FR2154532A1 - - Google Patents

Info

Publication number
FR2154532A1
FR2154532A1 FR7233192A FR7233192A FR2154532A1 FR 2154532 A1 FR2154532 A1 FR 2154532A1 FR 7233192 A FR7233192 A FR 7233192A FR 7233192 A FR7233192 A FR 7233192A FR 2154532 A1 FR2154532 A1 FR 2154532A1
Authority
FR
France
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.)
Granted
Application number
FR7233192A
Other versions
FR2154532B1 (fr
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2154532A1 publication Critical patent/FR2154532A1/fr
Application granted granted Critical
Publication of FR2154532B1 publication Critical patent/FR2154532B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/20Combination of acquisition, preprocessing or recognition functions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
FR7233192A 1971-09-30 1972-09-12 Expired FR2154532B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18521471A 1971-09-30 1971-09-30

Publications (2)

Publication Number Publication Date
FR2154532A1 true FR2154532A1 (fr) 1973-05-11
FR2154532B1 FR2154532B1 (fr) 1973-12-07

Family

ID=22680075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233192A Expired FR2154532B1 (fr) 1971-09-30 1972-09-12

Country Status (5)

Country Link
US (1) US3737855A (fr)
JP (1) JPS5627910B2 (fr)
DE (1) DE2247942A1 (fr)
FR (1) FR2154532B1 (fr)
GB (1) GB1381970A (fr)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604505B2 (ja) * 1972-07-10 1985-02-04 スキヤン − オプテイクス インコ−ポレ−テツド マルチ・フオント光学式文字認識装置
FR2262834B1 (fr) * 1973-04-09 1977-10-21 Calspan Corp
JPS527349A (en) * 1975-07-08 1977-01-20 Toyo Netsuki Kk Method of surface treating to form metal coating and products thereby
JPS5218132A (en) * 1975-08-01 1977-02-10 Hitachi Ltd Binary circuit
IT1055651B (it) * 1975-11-03 1982-01-11 Elsag Sistema elettronico per la lettura di simboli
US4162481A (en) * 1976-12-22 1979-07-24 Recognition Equipment Incorporated Adaptive correlator for video processing
US4119947A (en) * 1977-07-20 1978-10-10 Howard Noyes Leighton Optical signal processor
JPS5451733A (en) * 1977-10-03 1979-04-23 Toshiba Corp Character reading system
JPS5537092A (en) * 1978-09-05 1980-03-14 Ibm Mode switch for setting threshold value
US4491964A (en) * 1979-04-23 1985-01-01 Recognition Equipment Incorporated Image processing integrated circuit
US4414685A (en) * 1979-09-10 1983-11-08 Sternberg Stanley R Method and apparatus for pattern recognition and detection
US4298858A (en) * 1980-03-27 1981-11-03 The United States Of America As Represented By The Secretary Of The Air Force Method and apparatus for augmenting binary patterns
US4408343A (en) * 1981-02-27 1983-10-04 Burroughs Corporation Image enhancement for optical character readers
US4672186A (en) * 1981-10-01 1987-06-09 Banctec Inc. Digital document scanning system
US4468809A (en) * 1981-12-23 1984-08-28 Ncr Corporation Multiple font OCR reader
US4625330A (en) * 1983-12-19 1986-11-25 Ncr Corporation Video enhancement system
US4541116A (en) * 1984-02-27 1985-09-10 Environmental Research Institute Of Mi Neighborhood image processing stage for implementing filtering operations
US4577235A (en) * 1984-08-20 1986-03-18 The Mead Corporation Text/continuous tone image decision processor
JPS6164370A (ja) * 1984-09-07 1986-04-02 Hitachi Cable Ltd 金属管材の内面処理方法
US4698843A (en) * 1985-08-19 1987-10-06 Rca Corporation Method for compensating for void-defects in images
US4742557A (en) * 1985-11-08 1988-05-03 Ncr Corporation Adaptive character extraction method and system
US4764971A (en) * 1985-11-25 1988-08-16 Eastman Kodak Company Image processing method including image segmentation
US4797806A (en) * 1987-02-19 1989-01-10 Gtx Corporation High speed serial pixel neighborhood processor and method
US4853795A (en) * 1987-07-24 1989-08-01 Eastman Kodak Company Forward look ahead techniques for tracking background and noise levels in scanned video images
US4868670A (en) * 1987-07-24 1989-09-19 Eastman Kodak Company Apparatus and method for improving the compressibility of an enhanced image through use of a momentarily varying threshold level
US4982294A (en) * 1987-07-24 1991-01-01 Eastman Kodak Company Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein
US4969202A (en) * 1988-03-31 1990-11-06 Honeywell Inc. Image recognition edge detection method and system
JPH01292487A (ja) * 1988-05-19 1989-11-24 Sony Corp 文字認識装置
US5224179A (en) * 1988-12-20 1993-06-29 At&T Bell Laboratories Image skeletonization method
US6529637B1 (en) 1989-05-22 2003-03-04 Pixel Instruments Corporation Spatial scan replication circuit
US7382929B2 (en) * 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
US5060284A (en) * 1990-03-23 1991-10-22 Eastman Kodak Company Adaptive error diffusion thresholding for document images
FR2661061B1 (fr) * 1990-04-11 1992-08-07 Multi Media Tech Procede et dispositif de modification de zone d'images.
US6016154A (en) * 1991-07-10 2000-01-18 Fujitsu Limited Image forming apparatus
JP3166173B2 (ja) * 1991-07-19 2001-05-14 プリンストン エレクトロニック ビルボード,インコーポレイテッド 選択および挿入された標章を有するテレビ表示
EP0539854B1 (fr) * 1991-11-01 1999-03-17 Eastman Kodak Company Procédé et appareil de détection de texte imprimé en matrice de points en vue d'une perfectionnement de la reconnaissance optique des caractères
US5357581A (en) * 1991-11-01 1994-10-18 Eastman Kodak Company Method and apparatus for the selective filtering of dot-matrix printed characters so as to improve optical character recognition
CA2081406C (fr) * 1991-12-23 1997-09-16 Chinmoy Bhusan Bose Methode et appareil de reconnaissance de textes connectes et degrades
US5212741A (en) * 1992-01-21 1993-05-18 Eastman Kodak Company Preprocessing of dot-matrix/ink-jet printed text for Optical Character Recognition
US6469741B2 (en) 1993-07-26 2002-10-22 Pixel Instruments Corp. Apparatus and method for processing television signals
US5778105A (en) * 1994-01-14 1998-07-07 R.R. Donnelley & Sons Company Method of and apparatus for removing artifacts from a reproduction
JPH0951489A (ja) * 1995-08-04 1997-02-18 Sony Corp データ符号化/復号化方法および装置
US6983083B2 (en) * 2001-02-13 2006-01-03 Eastman Kodak Company Image specific perceived overall contrast prediction
JP3982817B2 (ja) * 2003-03-07 2007-09-26 株式会社東芝 画像処理装置および画像処理方法
US8787660B1 (en) * 2005-11-23 2014-07-22 Matrox Electronic Systems, Ltd. System and method for performing automatic font definition
EP2320390A1 (fr) * 2009-11-10 2011-05-11 Icar Vision Systems, SL Procédé et système pour la lecture et la validation de documents d'identité

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250166B (de) * 1962-05-21 1967-09-14 International Business Machines Corporation Armonk, NY (V St A) Vorrichtung zur maschinellen Zeichen erkennung
US3588818A (en) * 1967-07-07 1971-06-28 Ncr Co Character recognition system employing continuity detection and registration means
FR1599243A (fr) * 1968-12-12 1970-07-15

Also Published As

Publication number Publication date
JPS4843542A (fr) 1973-06-23
FR2154532B1 (fr) 1973-12-07
GB1381970A (en) 1975-01-29
US3737855A (en) 1973-06-05
JPS5627910B2 (fr) 1981-06-27
DE2247942A1 (de) 1973-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse