ATE386989T1 - Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen - Google Patents
Verfahren und vorrichtung zum dekodieren handschriftlicher zeichenInfo
- Publication number
- ATE386989T1 ATE386989T1 AT02801225T AT02801225T ATE386989T1 AT E386989 T1 ATE386989 T1 AT E386989T1 AT 02801225 T AT02801225 T AT 02801225T AT 02801225 T AT02801225 T AT 02801225T AT E386989 T1 ATE386989 T1 AT E386989T1
- Authority
- AT
- Austria
- Prior art keywords
- character
- membership
- handwritten strokes
- handwritten characters
- handwritten
- Prior art date
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
- G06V30/24—Character recognition characterised by the processing or recognition method
- G06V30/242—Division of the character sequences into groups prior to recognition; Selection of dictionaries
- G06V30/244—Division of the character sequences into groups prior to recognition; Selection of dictionaries using graphical properties, e.g. alphabet type or font
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
-
- 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
- G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
- G06V30/1423—Image acquisition using hand-held instruments; Constructional details of the instruments the instrument generating sequences of position coordinates corresponding to handwriting
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Evolutionary Computation (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Artificial Intelligence (AREA)
- Character Discrimination (AREA)
- Facsimile Image Signal Circuits (AREA)
- Vending Machines For Individual Products (AREA)
- Character Input (AREA)
- Input From Keyboards Or The Like (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPR8245A AUPR824501A0 (en) | 2001-10-15 | 2001-10-15 | Methods and systems (npw003) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE386989T1 true ATE386989T1 (de) | 2008-03-15 |
Family
ID=3832070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02801225T ATE386989T1 (de) | 2001-10-15 | 2002-10-15 | Verfahren und vorrichtung zum dekodieren handschriftlicher zeichen |
Country Status (12)
| Country | Link |
|---|---|
| US (6) | US7359551B2 (de) |
| EP (1) | EP1444642B1 (de) |
| JP (1) | JP4274941B2 (de) |
| KR (1) | KR100651762B1 (de) |
| CN (1) | CN100533470C (de) |
| AT (1) | ATE386989T1 (de) |
| AU (3) | AUPR824501A0 (de) |
| CA (1) | CA2463230C (de) |
| DE (1) | DE60225170T2 (de) |
| IL (1) | IL161383A0 (de) |
| WO (1) | WO2003034325A1 (de) |
| ZA (1) | ZA200402925B (de) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030202097A1 (en) | 2000-10-26 | 2003-10-30 | Autoliv Development Ab | Night vision arrangement |
| AUPR824501A0 (en) * | 2001-10-15 | 2001-11-08 | Silverbrook Research Pty. Ltd. | Methods and systems (npw003) |
| US7995095B2 (en) | 2001-10-18 | 2011-08-09 | Autoliv Development Ab | Night vision device for a vehicle |
| US20050281467A1 (en) * | 2003-01-24 | 2005-12-22 | Stahovich Thomas F | Recognizing multi-stroke symbols |
| AU2003900865A0 (en) * | 2003-02-26 | 2003-03-13 | Silverbrook Research Pty Ltd | Methods, systems and apparatus (NPW010) |
| CN100405389C (zh) * | 2004-08-06 | 2008-07-23 | 摩托罗拉公司 | 从划线标记识别字符的方法和装置 |
| US20090300554A1 (en) * | 2008-06-03 | 2009-12-03 | Nokia Corporation | Gesture Recognition for Display Zoom Feature |
| KR101080255B1 (ko) * | 2009-07-21 | 2011-11-08 | (주)펜앤프리 | 필기 패턴에 따른 필기 정보 입력 장치 및 필기 정보 입력 방법 |
| CN101916378B (zh) * | 2010-07-20 | 2013-01-09 | 青岛海信网络科技股份有限公司 | 易混淆字符的识别方法及装置 |
| US8363947B2 (en) | 2010-07-31 | 2013-01-29 | International Business Machines Corporation | Handwritten character recognition based on frequency variations in characters |
| US8768062B2 (en) * | 2010-11-09 | 2014-07-01 | Tata Consulting Services Limited | Online script independent recognition of handwritten sub-word units and words |
