US3872433A - Optical character recognition system - Google Patents
Optical character recognition system Download PDFInfo
- Publication number
- US3872433A US3872433A US367881A US36788173A US3872433A US 3872433 A US3872433 A US 3872433A US 367881 A US367881 A US 367881A US 36788173 A US36788173 A US 36788173A US 3872433 A US3872433 A US 3872433A
- Authority
- US
- United States
- Prior art keywords
- data
- document
- format
- read
- array
- 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
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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
- G06V30/10—Character recognition
- G06V30/12—Detection or correction of errors, e.g. by rescanning the pattern
-
- 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
- G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
-
- 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
Definitions
- MPGNETlCTAPE GCDNIROLLER- FORMRTTER (Men. cvcLE "rmme (MEHLYIZLE ⁇ N'rsamek) (DATR 5 HOUR. Mux (ERROR FIELD- (nm'a BUFFER FULL F/F) (MEM. saacutsruNzzcsi-m) Mar. 18, 1975 [57 ABSTRACT An optical character recognition system is arranged to process format conditioning documents which designate the locations of data fields on data documents to be read. Those portions of the data documents outside the data fields which are designated by the conditioning document are rendered invisible to the system, thereby permitting the system to process only data which may be located in the midst of other'printed matter.
- a fine line adjustment capability permits the system to reposition the document as necessaryto locate a data field which is not located precisely as had been indicated by the format conditioning document.
- the system is thus automatically adaptable to any data format without requiring specialized programming.
- the system samples successive vertical slices of data characters being optically scanned and reassembles the slices electronically for purposes of recognition.
- the position of each slice is analyzed in order to predict the position, relative to the photo-sensitive array, of the next slice.
- This permits reliable system adaptation to a data line which is fully or partially skewed relative to its document page. Failure to recognize one or more data characters during scan of a line results in successive automatic re-scans of that line with automatic increase of detection sensitivity during each rescan to permit characters of relatively light print to be recognized.
- PITCH 1 3a CTOR 204 rXIlqRirNMQ HWG-For v c l ED ⁇ NT FON g LlNE- DELETE @1403) I COCLA) T v r (was?) "205 OWE-rs 206 BEST MATCH DETECTOR f (ms 98-!03) comzzum N FUNCfl N ASCII v HE'lGHT CODE SPACE DET.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
Claims (22)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US367881A US3872433A (en) | 1973-06-07 | 1973-06-07 | Optical character recognition system |
GB5780373A GB1458681A (en) | 1973-06-07 | 1973-12-13 | Optical character recognition system and method |
CA74191381A CA1049147A (en) | 1973-06-07 | 1974-01-30 | Optical character recognition system |
FR7404531A FR2289009A1 (en) | 1973-06-07 | 1974-02-11 | DEVICE AND METHOD FOR OPTICAL CHARACTER RECOGNITION |
JP49041782A JPS5017931A (en) | 1973-06-07 | 1974-04-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US367881A US3872433A (en) | 1973-06-07 | 1973-06-07 | Optical character recognition system |
Publications (1)
Publication Number | Publication Date |
---|---|
US3872433A true US3872433A (en) | 1975-03-18 |
Family
ID=23449012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US367881A Expired - Lifetime US3872433A (en) | 1973-06-07 | 1973-06-07 | Optical character recognition system |
Country Status (5)
Country | Link |
---|---|
US (1) | US3872433A (en) |
JP (1) | JPS5017931A (en) |
CA (1) | CA1049147A (en) |
FR (1) | FR2289009A1 (en) |
GB (1) | GB1458681A (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4273440A (en) * | 1977-08-30 | 1981-06-16 | Horst Froessl | Method and apparatus for data collection and preparation |
WO1983002026A1 (en) * | 1981-11-28 | 1983-06-09 | Wevelsiep, Klaus | Method and device for reading contrasting indicia |
US4408181A (en) * | 1979-04-10 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Document data filing/retrieval system |
US4677551A (en) * | 1983-01-14 | 1987-06-30 | Fuji Xerox Co., Ltd. | Apparatus for producing a series of documents from reformatted input data and for checking the order of production |
US4764976A (en) * | 1986-06-26 | 1988-08-16 | Ncr Corporation | Document reader module |
US4953230A (en) * | 1982-02-05 | 1990-08-28 | Ricoh Company, Ltd. | Document image processing system |
US5129016A (en) * | 1986-05-16 | 1992-07-07 | Hitachi, Ltd. | System for registration of documents |
US5307424A (en) * | 1990-12-12 | 1994-04-26 | Eberhard Kuehl | Character recognition system |
US5483606A (en) * | 1994-01-03 | 1996-01-09 | Xerox Corporation | Method for automatically registering a document having a plurality of pages |
US6282315B1 (en) * | 1990-10-22 | 2001-08-28 | Samsung Electronics, Ltd. | System for entering handwritten data into computer generated forms |
US20080126415A1 (en) * | 2006-11-29 | 2008-05-29 | Google Inc. | Digital Image Archiving and Retrieval in a Mobile Device System |
US20080162603A1 (en) * | 2006-12-28 | 2008-07-03 | Google Inc. | Document archiving system |
US20080162602A1 (en) * | 2006-12-28 | 2008-07-03 | Google Inc. | Document archiving system |
US20110260829A1 (en) * | 2010-04-21 | 2011-10-27 | Research In Motion Limited | Method of providing security on a portable electronic device having a touch-sensitive display |
CN103020556A (en) * | 2012-10-24 | 2013-04-03 | 北京机械工业自动化研究所 | Stacker information identification method and system |
US8490008B2 (en) | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
US8543934B1 (en) | 2012-04-30 | 2013-09-24 | Blackberry Limited | Method and apparatus for text selection |
US8659569B2 (en) | 2012-02-24 | 2014-02-25 | Blackberry Limited | Portable electronic device including touch-sensitive display and method of controlling same |
US9063653B2 (en) | 2012-08-31 | 2015-06-23 | Blackberry Limited | Ranking predictions based on typing speed and typing confidence |
US9116552B2 (en) | 2012-06-27 | 2015-08-25 | Blackberry Limited | Touchscreen keyboard providing selection of word predictions in partitions of the touchscreen keyboard |
US9122672B2 (en) | 2011-11-10 | 2015-09-01 | Blackberry Limited | In-letter word prediction for virtual keyboard |
US9152323B2 (en) | 2012-01-19 | 2015-10-06 | Blackberry Limited | Virtual keyboard providing an indication of received input |
US9195386B2 (en) | 2012-04-30 | 2015-11-24 | Blackberry Limited | Method and apapratus for text selection |
US9201510B2 (en) | 2012-04-16 | 2015-12-01 | Blackberry Limited | Method and device having touchscreen keyboard with visual cues |
US9207860B2 (en) | 2012-05-25 | 2015-12-08 | Blackberry Limited | Method and apparatus for detecting a gesture |
US9310889B2 (en) | 2011-11-10 | 2016-04-12 | Blackberry Limited | Touchscreen keyboard predictive display and generation of a set of characters |
US9332106B2 (en) | 2009-01-30 | 2016-05-03 | Blackberry Limited | System and method for access control in a portable electronic device |
US9524290B2 (en) | 2012-08-31 | 2016-12-20 | Blackberry Limited | Scoring predictions based on prediction length and typing speed |
US9557913B2 (en) | 2012-01-19 | 2017-01-31 | Blackberry Limited | Virtual keyboard display having a ticker proximate to the virtual keyboard |
US9652448B2 (en) | 2011-11-10 | 2017-05-16 | Blackberry Limited | Methods and systems for removing or replacing on-keyboard prediction candidates |
US9715489B2 (en) | 2011-11-10 | 2017-07-25 | Blackberry Limited | Displaying a prediction candidate after a typing mistake |
US9910588B2 (en) | 2012-02-24 | 2018-03-06 | Blackberry Limited | Touchscreen keyboard providing word predictions in partitions of the touchscreen keyboard in proximate association with candidate letters |
US10025487B2 (en) | 2012-04-30 | 2018-07-17 | Blackberry Limited | Method and apparatus for text selection |
CN108764226A (en) * | 2018-04-13 | 2018-11-06 | 顺丰科技有限公司 | Image text recognition methods, device, equipment and its storage medium |
US11044373B2 (en) * | 2019-03-15 | 2021-06-22 | Toshiba Tec Kabushiki Kaisha | Image forming apparatus and image forming method |
US20230222103A1 (en) * | 2022-01-10 | 2023-07-13 | Box, Inc. | Synchroniznig files having filenames with illegal characters |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2620977A (en) * | 1950-12-29 | 1952-12-09 | Ibm | Card feed controlling mechanism |
US3307018A (en) * | 1961-08-11 | 1967-02-28 | Astier Pierre Jean-Baptiste | Card control apparatus |
US3337766A (en) * | 1964-04-16 | 1967-08-22 | Ibm | Selective beam positioning of a flying spot scanner with error correction |
US3347367A (en) * | 1962-12-28 | 1967-10-17 | Sperry Rand Corp | Document sorting |
US3458688A (en) * | 1965-08-09 | 1969-07-29 | Ibm | Document line position identification for line marking and document indexing apparatus |
US3761876A (en) * | 1971-07-28 | 1973-09-25 | Recognition Equipment Inc | Recognition unit for optical character reading system |
US3820067A (en) * | 1969-11-14 | 1974-06-25 | Cognitronics Corp | Character reading system controlled by preprinted program control characters on document form |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US352393A (en) * | 1886-11-09 | Under-garment | ||
JPS4319771Y1 (en) * | 1965-11-19 | 1968-08-19 | ||
US3582886A (en) * | 1967-10-03 | 1971-06-01 | Ibm | Scanning address generator for computer-controlled character reader |
JPS4514486Y1 (en) * | 1967-12-25 | 1970-06-18 | ||
US3886325A (en) * | 1973-04-18 | 1975-05-27 | Ibm | Formatting for record-controlled machines |
-
1973
- 1973-06-07 US US367881A patent/US3872433A/en not_active Expired - Lifetime
- 1973-12-13 GB GB5780373A patent/GB1458681A/en not_active Expired
-
1974
- 1974-01-30 CA CA74191381A patent/CA1049147A/en not_active Expired
- 1974-02-11 FR FR7404531A patent/FR2289009A1/en active Granted
- 1974-04-15 JP JP49041782A patent/JPS5017931A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2620977A (en) * | 1950-12-29 | 1952-12-09 | Ibm | Card feed controlling mechanism |
US3307018A (en) * | 1961-08-11 | 1967-02-28 | Astier Pierre Jean-Baptiste | Card control apparatus |
US3347367A (en) * | 1962-12-28 | 1967-10-17 | Sperry Rand Corp | Document sorting |
US3337766A (en) * | 1964-04-16 | 1967-08-22 | Ibm | Selective beam positioning of a flying spot scanner with error correction |
US3458688A (en) * | 1965-08-09 | 1969-07-29 | Ibm | Document line position identification for line marking and document indexing apparatus |
US3820067A (en) * | 1969-11-14 | 1974-06-25 | Cognitronics Corp | Character reading system controlled by preprinted program control characters on document form |
US3761876A (en) * | 1971-07-28 | 1973-09-25 | Recognition Equipment Inc | Recognition unit for optical character reading system |
Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4273440A (en) * | 1977-08-30 | 1981-06-16 | Horst Froessl | Method and apparatus for data collection and preparation |
US4408181A (en) * | 1979-04-10 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Document data filing/retrieval system |
WO1983002026A1 (en) * | 1981-11-28 | 1983-06-09 | Wevelsiep, Klaus | Method and device for reading contrasting indicia |
US4953230A (en) * | 1982-02-05 | 1990-08-28 | Ricoh Company, Ltd. | Document image processing system |
US4677551A (en) * | 1983-01-14 | 1987-06-30 | Fuji Xerox Co., Ltd. | Apparatus for producing a series of documents from reformatted input data and for checking the order of production |
US5129016A (en) * | 1986-05-16 | 1992-07-07 | Hitachi, Ltd. | System for registration of documents |
US4764976A (en) * | 1986-06-26 | 1988-08-16 | Ncr Corporation | Document reader module |
US6282315B1 (en) * | 1990-10-22 | 2001-08-28 | Samsung Electronics, Ltd. | System for entering handwritten data into computer generated forms |
US5307424A (en) * | 1990-12-12 | 1994-04-26 | Eberhard Kuehl | Character recognition system |
US5483606A (en) * | 1994-01-03 | 1996-01-09 | Xerox Corporation | Method for automatically registering a document having a plurality of pages |
US20080126415A1 (en) * | 2006-11-29 | 2008-05-29 | Google Inc. | Digital Image Archiving and Retrieval in a Mobile Device System |
US7986843B2 (en) | 2006-11-29 | 2011-07-26 | Google Inc. | Digital image archiving and retrieval in a mobile device system |
US8620114B2 (en) | 2006-11-29 | 2013-12-31 | Google Inc. | Digital image archiving and retrieval in a mobile device system |
US8897579B2 (en) | 2006-11-29 | 2014-11-25 | Google Inc. | Digital image archiving and retrieval |
US20080162603A1 (en) * | 2006-12-28 | 2008-07-03 | Google Inc. | Document archiving system |
US20080162602A1 (en) * | 2006-12-28 | 2008-07-03 | Google Inc. | Document archiving system |
US9332106B2 (en) | 2009-01-30 | 2016-05-03 | Blackberry Limited | System and method for access control in a portable electronic device |
US20110260829A1 (en) * | 2010-04-21 | 2011-10-27 | Research In Motion Limited | Method of providing security on a portable electronic device having a touch-sensitive display |
US9715489B2 (en) | 2011-11-10 | 2017-07-25 | Blackberry Limited | Displaying a prediction candidate after a typing mistake |
US8490008B2 (en) | 2011-11-10 | 2013-07-16 | Research In Motion Limited | Touchscreen keyboard predictive display and generation of a set of characters |
US9032322B2 (en) | 2011-11-10 | 2015-05-12 | Blackberry Limited | Touchscreen keyboard predictive display and generation of a set of characters |
US9652448B2 (en) | 2011-11-10 | 2017-05-16 | Blackberry Limited | Methods and systems for removing or replacing on-keyboard prediction candidates |
US9122672B2 (en) | 2011-11-10 | 2015-09-01 | Blackberry Limited | In-letter word prediction for virtual keyboard |
US9310889B2 (en) | 2011-11-10 | 2016-04-12 | Blackberry Limited | Touchscreen keyboard predictive display and generation of a set of characters |
US9557913B2 (en) | 2012-01-19 | 2017-01-31 | Blackberry Limited | Virtual keyboard display having a ticker proximate to the virtual keyboard |
US9152323B2 (en) | 2012-01-19 | 2015-10-06 | Blackberry Limited | Virtual keyboard providing an indication of received input |
US8659569B2 (en) | 2012-02-24 | 2014-02-25 | Blackberry Limited | Portable electronic device including touch-sensitive display and method of controlling same |
US9910588B2 (en) | 2012-02-24 | 2018-03-06 | Blackberry Limited | Touchscreen keyboard providing word predictions in partitions of the touchscreen keyboard in proximate association with candidate letters |
US9201510B2 (en) | 2012-04-16 | 2015-12-01 | Blackberry Limited | Method and device having touchscreen keyboard with visual cues |
US9442651B2 (en) | 2012-04-30 | 2016-09-13 | Blackberry Limited | Method and apparatus for text selection |
US10025487B2 (en) | 2012-04-30 | 2018-07-17 | Blackberry Limited | Method and apparatus for text selection |
US10331313B2 (en) | 2012-04-30 | 2019-06-25 | Blackberry Limited | Method and apparatus for text selection |
US9354805B2 (en) | 2012-04-30 | 2016-05-31 | Blackberry Limited | Method and apparatus for text selection |
US9195386B2 (en) | 2012-04-30 | 2015-11-24 | Blackberry Limited | Method and apapratus for text selection |
US9292192B2 (en) | 2012-04-30 | 2016-03-22 | Blackberry Limited | Method and apparatus for text selection |
US8543934B1 (en) | 2012-04-30 | 2013-09-24 | Blackberry Limited | Method and apparatus for text selection |
US9207860B2 (en) | 2012-05-25 | 2015-12-08 | Blackberry Limited | Method and apparatus for detecting a gesture |
US9116552B2 (en) | 2012-06-27 | 2015-08-25 | Blackberry Limited | Touchscreen keyboard providing selection of word predictions in partitions of the touchscreen keyboard |
US9063653B2 (en) | 2012-08-31 | 2015-06-23 | Blackberry Limited | Ranking predictions based on typing speed and typing confidence |
US9524290B2 (en) | 2012-08-31 | 2016-12-20 | Blackberry Limited | Scoring predictions based on prediction length and typing speed |
CN103020556A (en) * | 2012-10-24 | 2013-04-03 | 北京机械工业自动化研究所 | Stacker information identification method and system |
CN108764226A (en) * | 2018-04-13 | 2018-11-06 | 顺丰科技有限公司 | Image text recognition methods, device, equipment and its storage medium |
CN108764226B (en) * | 2018-04-13 | 2022-05-03 | 顺丰科技有限公司 | Image text recognition method, device, equipment and storage medium thereof |
US11044373B2 (en) * | 2019-03-15 | 2021-06-22 | Toshiba Tec Kabushiki Kaisha | Image forming apparatus and image forming method |
US20230222103A1 (en) * | 2022-01-10 | 2023-07-13 | Box, Inc. | Synchroniznig files having filenames with illegal characters |
Also Published As
Publication number | Publication date |
---|---|
JPS5017931A (en) | 1975-02-25 |
GB1458681A (en) | 1976-12-15 |
FR2289009A1 (en) | 1976-05-21 |
CA1049147A (en) | 1979-02-20 |
FR2289009B1 (en) | 1978-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: RECOGNITION EQUIPMENT INCORPORATED, A CORP. OF DE. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:COMPUSCAN, INC.;REEL/FRAME:004834/0595 Effective date: 19880129 Owner name: COMPUSCAN, INC., Free format text: MERGER;ASSIGNOR:OPTICAL BUSINESS MACHINES, INC., (MERGED INTO);REEL/FRAME:004893/0218 Effective date: 19860203 Owner name: RECOGNITION EQUIPMENT INCORPORATED, A CORP. OF DE. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:COMPUSCAN, INC.;REEL/FRAME:004834/0595 Effective date: 19880129 |
|
AS | Assignment |
Owner name: CHEMICAL BANK, A NY BANKING CORP. Free format text: SECURITY INTEREST;ASSIGNORS:RECOGNITION EQUIPMENT INCORPORATED;PLEXUS SOFTWARE, INC.;REEL/FRAME:005323/0509 Effective date: 19891119 |
|
AS | Assignment |
Owner name: RECOGNITION EQUIPMENT INCORPORATED ("REI") 2701 EA Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:CHEMICAL BANK, A NY. BANKING CORP.;REEL/FRAME:005439/0823 Effective date: 19900731 |