03-20 Sick, Inc. Image quality analysis with test pattern
US8132728B2 (en) * 2007-04-04 2012-03-13 Sick, Inc. Parcel dimensioning measurement system and method
JP2009110413A (ja) * 2007-10-31 2009-05-21 Olympus Corp バーコード読取装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270525A (en) * 1990-01-08 1993-12-14 Nippondenso Co., Ltd. Non-decoded type bar code reading apparatus
US5457309A (en) * 1994-03-18 1995-10-10 Hand Held Products Predictive bar code decoding system and method
US5979763A (en) * 1995-10-13 1999-11-09 Metanetics Corporation Sub-pixel dataform reader with dynamic noise margins
US6036091A (en) * 1995-12-19 2000-03-14 Webscan, Inc. Method and apparatus supporting high speed evaluation of bar code indicia
US6328213B1 (en) * 1998-06-12 2001-12-11 Symbol Technologies, Inc. Method of processing an analog electrical signal containing information representative of reflected light from coded indicia, wherein the electrical signal contains edge transitions
US6513714B1 (en) * 1998-09-14 2003-02-04 Psc Scanning, Inc. Character reconstruction and element level processing in bar code scanning system
US6382511B1 (en) 2000-04-26 2002-05-07 Ncr Corporation Methods and apparatus for digitizing and processing of analog barcode signals
US6655592B2 (en) * 2001-10-10 2003-12-02 Hewlett-Packard Development Company, L.P. Graphically demodulating graphical bar codes without foreknowledge of the original unmodulated base image

Also Published As

Publication number Publication date
EP1455296B1 (de) 2005-12-28
DE60303003T2 (de) 2006-09-07
EP1455296A1 (de) 2004-09-08
US20040173683A1 (en) 2004-09-09
ATE314695T1 (de) 2006-01-15
US6845914B2 (en) 2005-01-25

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