DE69705725D1 - Verfahren zur Lokalisierung von Farbbereichen oder von Bereichen mit grossen Helligkeitsänderungen in einem Bild - Google Patents

Verfahren zur Lokalisierung von Farbbereichen oder von Bereichen mit grossen Helligkeitsänderungen in einem Bild

Info

Publication number
DE69705725D1
DE69705725D1 DE69705725T DE69705725T DE69705725D1 DE 69705725 D1 DE69705725 D1 DE 69705725D1 DE 69705725 T DE69705725 T DE 69705725T DE 69705725 T DE69705725 T DE 69705725T DE 69705725 D1 DE69705725 D1 DE 69705725D1
Authority
DE
Germany
Prior art keywords
image
logic value
areas
region
binary image
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
DE69705725T
Other languages
English (en)
Other versions
DE69705725T2 (de
Inventor
Marco Cumoli
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
Application granted granted Critical
Publication of DE69705725D1 publication Critical patent/DE69705725D1/de
Publication of DE69705725T2 publication Critical patent/DE69705725T2/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
    • G06K7/1092—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 by means of TV-scanning
    • 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
    • G06K7/1093—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; 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
    • G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
DE69705725T 1997-11-17 1997-11-17 Verfahren zur Lokalisierung von Farbbereichen oder von Bereichen mit grossen Helligkeitsänderungen in einem Bild Expired - Lifetime DE69705725T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97830607A EP0917080B1 (de) 1997-11-17 1997-11-17 Verfahren zur Lokalisierung von Farbbereichen oder von Bereichen mit grossen Helligkeitsänderungen in einem Bild

Publications (2)

Publication Number Publication Date
DE69705725D1 true DE69705725D1 (de) 2001-08-23
DE69705725T2 DE69705725T2 (de) 2002-05-23

Family

ID=8230862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705725T Expired - Lifetime DE69705725T2 (de) 1997-11-17 1997-11-17 Verfahren zur Lokalisierung von Farbbereichen oder von Bereichen mit grossen Helligkeitsänderungen in einem Bild

Country Status (4)

Country Link
US (1) US6377698B1 (de)
EP (1) EP0917080B1 (de)
AT (1) ATE203342T1 (de)
DE (1) DE69705725T2 (de)

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FR2810765B1 (fr) * 2000-06-27 2002-08-23 Mannesmann Dematic Postal Automation Sa Segmentation d'une image numerique d'un objet postal par la transformation de hough
DE10040614A1 (de) * 2000-08-16 2002-02-28 Gavitec Gmbh Verfahren zur automatischen Erkennung einer gerichteten Struktur
JP3898075B2 (ja) * 2002-03-18 2007-03-28 株式会社リコー 画像処理装置、画像処理方法及び記録媒体
US7116814B2 (en) * 2002-09-27 2006-10-03 Chunghwa Telecom Co., Ltd. Image-based container defects detector
US6912309B2 (en) * 2003-03-06 2005-06-28 Lockheed Martin Corporation Method and system for identifying objects in an image
US7406196B2 (en) * 2004-03-19 2008-07-29 Lockheed Martin Corporation Methods and systems for automatic detection of corners of a region
US7809158B2 (en) * 2005-05-02 2010-10-05 Siemens Industry, Inc. Method and apparatus for detecting doubles in a singulated stream of flat articles
US7509588B2 (en) 2005-12-30 2009-03-24 Apple Inc. Portable electronic device with interface reconfiguration mode
US10313505B2 (en) 2006-09-06 2019-06-04 Apple Inc. Portable multifunction device, method, and graphical user interface for configuring and displaying widgets
US8564544B2 (en) 2006-09-06 2013-10-22 Apple Inc. Touch screen device, method, and graphical user interface for customizing display of content category icons
US7940250B2 (en) * 2006-09-06 2011-05-10 Apple Inc. Web-clip widgets on a portable multifunction device
US20080101703A1 (en) * 2006-10-30 2008-05-01 Lockheed Martin Corporation Systems and methods for recognizing shapes in an image
JP5045068B2 (ja) * 2006-11-13 2012-10-10 日本電気株式会社 ラベル領域検出装置、該検出装置に用いられるラベル領域検出方法及びラベル領域検出制御プログラム
US8519964B2 (en) 2007-01-07 2013-08-27 Apple Inc. Portable multifunction device, method, and graphical user interface supporting user navigations of graphical objects on a touch screen display
US8788954B2 (en) * 2007-01-07 2014-07-22 Apple Inc. Web-clip widgets on a portable multifunction device
US9933937B2 (en) 2007-06-20 2018-04-03 Apple Inc. Portable multifunction device, method, and graphical user interface for playing online videos
US9772751B2 (en) * 2007-06-29 2017-09-26 Apple Inc. Using gestures to slide between user interfaces
US8619038B2 (en) * 2007-09-04 2013-12-31 Apple Inc. Editing interface
US9619143B2 (en) * 2008-01-06 2017-04-11 Apple Inc. Device, method, and graphical user interface for viewing application launch icons
US11126321B2 (en) 2007-09-04 2021-09-21 Apple Inc. Application menu user interface
US8736561B2 (en) 2010-01-06 2014-05-27 Apple Inc. Device, method, and graphical user interface with content display modes and display rotation heuristics
US9818197B2 (en) 2015-05-29 2017-11-14 Datalogic Ip Tech S.R.L. System and method for reading machine readable codes in transportation and logistic applications
US9785817B2 (en) 2015-05-29 2017-10-10 Datalogic Usa, Inc. Region of interest location and selective image compression
US10613732B2 (en) 2015-06-07 2020-04-07 Apple Inc. Selecting content items in a user interface display
ITUB20154043A1 (it) 2015-09-30 2017-03-30 Datalogic IP Tech Srl Sistema e metodo di lettura di informazioni codificate
DK201770423A1 (en) 2016-06-11 2018-01-15 Apple Inc Activity and workout updates
US11216119B2 (en) 2016-06-12 2022-01-04 Apple Inc. Displaying a predetermined view of an application
JP6837880B2 (ja) 2017-03-15 2021-03-03 株式会社東芝 画像処理装置、画像処理システム、画像処理方法、およびプログラム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120940A (en) * 1990-08-10 1992-06-09 The Boeing Company Detection of barcodes in binary images with arbitrary orientation
US5748804A (en) * 1992-05-14 1998-05-05 United Parcel Service Of America, Inc. Method and apparatus for processing images with symbols with dense edges
JPH0687270B2 (ja) * 1992-09-16 1994-11-02 インターナショナル・ビジネス・マシーンズ・コーポレイション 線分の方向検出装置及びその方法
US5384451A (en) * 1993-01-29 1995-01-24 United Parcel Service Of America, Inc. Method and apparatus for decoding bar code symbols using composite signals
US5504319A (en) * 1994-02-09 1996-04-02 Symbol Technologies, Inc. Method and system for bar code acquisition
EP0851374B1 (de) * 1996-12-30 2003-09-10 DATALOGIC S.p.A. Verfahren zum Lokalisieren eines auf einem Objekt aufgebrachten Kodes

Also Published As

Publication number Publication date
DE69705725T2 (de) 2002-05-23
US6377698B1 (en) 2002-04-23
EP0917080A1 (de) 1999-05-19
ATE203342T1 (de) 2001-08-15
EP0917080B1 (de) 2001-07-18

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