EP1668568A4 - Method and system for compressing handwritten character templates - Google Patents

Method and system for compressing handwritten character templates

Info

Publication number: EP1668568A4
Authority: EP; European Patent Office
Prior art keywords: handwritten character; character templates; compressing; compressing handwritten; templates
Prior art date: 2003-09-29
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP04784422A

Other languages

German (de)

French (fr)

Other versions

EP1668568A2 (en

Inventor

Li-Xin Zhen

Feng-Jun Guo

Jian-Cheng Huang

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Motorola Mobility LLC

Original Assignee

Motorola Mobility LLC

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.)

2003-09-29

Filing date

2004-09-17

Publication date

2012-02-08

2004-09-17 Application filed by Motorola Mobility LLC filed Critical Motorola Mobility LLC

2006-06-14 Publication of EP1668568A2 publication Critical patent/EP1668568A2/en

2012-02-08 Publication of EP1668568A4 publication Critical patent/EP1668568A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- 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
- G06V30/22—Character recognition characterised by the type of writing
- G06V30/226—Character recognition characterised by the type of writing of cursive writing
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
- G06F18/232—Non-hierarchical techniques
- G06F18/2321—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions
- G06F18/23213—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions with fixed number of clusters, e.g. K-means clustering
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06V10/762—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
- G06V10/763—Non-hierarchical techniques, e.g. based on statistics of modelling distributions
- 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
- G06V30/19—Recognition using electronic means
- G06V30/191—Design or setup of recognition systems or techniques; Extraction of features in feature space; Clustering techniques; Blind source separation
- G06V30/1914—Determining representative reference patterns, e.g. averaging or distorting patterns; Generating dictionaries, e.g. user dictionaries

EP04784422A 2003-09-29 2004-09-17 Method and system for compressing handwritten character templates Withdrawn EP1668568A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CNB031255736A CN1303563C (en)	2003-09-29	2003-09-29	Method and system for compressing hand-written character template
PCT/US2004/030554 WO2005034026A2 (en)	2003-09-29	2004-09-17	Method and system for compressing handwritten character templates

Publications (2)

Publication Number	Publication Date
EP1668568A2 EP1668568A2 (en)	2006-06-14
EP1668568A4 true EP1668568A4 (en)	2012-02-08

Family

ID=34398358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04784422A Withdrawn EP1668568A4 (en)	2003-09-29	2004-09-17	Method and system for compressing handwritten character templates

Country Status (5)

Country	Link
EP (1)	EP1668568A4 (en)
KR (1)	KR20060056408A (en)
CN (1)	CN1303563C (en)
RU (1)	RU2006114780A (en)
WO (1)	WO2005034026A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100719942B1 (en) *	2002-03-27	2007-05-18	노키아 코포레이션	Pattern recognition
US8077994B2 (en)	2008-06-06	2011-12-13	Microsoft Corporation	Compression of MQDF classifier using flexible sub-vector grouping

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5187751A (en) *	1990-07-24	1993-02-16	Sharp Kabushiki Kaisha	Clustering system for optical character reader
US5812697A (en) *	1994-06-10	1998-09-22	Nippon Steel Corporation	Method and apparatus for recognizing hand-written characters using a weighting dictionary
US6345119B1 (en) *	1996-02-19	2002-02-05	Fujitsu Limited	Handwritten character recognition apparatus and method using a clustering algorithm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6104833A (en) *	1996-01-09	2000-08-15	Fujitsu Limited	Pattern recognizing apparatus and method
CN1181662C (en) *	2000-07-21	2004-12-22	中兴通讯股份有限公司	Hand written character input method for mobile telephone and mobile phone with said function
CN1140864C (en) *	2001-01-02	2004-03-03	无敌科技(西安)有限公司	Hand writing input method for hand held data processor

2003
- 2003-09-29 CN CNB031255736A patent/CN1303563C/en not_active Expired - Fee Related
2004
- 2004-09-17 WO PCT/US2004/030554 patent/WO2005034026A2/en active Application Filing
- 2004-09-17 EP EP04784422A patent/EP1668568A4/en not_active Withdrawn
- 2004-09-17 KR KR1020067006168A patent/KR20060056408A/en not_active Application Discontinuation
- 2004-09-17 RU RU2006114780/09A patent/RU2006114780A/en not_active Application Discontinuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5187751A (en) *	1990-07-24	1993-02-16	Sharp Kabushiki Kaisha	Clustering system for optical character reader
US5812697A (en) *	1994-06-10	1998-09-22	Nippon Steel Corporation	Method and apparatus for recognizing hand-written characters using a weighting dictionary
US6345119B1 (en) *	1996-02-19	2002-02-05	Fujitsu Limited	Handwritten character recognition apparatus and method using a clustering algorithm

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
"Proceedings IEEE Symposium on FPGAs for Custom Computing Machines", APPLICATIONS OF COMPUTER VISION, 1996. WACV '96., PROCEEDINGS 3RD IEEE WORKSHOP ON SARASOTA, FL, USA 2-4 DEC. 1996, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, 2 December 1996 (1996-12-02), XP010206445, ISBN: 978-0-8186-7620-8 *
GRANDIDIER F: "UN NOUVEL ALGORITHME DE SELECTION DE CARACTERISTIQUES - APPLICATION A LA LECTURE AUTOMATIQUE DE L'ECRITURE MANUSCRITE", THÈSE PRÉSENTÉE À L'ÉCOLE DE TECHNOLOGIE SUPÉRIEURE COMMEEXIGENCE PARTIELLE À L'OBTENTION DU DOCTORAT EN GÉNIE PH.D, XX, XX, 24 January 2003 (2003-01-24), pages A/B,I - XVIII,01, XP001187010 *
KIMURA F ET AL: "HANDWRITTEN NUMERICAL RECOGNITION BASED ON MULTIPLE ALGORITHMS", PATTERN RECOGNITION, ELSEVIER, GB, vol. 24, no. 10, 1 January 1991 (1991-01-01), pages 969 - 983, XP000243559, ISSN: 0031-3203, DOI: 10.1016/0031-3203(91)90094-L *
KIMURA F ET AL: "Improvement of handwritten Japanese character recognition using weighted direction code histogram", PATTERN RECOGNITION, ELSEVIER, GB, vol. 30, no. 8, 1 August 1997 (1997-08-01), pages 1329 - 1337, XP004074593, ISSN: 0031-3203, DOI: 10.1016/S0031-3203(96)00153-7 *
LIU C-L ET AL: "Handwritten digit recognition: benchmarking of state-of-the-art techniques", PATTERN RECOGNITION, ELSEVIER, GB, vol. 36, no. 10, 22 May 2003 (2003-05-22), pages 2271 - 2285, XP004439122, ISSN: 0031-3203, DOI: 10.1016/S0031-3203(03)00085-2 *
RONG ZHANG ET AL: "A large scale clustering scheme for kernel K-Means", PATTERN RECOGNITION, 2002. PROCEEDINGS. 16TH INTERNATIONAL CONFERENCE ON QUEBEC CITY, QUE., CANADA 11-15 AUG. 2002, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, vol. 4, 11 August 2002 (2002-08-11), pages 289 - 292, XP010613524, ISBN: 978-0-7695-1695-0, DOI: 10.1109/ICPR.2002.1047453 *
S TSURUOKA ET AL: "Handwritten `Kanji' and `Hiragana' character recognition using weighted direction index histogram method (abstract)", 1 January 1988 (1988-01-01), XP055015661, Retrieved from the Internet <URL:INSPEC> [retrieved on 20120103] *
SINGHAL V ET AL: "Script-based classification of hand-written text documents in a multilingual environment", RESEARCH ISSUES IN DATA ENGINEERING: MULTI-LINGUAL INFORMATION MANAGEM ENT, 2003. RIDE-MLIM 2003. PROCEEDINGS. 13TH INTERNATIONAL WORKSHOP ON MARCH 10-11, 2003, PISCATAWAY, NJ, USA,IEEE, 10 March 2003 (2003-03-10), pages 47 - 54, XP010671689, ISBN: 978-0-7803-7868-1, DOI: 10.1109/RIDE.2003.1249845 *
YOSHINOBU HOTTA ET AL: "Handwritten Numeral Recognition Using Personal Handwriting Characteristics Based On Clustering Method", APPLICATIONS OF COMPUTER VISION, 1996. WACV '96., PROCEEDINGS 3RD IEEE WORKSHOP ON SARASOTA, FL, USA 2-4 DEC. 1996, LOS ALAMITOS, CA, USA,IEEE COMPUT. SOC, US, 2 December 1996 (1996-12-02), pages 284 - 289, XP032304723, ISBN: 978-0-8186-7620-8, DOI: 10.1109/ACV.1996.572078 *
YOSHIYUKI YAMASHITA ET AL: "Classification of handprinted Kanji characters by the structured segment matching method", PATTERN RECOGNITION LETTERS, vol. 1, no. 5-6, 1 July 1983 (1983-07-01), pages 475 - 479, XP055015660, ISSN: 0167-8655, DOI: 10.1016/0167-8655(83)90089-2 *

