CN1294519C - 二维条码的编码和解码方法 - Google Patents
二维条码的编码和解码方法 Download PDFInfo
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- CN1294519C CN1294519C CNB03117955XA CN03117955A CN1294519C CN 1294519 C CN1294519 C CN 1294519C CN B03117955X A CNB03117955X A CN B03117955XA CN 03117955 A CN03117955 A CN 03117955A CN 1294519 C CN1294519 C CN 1294519C
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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Abstract
Description
纠错等级 | 数据码数 | 纠错码数 | 替代错误纠错率 | 擦除错误纠错率 |
1 | 119 | 8 | 3.1% | 6.3% |
2 | 111 | 16 | 6.3% | 12.6% |
3 | 95 | 32 | 12.6% | 25.2% |
4 | 63 | 64 | 25.2% | 50.4% |
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB03117955XA CN1294519C (zh) | 2003-05-22 | 2003-05-22 | 二维条码的编码和解码方法 |
US10/634,540 US6802450B2 (en) | 2002-08-07 | 2003-08-05 | Guiding a scanning device to decode 2D symbols |
US10/634,283 US7028911B2 (en) | 2002-08-07 | 2003-08-05 | Methods and systems for encoding and decoding data in 2D symbology |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB03117955XA CN1294519C (zh) | 2003-05-22 | 2003-05-22 | 二维条码的编码和解码方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1452117A CN1452117A (zh) | 2003-10-29 |
CN1294519C true CN1294519C (zh) | 2007-01-10 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB03117955XA Expired - Lifetime CN1294519C (zh) | 2002-08-07 | 2003-05-22 | 二维条码的编码和解码方法 |
Country Status (1)
Country | Link |
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CN (1) | CN1294519C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010012194A1 (zh) * | 2008-07-30 | 2010-02-04 | 华为技术有限公司 | 二维码编码方法、解码方法及装置、终端 |
CN101908133A (zh) * | 2010-06-01 | 2010-12-08 | 福建新大陆电脑股份有限公司 | 一种条码解码方法及装置 |
CN102456354A (zh) * | 2010-10-22 | 2012-05-16 | 山东新北洋信息技术股份有限公司 | 磁信息记录方法及装置、磁票 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100433053C (zh) * | 2005-08-26 | 2008-11-12 | 毛山 | 基于二维条码传输信息的方法及其编码装置、解码装置 |
CN100369059C (zh) * | 2006-01-18 | 2008-02-13 | 冯文伦 | 一种矩阵式二维条码及其编码解码方法 |
CN100377173C (zh) * | 2006-03-17 | 2008-03-26 | 北京紫光捷通科技有限公司 | 一种基于十六进制编码的构建二维码的方法 |
CN100464345C (zh) * | 2006-11-07 | 2009-02-25 | 中国物品编码中心 | 二维条码符号转换为编码信息的方法 |
CN101840501B (zh) * | 2010-06-01 | 2012-05-23 | 福建新大陆电脑股份有限公司 | 一种条码图像的解码方法及装置 |
CN101882201B (zh) * | 2010-06-01 | 2012-06-27 | 福建新大陆电脑股份有限公司 | 一种条码解码芯片及方法 |
CN102129585B (zh) * | 2011-03-03 | 2013-03-27 | 天地融科技股份有限公司 | 一种信息传输方法及***、条形码显示及读取装置 |
CN102708349B (zh) | 2012-05-11 | 2014-11-05 | 深圳市天朗时代科技有限公司 | 一种矩阵式二维码的解码方法 |
CN103544516B (zh) * | 2012-07-12 | 2016-09-07 | ***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 |
CN104463291B (zh) * | 2013-09-16 | 2018-06-05 | 深圳市同盛绿色科技有限公司 | 防伪方法及移动设备 |
CN106991348B (zh) * | 2017-03-21 | 2019-11-15 | 浙江华睿科技有限公司 | 一种条码解码方法及装置 |
CN109389195A (zh) * | 2017-08-04 | 2019-02-26 | 武汉矽感科技有限公司 | 一种生成***二维码的方法以及具有该二维码的*** |
TWI635462B (zh) * | 2017-10-18 | 2018-09-11 | 大猩猩科技股份有限公司 | 一種評估影像品質之方法 |
CN109688404B (zh) * | 2017-10-18 | 2021-06-29 | 大猩猩科技股份有限公司 | 一种评估影像质量的方法 |
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1076798A (zh) * | 1992-03-16 | 1993-09-29 | 欧林巴斯光学工业股份有限公司 | 利用ccd/cmd摄象机对二维条形码解码的方法和装置 |
-
2003
- 2003-05-22 CN CNB03117955XA patent/CN1294519C/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1076798A (zh) * | 1992-03-16 | 1993-09-29 | 欧林巴斯光学工业股份有限公司 | 利用ccd/cmd摄象机对二维条形码解码的方法和装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010012194A1 (zh) * | 2008-07-30 | 2010-02-04 | 华为技术有限公司 | 二维码编码方法、解码方法及装置、终端 |
CN101908133A (zh) * | 2010-06-01 | 2010-12-08 | 福建新大陆电脑股份有限公司 | 一种条码解码方法及装置 |
CN101908133B (zh) * | 2010-06-01 | 2012-06-06 | 福建新大陆电脑股份有限公司 | 一种条码解码方法及装置 |
CN102456354A (zh) * | 2010-10-22 | 2012-05-16 | 山东新北洋信息技术股份有限公司 | 磁信息记录方法及装置、磁票 |
CN102456354B (zh) * | 2010-10-22 | 2015-05-20 | 山东新北洋信息技术股份有限公司 | 磁信息记录方法及装置、磁票 |
Also Published As
Publication number | Publication date |
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CN1452117A (zh) | 2003-10-29 |
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