HK1225834A1 - 解碼二維矩陣符號的方法和系統 - Google Patents

解碼二維矩陣符號的方法和系統

Info

Publication number
HK1225834A1
HK1225834A1 HK16114007A HK16114007A HK1225834A1 HK 1225834 A1 HK1225834 A1 HK 1225834A1 HK 16114007 A HK16114007 A HK 16114007A HK 16114007 A HK16114007 A HK 16114007A HK 1225834 A1 HK1225834 A1 HK 1225834A1
Authority
HK
Hong Kong
Prior art keywords
decoding
systems
methods
dimensional matrix
matrix symbols
Prior art date
Application number
HK16114007A
Other languages
English (en)
Inventor
Ye Xiangyun
Wang Xianju
A Negro James
Original Assignee
Cognex Corp
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 Cognex Corp filed Critical Cognex Corp
Publication of HK1225834A1 publication Critical patent/HK1225834A1/zh

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
    • G06K7/1439—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
    • 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
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • G—PHYSICS
    • G06—COMPUTING; 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10732—Light sources
    • 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
    • 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
    • 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
    • G06K7/1473—Methods for optical code recognition the method including quality enhancement steps error correction
    • 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
    • G06K7/1491—Methods for optical code recognition the method including quality enhancement steps the method including a reconstruction step, e.g. stitching two pieces of bar code together to derive the full bar code

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
HK16114007A 2014-11-18 2016-12-08 解碼二維矩陣符號的方法和系統 HK1225834A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201462081327P 2014-11-18 2014-11-18

Publications (1)

Publication Number Publication Date
HK1225834A1 true HK1225834A1 (zh) 2017-09-15

Family

ID=54545030

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16114007A HK1225834A1 (zh) 2014-11-18 2016-12-08 解碼二維矩陣符號的方法和系統

Country Status (5)

Country Link
US (3) US9911024B2 (zh)
EP (3) EP4137988A1 (zh)
JP (3) JP6975526B2 (zh)
CN (2) CN105654015B (zh)
HK (1) HK1225834A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4137988A1 (en) * 2014-11-18 2023-02-22 Cognex Corporation System and methods for decoding two-dimensional matrix symbols
US9924241B2 (en) * 2015-07-30 2018-03-20 Commscope, Inc. Of North Carolina Intelligent patching systems and methods using color identification tags and related equipment
FR3053811B1 (fr) * 2016-07-06 2018-09-07 Ehtrace Procede d'interpretation de codes-barres et tracabilite de dispositifs medicaux
DE102017109469A1 (de) * 2017-05-03 2018-11-08 Sick Ag Kontrastsensor
WO2019008661A1 (en) * 2017-07-04 2019-01-10 Nec Corporation INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND PROGRAM
CN109214230B (zh) * 2017-07-05 2022-04-05 杭州海康威视数字技术股份有限公司 数据矩阵码识别方法、装置及电子设备
US10540532B2 (en) 2017-09-29 2020-01-21 Datalogic Ip Tech S.R.L. System and method for detecting optical codes with damaged or incomplete finder patterns
CN109978110B (zh) * 2017-12-28 2022-01-28 沈阳新松机器人自动化股份有限公司 一种用于agv定位与导航的二维码及解码方法
CN108507596B (zh) * 2018-03-05 2020-06-30 中国科学院上海光学精密机械研究所 二维gold矩阵绝对位置编码方法及其解码方法
CN109784121B (zh) * 2019-01-14 2022-09-23 新大陆数字技术股份有限公司 Dot-peen DPM码的识别方法及装置
CN110111302B (zh) * 2019-03-28 2021-03-05 北京博睿维讯科技有限公司 基于多方向差异Hash算法的背景杂波度量方法
JP7230652B2 (ja) * 2019-04-05 2023-03-01 オムロン株式会社 シンボル評価装置、および評価方法
US10956696B2 (en) 2019-05-31 2021-03-23 Advanced New Technologies Co., Ltd. Two-dimensional code identification and positioning
JP6931935B2 (ja) * 2019-10-11 2021-09-08 株式会社テララコード研究所 二次元シンボル、及び二次元シンボルの読取方法
CN111079463B (zh) * 2019-10-22 2022-08-16 福建新大陆支付技术有限公司 一种用于软件测试的生成污损二维码的方法
US11188727B1 (en) * 2019-11-26 2021-11-30 Amazon Technologies, Inc. Efficient parallel barcode subpixel alignment
CN110796713B (zh) * 2019-11-29 2023-06-02 北京中科核安科技有限公司 放射源定位方法和装置、电子设备及计算机可读存储介质
JP6989859B2 (ja) * 2020-04-10 2022-01-12 有限会社バラエティーエム・ワン 情報コード、情報コード生成装置、情報コード読取装置、プログラムおよび情報コード利用システム
CN111597856B (zh) * 2020-05-26 2023-04-07 成都鹏业软件股份有限公司 一种基于光敏变色材料的混凝土标识提取方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4301775B2 (ja) * 2002-07-18 2009-07-22 シャープ株式会社 ２次元コード読み取り装置，２次元コード読み取り方法，２次元コード読み取りプログラム及び該プログラムの記録媒体
US7181066B1 (en) 2002-12-26 2007-02-20 Cognex Technology And Investment Corporation Method for locating bar codes and symbols in an image
GB2446424A (en) * 2007-02-07 2008-08-13 Peachinc Ltd Two dimensional bar code with locating symbols
DE102010014937B4 (de) * 2010-04-14 2013-10-17 Ioss Intelligente Optische Sensoren & Systeme Gmbh Verfahren zum Lesen eines Codes auf einem Substrat durch Zusammensetzen von Code-Fragmenten unter Verwendung eines bildgebenden Codelesers
CN101908128B (zh) * 2010-06-01 2012-06-20 福建新大陆电脑股份有限公司 Aztec Code条码解码芯片及其解码方法
CN101882207B (zh) * 2010-06-01 2012-06-20 福建新大陆电脑股份有限公司 Data Matrix码条码解码芯片及其解码方法
JP4724802B1 (ja) 2010-07-30 2011-07-13 株式会社シフト 二次元コードリーダおよびプログラム
JP5522093B2 (ja) * 2011-03-07 2014-06-18 株式会社デンソーウェーブ 光学情報読み取り装置
CN103544516B (zh) * 2012-07-12 2016-09-07 中国移动通信集团公司 二维码的编、解码方法及二维码编码器、解码器
US9946947B2 (en) * 2012-10-31 2018-04-17 Cognex Corporation System and method for finding saddle point-like structures in an image and determining information from the same
EP4137988A1 (en) * 2014-11-18 2023-02-22 Cognex Corporation System and methods for decoding two-dimensional matrix symbols

Also Published As

Publication number Publication date
EP3467700B1 (en) 2022-05-04
JP2023068000A (ja) 2023-05-16
JP6975526B2 (ja) 2021-12-01
CN111797641A (zh) 2020-10-20
JP7245270B2 (ja) 2023-03-23
US9911024B2 (en) 2018-03-06
US20180293418A1 (en) 2018-10-11
JP2021051815A (ja) 2021-04-01
EP4137988A1 (en) 2023-02-22
EP3023905A1 (en) 2016-05-25
EP3023905B1 (en) 2018-08-08
CN105654015A (zh) 2016-06-08
JP2016105276A (ja) 2016-06-09
US11455482B2 (en) 2022-09-27
US20160140374A1 (en) 2016-05-19
EP3467700A1 (en) 2019-04-10
US10956697B2 (en) 2021-03-23
CN105654015B (zh) 2020-07-14
US20220012447A1 (en) 2022-01-13

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