ATE190415T1 - Verfahren und vorrichtung zur dekodierung eines zweidimensionalen symboles im raumbereich - Google Patents

Verfahren und vorrichtung zur dekodierung eines zweidimensionalen symboles im raumbereich

Info

Publication number
ATE190415T1
ATE190415T1 AT96117677T AT96117677T ATE190415T1 AT E190415 T1 ATE190415 T1 AT E190415T1 AT 96117677 T AT96117677 T AT 96117677T AT 96117677 T AT96117677 T AT 96117677T AT E190415 T1 ATE190415 T1 AT E190415T1
Authority
AT
Austria
Prior art keywords
symbol
decoding
template
targets
reflectivity
Prior art date
Application number
AT96117677T
Other languages
English (en)
Inventor
Joe Zheng
Ming Lei
Original Assignee
United Parcel Service 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
Priority claimed from US08/254,976 external-priority patent/US5515447A/en
Application filed by United Parcel Service Inc filed Critical United Parcel Service Inc
Application granted granted Critical
Publication of ATE190415T1 publication Critical patent/ATE190415T1/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
    • G06K7/10544—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
    • G06K7/1093—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 sensing, after transfer of the image of the data-field to an intermediate store, e.g. storage with cathode ray tube
    • 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
    • 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
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • 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
    • G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1456—Methods for optical code recognition including a method step for retrieval of the optical code determining the orientation of the optical code with respect to the reader and correcting therefore
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S379/00—Telephonic communications
    • Y10S379/91—Bar code or optical character reader with telephone

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Error Detection And Correction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Character Input (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
AT96117677T 1994-06-07 1995-06-01 Verfahren und vorrichtung zur dekodierung eines zweidimensionalen symboles im raumbereich ATE190415T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/254,976 US5515447A (en) 1994-06-07 1994-06-07 Method and apparatus for locating an acquisition target in two-dimensional images by detecting symmetry in two different directions
US30466794A 1994-09-09 1994-09-09

Publications (1)

Publication Number Publication Date
ATE190415T1 true ATE190415T1 (de) 2000-03-15

Family

ID=26944350

Family Applications (2)

Application Number Title Priority Date Filing Date
AT95925498T ATE169754T1 (de) 1994-06-07 1995-06-01 Verfahren und gerät zu dekodierung von zweidimensionalen zeichen im raumbereich
AT96117677T ATE190415T1 (de) 1994-06-07 1995-06-01 Verfahren und vorrichtung zur dekodierung eines zweidimensionalen symboles im raumbereich

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT95925498T ATE169754T1 (de) 1994-06-07 1995-06-01 Verfahren und gerät zu dekodierung von zweidimensionalen zeichen im raumbereich

Country Status (11)

Country Link
US (1) US6094509A (de)
EP (2) EP0764307B1 (de)
JP (1) JP2771899B2 (de)
AT (2) ATE169754T1 (de)
CA (1) CA2187209C (de)
DE (2) DE69515481T2 (de)
DK (2) DK0766191T3 (de)
ES (2) ES2122656T3 (de)
GR (1) GR3033330T3 (de)
PT (1) PT766191E (de)
WO (1) WO1995034043A1 (de)

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Also Published As

Publication number Publication date
EP0764307A1 (de) 1997-03-26
CA2187209C (en) 2000-09-05
US6094509A (en) 2000-07-25
GR3033330T3 (en) 2000-09-29
ES2122656T3 (es) 1998-12-16
DE69515481T2 (de) 2000-10-19
PT766191E (pt) 2000-08-31
DE69504069D1 (de) 1998-09-17
JP2771899B2 (ja) 1998-07-02
ES2144185T3 (es) 2000-06-01
CA2187209A1 (en) 1995-12-14
DK0764307T3 (da) 1999-05-10
DK0766191T3 (da) 2000-07-31
EP0764307B1 (de) 1998-08-12
DE69515481D1 (de) 2000-04-13
DE69504069T2 (de) 1998-12-10
EP0766191A3 (de) 1999-01-07
WO1995034043A1 (en) 1995-12-14
EP0766191B1 (de) 2000-03-08
ATE169754T1 (de) 1998-08-15
EP0766191A2 (de) 1997-04-02
JPH10501082A (ja) 1998-01-27

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