CN1163842C - 字符识别 - Google Patents
字符识别 Download PDFInfo
- Publication number
- CN1163842C CN1163842C CNB998101370A CN99810137A CN1163842C CN 1163842 C CN1163842 C CN 1163842C CN B998101370 A CNB998101370 A CN B998101370A CN 99810137 A CN99810137 A CN 99810137A CN 1163842 C CN1163842 C CN 1163842C
- Authority
- CN
- China
- Prior art keywords
- character
- curve
- template
- desired method
- shape
- 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.)
- Expired - Lifetime
Links
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
- G06V30/14—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Multimedia (AREA)
- Bioinformatics & Computational Biology (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Artificial Intelligence (AREA)
- Character Discrimination (AREA)
- Holo Graphy (AREA)
- Character Input (AREA)
- Image Analysis (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802832-7 | 1998-08-26 | ||
SE98028327 | 1998-08-26 | ||
SE9802832A SE514377C2 (sv) | 1998-08-26 | 1998-08-26 | Teckenigenkänning |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1315024A CN1315024A (zh) | 2001-09-26 |
CN1163842C true CN1163842C (zh) | 2004-08-25 |
Family
ID=20412341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998101370A Expired - Lifetime CN1163842C (zh) | 1998-08-26 | 1999-08-25 | 字符识别 |
Country Status (14)
Country | Link |
---|---|
US (2) | US6711290B2 (zh) |
EP (1) | EP1105833B1 (zh) |
JP (1) | JP4580554B2 (zh) |
KR (1) | KR100615124B1 (zh) |
CN (1) | CN1163842C (zh) |
AT (1) | ATE331994T1 (zh) |
AU (1) | AU749849B2 (zh) |
CA (1) | CA2341266C (zh) |
DE (1) | DE69932167T2 (zh) |
HK (1) | HK1038975A1 (zh) |
IL (2) | IL141294A0 (zh) |
RU (1) | RU2001107822A (zh) |
SE (1) | SE514377C2 (zh) |
WO (1) | WO2000013131A1 (zh) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE514377C2 (sv) * | 1998-08-26 | 2001-02-19 | Gunnar Sparr | Teckenigenkänning |
US7679534B2 (en) * | 1998-12-04 | 2010-03-16 | Tegic Communications, Inc. | Contextual prediction of user words and user actions |
US7881936B2 (en) * | 1998-12-04 | 2011-02-01 | Tegic Communications, Inc. | Multimodal disambiguation of speech recognition |
US7712053B2 (en) | 1998-12-04 | 2010-05-04 | Tegic Communications, Inc. | Explicit character filtering of ambiguous text entry |
US7720682B2 (en) | 1998-12-04 | 2010-05-18 | Tegic Communications, Inc. | Method and apparatus utilizing voice input to resolve ambiguous manually entered text input |
US8938688B2 (en) | 1998-12-04 | 2015-01-20 | Nuance Communications, Inc. | Contextual prediction of user words and user actions |
US7750891B2 (en) | 2003-04-09 | 2010-07-06 | Tegic Communications, Inc. | Selective input system based on tracking of motion parameters of an input device |
US7286115B2 (en) * | 2000-05-26 | 2007-10-23 | Tegic Communications, Inc. | Directional input system with automatic correction |
US7610194B2 (en) * | 2002-07-18 | 2009-10-27 | Tegic Communications, Inc. | Dynamic database reordering system |
US7821503B2 (en) | 2003-04-09 | 2010-10-26 | Tegic Communications, Inc. | Touch screen and graphical user interface |
AU5299700A (en) * | 1999-05-27 | 2000-12-18 | America Online, Inc. | Keyboard system with automatic correction |
US7030863B2 (en) | 2000-05-26 | 2006-04-18 | America Online, Incorporated | Virtual keyboard system with automatic correction |
US20040037463A1 (en) * | 2002-01-28 | 2004-02-26 | Calhoun Christopher L. | Recognizing multi-stroke symbols |
US8238718B2 (en) * | 2002-06-19 | 2012-08-07 | Microsoft Corporaton | System and method for automatically generating video cliplets from digital video |
US8583440B2 (en) * | 2002-06-20 | 2013-11-12 | Tegic Communications, Inc. | Apparatus and method for providing visual indication of character ambiguity during text entry |
SE0202446D0 (sv) | 2002-08-16 | 2002-08-16 | Decuma Ab Ideon Res Park | Presenting recognised handwritten symbols |
