DE69423926T2 - Verfahren und Gerät zur automatischen Schriftermittlung - Google Patents
Verfahren und Gerät zur automatischen SchriftermittlungInfo
- Publication number
- DE69423926T2 DE69423926T2 DE69423926T DE69423926T DE69423926T2 DE 69423926 T2 DE69423926 T2 DE 69423926T2 DE 69423926 T DE69423926 T DE 69423926T DE 69423926 T DE69423926 T DE 69423926T DE 69423926 T2 DE69423926 T2 DE 69423926T2
- Authority
- DE
- Germany
- Prior art keywords
- automatic font
- font detection
- detection
- automatic
- font
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
-
- 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
- G06V30/242—Division of the character sequences into groups prior to recognition; Selection of dictionaries
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Character Discrimination (AREA)
- Character Input (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/047,515 US5444797A (en) | 1993-04-19 | 1993-04-19 | Method and apparatus for automatic character script determination |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69423926D1 DE69423926D1 (de) | 2000-05-18 |
DE69423926T2 true DE69423926T2 (de) | 2000-08-17 |
Family
ID=21949410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69423926T Expired - Lifetime DE69423926T2 (de) | 1993-04-19 | 1994-04-18 | Verfahren und Gerät zur automatischen Schriftermittlung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5444797A (de) |
EP (1) | EP0621552B1 (de) |
JP (1) | JPH0721320A (de) |
KR (1) | KR970002421B1 (de) |
DE (1) | DE69423926T2 (de) |
TW (1) | TW248600B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10126835A1 (de) * | 2001-06-01 | 2002-12-12 | Siemens Dematic Ag | Verfahren und Vorrichtung zum automatischen Lesen von Adressen in mehr als einer Sprache |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1158453B1 (de) * | 1993-12-10 | 2008-08-27 | Ricoh Company, Ltd. | Bildextrahierungsverfahren und Gerät, und Bilderkennungsverfahren und Gerät, zum Extrahieren und Erkennen eines bestimmten Bildes aus einem Bildeingabesignal |
US5757963A (en) * | 1994-09-30 | 1998-05-26 | Xerox Corporation | Method and apparatus for complex column segmentation by major white region pattern matching |
US5699453A (en) * | 1994-09-30 | 1997-12-16 | Xerox Corporation | Method and apparatus for logically tagging of document elements in the column by major white region pattern matching |
JP3400151B2 (ja) * | 1994-12-08 | 2003-04-28 | 株式会社東芝 | 文字列領域抽出装置および方法 |
JP3264932B2 (ja) * | 1995-01-31 | 2002-03-11 | ユナイテッド パーセル サービス オブ アメリカ インコーポレイテッド | テキストを含む画像における背景から前景を分離する方法及び装置 |
US5844991A (en) * | 1995-08-07 | 1998-12-01 | The Regents Of The University Of California | Script identification from images using cluster-based templates |
US5892842A (en) * | 1995-12-14 | 1999-04-06 | Xerox Corporation | Automatic method of identifying sentence boundaries in a document image |
US5850476A (en) * | 1995-12-14 | 1998-12-15 | Xerox Corporation | Automatic method of identifying drop words in a document image without performing character recognition |
US5848191A (en) * | 1995-12-14 | 1998-12-08 | Xerox Corporation | Automatic method of generating thematic summaries from a document image without performing character recognition |
JP2738383B2 (ja) * | 1996-02-29 | 1998-04-08 | 日本電気株式会社 | 宛名読み取り装置 |
US5955506A (en) * | 1996-04-03 | 1999-09-21 | Centaur Pharmaceuticals, Inc. | Benzamides for neurodegenerative disorder treatment |
US5909510A (en) * | 1997-05-19 | 1999-06-01 | Xerox Corporation | Method and apparatus for document classification from degraded images |
US6005986A (en) * | 1997-12-03 | 1999-12-21 | The United States Of America As Represented By The National Security Agency | Method of identifying the script of a document irrespective of orientation |
US6064767A (en) * | 1998-01-16 | 2000-05-16 | Regents Of The University Of California | Automatic language identification by stroke geometry analysis |
JP4320064B2 (ja) * | 1998-07-10 | 2009-08-26 | 富士通株式会社 | 画像処理装置及び記録媒体 |
EP1393148B1 (de) | 2001-05-02 | 2010-03-03 | Bitstream Inc. | Verfahren, systeme und programmierung zur herstellung und anzeige von subpixeloptimierten font-bitmaps unter verwendung eines nichtlinearen farbausgleichs |
US7020338B1 (en) | 2002-04-08 | 2006-03-28 | The United States Of America As Represented By The National Security Agency | Method of identifying script of line of text |
US20040183817A1 (en) * | 2002-12-03 | 2004-09-23 | Bitstream Inc. | Methods, systems, and programming for scaled display of web pages |
US7512273B2 (en) * | 2004-10-21 | 2009-03-31 | Microsoft Corporation | Digital ink labeling |
JP2006253842A (ja) | 2005-03-08 | 2006-09-21 | Ricoh Co Ltd | 画像処理装置、画像形成装置、プログラム、記憶媒体および画像処理方法 |
US7796837B2 (en) * | 2005-09-22 | 2010-09-14 | Google Inc. | Processing an image map for display on computing device |
JP5139716B2 (ja) * | 2007-05-16 | 2013-02-06 | キヤノン株式会社 | 画像検索装置及び画像検索方法 |
US8340430B2 (en) * | 2007-07-10 | 2012-12-25 | Sharp Laboratories Of America, Inc. | Methods and systems for identifying digital image characteristics |
US8160365B2 (en) * | 2008-06-30 | 2012-04-17 | Sharp Laboratories Of America, Inc. | Methods and systems for identifying digital image characteristics |
US8744171B1 (en) | 2009-04-29 | 2014-06-03 | Google Inc. | Text script and orientation recognition |
US7965894B2 (en) * | 2009-06-30 | 2011-06-21 | Konica Minolta Systems Laboratory, Inc. | Method for detecting alterations in printed document using image comparison analyses |
US8151186B1 (en) * | 2011-03-11 | 2012-04-03 | Google Inc. | Comparing text pages using image features based on word positions |
US20170068868A1 (en) * | 2015-09-09 | 2017-03-09 | Google Inc. | Enhancing handwriting recognition using pre-filter classification |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3755780A (en) * | 1971-06-28 | 1973-08-28 | Pattern Analysis & Recognition | Method for recognizing characters |
JPS5837779A (ja) * | 1981-08-31 | 1983-03-05 | Ricoh Co Ltd | 文書処理装置 |
JPS58222384A (ja) * | 1982-06-18 | 1983-12-24 | Ricoh Co Ltd | フオント識別方式 |
JPS5960574A (ja) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | 文字認識方式 |
US4802230A (en) * | 1987-03-13 | 1989-01-31 | Gtx Corporation | Method and apparatus for generating size and orientation invariant shape features |
JPS63261486A (ja) * | 1987-04-20 | 1988-10-28 | Nec Corp | 書体識別装置 |
US5048100A (en) * | 1988-12-15 | 1991-09-10 | Michael Kuperstein | Self organizing neural network method and system for general classification of patterns |
US5181259A (en) * | 1990-09-25 | 1993-01-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | General method of pattern classification using the two domain theory |
US5253307A (en) * | 1991-07-30 | 1993-10-12 | Xerox Corporation | Image analysis to obtain typeface information |
JPH0540846A (ja) * | 1991-08-06 | 1993-02-19 | Oki Electric Ind Co Ltd | 文書画像の和文・欧文判定方法 |
-
1993
- 1993-04-19 US US08/047,515 patent/US5444797A/en not_active Expired - Lifetime
-
1994
- 1994-03-11 KR KR1019940004752A patent/KR970002421B1/ko not_active IP Right Cessation
- 1994-04-08 JP JP6070295A patent/JPH0721320A/ja not_active Withdrawn
- 1994-04-11 TW TW083103166A patent/TW248600B/zh active
- 1994-04-18 DE DE69423926T patent/DE69423926T2/de not_active Expired - Lifetime
- 1994-04-18 EP EP94302739A patent/EP0621552B1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10126835A1 (de) * | 2001-06-01 | 2002-12-12 | Siemens Dematic Ag | Verfahren und Vorrichtung zum automatischen Lesen von Adressen in mehr als einer Sprache |
DE10126835B4 (de) * | 2001-06-01 | 2004-04-29 | Siemens Dematic Ag | Verfahren und Vorrichtung zum automatischen Lesen von Adressen in mehr als einer Sprache |
Also Published As
Publication number | Publication date |
---|---|
EP0621552B1 (de) | 2000-04-12 |
KR970002421B1 (ko) | 1997-03-05 |
TW248600B (de) | 1995-06-01 |
DE69423926D1 (de) | 2000-05-18 |
EP0621552A2 (de) | 1994-10-26 |
KR940024626A (ko) | 1994-11-18 |
JPH0721320A (ja) | 1995-01-24 |
US5444797A (en) | 1995-08-22 |
EP0621552A3 (de) | 1995-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |