HK1202177A1 - Systems and methods for pattern stitching and decoding using multiple captured images - Google Patents

Systems and methods for pattern stitching and decoding using multiple captured images Download PDF

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Publication number
HK1202177A1
HK1202177A1 HK15102700.0A HK15102700A HK1202177A1 HK 1202177 A1 HK1202177 A1 HK 1202177A1 HK 15102700 A HK15102700 A HK 15102700A HK 1202177 A1 HK1202177 A1 HK 1202177A1
Authority
HK
Hong Kong
Prior art keywords
image
symbol
binary matrix
data region
symbol data
Prior art date
Application number
HK15102700.0A
Other languages
English (en)
Chinese (zh)
Inventor
Xianju Wang
Xiangyun Ye
Original Assignee
Cognex Corporation
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 Corporation filed Critical Cognex Corporation
Publication of HK1202177A1 publication Critical patent/HK1202177A1/en

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Classifications

    • 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
    • G06K7/146—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
    • 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

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)
  • Studio Devices (AREA)
  • Image Analysis (AREA)
HK15102700.0A 2013-03-15 2015-03-17 Systems and methods for pattern stitching and decoding using multiple captured images HK1202177A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/843,057 US9104932B2 (en) 2013-03-15 2013-03-15 Systems and methods for pattern stitching and decoding using multiple captured images
US201313843057 2013-03-15

Publications (1)

Publication Number Publication Date
HK1202177A1 true HK1202177A1 (en) 2015-09-18

Family

ID=50112686

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15102700.0A HK1202177A1 (en) 2013-03-15 2015-03-17 Systems and methods for pattern stitching and decoding using multiple captured images

Country Status (4)

Country Link
US (1) US9104932B2 (cg-RX-API-DMAC7.html)
EP (3) EP2779023B1 (cg-RX-API-DMAC7.html)
JP (2) JP2014197842A (cg-RX-API-DMAC7.html)
HK (1) HK1202177A1 (cg-RX-API-DMAC7.html)

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US9684810B2 (en) * 2013-03-15 2017-06-20 D2L Corporation System and method for partite optically readable code
US10140496B2 (en) * 2014-12-02 2018-11-27 Symbol Technologies, Llc System for and method of stitching barcode fragments of a barcode symbol to be read in an imaging-based presentation workstation
JP6457983B2 (ja) * 2015-08-10 2019-01-23 コグネックス・コーポレイション 複数の撮影画像を用いてパターンステッチ及びデコードする為に画像取得設定を分類するシステム及び方法
CN110728161A (zh) * 2019-09-24 2020-01-24 天翼电子商务有限公司 复杂二维码的识别方法、系统、介质及设备
CN112541369B (zh) * 2020-12-14 2022-08-05 合肥高维数据技术有限公司 一种信息码识别方法及系统
WO2022261496A1 (en) 2021-06-10 2022-12-15 Cognex Corporation Methods, systems, and media for generating images of multiple sides of an object
EP4528582B1 (de) 2023-09-20 2025-06-18 Sick Ag Kameravorrichtung und verfahren zum lesen optischer codes

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JP4337597B2 (ja) 2004-03-26 2009-09-30 カシオ計算機株式会社 コードシンボル読取装置、および、プログラム
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US9734376B2 (en) * 2007-11-13 2017-08-15 Cognex Corporation System and method for reading patterns using multiple image frames
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DE202012102113U1 (de) 2012-06-11 2012-07-03 Sick Ag Optoelektronischer Codeleser
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Also Published As

Publication number Publication date
JP6457971B2 (ja) 2019-01-23
EP3229170A3 (en) 2018-02-28
JP2016184422A (ja) 2016-10-20
EP3654231B1 (en) 2021-08-04
JP2014197842A (ja) 2014-10-16
EP2779023A1 (en) 2014-09-17
EP2779023B1 (en) 2019-06-19
EP3229170A2 (en) 2017-10-11
US9104932B2 (en) 2015-08-11
US20140270539A1 (en) 2014-09-18
EP3654231A1 (en) 2020-05-20

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