DE69231049T2 - Bildverarbeitung - Google Patents

Bildverarbeitung

Info

Publication number
DE69231049T2
DE69231049T2 DE69231049T DE69231049T DE69231049T2 DE 69231049 T2 DE69231049 T2 DE 69231049T2 DE 69231049 T DE69231049 T DE 69231049T DE 69231049 T DE69231049 T DE 69231049T DE 69231049 T2 DE69231049 T2 DE 69231049T2
Authority
DE
Germany
Prior art keywords
image
box
property
skew
data
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
Application number
DE69231049T
Other languages
German (de)
English (en)
Other versions
DE69231049D1 (de
Inventor
Daniel P Huttenlocher
Peter C. Wayner
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.)
Xerox Corp
Original Assignee
Xerox Corp
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.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of DE69231049D1 publication Critical patent/DE69231049D1/de
Application granted granted Critical
Publication of DE69231049T2 publication Critical patent/DE69231049T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/184—Extraction of features or characteristics of the image by analysing segments intersecting the pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Image Analysis (AREA)
  • Character Input (AREA)
DE69231049T 1991-07-30 1992-07-30 Bildverarbeitung Expired - Fee Related DE69231049T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/737,956 US5416851A (en) 1991-07-30 1991-07-30 Image analysis based on location sampling

Publications (2)

Publication Number Publication Date
DE69231049D1 DE69231049D1 (de) 2000-06-21
DE69231049T2 true DE69231049T2 (de) 2000-09-14

Family

ID=24965971

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231049T Expired - Fee Related DE69231049T2 (de) 1991-07-30 1992-07-30 Bildverarbeitung

Country Status (4)

Country Link
US (1) US5416851A (enExample)
EP (1) EP0526197B1 (enExample)
JP (1) JP3346795B2 (enExample)
DE (1) DE69231049T2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604687B1 (en) * 1992-12-30 2000-04-19 Koninklijke KPN N.V. Method for deriving character features in a character recognition system
US5592298A (en) * 1994-06-03 1997-01-07 Xerox Corporation Apparatus and method for detecting digitized image area coverage by counting pixels
US5828771A (en) * 1995-12-15 1998-10-27 Xerox Corporation Method and article of manufacture for determining whether a scanned image is an original image or fax image
WO2001022353A1 (en) * 1999-09-23 2001-03-29 Ecryp, Inc. Digital transmission of constantly varying fingerprint information
AU2001253518A1 (en) * 2000-04-27 2001-11-12 Litton Systems Inc. Method and system for fusing images
US7411593B2 (en) * 2001-03-28 2008-08-12 International Business Machines Corporation Image rotation with substantially no aliasing error
CN1729471A (zh) * 2002-12-20 2006-02-01 皇家飞利浦电子股份有限公司 在不变照明下的面部识别
US7545997B2 (en) * 2004-09-10 2009-06-09 Xerox Corporation Simulated high resolution using binary sub-sampling
WO2008071194A1 (en) 2006-12-15 2008-06-19 Aarhus Universitet Method for unbiased estimation of the total amount of objects based on non uniform sampling with probability obtained by using image analysis
JP4539889B2 (ja) * 2009-02-18 2010-09-08 日本電気株式会社 プロセッサ及びデータ収集方法
US8411966B2 (en) * 2009-03-10 2013-04-02 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada Estimation of image relations from point correspondences between images
ES2381244T3 (es) * 2009-09-09 2012-05-24 European Central Bank Un procedimiento para generar una imagen de seguridad en dos niveles para un billete de banco
EP3123369A4 (en) * 2014-03-27 2018-01-03 Intel Corporation Techniques for parallel execution of ransac algorithm
US10062001B2 (en) * 2016-09-29 2018-08-28 Konica Minolta Laboratory U.S.A., Inc. Method for line and word segmentation for handwritten text images
EP3539051B1 (en) * 2016-11-14 2025-07-23 Kodak Alaris Inc. System and method of character recognition using fully convolutional neural networks
US10846523B2 (en) * 2016-11-14 2020-11-24 Kodak Alaris Inc. System and method of character recognition using fully convolutional neural networks with attention
JP6763442B2 (ja) * 2017-01-06 2020-09-30 日本電気株式会社 パターン生成装置、画像処理装置、パターン生成方法、及びプログラムを記憶した記憶媒体
KR102387571B1 (ko) 2017-03-27 2022-04-18 삼성전자주식회사 라이브니스 검사 방법 및 장치
US10860897B2 (en) * 2019-01-29 2020-12-08 Victor Gorelik Pattern recognition with AI maps
US12254418B2 (en) * 2022-03-29 2025-03-18 D-Wave Systems Inc. Systems and methods for heuristic algorithms with variable effort parameters

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179454B (nl) * 1952-06-28 Jan Hendrik Gerlings Plaatvormig kunststofelement.
US3297989A (en) * 1964-03-23 1967-01-10 Ling Temco Vought Inc Probability transform generator for image recognition
US3845466A (en) * 1970-11-18 1974-10-29 California Inst Of Techn System and method for character recognition
JPS5215235A (en) * 1975-07-26 1977-02-04 Fujitsu Ltd Character recognition unit
US4817186A (en) * 1983-01-07 1989-03-28 International Business Machines Corporation Locating individual images in a field for recognition or the like
US4723297A (en) * 1984-09-27 1988-02-02 Siemens Aktiengesellschaft Method for automatic correction of character skew in the acquisition of a text original in the form of digital scan results
SE448124B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for detektering av variationsgraden av en egenskap i ett omrade av en i diskreta bildelement uppdelad bild
SE448126B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for detektering av sprangartade forendringar av en egenskap inom ett omrade av en i diskreta bildelement uppdelad bild
SE448125B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for bestemning av graden av konstans hos en egenskap for ett omrade i en i diskreta bildelement uppdelad bild
US4783826A (en) * 1986-08-18 1988-11-08 The Gerber Scientific Company, Inc. Pattern inspection system
US5001766A (en) * 1988-05-16 1991-03-19 At&T Bell Laboratories Apparatus and method for skew control of document images
US4901362A (en) * 1988-08-08 1990-02-13 Raytheon Company Method of recognizing patterns
GB8910749D0 (en) * 1989-05-10 1989-06-28 Sherman Robin L Methods and apparatus for obtaining information for characterising a person or animal
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
US5245674A (en) * 1991-07-30 1993-09-14 Xerox Corporation Image processing using distance as a function of direction
US5253307A (en) * 1991-07-30 1993-10-12 Xerox Corporation Image analysis to obtain typeface information

Also Published As

Publication number Publication date
DE69231049D1 (de) 2000-06-21
US5416851A (en) 1995-05-16
EP0526197B1 (en) 2000-05-17
EP0526197A3 (enExample) 1994-04-13
JPH05258058A (ja) 1993-10-08
JP3346795B2 (ja) 2002-11-18
EP0526197A2 (en) 1993-02-03

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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