DE69519323D1 - System zur Seitensegmentierung und Zeichenerkennung - Google Patents
System zur Seitensegmentierung und ZeichenerkennungInfo
- Publication number
- DE69519323D1 DE69519323D1 DE69519323T DE69519323T DE69519323D1 DE 69519323 D1 DE69519323 D1 DE 69519323D1 DE 69519323 T DE69519323 T DE 69519323T DE 69519323 T DE69519323 T DE 69519323T DE 69519323 D1 DE69519323 D1 DE 69519323D1
- Authority
- DE
- Germany
- Prior art keywords
- character recognition
- page segmentation
- segmentation
- page
- recognition
- 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
- 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
- G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
-
- 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
- G06V30/146—Aligning or centring of the image pick-up or image-field
- G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
- G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
-
- 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
- G06V30/148—Segmentation of character regions
- G06V30/155—Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Artificial Intelligence (AREA)
- Character Input (AREA)
- Character Discrimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22835994A | 1994-04-15 | 1994-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69519323D1 true DE69519323D1 (de) | 2000-12-14 |
DE69519323T2 DE69519323T2 (de) | 2001-04-12 |
Family
ID=22856861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69519323T Expired - Lifetime DE69519323T2 (de) | 1994-04-15 | 1995-02-22 | System zur Seitensegmentierung und Zeichenerkennung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5809167A (de) |
EP (1) | EP0677817B1 (de) |
JP (1) | JP3792747B2 (de) |
DE (1) | DE69519323T2 (de) |
Families Citing this family (79)
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---|---|---|---|---|
US6164973A (en) * | 1995-01-20 | 2000-12-26 | Vincent J. Macri | Processing system method to provide users with user controllable image for use in interactive simulated physical movements |
US6532302B2 (en) | 1998-04-08 | 2003-03-11 | Canon Kabushiki Kaisha | Multiple size reductions for image segmentation |
JP3345350B2 (ja) * | 1998-05-27 | 2002-11-18 | 富士通株式会社 | 文書画像認識装置、その方法、及び記録媒体 |
US6263122B1 (en) * | 1998-09-23 | 2001-07-17 | Hewlett Packard Company | System and method for manipulating regions in a scanned image |
US6970894B2 (en) * | 1998-12-30 | 2005-11-29 | Intel Corporation | Method for extracting information from a file using a printer driver |
EP2319455A3 (de) | 1999-06-02 | 2012-04-18 | Microtransform, Inc. | Intrakorporale Verschlussvorrichtung |
FR2796734B1 (fr) * | 1999-07-22 | 2001-08-17 | Bull Sa | Systeme de stockage en reseau |
WO2001013279A2 (en) * | 1999-08-17 | 2001-02-22 | Ptfs, Inc. | Word searchable database from high volume scanning of newspaper data |
US6587583B1 (en) * | 1999-09-17 | 2003-07-01 | Kurzweil Educational Systems, Inc. | Compression/decompression algorithm for image documents having text, graphical and color content |
US6529641B1 (en) * | 1999-10-29 | 2003-03-04 | Eastman Kodak Company | Method for deskewing a scanned text image |
US7230729B1 (en) * | 2000-05-15 | 2007-06-12 | Hewlett-Packard Development Company, L.P. | Printer pipeline bypass in hardware-ready format |
GB2364416B (en) * | 2000-06-30 | 2004-10-27 | Post Office | Image processing for clustering related text objects |
US6704449B1 (en) * | 2000-10-19 | 2004-03-09 | The United States Of America As Represented By The National Security Agency | Method of extracting text from graphical images |
US7305381B1 (en) | 2001-09-14 | 2007-12-04 | Ricoh Co., Ltd | Asynchronous unconscious retrieval in a network of information appliances |
JP4003428B2 (ja) | 2001-10-10 | 2007-11-07 | セイコーエプソン株式会社 | 小切手等処理装置及び小切手等処理方法 |
US7375835B1 (en) * | 2001-10-29 | 2008-05-20 | Ricoh Co., Ltd. | E-mail transmission of print-ready documents |
US7426486B2 (en) * | 2001-10-31 | 2008-09-16 | Call-Tell Llc | Multi-party reporting system and method |
