JP5393428B2 - コード検出及び復号化システム - Google Patents

コード検出及び復号化システム Download PDF

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JP5393428B2
JP5393428B2 JP2009285726A JP2009285726A JP5393428B2 JP 5393428 B2 JP5393428 B2 JP 5393428B2 JP 2009285726 A JP2009285726 A JP 2009285726A JP 2009285726 A JP2009285726 A JP 2009285726A JP 5393428 B2 JP5393428 B2 JP 5393428B2
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code
finder
detected
angle
vector
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JP2010170539A (ja
JP2010170539A5 (https=
Inventor
ウェイ レオン イープ アルヴィン
エドワード イーコブ ステファン
スウェン ジェームズ
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Canon Inc
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Canon Inc
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Priority claimed from AU2008261177A external-priority patent/AU2008261177B2/en
Priority claimed from AU2008261179A external-priority patent/AU2008261179B2/en
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Publication of JP2010170539A5 publication Critical patent/JP2010170539A5/ja
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    • 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
    • G06K7/1452—Methods for optical code recognition including a method step for retrieval of the optical code detecting bar code edges
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2009285726A 2008-12-22 2009-12-16 コード検出及び復号化システム Active JP5393428B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2008261177A AU2008261177B2 (en) 2008-12-22 2008-12-22 Target feature detection system
AU2008261179 2008-12-22
AU2008261177 2008-12-22
AU2008261179A AU2008261179B2 (en) 2008-12-22 2008-12-22 QR code decoding system

Publications (3)

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JP2010170539A JP2010170539A (ja) 2010-08-05
JP2010170539A5 JP2010170539A5 (https=) 2013-01-10
JP5393428B2 true JP5393428B2 (ja) 2014-01-22

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US (1) US9355293B2 (https=)
JP (1) JP5393428B2 (https=)

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US8717400B2 (en) 2011-07-29 2014-05-06 Lifesize Communications, Inc. Automatically moving a conferencing based on proximity of a participant
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CN104517090B (zh) * 2013-09-29 2017-09-05 北大方正集团有限公司 一种qr码探测图形的检测方法及系统
CN104517091A (zh) * 2013-09-29 2015-04-15 北大方正集团有限公司 一种qr码探测图形的筛选方法及系统
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WO2015147862A1 (en) * 2014-03-28 2015-10-01 Hewlett-Packard Development Company, L.P. Determine presence of quasi-periodic two-dimensional object
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CN105138943B (zh) * 2015-09-02 2017-10-24 福建联迪商用设备有限公司 Qr码位置探测图形破损时的解码方法及系统
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WO2017113290A1 (zh) * 2015-12-31 2017-07-06 深圳配天智能技术研究院有限公司 一种一维码定位的方法及装置
CN106384143B (zh) * 2016-09-20 2020-03-17 北京兆信信息技术股份有限公司 一种动态电子二维码生成方法及识别方法
CN106529370B (zh) * 2016-10-18 2019-08-13 福州觉感视觉软件科技有限公司 一种多qr码识别方法
CN106778440B (zh) * 2016-12-21 2020-04-21 腾讯科技（深圳）有限公司 二维码识别方法及装置
CN106874906B (zh) * 2017-01-17 2023-02-28 腾讯科技（上海）有限公司 一种图片的二值化方法、装置及终端
CN112861560B (zh) * 2017-09-27 2023-12-22 创新先进技术有限公司 二维码定位方法及装置
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CN108388822B (zh) * 2018-01-25 2021-03-23 微梦创科网络科技（中国）有限公司 一种检测二维码图像的方法和装置
CN109359999B (zh) * 2018-08-21 2021-10-29 同济大学 用于商品外包装的二维线段图形的编解码方法
JP2020064374A (ja) 2018-10-15 2020-04-23 富士通株式会社 コード情報読取装置、方法、及びプログラム
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CN109711223A (zh) * 2018-12-28 2019-05-03 福州符号信息科技有限公司 一种提升qr码解码率方法及设备
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CN109977720B (zh) * 2019-03-28 2021-07-20 尤尼泰克(嘉兴)信息技术有限公司 一种快速解析二维码图像的方法及装置
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CN112199972A (zh) * 2020-10-28 2021-01-08 普联技术有限公司 一种识别定位点的方法
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JP7815058B2 (ja) * 2022-08-04 2026-02-17 芝浦メカトロニクス株式会社 錠剤印刷装置及び錠剤印刷方法
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US20100155464A1 (en) 2010-06-24
US9355293B2 (en) 2016-05-31

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