CN107679436B - 一种适用于弯曲形变二维码的图像修正方法 - Google Patents
一种适用于弯曲形变二维码的图像修正方法 Download PDFInfo
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- CN107679436B CN107679436B CN201710783948.2A CN201710783948A CN107679436B CN 107679436 B CN107679436 B CN 107679436B CN 201710783948 A CN201710783948 A CN 201710783948A CN 107679436 B CN107679436 B CN 107679436B
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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
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
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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
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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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
- G06K7/1452—Methods for optical code recognition including a method step for retrieval of the optical code detecting bar code edges
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/187—Segmentation; Edge detection involving region growing; involving region merging; involving connected component labelling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109815763A (zh) * | 2019-01-04 | 2019-05-28 | 广州广电研究院有限公司 | 二维码的检测方法、装置和存储介质 |
CN109858304B (zh) * | 2019-01-04 | 2022-02-01 | 广州广电研究院有限公司 | 二维码位置探测图形的检测方法、装置和存储介质 |
CN109902527B (zh) * | 2019-02-26 | 2022-06-07 | 凌云光技术股份有限公司 | 一种qr码自动识读方法和装置 |
CN110009615B (zh) * | 2019-03-31 | 2020-06-19 | 深圳大学 | 图像角点的检测方法及检测装置 |
KR102085480B1 (ko) | 2019-06-14 | 2020-05-18 | 이광열 | Qr 코드를 인쇄하기 위한 장치, 시스템, 방법 및 컴퓨터 프로그램 |
CN110502948B (zh) * | 2019-07-05 | 2023-01-20 | 郭玮强 | 折叠二维码图像的还原方法、还原装置与扫码设备 |
CN111429516A (zh) * | 2020-03-23 | 2020-07-17 | 上海眼控科技股份有限公司 | 车架号的角点定位方法、装置、计算机设备及存储介质 |
CN111815725B (zh) * | 2020-07-29 | 2024-03-08 | 苏州中科全象智能科技有限公司 | 一种qr码区域定位方法 |
CN112037201A (zh) * | 2020-08-31 | 2020-12-04 | 河北工程大学 | 一种基于线结构光图像的有向生长结构光中心提取方法 |
CN112233313B (zh) * | 2020-10-19 | 2022-06-21 | 中国工商银行股份有限公司 | 一种纸币识别方法、装置及设备 |
CN113095104A (zh) * | 2021-05-08 | 2021-07-09 | 山东新一代信息产业技术研究院有限公司 | 一种缺损二维码定位方法 |
CN114021683B (zh) * | 2021-11-04 | 2022-10-14 | 广州市金库物联科技有限公司 | 一种彩色圆角防伪二维码生成方法及装置 |
CN116167395B (zh) * | 2023-04-26 | 2023-09-22 | 荣耀终端有限公司 | 一种扫码方法及电子设备 |
CN116309577B (zh) * | 2023-05-19 | 2023-08-04 | 山东晨光胶带有限公司 | 一种高强传送带物料智能检测方法及系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104424457A (zh) * | 2013-08-20 | 2015-03-18 | 复旦大学 | 一种非线性扭曲情况下的二维码识别方法 |
CN105701434A (zh) * | 2015-12-30 | 2016-06-22 | 广州卓德信息科技有限公司 | 二维码扭曲图像的图像校正方法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104424457A (zh) * | 2013-08-20 | 2015-03-18 | 复旦大学 | 一种非线性扭曲情况下的二维码识别方法 |
CN105701434A (zh) * | 2015-12-30 | 2016-06-22 | 广州卓德信息科技有限公司 | 二维码扭曲图像的图像校正方法 |
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Address after: 528311 1st floor, building 5, Qide real estate Park, No.2, Xingye East Road, Shunjiang Neighborhood Committee Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Guoyu Technology Co.,Ltd. Address before: 528000 floor 1, building 5, Qide real estate Park, No. 2, Xingye East Road, Shunjiang Neighborhood Committee Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG NATIONAL BOWLDER TECHNOLOGY CO.,LTD. |
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