US7212301B2 (en) * | 2001-10-31 | 2007-05-01 | Call-Tell Llc | System and method for centralized, automatic extraction of data from remotely transmitted forms |
US20030112306A1 (en) * | 2001-12-13 | 2003-06-19 | Simpson Shell S. | System and method for form processing |
JP2003259112A (ja) * | 2001-12-25 | 2003-09-12 | Canon Inc | 透かし情報抽出装置及びその制御方法 |
US6898314B2 (en) * | 2001-12-26 | 2005-05-24 | Lockheed Martin Corporation | Grayscale image connected components segmentation |
US6898313B2 (en) * | 2002-03-06 | 2005-05-24 | Sharp Laboratories Of America, Inc. | Scalable layered coding in a multi-layer, compound-image data transmission system |
US20030210419A1 (en) * | 2002-05-08 | 2003-11-13 | Curtis Reese | System and methods for printing copy-protected documents |
US7062090B2 (en) * | 2002-06-28 | 2006-06-13 | Microsoft Corporation | Writing guide for a free-form document editor |
US7428578B1 (en) | 2002-07-02 | 2008-09-23 | Ricoh Co., Ltd | Remotely initiated document transmission |
US20040042033A1 (en) * | 2002-08-28 | 2004-03-04 | Bob Sesek | Display of location of alternate image-forming device to which image-forming-related job has been routed |
US20040140986A1 (en) * | 2003-01-16 | 2004-07-22 | Boldon John Leland | Systems and methods for facilitating printing through interface exportation |
US7305612B2 (en) * | 2003-03-31 | 2007-12-04 | Siemens Corporate Research, Inc. | Systems and methods for automatic form segmentation for raster-based passive electronic documents |
CN1310182C (zh) * | 2003-11-28 | 2007-04-11 | 佳能株式会社 | 用于增强文档图像和字符识别的方法和装置 |
US20050179945A1 (en) * | 2004-02-12 | 2005-08-18 | Sharp Laboratories Of America, Inc. | System and method for variable text overlay |
JP3826139B2 (ja) * | 2004-02-25 | 2006-09-27 | キヤノン株式会社 | 画像形成装置及びその制御方法、画像形成システム、プログラム |
US7659915B2 (en) * | 2004-04-02 | 2010-02-09 | K-Nfb Reading Technology, Inc. | Portable reading device with mode processing |
US7505056B2 (en) * | 2004-04-02 | 2009-03-17 | K-Nfb Reading Technology, Inc. | Mode processing in portable reading machine |
US8320708B2 (en) | 2004-04-02 | 2012-11-27 | K-Nfb Reading Technology, Inc. | Tilt adjustment for optical character recognition in portable reading machine |
US8249309B2 (en) * | 2004-04-02 | 2012-08-21 | K-Nfb Reading Technology, Inc. | Image evaluation for reading mode in a reading machine |
US7627142B2 (en) * | 2004-04-02 | 2009-12-01 | K-Nfb Reading Technology, Inc. | Gesture processing with low resolution images with high resolution processing for optical character recognition for a reading machine |
US7629989B2 (en) * | 2004-04-02 | 2009-12-08 | K-Nfb Reading Technology, Inc. | Reducing processing latency in optical character recognition for portable reading machine |
US8873890B2 (en) * | 2004-04-02 | 2014-10-28 | K-Nfb Reading Technology, Inc. | Image resizing for optical character recognition in portable reading machine |
US8036895B2 (en) * | 2004-04-02 | 2011-10-11 | K-Nfb Reading Technology, Inc. | Cooperative processing for portable reading machine |
US9236043B2 (en) * | 2004-04-02 | 2016-01-12 | Knfb Reader, Llc | Document mode processing for portable reading machine enabling document navigation |
US7641108B2 (en) * | 2004-04-02 | 2010-01-05 | K-Nfb Reading Technology, Inc. | Device and method to assist user in conducting a transaction with a machine |
US7325735B2 (en) * | 2004-04-02 | 2008-02-05 | K-Nfb Reading Technology, Inc. | Directed reading mode for portable reading machine |
US7840033B2 (en) * | 2004-04-02 | 2010-11-23 | K-Nfb Reading Technology, Inc. | Text stitching from multiple images |
US20060020486A1 (en) * | 2004-04-02 | 2006-01-26 | Kurzweil Raymond C | Machine and method to assist user in selecting clothing |
KR100647284B1 (ko) * | 2004-05-21 | 2006-11-23 | 삼성전자주식회사 | 영상의 문자 추출 장치 및 방법 |
US20050286080A1 (en) * | 2004-06-29 | 2005-12-29 | Samsung Electronics Co., Ltd. | Apparatus and method of transmitting document |
US20060045346A1 (en) * | 2004-08-26 | 2006-03-02 | Hui Zhou | Method and apparatus for locating and extracting captions in a digital image |
US20060082816A1 (en) * | 2004-10-15 | 2006-04-20 | Lexmark International, Inc. | Printer device and related method for handling print-and-hold jobs |
KR100628572B1 (ko) * | 2004-12-10 | 2006-09-26 | 삼성전자주식회사 | 프린트 문서 편집 방법 및 그 장치 |
JP4681870B2 (ja) * | 2004-12-17 | 2011-05-11 | キヤノン株式会社 | 画像処理装置、画像処理方法、コンピュータプログラム |
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 |
US7599556B2 (en) * | 2005-08-25 | 2009-10-06 | Joseph Stanley Czyszczewski | Apparatus, system, and method for scanning segmentation |
JP4771804B2 (ja) * | 2005-12-20 | 2011-09-14 | 富士通株式会社 | レイアウト解析プログラム、レイアウト解析装置、レイアウト解析方法 |
US7889932B2 (en) * | 2006-03-02 | 2011-02-15 | Sharp Laboratories Of America, Inc. | Methods and systems for detecting regions in digital images |
US8630498B2 (en) * | 2006-03-02 | 2014-01-14 | Sharp Laboratories Of America, Inc. | Methods and systems for detecting pictorial regions in digital images |
US7792359B2 (en) * | 2006-03-02 | 2010-09-07 | Sharp Laboratories Of America, Inc. | Methods and systems for detecting regions in digital images |
US7734092B2 (en) * | 2006-03-07 | 2010-06-08 | Ancestry.Com Operations Inc. | Multiple image input for optical character recognition processing systems and methods |
US8437054B2 (en) | 2006-06-15 | 2013-05-07 | Sharp Laboratories Of America, Inc. | Methods and systems for identifying regions of substantially uniform color in a digital image |
US7864365B2 (en) * | 2006-06-15 | 2011-01-04 | Sharp Laboratories Of America, Inc. | Methods and systems for segmenting a digital image into regions |
US20080008377A1 (en) * | 2006-07-07 | 2008-01-10 | Lockheed Martin Corporation | Postal indicia categorization system |
US7876959B2 (en) * | 2006-09-06 | 2011-01-25 | Sharp Laboratories Of America, Inc. | Methods and systems for identifying text in digital images |
US7853887B2 (en) * | 2007-06-26 | 2010-12-14 | Adobe Systems Incorporated | Detection and preview of graphical elements within a graphic |
CN101354746B (zh) * | 2007-07-23 | 2011-08-31 | 夏普株式会社 | 文字图像抽出装置及文字图像抽出方法 |
US20090041344A1 (en) * | 2007-08-08 | 2009-02-12 | Richard John Campbell | Methods and Systems for Determining a Background Color in a Digital Image |
US8014596B2 (en) * | 2007-10-30 | 2011-09-06 | Sharp Laboratories Of America, Inc. | Methods and systems for background color extrapolation |
US8009928B1 (en) | 2008-01-23 | 2011-08-30 | A9.Com, Inc. | Method and system for detecting and recognizing text in images |
US8285077B2 (en) * | 2008-07-15 | 2012-10-09 | Nuance Communications, Inc. | Automatic correction of digital image distortion |
KR101023389B1 (ko) * | 2009-02-23 | 2011-03-18 | 삼성전자주식회사 | 문자 인식 성능을 향상시키기 위한 장치 및 방법 |
KR20100120753A (ko) * | 2009-05-07 | 2010-11-17 | (주)실리콘화일 | 문자인식을 위한 이미지 센서 및 이미지 센싱 방법 |
EP2259176B1 (de) * | 2009-06-03 | 2016-09-28 | Brother Kogyo Kabushiki Kaisha | Etikettendrucker |
JP2010287188A (ja) * | 2009-06-15 | 2010-12-24 | Canon Inc | 情報処理装置および情報処理方法 |
US8718365B1 (en) | 2009-10-29 | 2014-05-06 | Google Inc. | Text recognition for textually sparse images |
WO2013164849A2 (en) * | 2012-04-12 | 2013-11-07 | Tata Consultancy Services Limited | A system and method for detection and segmentation of touching characters for ocr |
US9105073B2 (en) * | 2012-04-24 | 2015-08-11 | Amadeus S.A.S. | Method and system of producing an interactive version of a plan or the like |
US9053359B2 (en) | 2012-06-07 | 2015-06-09 | Konica Minolta Laboratory U.S.A., Inc. | Method and system for document authentication using Krawtchouk decomposition of image patches for image comparison |
US9230383B2 (en) * | 2012-12-28 | 2016-01-05 | Konica Minolta Laboratory U.S.A., Inc. | Document image compression method and its application in document authentication |
US9520102B2 (en) * | 2013-04-29 | 2016-12-13 | International Business Machines Corporation | Text extraction from graphical user interface content |
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 |
US9646202B2 (en) | 2015-01-16 | 2017-05-09 | Sony Corporation | Image processing system for cluttered scenes and method of operation thereof |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4461027A (en) * | 1981-12-04 | 1984-07-17 | Tokyo Shibaura Denki Kabushiki Kaisha | Character separating system in use for an optical character reader |
US4741045A (en) * | 1983-09-23 | 1988-04-26 | Dest Corporation | Optical character isolation system, apparatus and method |
JPS6115284A (ja) * | 1984-06-29 | 1986-01-23 | Toshiba Corp | 光学的文字読取装置 |
US4742556A (en) * | 1985-09-16 | 1988-05-03 | Davis Jr Ray E | Character recognition method |
US4823194A (en) * | 1986-08-01 | 1989-04-18 | Hitachi, Ltd. | Method for processing gray scale images and an apparatus thereof |
JPS63155390A (ja) * | 1986-12-19 | 1988-06-28 | Ricoh Co Ltd | 光学文字読取装置 |
US4944022A (en) * | 1986-12-19 | 1990-07-24 | Ricoh Company, Ltd. | Method of creating dictionary for character recognition |
US5131053A (en) * | 1988-08-10 | 1992-07-14 | Caere Corporation | Optical character recognition method and apparatus |
EP0358815B1 (de) * | 1988-09-12 | 1993-05-26 | Océ-Nederland B.V. | System und Verfahren für automatische Segmentierung |
US4912569A (en) * | 1989-01-24 | 1990-03-27 | Eastman Kodak Company | Method for thresholding an image signal |
US5048096A (en) * | 1989-12-01 | 1991-09-10 | Eastman Kodak Company | Bi-tonal image non-text matter removal with run length and connected component analysis |
US5048109A (en) * | 1989-12-08 | 1991-09-10 | Xerox Corporation | Detection of highlighted regions |
US5181255A (en) * | 1990-12-13 | 1993-01-19 | Xerox Corporation | Segmentation of handwriting and machine printed text |
US5081690A (en) * | 1990-05-08 | 1992-01-14 | Eastman Kodak Company | Row-by-row segmentation and thresholding for optical character recognition |
US5864629A (en) * | 1990-09-28 | 1999-01-26 | Wustmann; Gerhard K. | Character recognition methods and apparatus for locating and extracting predetermined data from a document |
US5317652A (en) * | 1991-06-05 | 1994-05-31 | Phoenix Imaging | Rotation and position invariant optical character recognition |
US5325447A (en) * | 1991-10-02 | 1994-06-28 | Environmental Research Institute Of Michigan | Handwritten digit normalization method |
US5350303A (en) * | 1991-10-24 | 1994-09-27 | At&T Bell Laboratories | Method for accessing information in a computer |
US5321770A (en) * | 1991-11-19 | 1994-06-14 | Xerox Corporation | Method for determining boundaries of words in text |
US5384863A (en) * | 1991-11-19 | 1995-01-24 | Xerox Corporation | Methods and apparatus for automatic modification of semantically significant portions of a document without document image decoding |
CA2077274C (en) * | 1991-11-19 | 1997-07-15 | M. Margaret Withgott | Method and apparatus for summarizing a document without document image decoding |
US5303313A (en) * | 1991-12-16 | 1994-04-12 | Cartesian Products, Inc. | Method and apparatus for compression of images |
US5901255A (en) * | 1992-02-07 | 1999-05-04 | Canon Kabushiki Kaisha | Pattern recognition method and apparatus capable of selecting another one of plural pattern recognition modes in response to a number of rejects of recognition-processed pattern segments |
US5337370A (en) * | 1992-02-28 | 1994-08-09 | Environmental Research Institute Of Michigan | Character recognition method employing non-character recognizer |
US5438630A (en) * | 1992-12-17 | 1995-08-01 | Xerox Corporation | Word spotting in bitmap images using word bounding boxes and hidden Markov models |
-
1995
- 1995-02-22 DE DE69519323T patent/DE69519323T2/de not_active Expired - Lifetime
- 1995-02-22 EP EP95301123A patent/EP0677817B1/de not_active Expired - Lifetime
- 1995-04-14 JP JP08944295A patent/JP3792747B2/ja not_active Expired - Fee Related
-
1997
- 1997-01-08 US US08/781,928 patent/US5809167A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0677817A2 (de) | 1995-10-18 |
US5809167A (en) | 1998-09-15 |
JP3792747B2 (ja) | 2006-07-05 |
EP0677817A3 (de) | 1996-10-02 |
JPH0850633A (ja) | 1996-02-20 |
EP0677817B1 (de) | 2000-11-08 |
DE69519323T2 (de) | 2001-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |