CL2016001036A1 - Método y dispositivo de reconocimiento óptico de caracteres orientado a fondo complejo - Google Patents

Método y dispositivo de reconocimiento óptico de caracteres orientado a fondo complejo

Info

Publication number
CL2016001036A1
CL2016001036A1 CL2016001036A CL2016001036A CL2016001036A1 CL 2016001036 A1 CL2016001036 A1 CL 2016001036A1 CL 2016001036 A CL2016001036 A CL 2016001036A CL 2016001036 A CL2016001036 A CL 2016001036A CL 2016001036 A1 CL2016001036 A1 CL 2016001036A1
Authority
CL
Chile
Prior art keywords
characters
character recognition
recognition method
optical character
complex background
Prior art date
Application number
CL2016001036A
Other languages
English (en)
Inventor
Tiancai Liang
Liangxu Chen
Xingyu Zhao
Original Assignee
Grg Banking Equipment Co Ltd
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 Grg Banking Equipment Co Ltd filed Critical Grg Banking Equipment Co Ltd
Publication of CL2016001036A1 publication Critical patent/CL2016001036A1/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—Two-dimensional [2D] image generation
    • G06T11/60—Creating or editing images; Combining images with text
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G06V30/153—Segmentation of character regions using recognition of characters or words
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/413—Classification of content, e.g. text, photographs or tables
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20024—Filtering details
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Artificial Intelligence (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)

Abstract

MÉTODO DE RECONOCIMIENTO ÓPTICO DE CARACTERES, QUE COMPRENDE CAPTURAR INFORMACIÓN DE IMAGEN, ADQUIRIR UNA REGIÓN DE CARACTERES DIANA A PARTIR DE LA IMAGEN, EXTRAER UNA INFORMACIÓN DE BORDES DE CARACTERES, SUPERPONER EL OBJETO DIANA Y LA IMAGEN EXTRAÍDA, REALIZAR UNA INVERSA Y UN FILTRO GAUSSIANO, BUSCAR UNA UBICACIÓN DE LOS CARACTERES DIANA, Y RECONOCER LOS CARACTERES DIANA; DISPOSITIVO.
CL2016001036A 2013-11-08 2016-04-29 Método y dispositivo de reconocimiento óptico de caracteres orientado a fondo complejo CL2016001036A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310553984.1A CN103544491A (zh) 2013-11-08 2013-11-08 一种面向复杂背景的光学字符识别方法及装置

Publications (1)

Publication Number Publication Date
CL2016001036A1 true CL2016001036A1 (es) 2016-12-02

Family

ID=49967926

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2016001036A CL2016001036A1 (es) 2013-11-08 2016-04-29 Método y dispositivo de reconocimiento óptico de caracteres orientado a fondo complejo

Country Status (7)

Country Link
US (1) US9613266B2 (es)
EP (1) EP3067830A4 (es)
CN (1) CN103544491A (es)
AU (1) AU2014346263B2 (es)
CL (1) CL2016001036A1 (es)
WO (1) WO2015066984A1 (es)
ZA (1) ZA201603037B (es)

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CN108121991B (zh) * 2018-01-06 2022-11-15 北京航空航天大学 一种基于边缘候选区域提取的深度学习舰船目标检测方法
CN109101969A (zh) * 2018-08-23 2018-12-28 深圳市深晓科技有限公司 一种基于字符识别的图像处理方法及装置
CN109344116B (zh) * 2018-09-21 2022-03-15 福州大学 Prewitt算子的NEON加速引擎器
CN109543686B (zh) * 2018-10-24 2023-04-25 重庆师范大学 基于自适应多阈值的字符识别预处理二值化方法
CN109785353B (zh) * 2019-01-15 2020-12-08 佛山市顺德区中山大学研究院 一种二维码的二次遍历二值化方法、装置和存储介质
CN110119741B (zh) * 2019-04-08 2022-09-27 浙江大学宁波理工学院 一种有背景的卡证图像信息识别方法
CN110765994B (zh) * 2019-10-10 2023-05-26 广东小天才科技有限公司 一种书本内容定位方法、装置、电子设备及存储介质
CN112766249B (zh) * 2019-11-04 2024-06-14 深圳怡化电脑股份有限公司 票据边界定位方法、装置及终端设备
CN111738247B (zh) * 2020-05-15 2023-07-25 上海望友信息科技有限公司 极性标识的识别方法、识别装置、电子设备及存储介质
CN111680688B (zh) * 2020-06-10 2023-08-08 创新奇智(成都)科技有限公司 字符识别方法及装置、电子设备、存储介质
CN112053299B (zh) * 2020-08-27 2022-07-19 杭州安旭生物科技股份有限公司 一种基于胶体金免疫层析法的图像处理方法
CN113963354B (zh) * 2021-12-16 2022-04-12 深圳市活力天汇科技股份有限公司 一种获取订单编号的方法和装置
CN114581659A (zh) * 2022-01-20 2022-06-03 厦门聚视智创科技有限公司 一种复杂背景下的目标识别及分割方法

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US7236643B2 (en) * 2002-03-22 2007-06-26 Lockheed Martin Corporation System and method for filtering and binarization of images in the presence of specular noise
CN100371944C (zh) * 2006-03-03 2008-02-27 清华大学 基于反射或透射光强分布特性的灰度图像分割方法
CN101903907B (zh) * 2007-12-21 2012-11-14 杜比实验室特许公司 针对边缘的图像处理
US8073284B2 (en) * 2008-04-03 2011-12-06 Seiko Epson Corporation Thresholding gray-scale images to produce bitonal images
CN101303803A (zh) * 2008-06-11 2008-11-12 北京中星微电子有限公司 一种车牌识别的方法和系统
CN101667289B (zh) * 2008-11-19 2011-08-24 西安电子科技大学 基于nsct特征提取和监督分类的视网膜图像分割方法
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CN101872416B (zh) * 2010-05-06 2013-05-01 复旦大学 对道路图像进行车牌识别的方法和系统
CN102426649B (zh) * 2011-10-13 2013-08-21 石家庄开发区冀科双实科技有限公司 一种简单的高准确率的钢印数字自动识别方法
CN102622732A (zh) * 2012-03-14 2012-08-01 上海大学 一种前扫声纳图像拼接方法
CN102779275B (zh) * 2012-07-04 2015-06-17 广州广电运通金融电子股份有限公司 一种纸类字符识别方法及相关装置
CN102831416A (zh) 2012-08-15 2012-12-19 广州广电运通金融电子股份有限公司 一种字符识别方法及相关装置
CN102915438B (zh) * 2012-08-21 2016-11-23 北京捷成世纪科技股份有限公司 一种视频字幕的提取方法及装置
CN103258198B (zh) * 2013-04-26 2015-12-23 四川大学 一种表格文档图像中字符提取方法

Also Published As

Publication number Publication date
US20160259972A1 (en) 2016-09-08
WO2015066984A1 (zh) 2015-05-14
EP3067830A4 (en) 2017-01-04
EP3067830A1 (en) 2016-09-14
ZA201603037B (en) 2017-07-26
US9613266B2 (en) 2017-04-04
AU2014346263B2 (en) 2016-11-17
CN103544491A (zh) 2014-01-29

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