CN100405389C - 从划线标记识别字符的方法和装置 - Google Patents
从划线标记识别字符的方法和装置 Download PDFInfo
- Publication number
- CN100405389C CN100405389C CNB2004100565126A CN200410056512A CN100405389C CN 100405389 C CN100405389 C CN 100405389C CN B2004100565126 A CNB2004100565126 A CN B2004100565126A CN 200410056512 A CN200410056512 A CN 200410056512A CN 100405389 C CN100405389 C CN 100405389C
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- CN
- China
- Prior art keywords
- probability distribution
- distribution function
- dictionary
- adaptive
- 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
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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
- G06V30/22—Character recognition characterised by the type of writing
- G06V30/226—Character recognition characterised by the type of writing of cursive writing
- G06V30/2268—Character recognition characterised by the type of writing of cursive writing using stroke segmentation
- G06V30/2276—Character recognition characterised by the type of writing of cursive writing using stroke segmentation with probabilistic networks, e.g. hidden Markov models
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
-
- 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
- G06V30/24—Character recognition characterised by the processing or recognition method
- G06V30/248—Character recognition characterised by the processing or recognition method involving plural approaches, e.g. verification by template match; Resolving confusion among similar patterns, e.g. "O" versus "Q"
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Probability & Statistics with Applications (AREA)
- Software Systems (AREA)
- Character Discrimination (AREA)
Abstract
Description
Claims (18)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100565126A CN100405389C (zh) | 2004-08-06 | 2004-08-06 | 从划线标记识别字符的方法和装置 |
SG200504794A SG119356A1 (en) | 2004-08-06 | 2005-08-01 | Identifying characters from scribed indicium |
KR1020050071850A KR100733740B1 (ko) | 2004-08-06 | 2005-08-05 | 수기 표시로부터 문자 식별 |
JP2005228287A JP4335185B2 (ja) | 2004-08-06 | 2005-08-05 | 筆記情報に基づく文字の識別 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100565126A CN100405389C (zh) | 2004-08-06 | 2004-08-06 | 从划线标记识别字符的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1731415A CN1731415A (zh) | 2006-02-08 |
CN100405389C true CN100405389C (zh) | 2008-07-23 |
Family
ID=35963763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100565126A Expired - Lifetime CN100405389C (zh) | 2004-08-06 | 2004-08-06 | 从划线标记识别字符的方法和装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4335185B2 (zh) |
KR (1) | KR100733740B1 (zh) |
CN (1) | CN100405389C (zh) |
SG (1) | SG119356A1 (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1012818B (zh) * | 1987-12-28 | 1991-06-12 | 中国石油化工总公司石油化工科学研究院 | 一种硫磷氮型极压抗磨剂的制备方法 |
US5113452A (en) * | 1988-08-23 | 1992-05-12 | Sony Corporation | Hand-written character recognition apparatus and method |
EP0710384A1 (en) * | 1994-05-10 | 1996-05-08 | Motorola, Inc. | Method of stroke segmentation for handwritten input |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1220140A1 (fr) * | 2000-12-27 | 2002-07-03 | Asulab S.A. | Procédé de reconnaissance de caractères tracés manuellement sur une zone de saisie et dispositif électronique permettant de mettre en oeuvre ce procédé |
AUPR824501A0 (en) * | 2001-10-15 | 2001-11-08 | Silverbrook Research Pty. Ltd. | Methods and systems (npw003) |
-
2004
- 2004-08-06 CN CNB2004100565126A patent/CN100405389C/zh not_active Expired - Lifetime
-
2005
- 2005-08-01 SG SG200504794A patent/SG119356A1/en unknown
- 2005-08-05 JP JP2005228287A patent/JP4335185B2/ja active Active
- 2005-08-05 KR KR1020050071850A patent/KR100733740B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1012818B (zh) * | 1987-12-28 | 1991-06-12 | 中国石油化工总公司石油化工科学研究院 | 一种硫磷氮型极压抗磨剂的制备方法 |
US5113452A (en) * | 1988-08-23 | 1992-05-12 | Sony Corporation | Hand-written character recognition apparatus and method |
EP0710384A1 (en) * | 1994-05-10 | 1996-05-08 | Motorola, Inc. | Method of stroke segmentation for handwritten input |
Also Published As
Publication number | Publication date |
---|---|
CN1731415A (zh) | 2006-02-08 |
SG119356A1 (en) | 2006-02-28 |
JP2006048708A (ja) | 2006-02-16 |
JP4335185B2 (ja) | 2009-09-30 |
KR100733740B1 (ko) | 2007-07-02 |
KR20060050275A (ko) | 2006-05-19 |
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Legal Events
Date | Code | Title | Description |
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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 |
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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. |
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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. |
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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 |
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CX01 | Expiry of patent term |
Granted publication date: 20080723 |
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CX01 | Expiry of patent term |