|
US3860909A
(en)
*
|
1970-04-16 |
1975-01-14 |
Olivetti & Co Spa |
Apparatus for recognising graphic symbols
|
|
NL7016538A
(de)
*
|
1970-11-12 |
1972-05-16 |
|
|
|
US3755780A
(en)
*
|
1971-06-28 |
1973-08-28 |
Pattern Analysis & Recognition |
Method for recognizing characters
|
|
GB1401008A
(en)
*
|
1971-08-17 |
1975-07-16 |
Mullared Ltd |
Character recognition apparatus
|
|
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
|
|
US3863218A
(en)
*
|
1973-01-26 |
1975-01-28 |
Hitachi Ltd |
Pattern feature detection system
|
|
JPS5619657B2
(de)
*
|
1973-09-10 |
1981-05-08 |
|
|
|
US3987412A
(en)
*
|
1975-01-27 |
1976-10-19 |
International Business Machines Corporation |
Method and apparatus for image data compression utilizing boundary following of the exterior and interior borders of objects
|
|
DE2641835C2
(de)
*
|
1976-09-17 |
1978-06-29 |
Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel |
Verfahren zur elektronischen Retusche
|
|
US4093941A
(en)
*
|
1976-12-09 |
1978-06-06 |
Recognition Equipment Incorporated |
Slope feature detection system
|
|
GB1517870A
(en)
*
|
1976-12-20 |
1978-07-12 |
Ibm |
Apparatus for producing vectors from raster scanned data
|
|
US4087788A
(en)
*
|
1977-01-14 |
1978-05-02 |
Ncr Canada Ltd - Ncr Canada Ltee |
Data compression system
|
|
US4773098A
(en)
*
|
1980-05-27 |
1988-09-20 |
Texas Instruments Incorporated |
Method of optical character recognition
|
|
JPS5851388A
(ja)
*
|
1981-09-22 |
1983-03-26 |
Ricoh Co Ltd |
方向コ−ド割付け方法
|
|
US4525860A
(en)
*
|
1982-01-04 |
1985-06-25 |
At&T Bell Laboratories |
Character recognition arrangement
|
|
JPS594382A
(ja)
*
|
1982-06-30 |
1984-01-11 |
Nippon Telegr & Teleph Corp <Ntt> |
描画像の符号化方式
|
|
US4499598A
(en)
*
|
1982-07-02 |
1985-02-12 |
Conoco Inc. |
Edge and line detection in multidimensional noisey, imagery data
|
|
JPS5930179A
(ja)
*
|
1982-08-10 |
1984-02-17 |
Agency Of Ind Science & Technol |
パタ−ンの線分近似方式
|
|
FR2540263B1
(fr)
*
|
1983-01-31 |
1988-05-20 |
Commissariat Energie Atomique |
Procede de reconnaissance automatique d'une image a partir d'une image correspondante de reference
|
|
US4718105A
(en)
*
|
1983-03-14 |
1988-01-05 |
Ana Tech Corporation |
Graphic vectorization system
|
|
US4680805A
(en)
*
|
1983-11-17 |
1987-07-14 |
Texas Instruments Incorporated |
Method and apparatus for recognition of discontinuous text
|
|
US4769776A
(en)
*
|
1985-08-30 |
1988-09-06 |
Hitachi, Ltd. |
Apparatus for measuring the concentration of filamentous microorganisms in a mixture including microorganisms
|
|
JPS6279582A
(ja)
*
|
1985-10-03 |
1987-04-11 |
Ricoh Co Ltd |
文字認識用辞書作成方式
|
|
US4646351A
(en)
*
|
1985-10-04 |
1987-02-24 |
Visa International Service Association |
Method and apparatus for dynamic signature verification
|
|
JPS6282486A
(ja)
*
|
1985-10-08 |
1987-04-15 |
Hitachi Ltd |
オンライン手書き図形認識装置
|
|
US5164996A
(en)
*
|
1986-04-07 |
1992-11-17 |
Jose Pastor |
Optical character recognition by detecting geo features
|
|
US4837842A
(en)
*
|
1986-09-19 |
1989-06-06 |
Holt Arthur W |
Character and pattern recognition machine and method
|
|
US5097517A
(en)
*
|
1987-03-17 |
1992-03-17 |
Holt Arthur W |
Method and apparatus for processing bank checks, drafts and like financial documents
|
|
US4817187A
(en)
*
|
1987-02-19 |
1989-03-28 |
Gtx Corporation |
Apparatus and method for vectorization of incoming scanned image data
|
|
US4972262A
(en)
*
|
1988-10-27 |
1990-11-20 |
Honeywell Inc. |
Real time edge detection
|
|
JP2940956B2
(ja)
*
|
1988-11-30 |
1999-08-25 |
株式会社リコー |
線図形の特徴抽出方法
|
|
GB2227867A
(en)
*
|
1989-02-04 |
1990-08-08 |
Plessey Co Plc |
Manuscript recognition
|
|
GB2230886A
(en)
*
|
1989-04-29 |
1990-10-31 |
Marconi Gec Ltd |
Recognition of shapes
|
|
US5073955A
(en)
*
|
1989-06-16 |
1991-12-17 |
Siemens Aktiengesellschaft |
Method for recognizing previously localized characters present in digital gray tone images, particularly for recognizing characters struck into metal surfaces
|
|
US5091975A
(en)
*
|
1990-01-04 |
1992-02-25 |
Teknekron Communications Systems, Inc. |
Method and an apparatus for electronically compressing a transaction with a human signature
|
|
JP2542947B2
(ja)
*
|
1990-05-09 |
1996-10-09 |
大日本スクリーン製造株式会社 |
画像処理装置
|
|
US5182778A
(en)
*
|
1990-08-31 |
1993-01-26 |
Eastman Kodak Company |
Dot-matrix video enhancement for optical character recognition
|
|
JPH05189617A
(ja)
*
|
1991-04-15 |
1993-07-30 |
Microsoft Corp |
手書き文字認識に於けるアークのセグメント化の方法と装置
|
|
US5227590A
(en)
*
|
1991-05-17 |
1993-07-13 |
Ncr Corporation |
Handwriting capture device
|
|
US5574803A
(en)
*
|
1991-08-02 |
1996-11-12 |
Eastman Kodak Company |
Character thinning using emergent behavior of populations of competitive locally independent processes
|
|
US5675668A
(en)
*
|
1992-04-08 |
1997-10-07 |
Kawaski Steel Corporation |
Coding method, semiconductor memory for implementing coding method, decoder for semiconductor memory and method for identification of hand-written characters
|
|
JPH07306943A
(ja)
*
|
1994-05-11 |
1995-11-21 |
Sony Corp |
画像信号符号化方法
|
|
CA2139094C
(en)
*
|
1994-12-23 |
1999-04-13 |
Abdel Naser Al-Karmi |
Optical character recognition of handwritten or cursive text
|
|
JP3086396B2
(ja)
*
|
1995-03-10 |
2000-09-11 |
シャープ株式会社 |
画像符号化装置及び画像復号装置
|
|
KR0174454B1
(ko)
*
|
1995-06-30 |
1999-03-20 |
배순훈 |
특징점 기반 움직임 보상에서의 에지 검출, 세선화 방법 및 장치
|
|
EP0880108A1
(de)
*
|
1997-05-23 |
1998-11-25 |
Koninklijke Philips Electronics N.V. |
Verkettungsstufe enthaltende Bildverarbeitungsverfahren und medisches Abbildungsgerät mit Mitteln zur Durchfürung dieses Verfahrens
|
|
US6869022B2
(en)
*
|
2001-06-29 |
2005-03-22 |
General Electric Company |
Computer-and human-readable part markings and system and method using same
|
|
US10445966B1
(en)
|
2018-07-27 |
2019-10-15 |
Hart Intercivic, Inc. |
Optical character recognition of voter selections for cast vote records
|