Also Published As

Publication number	Publication date
WO2005034026A2 (en)	2005-04-14
CN1303563C (en)	2007-03-07
WO2005034026A3 (en)	2005-06-02
EP1668568A2 (en)	2006-06-14
RU2006114780A (en)	2007-11-10
KR20060056408A (en)	2006-05-24
CN1604124A (en)	2005-04-06

Legal Events

Date	Code	Title	Description
2006-05-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2006-06-14	17P	Request for examination filed	Effective date: 20060323
2006-06-14	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
2007-01-03	DAX	Request for extension of the european patent (deleted)
2007-01-03	RBV	Designated contracting states (corrected)	Designated state(s): DE FR GB IT
2007-05-30	RIN1	Information on inventor provided before grant (corrected)	Inventor name: GUO, FENG-JUN,1916 ROOM, Inventor name: ZHEN, LI-XIN Inventor name: HUANG, JIAN-CHENG
2011-03-02	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: MOTOROLA MOBILITY, INC.
2012-02-08	A4	Supplementary search report drawn up and despatched	Effective date: 20120112
2012-02-08	RIC1	Information provided on ipc code assigned before grant	Ipc: G06K 9/46 20060101ALI20120105BHEP Ipc: G06K 9/00 20060101ALI20120105BHEP Ipc: G06K 9/62 20060101AFI20120105BHEP
2012-06-13	17Q	First examination report despatched	Effective date: 20120515
2012-08-29	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: MOTOROLA MOBILITY LLC
2016-08-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2016-09-07	18D	Application deemed to be withdrawn	Effective date: 20160401
2023-06-28	P01	Opt-out of the competence of the unified patent court (upc) registered	Effective date: 20230520

Publication	Publication Date	Title
AU2003219926A8 (en)	2003-09-09	Method and apparatus for recognizing objects
EP1677250A4 (en)	2011-03-16	Image collation system and image collation method
AU2003265284A8 (en)	2004-02-09	Face recognition system and method therefor
AU2003297239A8 (en)	2004-07-22	Face recognition system and method
TWI316209B (en)	2009-10-21	Apparatus and method for handwriting recognition
TWI319537B (en)	2010-01-11	Text entry system and method
IL174556A0 (en)	2006-08-20	Data compression system and method
HK1073372A1 (en)	2005-09-30	Image matching method and image matching system
GB0307406D0 (en)	2003-05-07	Data analysis system and method
EP1578020A4 (en)	2005-11-16	Data compressing method, program and apparatus
AU2003270654A8 (en)	2004-04-30	System and method for image segmentation
EP1743239A4 (en)	2012-07-11	A method and system for character recognition
HK1073045A1 (en)	2005-09-16	Roaming-service-enabling system and method
EP1704907A4 (en)	2008-09-24	An extraction method and the apparatus thereof
EP1615420A4 (en)	2007-10-17	Code recognizing method and device
EP1598741A4 (en)	2011-03-23	Information processing apparatus and content information processing method
AU2003267234A8 (en)	2004-05-13	Apparatus and method for image recognition
GB0315156D0 (en)	2003-08-06	Identification system and method
PL377115A1 (en)	2006-01-23	Identification apparatus and method
EP1634151A4 (en)	2012-01-04	Information processing method and apparatus
EP1574991A4 (en)	2006-09-27	Similar image extraction device, similar image extraction method, and similar image extraction program
GB0325705D0 (en)	2003-12-10	Data processing system and method
EP1590889A4 (en)	2006-03-29	Method and device for text data compression
EP1676186A4 (en)	2011-11-23	System and method for personalization of handwriting recognition
GB2404812B (en)	2008-02-06	Scanning method and system