GB825598A - Character recognition equipment - Google Patents

Character recognition equipment

Info

Publication number
GB825598A
GB825598A GB11515/58A GB1151558A GB825598A GB 825598 A GB825598 A GB 825598A GB 11515/58 A GB11515/58 A GB 11515/58A GB 1151558 A GB1151558 A GB 1151558A GB 825598 A GB825598 A GB 825598A
Authority
GB
United Kingdom
Prior art keywords
character
field
current
points
raster pattern
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
Application number
GB11515/58A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB825598A publication Critical patent/GB825598A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/04—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using cores with one aperture or magnetic loop
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
    • 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
    • G06V30/144—Image acquisition using a slot moved over the image; using discrete sensing elements at predetermined points; using automatic curve following means
    • 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
    • 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
    • G06V30/18—Extraction of features or characteristics of the image
    • 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
    • G06V30/18—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; 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
    • G06V30/19—Recognition using electronic means
    • G06V30/19007—Matching; Proximity measures
    • G06V30/19013—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V30/1902—Shifting or otherwise transforming the patterns to accommodate for positional errors
    • 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
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
  • Shift Register Type Memory (AREA)
  • Tests Of Electronic Circuits (AREA)
GB11515/58A 1957-04-17 1958-04-11 Character recognition equipment Expired GB825598A (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DEST12467A DE1077904B (de) 1957-04-17 1957-04-17 Verfahren zum Ausrichten bzw. Zentrieren von Zeichen
DE1957ST012466 DE1069917B (de) 1957-04-17 1957-04-17 Verfahren zum maschinellen Erkennen von Zeichen
DEST012648 1957-06-08
DE1957ST012777 DE1075354B (de) 1957-04-17 1957-07-17 Verfahren und Anordnung zur automatischen Erkennung von Zeichen
DEST12800A DE1104241B (de) 1957-04-17 1957-07-24 Verfahren zur Abtastung von Zeichen u. dgl. zwecks automatischer Erkennung
DEST13097A DE1076984B (de) 1957-04-17 1957-10-26 Verfahren und Anordnung zur automatischen Erkennung von Zeichen
DEST13211A DE1077464B (de) 1957-04-17 1957-11-27 Verfahren und Anordnung zum automatischen Erkennen von Zeichen, insbesondere Schriftzeichen
DEST13329A DE1087385B (de) 1957-04-17 1958-01-09 Verfahren und Anordnung zur automatischen Erkennung von Zeichen
DEST13783A DE1198599B (de) 1957-04-17 1958-05-20 Zweidimensionales Schieberegister
DEST13838A DE1121864B (de) 1957-04-17 1958-06-06 Verfahren und Anordnung zum maschinellen Erkennen von Zeichen
DEST14358A DE1116936B (de) 1957-04-17 1959-10-21 Anordnung zur automatischen Erkennung von Zeichen

Publications (1)

Publication Number Publication Date
GB825598A true GB825598A (en) 1959-12-16

Family

ID=27581509

Family Applications (9)

Application Number Title Priority Date Filing Date
GB11515/58A Expired GB825598A (en) 1957-04-17 1958-04-11 Character recognition equipment
GB11514/58A Expired GB825597A (en) 1957-04-17 1958-04-11 Character recognition equipment
GB18153/58A Expired GB832326A (en) 1957-04-17 1958-06-06 Character recognition equipment
GB22390/58A Expired GB871162A (en) 1957-04-17 1958-07-11 Character recognition equipment
GB23115/58A Expired GB830028A (en) 1957-04-17 1958-07-18 Character recognition equipment
GB34087/58A Expired GB852665A (en) 1957-04-17 1958-10-24 Character recognition equipment
GB37539/58A Expired GB858374A (en) 1957-04-17 1958-11-21 Character recognition equipment
GB182/59A Expired GB871163A (en) 1957-04-17 1959-01-02 Character recognition equipment
GB19315/59A Expired GB878931A (en) 1957-04-17 1959-06-05 Character recognition equipment

Family Applications After (8)

Application Number Title Priority Date Filing Date
GB11514/58A Expired GB825597A (en) 1957-04-17 1958-04-11 Character recognition equipment
GB18153/58A Expired GB832326A (en) 1957-04-17 1958-06-06 Character recognition equipment
GB22390/58A Expired GB871162A (en) 1957-04-17 1958-07-11 Character recognition equipment
GB23115/58A Expired GB830028A (en) 1957-04-17 1958-07-18 Character recognition equipment
GB34087/58A Expired GB852665A (en) 1957-04-17 1958-10-24 Character recognition equipment
GB37539/58A Expired GB858374A (en) 1957-04-17 1958-11-21 Character recognition equipment
GB182/59A Expired GB871163A (en) 1957-04-17 1959-01-02 Character recognition equipment
GB19315/59A Expired GB878931A (en) 1957-04-17 1959-06-05 Character recognition equipment

Country Status (7)

Country Link
US (5) US3088096A (US07122603-20061017-C00294.png)
BE (6) BE566888A (US07122603-20061017-C00294.png)
CH (10) CH365566A (US07122603-20061017-C00294.png)
DE (11) DE1077904B (US07122603-20061017-C00294.png)
FR (2) FR1205483A (US07122603-20061017-C00294.png)
GB (9) GB825598A (US07122603-20061017-C00294.png)
NL (8) NL232548A (US07122603-20061017-C00294.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113920497A (zh) * 2021-12-07 2022-01-11 广东电网有限责任公司东莞供电局 一种铭牌识别模型的训练、铭牌的识别方法及相关装置

