DE69707291T2 - Maxicode-Lokalisierungsverfahren - Google Patents

Maxicode-Lokalisierungsverfahren

Info

Publication number
DE69707291T2
DE69707291T2 DE69707291T DE69707291T DE69707291T2 DE 69707291 T2 DE69707291 T2 DE 69707291T2 DE 69707291 T DE69707291 T DE 69707291T DE 69707291 T DE69707291 T DE 69707291T DE 69707291 T2 DE69707291 T2 DE 69707291T2
Authority
DE
Germany
Prior art keywords
image
white
target element
binary
black
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
DE69707291T
Other languages
English (en)
Other versions
DE69707291D1 (de
Inventor
Claudio Saporetti
Stefano Amorosi
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.)
Datalogic SpA
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
Publication of DE69707291D1 publication Critical patent/DE69707291D1/de
Application granted granted Critical
Publication of DE69707291T2 publication Critical patent/DE69707291T2/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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06046—Constructional details
    • G06K19/06131—Constructional details the marking comprising a target pattern, e.g. for indicating the center of the bar code or for helping a bar code reader to properly orient the scanner or to retrieve the bar code inside of an image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
DE69707291T 1997-11-17 1997-11-17 Maxicode-Lokalisierungsverfahren Expired - Lifetime DE69707291T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830608A EP0917081B1 (de) 1997-11-17 1997-11-17 Maxicode-Lokalisierungsverfahren

Publications (2)

Publication Number Publication Date
DE69707291D1 DE69707291D1 (de) 2001-11-15
DE69707291T2 true DE69707291T2 (de) 2002-06-27

Family

ID=8230863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707291T Expired - Lifetime DE69707291T2 (de) 1997-11-17 1997-11-17 Maxicode-Lokalisierungsverfahren

Country Status (4)

Country Link
US (1) US6219434B1 (de)
EP (1) EP0917081B1 (de)
AT (1) ATE206833T1 (de)
DE (1) DE69707291T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2256106T3 (es) * 2000-04-06 2006-07-16 Seiko Epson Corporation Metodo y aparato para leer un simbolo de codigo de barra bidimensional y medio de almacenamiento de datos.
US6483927B2 (en) * 2000-12-18 2002-11-19 Digimarc Corporation Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes
FR2846432B1 (fr) * 2002-10-24 2005-03-11 Commissariat Energie Atomique Cible codee et procede de photogrammetre utilisant de telles cibles
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
JP6236600B1 (ja) * 2017-06-02 2017-11-29 株式会社Ｇｐｒｏ 飛行パラメータ測定装置及び飛行パラメータ測定方法
US11429804B2 (en) * 2020-09-18 2022-08-30 Google Llc Platform for registering and processing visual encodings

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810132B2 (ja) * 1986-06-04 1996-01-31 富士電機株式会社 対象パタ−ンの回転角検出方式
US5655030A (en) * 1993-12-27 1997-08-05 Uht Corporation Method for detecting the center of target marks by image processing
US5515447A (en) * 1994-06-07 1996-05-07 United Parcel Service Of America, Inc. Method and apparatus for locating an acquisition target in two-dimensional images by detecting symmetry in two different directions
EP0764307B1 (de) * 1994-06-07 1998-08-12 United Parcel Service Of America, Inc. Verfahren und gerät zu dekodierung von zweidimensionalen zeichen im raumbereich
US5637849A (en) * 1995-05-31 1997-06-10 Metanetics Corporation Maxicode data extraction using spatial domain features
US5786583A (en) * 1996-02-16 1998-07-28 Intermec Corporation Method and apparatus for locating and decoding machine-readable symbols

Also Published As

Publication number Publication date
EP0917081A1 (de) 1999-05-19
DE69707291D1 (de) 2001-11-15
US6219434B1 (en) 2001-04-17
EP0917081B1 (de) 2001-10-10
ATE206833T1 (de) 2001-10-15

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