| US20120281919A1 (en) * | 2011-05-06 | 2012-11-08 | King Abdul Aziz City For Science And Technology | Method and system for text segmentation |
| CN102968265B (zh) * | 2011-09-01 | 2015-12-16 | 晨星软件研发(深圳)有限公司 | 将触控点转换为输入文字的方法及触控装置 |
| US9916538B2 (en) | 2012-09-15 | 2018-03-13 | Z Advanced Computing, Inc. | Method and system for feature detection |
| US11195057B2 (en) | 2014-03-18 | 2021-12-07 | Z Advanced Computing, Inc. | System and method for extremely efficient image and pattern recognition and artificial intelligence platform |
| US11914674B2 (en) | 2011-09-24 | 2024-02-27 | Z Advanced Computing, Inc. | System and method for extremely efficient image and pattern recognition and artificial intelligence platform |
| US8873813B2 (en) | 2012-09-17 | 2014-10-28 | Z Advanced Computing, Inc. | Application of Z-webs and Z-factors to analytics, search engine, learning, recognition, natural language, and other utilities |
| US8311973B1 (en) | 2011-09-24 | 2012-11-13 | Zadeh Lotfi A | Methods and systems for applications for Z-numbers |
| US11074495B2 (en) | 2013-02-28 | 2021-07-27 | Z Advanced Computing, Inc. (Zac) | System and method for extremely efficient image and pattern recognition and artificial intelligence platform |
| US20130106894A1 (en) | 2011-10-31 | 2013-05-02 | Elwha LLC, a limited liability company of the State of Delaware | Context-sensitive query enrichment |
| US9082005B2 (en) * | 2012-03-19 | 2015-07-14 | Disney Enterprises, Inc. | Smart scribbles for sketch segmentation |
| JP5284523B1 (ja) * | 2012-09-05 | 2013-09-11 | 株式会社東芝 | 情報処理システム、プログラムおよび情報処理システムの処理方法 |
| US9330331B2 (en) | 2013-11-11 | 2016-05-03 | Wipro Limited | Systems and methods for offline character recognition |
| US9286527B2 (en) | 2014-02-20 | 2016-03-15 | Google Inc. | Segmentation of an input by cut point classification |
| US9524440B2 (en) * | 2014-04-04 | 2016-12-20 | Myscript | System and method for superimposed handwriting recognition technology |
| US9384403B2 (en) | 2014-04-04 | 2016-07-05 | Myscript | System and method for superimposed handwriting recognition technology |
| US20160154555A1 (en) * | 2014-12-02 | 2016-06-02 | Lenovo (Singapore) Pte. Ltd. | Initiating application and performing function based on input |
| CN104537347A (zh) * | 2014-12-25 | 2015-04-22 | 安徽寰智信息科技股份有限公司 | 一种基于云端分析和模型匹配的唇形识别文字输入方法 |
| US10402734B2 (en) * | 2015-08-26 | 2019-09-03 | Google Llc | Temporal based word segmentation |
| CN105512692B (zh) * | 2015-11-30 | 2019-04-09 | 华南理工大学 | 基于blstm的联机手写数学公式符号识别方法 |
| US10163004B2 (en) * | 2017-03-30 | 2018-12-25 | Konica Minolta Laboratory U.S.A., Inc. | Inferring stroke information from an image |
| US10748031B1 (en) * | 2019-05-22 | 2020-08-18 | Read-Ink Corporation | Handwriting recognition systems and methods |
| CN110503101A (zh) * | 2019-08-23 | 2019-11-26 | 北大方正集团有限公司 | 字形评价方法、装置、设备及计算机可读存储介质 |
| CN110866499B (zh) * | 2019-11-15 | 2022-12-13 | 爱驰汽车有限公司 | 手写文本识别方法、系统、设备及介质 |
| CN114612774A (zh) * | 2022-02-25 | 2022-06-10 | 共达地创新技术(深圳)有限公司 | 目标检测及其模型构建方法、电子设备和存储介质 |
| KR102581822B1 (ko) * | 2023-04-18 | 2023-09-26 | (주)핸듀 | 교육용 프로그램에서 문자를 인식하는 방법 |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3755780A (en) * | 1971-06-28 | 1973-08-28 | Pattern Analysis & Recognition | Method for recognizing characters |
| JPS51115718A (en) * | 1975-02-24 | 1976-10-12 | Pioneer Electronic Corp | Bi-directional catv system |
| US4345245A (en) * | 1979-11-26 | 1982-08-17 | Eltra Corporation | Method and apparatus for arranging segmented character groups in a digital typesetter |
| US4731857A (en) * | 1984-06-29 | 1988-03-15 | International Business Machines Corporation | Recognition system for run-on handwritten characters |
