ATE249650T1 - Verfahren zum lokalisieren eines auf einem objekt aufgebrachten kodes - Google Patents

Verfahren zum lokalisieren eines auf einem objekt aufgebrachten kodes

Info

Publication number
ATE249650T1
ATE249650T1 AT96830661T AT96830661T ATE249650T1 AT E249650 T1 ATE249650 T1 AT E249650T1 AT 96830661 T AT96830661 T AT 96830661T AT 96830661 T AT96830661 T AT 96830661T AT E249650 T1 ATE249650 T1 AT E249650T1
Authority
AT
Austria
Prior art keywords
vector
transformed
image
vectors
information relative
Prior art date
Application number
AT96830661T
Other languages
English (en)
Inventor
Claudio Saporetti
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 ATE249650T1 publication Critical patent/ATE249650T1/de

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
    • G06K7/14—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
    • G06K7/1478—Methods for optical code recognition the method including quality enhancement steps adapting the threshold for pixels in a CMOS or CCD pixel sensor for black and white recognition
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Image Analysis (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AT96830661T 1996-12-30 1996-12-30 Verfahren zum lokalisieren eines auf einem objekt aufgebrachten kodes ATE249650T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830661A EP0851374B1 (de) 1996-12-30 1996-12-30 Verfahren zum Lokalisieren eines auf einem Objekt aufgebrachten Kodes

Publications (1)

Publication Number Publication Date
ATE249650T1 true ATE249650T1 (de) 2003-09-15

Family

ID=8226101

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96830661T ATE249650T1 (de) 1996-12-30 1996-12-30 Verfahren zum lokalisieren eines auf einem objekt aufgebrachten kodes

Country Status (4)

Country Link
US (1) US6047893A (de)
EP (1) EP0851374B1 (de)
AT (1) ATE249650T1 (de)
DE (1) DE69629930T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE203342T1 (de) * 1997-11-17 2001-08-15 Datalogic Spa Verfahren zur lokalisierung von farbbereichen oder von bereichen mit grossen helligkeitsänderungen in einem bild
DE19840455A1 (de) * 1998-09-04 2000-03-09 Sick Ag Verfahren zum Betreiben eines Strichcodelesers
ATE203343T1 (de) 1998-10-23 2001-08-15 Datalogic Spa Verfahren zur detektion von coden in zweidimensionalen bildern
US7137711B1 (en) 2000-03-21 2006-11-21 Leonard Reiffel Multi-user retro reflector data input
DE60135227D1 (de) * 2000-05-03 2008-09-18 Leonard Reiffel Doppelmodus-datenabbildungsprodukt
US7034803B1 (en) 2000-08-18 2006-04-25 Leonard Reiffel Cursor display privacy product
AU2001283375A1 (en) * 2000-08-18 2002-03-04 Leonard Reiffel Annotating imaged data product
WO2002049344A1 (en) * 2000-12-15 2002-06-20 Leonard Reiffel Imaged coded data source tracking product
JP4081373B2 (ja) * 2000-12-15 2008-04-23 ライフェル レナード 画像によるコード化データ源変換装置
EP1354471A4 (de) * 2000-12-15 2006-02-08 Leonard Reiffel Produkt zur codierten datenquellendateneingabe für mehrfach-abbildungsvorrichtung, mehrfach-quelle, mehrfach-benutzung
EP1390909A4 (de) * 2001-04-19 2004-12-29 Leonard Reiffel Kombinations-abbildungs-codierungsdatenquellendatenerfassung
US6729544B2 (en) * 2001-05-02 2004-05-04 International Business Machines Corporation Fast barcode search
GB2392286B (en) * 2002-08-19 2004-07-07 Chunghwa Telecom Co Ltd Personal identification system based on the reading of multiple one-dimensional barcodes scanned from scanned from PDA/cell phone screen
SE0301143D0 (sv) * 2003-04-17 2003-04-17 C Technologies Ab Sätt och anordning för inläsning av data
US20060291797A1 (en) * 2003-05-27 2006-12-28 Leonard Reiffel Multi-imager multi-source multi-use coded data source data input product
US7376894B2 (en) * 2004-11-18 2008-05-20 Microsoft Corporation Vector path merging into gradient elements
US7726572B2 (en) * 2004-12-03 2010-06-01 Symbol Technologies, Inc. Bar code scanning decoding
US7337970B2 (en) * 2004-12-03 2008-03-04 Symbol Technologies, Inc. Barcode scanner decoding
US20100084470A1 (en) * 2008-10-03 2010-04-08 Microsoft Corporation Two-dimensional barcode localization for camera based devices
JP5651659B2 (ja) * 2012-08-31 2015-01-14 株式会社東芝 物体検出システムおよびプログラム
ITUB20154043A1 (it) 2015-09-30 2017-03-30 Datalogic IP Tech Srl Sistema e metodo di lettura di informazioni codificate
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
US10346660B2 (en) 2017-08-25 2019-07-09 Datalogic I.P. Tech S.R.L. Coded image capture and decoding system
US10262436B2 (en) * 2017-08-25 2019-04-16 Datalogic Ip Tech S.R.L. System for multiple decode of captured images
GB2575333B (en) 2018-12-21 2020-09-09 Imagination Tech Ltd Double-angle gradients
US10825137B2 (en) 2019-01-15 2020-11-03 Datalogic IP Tech, S.r.l. Systems and methods for pre-localization of regions of interest for optical character recognition, and devices therefor
US10817693B1 (en) 2019-07-10 2020-10-27 Datalogic Ip Tech S.R.L. System for decode of two-dimensional indicia
US11003881B2 (en) 2019-09-11 2021-05-11 Datalogic Ip Tech S.R.L. System for multiple decode of captured images

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874936A (en) * 1988-04-08 1989-10-17 United Parcel Service Of America, Inc. Hexagonal, information encoding article, process and system
US5296690A (en) * 1991-03-28 1994-03-22 Omniplanar, Inc. System for locating and determining the orientation of bar codes in a two-dimensional image
US5268580A (en) * 1992-09-02 1993-12-07 Ncr Corporation Bar code enhancement system and method for vision scanners
US5304787A (en) * 1993-06-01 1994-04-19 Metamedia Corporation Locating 2-D bar codes
US5504319A (en) * 1994-02-09 1996-04-02 Symbol Technologies, Inc. Method and system for bar code acquisition

Also Published As

Publication number Publication date
DE69629930T2 (de) 2004-07-22
DE69629930D1 (de) 2003-10-16
EP0851374B1 (de) 2003-09-10
EP0851374A1 (de) 1998-07-01
US6047893A (en) 2000-04-11

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