CN100429716C (zh) * | 2002-08-19 | 2008-10-29 | 皇家飞利浦电子股份有限公司 | 用于检测记录载体上的异常的扫描设备和方法 |
US20050281467A1 (en) * | 2003-01-24 | 2005-12-22 | Stahovich Thomas F | Recognizing multi-stroke symbols |
CN1305003C (zh) | 2003-09-29 | 2007-03-14 | 摩托罗拉公司 | 用户界面上的书写标记识别 |
US7636083B2 (en) * | 2004-02-20 | 2009-12-22 | Tegic Communications, Inc. | Method and apparatus for text input in various languages |
JP2008516638A (ja) * | 2004-05-14 | 2008-05-22 | カーディマ・インコーポレイテッド | 補強部材を備えた除去プローブ |
US8095364B2 (en) * | 2004-06-02 | 2012-01-10 | Tegic Communications, Inc. | Multimodal disambiguation of speech recognition |
US7623685B2 (en) * | 2004-08-20 | 2009-11-24 | The Regents Of The University Of Colorado | Biometric signatures and identification through the use of projective invariants |
US20060227066A1 (en) * | 2005-04-08 | 2006-10-12 | Matsushita Electric Industrial Co., Ltd. | Human machine interface method and device for automotive entertainment systems |
US20060227065A1 (en) * | 2005-04-08 | 2006-10-12 | Matsushita Electric Industrial Co. Ltd. | Human machine interface system for automotive application |
KR100787134B1 (ko) * | 2005-08-05 | 2007-12-21 | 한국정보통신주식회사 | 정규화된 전자서명 인쇄 장치 |
US8504606B2 (en) * | 2005-11-09 | 2013-08-06 | Tegic Communications | Learner for resource constrained devices |
KR100825209B1 (ko) * | 2005-11-17 | 2008-04-25 | 김진우 | 서명 데이터의 암호화장치 및 암호화방법 |
US7587378B2 (en) * | 2005-12-09 | 2009-09-08 | Tegic Communications, Inc. | Embedded rule engine for rendering text and other applications |
TW200809660A (en) * | 2006-03-01 | 2008-02-16 | Zi Decuma Ab | A method for additive character recognition and an apparatus thereof |
US7580925B2 (en) | 2006-04-19 | 2009-08-25 | Tegic Communications, Inc. | Efficient storage and search of word lists and other text |
US20080154576A1 (en) * | 2006-12-21 | 2008-06-26 | Jianchao Wu | Processing of reduced-set user input text with selected one of multiple vocabularies and resolution modalities |
US8225203B2 (en) * | 2007-02-01 | 2012-07-17 | Nuance Communications, Inc. | Spell-check for a keyboard system with automatic correction |
US8201087B2 (en) * | 2007-02-01 | 2012-06-12 | Tegic Communications, Inc. | Spell-check for a keyboard system with automatic correction |
US8103499B2 (en) * | 2007-03-22 | 2012-01-24 | Tegic Communications, Inc. | Disambiguation of telephone style key presses to yield Chinese text using segmentation and selective shifting |
US8299943B2 (en) | 2007-05-22 | 2012-10-30 | Tegic Communications, Inc. | Multiple predictions in a reduced keyboard disambiguating system |
JP2009199102A (ja) * | 2008-02-19 | 2009-09-03 | Fujitsu Ltd | 文字認識プログラム、文字認識装置及び文字認識方法 |
US20090245646A1 (en) * | 2008-03-28 | 2009-10-01 | Microsoft Corporation | Online Handwriting Expression Recognition |
US8917935B2 (en) | 2008-05-19 | 2014-12-23 | Microsoft Corporation | Detecting text using stroke width based text detection |
US20100166314A1 (en) * | 2008-12-30 | 2010-07-01 | Microsoft Corporation | Segment Sequence-Based Handwritten Expression Recognition |
JP5343617B2 (ja) * | 2009-02-25 | 2013-11-13 | 富士通株式会社 | 文字認識プログラム、文字認識方法および文字認識装置 |
CN101763516B (zh) * | 2010-01-15 | 2012-02-29 | 南京航空航天大学 | 一种基于拟合函数的文字识别方法 |
US8310461B2 (en) | 2010-05-13 | 2012-11-13 | Nuance Communications Inc. | Method and apparatus for on-top writing |
DE202010007896U1 (de) | 2010-06-07 | 2010-10-07 | Benyoucef, Dirk, Dr.-Ing. | Auslesen des Zählerstandes eines mechanischen Zählwerks mittels einer Graustufenerkennung der Ziffern |
DE102010023557A1 (de) | 2010-06-07 | 2011-12-08 | Dirk Benyoucef | Auslesen des Zählerstandes eines mechanischen Zählwerks mittels einer Graustufenerkennung der Ziffern |
TWI478074B (zh) * | 2010-12-01 | 2015-03-21 | Inst Information Industry | 文字辨識方法、裝置以及儲存其之電腦可讀取紀錄媒體 |
US10061997B2 (en) | 2011-04-11 | 2018-08-28 | Apple Inc. | Handwriting capture techniques |