| US4837842A (en) * | 1986-09-19 | 1989-06-06 | Holt Arthur W | Character and pattern recognition machine and method |
| US4864618A (en) * | 1986-11-26 | 1989-09-05 | Wright Technologies, L.P. | Automated transaction system with modular printhead having print authentication feature |
| US5051736A (en) * | 1989-06-28 | 1991-09-24 | International Business Machines Corporation | Optical stylus and passive digitizing tablet data input system |
| CA2077970C (en) * | 1991-11-19 | 1999-02-23 | Daniel P. Huttenlocher | Optical word recognition by examination of word shape |
| US5477012A (en) * | 1992-04-03 | 1995-12-19 | Sekendur; Oral F. | Optical position determination |
| US5852434A (en) * | 1992-04-03 | 1998-12-22 | Sekendur; Oral F. | Absolute optical position determination |
| US5491758A (en) * | 1993-01-27 | 1996-02-13 | International Business Machines Corporation | Automatic handwriting recognition using both static and dynamic parameters |
| JP2682416B2 (ja) | 1993-12-24 | 1997-11-26 | 日本電気株式会社 | 図形認識装置 |
| US5745599A (en) * | 1994-01-19 | 1998-04-28 | Nippon Telegraph And Telephone Corporation | Character recognition method |
| DE4407998C2 (de) * | 1994-03-10 | 1996-03-14 | Ibm | Verfahren und Vorrichtung zur Erkennung eines Musters auf einem Beleg |
| US7103460B1 (en) * | 1994-05-09 | 2006-09-05 | Automotive Technologies International, Inc. | System and method for vehicle diagnostics |
| US20050192727A1 (en) * | 1994-05-09 | 2005-09-01 | Automotive Technologies International Inc. | Sensor Assemblies |
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| US5652414A (en) * | 1994-08-18 | 1997-07-29 | Otis Elevator Company | Elevator active guidance system having a coordinated controller |
| DE29521538U1 (de) * | 1994-09-09 | 1997-06-26 | Motorola, Inc., Schaumburg, Ill. | Vorrichtung zum Erkennen der Grenze zwischen Zeichen in einem handgeschriebenen Text |
| 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 |
| US5661506A (en) * | 1994-11-10 | 1997-08-26 | Sia Technology Corporation | Pen and paper information recording system using an imaging pen |
| JP3445680B2 (ja) | 1995-03-10 | 2003-09-08 | シャープ株式会社 | 手書き認識装置 |
| US5706364A (en) * | 1995-04-28 | 1998-01-06 | Xerox Corporation | Method of producing character templates using unsegmented samples |
| JPH0935001A (ja) | 1995-07-21 | 1997-02-07 | Oki Electric Ind Co Ltd | 筆記文字認識方法および認識装置 |
| US6081261A (en) | 1995-11-01 | 2000-06-27 | Ricoh Corporation | Manual entry interactive paper and electronic document handling and processing system |
| US5692073A (en) * | 1996-05-03 | 1997-11-25 | Xerox Corporation | Formless forms and paper web using a reference-based mark extraction technique |
| US5713478A (en) * | 1996-10-23 | 1998-02-03 | Habisohn; Chris X. | Method for deactivating swing control with a timer |
| US6518950B1 (en) * | 1997-10-07 | 2003-02-11 | Interval Research Corporation | Methods and systems for providing human/computer interfaces |
| US6092065A (en) * | 1998-02-13 | 2000-07-18 | International Business Machines Corporation | Method and apparatus for discovery, clustering and classification of patterns in 1-dimensional event streams |
| WO1999050736A1 (en) | 1998-04-01 | 1999-10-07 | Xerox Corporation | Paper indexing of recordings |
| US6285786B1 (en) * | 1998-04-30 | 2001-09-04 | Motorola, Inc. | Text recognizer and method using non-cumulative character scoring in a forward search |
| US6256410B1 (en) * | 1998-07-30 | 2001-07-03 | International Business Machines Corp. | Methods and apparatus for customizing handwriting models to individual writers |
| US6249605B1 (en) * | 1998-09-14 | 2001-06-19 | International Business Machines Corporation | Key character extraction and lexicon reduction for cursive text recognition |
