CN1725228A - 利用背景像素的手写识别方法和系统 - Google Patents
利用背景像素的手写识别方法和系统 Download PDFInfo
- Publication number
- CN1725228A CN1725228A CNA2004100544346A CN200410054434A CN1725228A CN 1725228 A CN1725228 A CN 1725228A CN A2004100544346 A CNA2004100544346 A CN A2004100544346A CN 200410054434 A CN200410054434 A CN 200410054434A CN 1725228 A CN1725228 A CN 1725228A
- Authority
- CN
- China
- Prior art keywords
- background
- character
- proper vector
- pixel
- concavity
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 239000013598 vector Substances 0.000 claims abstract description 116
- 239000000284 extract Substances 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims description 13
- 238000010606 normalization Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 230000014509 gene expression Effects 0.000 abstract description 5
- 238000009415 formwork Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012952 Resampling Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06V30/18—Extraction of features or characteristics of the image
- G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Discrimination (AREA)
Abstract
Description
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100544346A CN100343864C (zh) | 2004-07-22 | 2004-07-22 | 利用背景像素的手写识别方法和系统 |
PCT/US2005/023320 WO2006019537A1 (en) | 2004-07-22 | 2005-06-30 | Method and system for handwriting recognition using background pixels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100544346A CN100343864C (zh) | 2004-07-22 | 2004-07-22 | 利用背景像素的手写识别方法和系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1725228A true CN1725228A (zh) | 2006-01-25 |
CN100343864C CN100343864C (zh) | 2007-10-17 |
Family
ID=35907701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100544346A Expired - Lifetime CN100343864C (zh) | 2004-07-22 | 2004-07-22 | 利用背景像素的手写识别方法和系统 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100343864C (zh) |
WO (1) | WO2006019537A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106326887A (zh) * | 2016-08-29 | 2017-01-11 | 东方网力科技股份有限公司 | 一种光学字符识别结果的校验方法及装置 |
CN110929749A (zh) * | 2019-10-15 | 2020-03-27 | 平安科技(深圳)有限公司 | 文本识别方法、装置、介质及电子设备 |
CN114220106A (zh) * | 2021-12-14 | 2022-03-22 | 北京有竹居网络技术有限公司 | 一种图像处理方法及装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3027321B2 (ja) * | 1994-09-27 | 2000-04-04 | 財団法人工業技術研究院 | 拘束のない手書き英数字のオンライン認識の方法及び装置 |
US5970170A (en) * | 1995-06-07 | 1999-10-19 | Kodak Limited | Character recognition system indentification of scanned and real time handwritten characters |
CN1161906C (zh) * | 2001-06-04 | 2004-08-11 | 华为技术有限公司 | 手写字体的无线传输与识别方法 |
-
2004
- 2004-07-22 CN CNB2004100544346A patent/CN100343864C/zh not_active Expired - Lifetime
-
2005
- 2005-06-30 WO PCT/US2005/023320 patent/WO2006019537A1/en active Application Filing
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106326887A (zh) * | 2016-08-29 | 2017-01-11 | 东方网力科技股份有限公司 | 一种光学字符识别结果的校验方法及装置 |
CN106326887B (zh) * | 2016-08-29 | 2019-05-21 | 东方网力科技股份有限公司 | 一种光学字符识别结果的校验方法及装置 |
CN110929749A (zh) * | 2019-10-15 | 2020-03-27 | 平安科技(深圳)有限公司 | 文本识别方法、装置、介质及电子设备 |
CN110929749B (zh) * | 2019-10-15 | 2022-04-29 | 平安科技(深圳)有限公司 | 文本识别方法、装置、介质及电子设备 |
CN114220106A (zh) * | 2021-12-14 | 2022-03-22 | 北京有竹居网络技术有限公司 | 一种图像处理方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2006019537A1 (en) | 2006-02-23 |
CN100343864C (zh) | 2007-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1107283C (zh) | 手写体输入字符识别的方法和设备 | |
AU2010311067B2 (en) | System and method for increasing the accuracy of optical character recognition (OCR) | |
KR20190123790A (ko) | 전자 문서로부터 데이터 추출 | |
Koga et al. | Camera-based kanji ocr for mobile-phones: Practical issues | |
CN101604381B (zh) | 基于多分类支持向量机的车牌字符识别方法 | |
US11790675B2 (en) | Recognition of handwritten text via neural networks | |
CN110942004A (zh) | 基于神经网络模型的手写识别方法、装置及电子设备 | |
US6532302B2 (en) | Multiple size reductions for image segmentation | |
CN107451582A (zh) | 一种图文识别系统及其识别方法 | |
JP2021179848A (ja) | 画像処理システム、画像処理方法、及びプログラム | |
Al Abodi et al. | An effective approach to offline Arabic handwriting recognition | |
US10217020B1 (en) | Method and system for identifying multiple strings in an image based upon positions of model strings relative to one another | |
CN114937278A (zh) | 基于行文本框分词算法的文本内容提取识别方法 | |
Hallur et al. | Handwritten Kannada numerals recognition using deep learning convolution neural network (DCNN) classifier | |
US6266445B1 (en) | Classification-driven thresholding of a normalized grayscale image | |
US10115036B2 (en) | Determining the direction of rows of text | |
CN100343864C (zh) | 利用背景像素的手写识别方法和系统 | |
CN110070042A (zh) | 文字识别方法、装置和电子设备 | |
CN111435407A (zh) | 错别字的纠正方法、装置、设备及存储介质 | |
CN1619583A (zh) | 手写识别的方法和系统 | |
KR20060096208A (ko) | 문자인식 시스템의 필기체 표시방법 | |
CN106803269B (zh) | 对文档图像进行透视校正的方法和设备 | |
KR20050003075A (ko) | 문자인식기능과 전자사전을 구비하는 휴대통신장치및 문자인식기능을 구비하는 전자사전 | |
CN118135578B (zh) | 一种基于图文识别后的文字学习校对系统 | |
CN117710985B (zh) | 光学字符识别方法、装置及智能终端 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110120 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110120 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160309 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20071017 |