CN103324925A (zh) * | 2012-03-22 | 2013-09-25 | 佳能株式会社 | 用于获得用于手写字符识别的字符数据的方法和装置 |
US10748031B1 (en) | 2019-05-22 | 2020-08-18 | Read-Ink Corporation | Handwriting recognition systems and methods |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614736A (en) | 1968-05-21 | 1971-10-19 | Ibm | Pattern recognition apparatus and methods invariant to translation, scale change and rotation |
US3636513A (en) | 1969-10-17 | 1972-01-18 | Westinghouse Electric Corp | Preprocessing method and apparatus for pattern recognition |
JPS6282486A (ja) * | 1985-10-08 | 1987-04-15 | Hitachi Ltd | オンライン手書き図形認識装置 |
JPH05189617A (ja) * | 1991-04-15 | 1993-07-30 | Microsoft Corp | 手書き文字認識に於けるアークのセグメント化の方法と装置 |
US5333209A (en) * | 1992-03-24 | 1994-07-26 | At&T Bell Laboratories | Method of recognizing handwritten symbols |
JPH05290221A (ja) | 1992-04-15 | 1993-11-05 | Pioneer Electron Corp | オンライン手書文字認識装置 |
CA2097095A1 (en) | 1992-07-29 | 1994-01-30 | Frank William Sinden | Method of normalizing handwritten symbols |
WO1994004992A1 (en) * | 1992-08-20 | 1994-03-03 | Communication Intelligence Corporation | A method for dynamic reconstruction of handwritten data |
JP3113769B2 (ja) * | 1993-10-15 | 2000-12-04 | 株式会社日本デジタル研究所 | 文字認識装置 |
US5745599A (en) | 1994-01-19 | 1998-04-28 | Nippon Telegraph And Telephone Corporation | Character recognition method |
US5768420A (en) * | 1994-01-21 | 1998-06-16 | Lucent Technologies Inc. | Method and apparatus for handwriting recognition using invariant features |
US5699456A (en) * | 1994-01-21 | 1997-12-16 | Lucent Technologies Inc. | Large vocabulary connected speech recognition system and method of language representation using evolutional grammar to represent context free grammars |
US5710916A (en) | 1994-05-24 | 1998-01-20 | Panasonic Technologies, Inc. | Method and apparatus for similarity matching of handwritten data objects |
US5854855A (en) * | 1994-09-09 | 1998-12-29 | Motorola, Inc. | Method and system using meta-classes and polynomial discriminant functions for handwriting recognition |
JPH08163270A (ja) * | 1994-12-05 | 1996-06-21 | Nippon Telegr & Teleph Corp <Ntt> | 無声電話通信端末装置 |
JP3454335B2 (ja) * | 1995-07-17 | 2003-10-06 | 日本電信電話株式会社 | オンライン手書き文字認識方法及びその装置 |
JPH0962773A (ja) * | 1995-08-19 | 1997-03-07 | Ricoh Co Ltd | 文字認識装置 |
JPH0957204A (ja) * | 1995-08-24 | 1997-03-04 | Toshiba Corp | 郵便物の宛先自動読取システム |
US5828772A (en) * | 1995-12-27 | 1998-10-27 | Lucent Technologies Inc. | Method and apparatus for parametric signature verification using global features and stroke-direction codes |
JP3534537B2 (ja) * | 1996-05-10 | 2004-06-07 | 日本電信電話株式会社 | 形状マッチング方法および装置 |
US6208757B1 (en) * | 1996-10-11 | 2001-03-27 | Lucent Technologies Inc. | Method and apparatus for reconstructing handwritten symbols from parametric representations thereof |
US6044174A (en) * | 1996-10-11 | 2000-03-28 | Lucent Technologies Inc. | Method and apparatus for parametric representation of handwritten symbols |
US5889889A (en) * | 1996-12-13 | 1999-03-30 | Lucent Technologies Inc. | Method and apparatus for machine recognition of handwritten symbols from stroke-parameter data |
SE514377C2 (sv) * | 1998-08-26 | 2001-02-19 | Gunnar Sparr | Teckenigenkänning |
-
1998
- 1998-08-26 SE SE9802832A patent/SE514377C2/sv not_active IP Right Cessation
-
1999
- 1999-08-25 EP EP99946508A patent/EP1105833B1/en not_active Expired - Lifetime
- 1999-08-25 JP JP2000568047A patent/JP4580554B2/ja not_active Expired - Fee Related
- 1999-08-25 CA CA002341266A patent/CA2341266C/en not_active Expired - Fee Related
- 1999-08-25 IL IL14129499A patent/IL141294A0/xx active IP Right Grant
- 1999-08-25 KR KR1020017002454A patent/KR100615124B1/ko not_active IP Right Cessation
- 1999-08-25 AT AT99946508T patent/ATE331994T1/de not_active IP Right Cessation
- 1999-08-25 WO PCT/SE1999/001448 patent/WO2000013131A1/en active IP Right Grant
- 1999-08-25 DE DE69932167T patent/DE69932167T2/de not_active Expired - Lifetime
- 1999-08-25 CN CNB998101370A patent/CN1163842C/zh not_active Expired - Lifetime
- 1999-08-25 RU RU2001107822/09A patent/RU2001107822A/ru not_active Application Discontinuation
- 1999-08-25 AU AU58907/99A patent/AU749849B2/en not_active Ceased
-
2001
- 2001-01-19 US US09/764,341 patent/US6711290B2/en not_active Expired - Lifetime
- 2001-02-05 IL IL141294A patent/IL141294A/en not_active IP Right Cessation
-
2002
- 2002-01-18 HK HK02100405.7A patent/HK1038975A1/zh unknown
-
2004
- 2004-03-09 US US10/795,245 patent/US7139430B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2341266C (en) | 2009-05-19 |
SE514377C2 (sv) | 2001-02-19 |
EP1105833B1 (en) | 2006-06-28 |
HK1038975A1 (zh) | 2002-04-04 |
DE69932167D1 (de) | 2006-08-10 |
SE9802832L (sv) | 2000-02-27 |
CN1315024A (zh) | 2001-09-26 |
WO2000013131A1 (en) | 2000-03-09 |
AU5890799A (en) | 2000-03-21 |
AU749849B2 (en) | 2002-07-04 |
US7139430B2 (en) | 2006-11-21 |
JP4580554B2 (ja) | 2010-11-17 |
DE69932167T2 (de) | 2006-11-23 |
IL141294A0 (en) | 2002-03-10 |
IL141294A (en) | 2007-02-11 |
RU2001107822A (ru) | 2003-02-20 |
SE9802832D0 (sv) | 1998-08-26 |
CA2341266A1 (en) | 2000-03-09 |
US6711290B2 (en) | 2004-03-23 |
US20010026639A1 (en) | 2001-10-04 |
KR100615124B1 (ko) | 2006-09-11 |
KR20010090435A (ko) | 2001-10-18 |
ATE331994T1 (de) | 2006-07-15 |
EP1105833A1 (en) | 2001-06-13 |
JP2002523844A (ja) | 2002-07-30 |
US20040234129A1 (en) | 2004-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1163842C (zh) | 字符识别 | |
WO2019104879A1 (zh) | 表格类图像的信息识别方法、电子装置及可读存储介质 | |
US7298903B2 (en) | Method and system for separating text and drawings in digital ink | |
US7945097B2 (en) | Classifying digital ink into a writing or a drawing | |
US20180101726A1 (en) | Systems and Methods for Optical Character Recognition for Low-Resolution Documents | |
US7630551B2 (en) | Method and system for line extraction in digital ink | |
US7630962B2 (en) | Electronic filing system searchable by a handwritten search query | |
US20030215145A1 (en) | Classification analysis of freeform digital ink input | |
US7184591B2 (en) | Systems and methods for adaptive handwriting recognition | |
CN1607540A (zh) | 检测以墨水输入的手绘对象的系统和方法 | |
CN109685052A (zh) | 文本图像处理方法、装置、电子设备及计算机可读介质 | |
CN1324068A (zh) | 基于部首样式的草体汉字手写注释的检索 | |
EP1654610B1 (en) | Method and system for identifying multiple questionnaire pages | |
CN1202669A (zh) | 在线字符识别系统 | |
CN116524527A (zh) | 一种表格图像文本识别方法及系统 | |
CN110826393B (zh) | 钻孔柱状图信息自动提取方法 | |
Tang et al. | Online chemical symbol recognition for handwritten chemical expression recognition | |
US7133556B1 (en) | Character recognition device and method for detecting erroneously read characters, and computer readable medium to implement character recognition | |
TWI773444B (zh) | 影像識別系統與方法 | |
Chaudhuri et al. | An approach for processing mathematical expressions in printed document | |
CN114612919A (zh) | 一种票据信息处理系统及方法、装置 | |
JPH04336686A (ja) | 手書文字認識装置 | |
CN1145494A (zh) | 识别字符或图形的方法和系统 | |
AU2003201200A1 (en) | An electronic filing system searchable by a handwritten search query | |
AU2004214901A1 (en) | Line extraction in digital ink |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
C10 | Entry into substantive examination | ||
PB01 | Publication | ||
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: ZI DECUMA AB Free format text: FORMER OWNER: DECUMA AB Effective date: 20050916 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050916 Address after: Longde, Sweden Patentee after: ZI Decuma AB Address before: Longde, Sweden Patentee before: Decuma AB |
|
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1038975 Country of ref document: HK |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20040825 |