| US6964374B1 (en) * | 1998-10-02 | 2005-11-15 | Lucent Technologies Inc. | Retrieval and manipulation of electronically stored information via pointers embedded in the associated printed material |
| CN1145872C (zh) * | 1999-01-13 | 2004-04-14 | 国际商业机器公司 | 手写汉字自动分割和识别方法以及使用该方法的系统 |
| US6658151B2 (en) * | 1999-04-08 | 2003-12-02 | Ricoh Co., Ltd. | Extracting information from symbolically compressed document images |
| US6678415B1 (en) * | 2000-05-12 | 2004-01-13 | Xerox Corporation | Document image decoding using an integrated stochastic language model |
| WO2002037933A2 (en) * | 2000-11-08 | 2002-05-16 | New York University | System, process and software arrangement for recognizing handwritten characters |
| JP4136316B2 (ja) * | 2001-01-24 | 2008-08-20 | 富士通株式会社 | 文字列認識装置 |
| AUPR824501A0 (en) * | 2001-10-15 | 2001-11-08 | Silverbrook Research Pty. Ltd. | Methods and systems (npw003) |
| US7672507B2 (en) * | 2004-01-30 | 2010-03-02 | Hewlett-Packard Development Company, L.P. | Image processing methods and systems |
| US7089099B2 (en) * | 2004-07-30 | 2006-08-08 | Automotive Technologies International, Inc. | Sensor assemblies |
-
2001
- 2001-10-15 AU AUPR8245A patent/AUPR824501A0/en not_active Abandoned
-
2002
- 2002-10-15 AT AT02801225T patent/ATE386989T1/de not_active IP Right Cessation
- 2002-10-15 US US10/492,168 patent/US7359551B2/en not_active Expired - Fee Related
- 2002-10-15 KR KR1020047005558A patent/KR100651762B1/ko not_active Expired - Fee Related
- 2002-10-15 CA CA002463230A patent/CA2463230C/en not_active Expired - Fee Related
- 2002-10-15 WO PCT/AU2002/001393 patent/WO2003034325A1/en not_active Ceased
- 2002-10-15 EP EP02801225A patent/EP1444642B1/de not_active Expired - Lifetime
- 2002-10-15 AU AU2002333064A patent/AU2002333064B2/en not_active Ceased
- 2002-10-15 CN CNB028204743A patent/CN100533470C/zh not_active Expired - Fee Related
- 2002-10-15 IL IL16138302A patent/IL161383A0/xx not_active IP Right Cessation
- 2002-10-15 DE DE60225170T patent/DE60225170T2/de not_active Expired - Lifetime
- 2002-10-15 JP JP2003536980A patent/JP4274941B2/ja not_active Expired - Fee Related
-
2004
- 2004-04-19 ZA ZA200402925A patent/ZA200402925B/en unknown
-
2006
- 2006-10-04 AU AU2006225217A patent/AU2006225217B2/en not_active Ceased
-
2008
- 2008-02-14 US US12/031,615 patent/US7697761B2/en not_active Expired - Fee Related
-
2010
- 2010-03-30 US US12/750,587 patent/US7848574B2/en not_active Expired - Fee Related
- 2010-11-08 US US12/941,807 patent/US8009914B2/en not_active Expired - Fee Related
-
2011
- 2011-08-07 US US13/204,703 patent/US8280168B2/en not_active Expired - Fee Related
-
2012
- 2012-09-09 US US13/607,768 patent/US20120328195A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003034325A1 (en) | 2003-04-24 |
| US20100189352A1 (en) | 2010-07-29 |
| CN100533470C (zh) | 2009-08-26 |
| US20080144938A1 (en) | 2008-06-19 |
| US8009914B2 (en) | 2011-08-30 |
| AU2002333064B2 (en) | 2006-07-20 |
| JP2005505868A (ja) | 2005-02-24 |
| US7848574B2 (en) | 2010-12-07 |
| AUPR824501A0 (en) | 2001-11-08 |
| KR100651762B1 (ko) | 2006-12-01 |
| US20110052066A1 (en) | 2011-03-03 |
| CN1571979A (zh) | 2005-01-26 |
| KR20050036864A (ko) | 2005-04-20 |
| US7697761B2 (en) | 2010-04-13 |
| IL161383A0 (en) | 2004-09-27 |
| EP1444642A4 (de) | 2006-07-26 |
| ZA200402925B (en) | 2005-02-23 |
| CA2463230A1 (en) | 2003-04-24 |
| US7359551B2 (en) | 2008-04-15 |
| US20110293181A1 (en) | 2011-12-01 |
| US8280168B2 (en) | 2012-10-02 |
| US20120328195A1 (en) | 2012-12-27 |
| EP1444642B1 (de) | 2008-02-20 |
| JP4274941B2 (ja) | 2009-06-10 |
| US20050175241A1 (en) | 2005-08-11 |
| DE60225170D1 (de) | 2008-04-03 |
| AU2006225217B2 (en) | 2008-02-28 |
| EP1444642A1 (de) | 2004-08-11 |
| DE60225170T2 (de) | 2009-03-05 |
| AU2006225217A1 (en) | 2006-10-26 |
| CA2463230C (en) | 2009-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |