DE69033484T2 - Identifizierung und Segmentierung von feintexturierten und festen binären Bildern - Google Patents
Identifizierung und Segmentierung von feintexturierten und festen binären BildernInfo
- Publication number
- DE69033484T2 DE69033484T2 DE69033484T DE69033484T DE69033484T2 DE 69033484 T2 DE69033484 T2 DE 69033484T2 DE 69033484 T DE69033484 T DE 69033484T DE 69033484 T DE69033484 T DE 69033484T DE 69033484 T2 DE69033484 T2 DE 69033484T2
- Authority
- DE
- Germany
- Prior art keywords
- segmentation
- identification
- binary images
- finely textured
- solid binary
- 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 - Fee Related
Links
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
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/413—Classification of content, e.g. text, photographs or tables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/449,624 US5065437A (en) | 1989-12-08 | 1989-12-08 | Identification and segmentation of finely textured and solid regions of binary images |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69033484D1 DE69033484D1 (de) | 2000-04-20 |
DE69033484T2 true DE69033484T2 (de) | 2000-06-29 |
Family
ID=23784858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69033484T Expired - Fee Related DE69033484T2 (de) | 1989-12-08 | 1990-12-07 | Identifizierung und Segmentierung von feintexturierten und festen binären Bildern |
Country Status (4)
Country | Link |
---|---|
US (1) | US5065437A (de) |
EP (1) | EP0431958B1 (de) |
JP (1) | JP3051183B2 (de) |
DE (1) | DE69033484T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402504A (en) * | 1989-12-08 | 1995-03-28 | Xerox Corporation | Segmentation of text styles |
JP2523222B2 (ja) * | 1989-12-08 | 1996-08-07 | ゼロックス コーポレーション | 画像縮小/拡大方法及び装置 |
US5239596A (en) * | 1990-06-08 | 1993-08-24 | Xerox Corporation | Labeling pixels of an image based on near neighbor attributes |
JPH04189564A (ja) * | 1990-11-26 | 1992-07-08 | Canon Inc | 出力方法 |
CA2077604C (en) * | 1991-11-19 | 1999-07-06 | Todd A. Cass | Method and apparatus for determining the frequency of words in a document without document image decoding |
US5434953A (en) * | 1992-03-20 | 1995-07-18 | Xerox Corporation | Use of fast textured reduction for discrimination of document image components |
US5418865A (en) * | 1992-03-20 | 1995-05-23 | Xerox Corporation | Mark sensing on a form |
US5467410A (en) * | 1992-03-20 | 1995-11-14 | Xerox Corporation | Identification of a blank page in an image processing system |
US5594815A (en) * | 1992-10-19 | 1997-01-14 | Fast; Bruce B. | OCR image preprocessing method for image enhancement of scanned documents |
JP3272842B2 (ja) * | 1992-12-17 | 2002-04-08 | ゼロックス・コーポレーション | プロセッサベースの判定方法 |
US5438630A (en) * | 1992-12-17 | 1995-08-01 | Xerox Corporation | Word spotting in bitmap images using word bounding boxes and hidden Markov models |
US5651121A (en) * | 1992-12-18 | 1997-07-22 | Xerox Corporation | Using mask operand obtained from composite operand to perform logic operation in parallel with composite operand |
US5592572A (en) * | 1993-11-05 | 1997-01-07 | The United States Of America As Represented By The Department Of Health And Human Services | Automated portrait/landscape mode detection on a binary image |
JP3062382B2 (ja) * | 1993-12-09 | 2000-07-10 | キヤノン株式会社 | 画像処理装置及び方法 |
US6389163B1 (en) | 1994-11-18 | 2002-05-14 | Xerox Corporation | Method and apparatus for automatic image segmentation using template matching filters |
US5600732A (en) * | 1994-12-08 | 1997-02-04 | Banctec, Inc. | Document image analysis method |
US5761686A (en) * | 1996-06-27 | 1998-06-02 | Xerox Corporation | Embedding encoded information in an iconic version of a text image |
US5974200A (en) * | 1997-03-20 | 1999-10-26 | Matsushita Electric Industrial Company, Ltd. | Method of locating a machine readable two dimensional barcode within an image |
US6201901B1 (en) | 1998-06-01 | 2001-03-13 | Matsushita Electronic Industrial Co., Ltd. | Border-less clock free two-dimensional barcode and method for printing and reading the same |
US6470096B2 (en) | 1998-11-13 | 2002-10-22 | Xerox Corporation | Method for locating user interface tags in a document processing system |
US7168036B2 (en) | 1998-11-13 | 2007-01-23 | Xerox Corporation | User interface identification and service tags for a document processing system |
US6082619A (en) * | 1998-12-16 | 2000-07-04 | Matsushita Electric Industrial Co., Ltd. | Method for locating and reading a two-dimensional barcode |
US6565003B1 (en) | 1998-12-16 | 2003-05-20 | Matsushita Electric Industrial Co., Ltd. | Method for locating and reading a two-dimensional barcode |
US6275304B1 (en) * | 1998-12-22 | 2001-08-14 | Xerox Corporation | Automated enhancement of print quality based on feature size, shape, orientation, and color |
US6371373B1 (en) | 1999-05-25 | 2002-04-16 | Matsushita Electric Industrial Co., Ltd. | Method for reading a two-dimensional barcode |
US6624909B1 (en) | 1999-05-27 | 2003-09-23 | International Business Machines Corporation | Image file format for storing graphical matter and related information |
US6516097B1 (en) * | 1999-07-16 | 2003-02-04 | Lockheed Martin Corporation | Image segmentation system |
US20040037475A1 (en) * | 2002-08-26 | 2004-02-26 | Avinash Gopal B. | Method and apparatus for processing annotated screen capture images by automated selection of image regions |
US20070146794A1 (en) * | 2005-12-23 | 2007-06-28 | Lexmark International, Inc. | Descreening and detail enhancement for scanned documents |
US8009928B1 (en) | 2008-01-23 | 2011-08-30 | A9.Com, Inc. | Method and system for detecting and recognizing text in images |
US20100042953A1 (en) * | 2008-08-18 | 2010-02-18 | Douglas Albert Stewart | Method, computer, and computer program for displaying a hierarchical navigation scheme |
US7991153B1 (en) | 2008-08-26 | 2011-08-02 | Nanoglyph, LLC | Glyph encryption system and related methods |
JP5208043B2 (ja) * | 2009-04-16 | 2013-06-12 | キヤノン株式会社 | 画像処理装置、画像処理方法及びプログラム |
US8472076B2 (en) * | 2009-08-05 | 2013-06-25 | Canon Kabushiki Kaisha | Detecting and removing blur of a character by comparison with the original image after a thinning and fattening operation |
US9235755B2 (en) * | 2013-08-15 | 2016-01-12 | Konica Minolta Laboratory U.S.A., Inc. | Removal of underlines and table lines in document images while preserving intersecting character strokes |
US9965588B2 (en) | 2014-03-06 | 2018-05-08 | Ricoh Co., Ltd. | Film to DICOM conversion |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414685A (en) * | 1979-09-10 | 1983-11-08 | Sternberg Stanley R | Method and apparatus for pattern recognition and detection |
JPS57101986A (en) * | 1980-12-17 | 1982-06-24 | Toshiba Corp | Character detecting and cutting method |
DE3107655A1 (de) * | 1981-02-27 | 1982-09-16 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum auffinden und abgrenzen von textbereichen auf einer vorlage, die text-, graphik- und/oder bildbereiche enthalten kann |
DE3113555A1 (de) * | 1981-04-03 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum automatischen erkennen von weissbloecken sowie text-, graphik- und/oder graubildbereichen auf druckvorlagen |
US4817186A (en) * | 1983-01-07 | 1989-03-28 | International Business Machines Corporation | Locating individual images in a field for recognition or the like |
JPS59156070A (ja) * | 1983-02-25 | 1984-09-05 | Canon Inc | 画像処理装置 |
US4742558A (en) * | 1984-02-14 | 1988-05-03 | Nippon Telegraph & Telephone Public Corporation | Image information retrieval/display apparatus |
JPS60200379A (ja) * | 1984-03-26 | 1985-10-09 | Hitachi Ltd | 画像処理用セグメンテ−シヨン装置 |
US4741046A (en) * | 1984-07-27 | 1988-04-26 | Konishiroku Photo Industry Co., Ltd. | Method of discriminating pictures |
JPS61225974A (ja) * | 1985-03-30 | 1986-10-07 | Ricoh Co Ltd | 画像処理方式 |
US4668995A (en) * | 1985-04-12 | 1987-05-26 | International Business Machines Corporation | System for reproducing mixed images |
US4700400A (en) * | 1985-10-10 | 1987-10-13 | The Palantir Corporation | Feature extraction technique for use in a pattern recognition system |
GB2183118B (en) * | 1985-11-19 | 1989-10-04 | Sony Corp | Image signal processing |
JPS62137974A (ja) * | 1985-12-12 | 1987-06-20 | Ricoh Co Ltd | 画像処理方式 |
GB8614214D0 (en) * | 1986-06-11 | 1986-07-16 | Kodak Ltd | Image processing method |
JP2696211B2 (ja) * | 1987-04-20 | 1998-01-14 | 株式会社日立製作所 | 濃淡画像からのパターン認識方法及び装置 |
JPS63261486A (ja) * | 1987-04-20 | 1988-10-28 | Nec Corp | 書体識別装置 |
JP2702928B2 (ja) * | 1987-06-19 | 1998-01-26 | 株式会社日立製作所 | 画像入力装置 |
JP2615625B2 (ja) * | 1987-06-24 | 1997-06-04 | 富士ゼロックス株式会社 | 画像処理装置 |
US4827330A (en) * | 1987-07-20 | 1989-05-02 | Litton Industrial Automation Systems, Inc. | Automatic document image revision |
JPS6482286A (en) * | 1987-09-25 | 1989-03-28 | Toshiba Corp | Image inclination detector |
US4811115A (en) * | 1987-10-16 | 1989-03-07 | Xerox Corporation | Image processing apparatus using approximate auto correlation function to detect the frequency of half-tone image data |
US4791679A (en) * | 1987-12-26 | 1988-12-13 | Eastman Kodak Company | Image character enhancement using a stroke strengthening kernal |
-
1989
- 1989-12-08 US US07/449,624 patent/US5065437A/en not_active Expired - Lifetime
-
1990
- 1990-12-07 JP JP2407320A patent/JP3051183B2/ja not_active Expired - Fee Related
- 1990-12-07 EP EP90313308A patent/EP0431958B1/de not_active Expired - Lifetime
- 1990-12-07 DE DE69033484T patent/DE69033484T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0431958A2 (de) | 1991-06-12 |
JP3051183B2 (ja) | 2000-06-12 |
JPH06223182A (ja) | 1994-08-12 |
EP0431958A3 (en) | 1992-09-30 |
DE69033484D1 (de) | 2000-04-20 |
EP0431958B1 (de) | 2000-03-15 |
US5065437A (en) | 1991-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |