ATE180910T1 - Verfahren und gerät zur dekodierung van streifenkodes - Google Patents

Verfahren und gerät zur dekodierung van streifenkodes

Info

Publication number
ATE180910T1
ATE180910T1 AT96906959T AT96906959T ATE180910T1 AT E180910 T1 ATE180910 T1 AT E180910T1 AT 96906959 T AT96906959 T AT 96906959T AT 96906959 T AT96906959 T AT 96906959T AT E180910 T1 ATE180910 T1 AT E180910T1
Authority
AT
Austria
Prior art keywords
pct
mark
spaces
degree
bars
Prior art date
Application number
AT96906959T
Other languages
English (en)
Inventor
Gerrit Boersma
Dennis Johannes Maat
Original Assignee
Scantech Bv
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 Scantech Bv filed Critical Scantech Bv
Application granted granted Critical
Publication of ATE180910T1 publication Critical patent/ATE180910T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/1486—Setting the threshold-width for bar codes to be decoded
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • 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)
  • Credit Cards Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Character Discrimination (AREA)
  • Error Detection And Correction (AREA)
AT96906959T 1995-03-28 1996-03-28 Verfahren und gerät zur dekodierung van streifenkodes ATE180910T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9500597A NL9500597A (nl) 1995-03-28 1995-03-28 Werkwijze en inrichting voor het decoderen van barcodes.

Publications (1)

Publication Number Publication Date
ATE180910T1 true ATE180910T1 (de) 1999-06-15

Family

ID=19865765

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96906959T ATE180910T1 (de) 1995-03-28 1996-03-28 Verfahren und gerät zur dekodierung van streifenkodes

Country Status (7)

Country Link
US (1) US5929423A (de)
EP (1) EP0818019B1 (de)
AT (1) ATE180910T1 (de)
AU (1) AU5016396A (de)
DE (1) DE69602735T2 (de)
NL (1) NL9500597A (de)
WO (1) WO1996030859A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3077616B2 (ja) * 1997-01-31 2000-08-14 富士通株式会社 バーコード読取方法
EP0895175B1 (de) * 1997-08-01 2000-10-11 Datalogic S.P.A. Verfahren zum Abtasten eines Strichkodes
US7170499B1 (en) * 1999-05-25 2007-01-30 Silverbrook Research Pty Ltd Handwritten text capture via interface surface
US6760119B1 (en) * 1999-05-25 2004-07-06 Silverbrook Research Pty Ltd Relay device
JP4416980B2 (ja) * 1999-10-25 2010-02-17 富士通株式会社 バーコード読取装置およびバーコード読取方法
DE10207057B4 (de) * 2002-02-20 2008-07-31 Schildt, Janko, Dr.med. Anordnung zur Überwachung, für Patienten mit Diabetes mellitus
JP4257131B2 (ja) * 2003-02-21 2009-04-22 富士通株式会社 バーコード読取装置およびバーコード読取方法
AU2006252254B2 (en) * 2006-12-22 2009-03-05 Canon Kabushiki Kaisha Multiple barcode detection
US8196836B2 (en) * 2007-06-28 2012-06-12 Fuji Xerox Co., Ltd. Image processing apparatus, image processing method and computer-readable medium
US9292478B2 (en) * 2008-12-22 2016-03-22 International Business Machines Corporation Visual editor for editing complex expressions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723710A (en) * 1971-06-28 1973-03-27 Ibm Method and device for reading and decoding a high density self-clocking bar code
US4245152A (en) * 1979-10-23 1981-01-13 International Business Machines Corporation Decoding method and system for ETAB bar code
US4414468A (en) * 1981-05-18 1983-11-08 International Business Machines Corporation Systematic error correction in bar code scanner
US4717818A (en) * 1986-06-26 1988-01-05 International Business Machines Corporation Bar code label identification circuit
US4879456A (en) * 1987-06-18 1989-11-07 Spectra-Physics, Inc. Method of decoding a binary scan signal
US4855581A (en) * 1988-06-17 1989-08-08 Microscan Systems Incorporated Decoding of barcodes by preprocessing scan data
US5304786A (en) * 1990-01-05 1994-04-19 Symbol Technologies, Inc. High density two-dimensional bar code symbol
JP2886545B2 (ja) * 1989-03-03 1999-04-26 富士通株式会社 マージン認識方法及びバーコード読取り装置
US5276316A (en) * 1990-05-02 1994-01-04 Ncr Corporation Method for reconstructing complete bar code signals from partial bar code scans
US5329105A (en) * 1992-08-10 1994-07-12 United Parcel Service Of America, Inc. Method and apparatus for determining the width of elements of bar code symbols
US5412196A (en) * 1994-04-01 1995-05-02 United Parcel Service Of America, Inc. Method and apparatus for decoding bar code images using multi-order feature vectors
US5773807A (en) * 1995-07-28 1998-06-30 Symbol Technologies, Inc. Arrangement for and method of minimizing reading errors in bar code symbol readers

Also Published As

Publication number Publication date
NL9500597A (nl) 1996-11-01
EP0818019A1 (de) 1998-01-14
EP0818019B1 (de) 1999-06-02
DE69602735T2 (de) 1999-10-07
DE69602735D1 (de) 1999-07-08
AU5016396A (en) 1996-10-16
WO1996030859A1 (en) 1996-10-03
US5929423A (en) 1999-07-27

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Legal Events

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