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US3268864A (en) * 1963-03-18 1966-08-23 Apparatus for feature recognition of symbols
US3247483A (en) * 1963-03-26 1966-04-19 Ibm Character recognition system employing a plurality of spaced serial transducers
US3278900A (en) * 1963-04-01 1966-10-11 Ibm Character recognition system employing pulse time interval measurement
DE1184534B (de) * 1963-04-11 1964-12-31 Siemens Ag Verfahren und Schaltung zur maschinellen Erkennung von Schriftzeichen
DE1192430B (de) * 1963-04-26 1965-05-06 Siemens Ag Verfahren und Schaltungsanordnung zur Abtastung eines Aufzeichnungstraegers
DE1263362B (de) * 1963-05-30 1968-03-14 Kabushiki Kaisha Hitachi Seisakusho, Marunouchi, Chiyoda-Ku, Tokio (Japan) Verfahren zum maschinellen Erkennen von Zeichen und Einrichtung zur Durchführung dieses Verfahrens
US3249766A (en) * 1963-08-23 1966-05-03 Martin Marietta Corp Shift registers employing tunnel diodes and particular gating means
US3446950A (en) * 1963-12-31 1969-05-27 Ibm Adaptive categorizer
US3303468A (en) * 1964-03-02 1967-02-07 Ncr Co Character recognition system employing a sensing device with a photosensitive surface
US3525981A (en) * 1964-07-31 1970-08-25 Hitachi Ltd Method and system for detection of pattern features
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US3508031A (en) * 1965-08-23 1970-04-21 Ind Instrumentations Inc Control system employing card having conductive inserts
US3479642A (en) * 1966-02-21 1969-11-18 Ibm Threshold system
DE1623566A1 (de) * 1966-03-11 1971-01-14 Schneider Feinwerktechnik Jos Faseroptisches Koordinatenmessgeraet
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US3593283A (en) * 1966-09-19 1971-07-13 Hitachi Ltd Feature-extracting system for pattern-recognition apparatus and the like
US3613080A (en) * 1968-11-08 1971-10-12 Scan Data Corp Character recognition system utilizing feature extraction
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FR1599243A (US07122603-20061017-C00294.png) * 1968-12-12 1970-07-15
US3651462A (en) * 1970-07-20 1972-03-21 Ibm Single scan character registration
US3713096A (en) * 1971-03-31 1973-01-23 Ibm Shift register interconnection of data processing system
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US3784982A (en) * 1971-08-16 1974-01-08 Isotec Inc Electro-optical handwritten character reader
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US3859633A (en) * 1973-06-29 1975-01-07 Ibm Minutiae recognition system
US3964021A (en) * 1973-07-27 1976-06-15 Visionetics Limited Partnership Preprocessing system and method for pattern enhancement
CH591726A5 (US07122603-20061017-C00294.png) * 1973-07-30 1977-09-30 Nederlanden Staat
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113920497A (zh) * 2021-12-07 2022-01-11 广东电网有限责任公司东莞供电局 一种铭牌识别模型的训练、铭牌的识别方法及相关装置

Also Published As

Publication number Publication date
BE568374A (US07122603-20061017-C00294.png) 1958-12-06
CH379815A (de) 1964-07-15
BE566889A (US07122603-20061017-C00294.png) 1958-10-17
GB878931A (en) 1961-10-04
NL228298A (US07122603-20061017-C00294.png) 1900-01-01
NL229873A (US07122603-20061017-C00294.png) 1900-01-01
DE1076984B (de) 1960-03-03
GB858374A (en) 1961-01-11
NL232548A (US07122603-20061017-C00294.png) 1900-01-01
CH363829A (de) 1962-08-15
NL226946A (US07122603-20061017-C00294.png) 1900-01-01
NL233689A (US07122603-20061017-C00294.png) 1900-01-01
GB852665A (en) 1960-10-26
DE1116936B (de) 1961-11-09
DE1077464B (de) 1960-03-10
GB832326A (en) 1960-04-06
DE1069917B (de) 1959-11-26
FR1205483A (fr) 1960-02-03
CH366163A (de) 1962-12-15
CH372865A (de) 1963-10-31
US3088096A (en) 1963-04-30
GB830028A (en) 1960-03-09
DE1065198B (de) 1959-09-10
CH365568A (de) 1962-11-15
BE569689A (US07122603-20061017-C00294.png) 1959-01-24
CH368957A (de) 1963-04-30
US3136976A (en) 1964-06-09
GB871162A (en) 1961-06-21
US3066224A (en) 1962-11-27
DE1104241B (de) 1961-04-06
BE569507A (US07122603-20061017-C00294.png) 1959-01-17
US3104368A (en) 1963-09-17
NL226945A (US07122603-20061017-C00294.png) 1900-01-01
CH362871A (de) 1962-06-30
US3069079A (en) 1962-12-18
DE1077904B (de) 1960-03-17
DE1075354B (de) 1960-02-11
FR75045E (fr) 1961-02-13
NL235003A (US07122603-20061017-C00294.png) 1900-01-01
NL229663A (US07122603-20061017-C00294.png) 1900-01-01
BE566888A (US07122603-20061017-C00294.png) 1958-10-17
DE1121864B (de) 1962-01-11
DE1198599B (de) 1965-08-12
GB825597A (en) 1959-12-16
GB871163A (en) 1961-06-21
CH379576A (de) 1964-07-15
CH365566A (de) 1962-11-15
DE1087385B (de) 1960-08-18
BE572408A (US07122603-20061017-C00294.png) 1959-04-27
CH376693A (de) 1964-04-15

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