CH372865A - Verfahren zur automatischen Erkennung von Zeichen - Google Patents

Verfahren zur automatischen Erkennung von Zeichen

Info

Publication number
CH372865A
CH372865A CH6756258A CH6756258A CH372865A CH 372865 A CH372865 A CH 372865A CH 6756258 A CH6756258 A CH 6756258A CH 6756258 A CH6756258 A CH 6756258A CH 372865 A CH372865 A CH 372865A
Authority
CH
Switzerland
Prior art keywords
characters
automatic recognition
recognition
automatic
Prior art date
Application number
CH6756258A
Other languages
English (en)
Inventor
Endres Hermann
Original Assignee
Standard Telephon & Radio Ag
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 Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH372865A publication Critical patent/CH372865A/de

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)
  • Tests Of Electronic Circuits (AREA)
  • Shift Register Type Memory (AREA)
CH6756258A 1957-04-17 1958-12-22 Verfahren zur automatischen Erkennung von Zeichen CH372865A (de)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DE1957ST012466 DE1069917B (de) 1957-04-17 1957-04-17 Verfahren zum maschinellen Erkennen von Zeichen
DEST12467A DE1077904B (de) 1957-04-17 1957-04-17 Verfahren zum Ausrichten bzw. Zentrieren 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
CH372865A true CH372865A (de) 1963-10-31

Family

ID=27581509

Family Applications (10)

Application Number Title Priority Date Filing Date
CH5814358A CH365566A (de) 1957-04-17 1958-04-11 Verfahren zum Ausrichten bzw. Zentrieren von Marken oder Zeichen in einem Beobachtungsfeld
CH5832858A CH366163A (de) 1957-04-17 1958-04-16 Verfahren zum automatischen Erkennen von Zeichen
CH6028658A CH363829A (de) 1957-04-17 1958-06-06 Verfahren zur automatischen Erkennung von Zeichen, insbesondere von Schriftzeichen
CH6061358A CH365568A (de) 1957-04-17 1958-06-16 Verfahren zur automatischen Erkennung von Zeichen
CH6529458A CH362871A (de) 1957-04-17 1958-10-22 Verfahren zur automatischen Erkennung von Zeichen
CH6529358A CH376693A (de) 1957-04-17 1958-10-22 Verfahren zur automatischen Erkennung von Zeichen, insbesondere von Schriftzeichen
CH6756258A CH372865A (de) 1957-04-17 1958-12-22 Verfahren zur automatischen Erkennung von Zeichen
CH7339659A CH379576A (de) 1957-04-17 1959-05-20 Mehrdimensionales Schieberegister
CH7410159A CH379815A (de) 1957-04-17 1959-06-06 Verfahren zur maschinellen Erkennung von Zeichen, insbesondere Schriftzeichen (Ziffern, Buchstaben und dergleichen)
CH7942259A CH368957A (de) 1957-04-17 1959-10-14 Anordnung zur automatischen Erkennung von Zeichen

Family Applications Before (6)

Application Number Title Priority Date Filing Date
CH5814358A CH365566A (de) 1957-04-17 1958-04-11 Verfahren zum Ausrichten bzw. Zentrieren von Marken oder Zeichen in einem Beobachtungsfeld
CH5832858A CH366163A (de) 1957-04-17 1958-04-16 Verfahren zum automatischen Erkennen von Zeichen
CH6028658A CH363829A (de) 1957-04-17 1958-06-06 Verfahren zur automatischen Erkennung von Zeichen, insbesondere von Schriftzeichen
CH6061358A CH365568A (de) 1957-04-17 1958-06-16 Verfahren zur automatischen Erkennung von Zeichen
CH6529458A CH362871A (de) 1957-04-17 1958-10-22 Verfahren zur automatischen Erkennung von Zeichen
CH6529358A CH376693A (de) 1957-04-17 1958-10-22 Verfahren zur automatischen Erkennung von Zeichen, insbesondere von Schriftzeichen

Family Applications After (3)

Application Number Title Priority Date Filing Date
CH7339659A CH379576A (de) 1957-04-17 1959-05-20 Mehrdimensionales Schieberegister
CH7410159A CH379815A (de) 1957-04-17 1959-06-06 Verfahren zur maschinellen Erkennung von Zeichen, insbesondere Schriftzeichen (Ziffern, Buchstaben und dergleichen)
CH7942259A CH368957A (de) 1957-04-17 1959-10-14 Anordnung zur automatischen Erkennung von Zeichen

Country Status (7)

Country Link
US (5) US3088096A (de)
BE (6) BE566888A (de)
CH (10) CH365566A (de)
DE (11) DE1069917B (de)
FR (2) FR1205483A (de)
GB (9) GB825598A (de)
NL (8) NL232548A (de)

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DE1192430B (de) * 1963-04-26 1965-05-06 Siemens Ag Verfahren und Schaltungsanordnung zur Abtastung eines Aufzeichnungstraegers
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US3446950A (en) * 1963-12-31 1969-05-27 Ibm Adaptive categorizer
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Also Published As

Publication number Publication date
BE569507A (de) 1959-01-17
GB858374A (en) 1961-01-11
GB830028A (en) 1960-03-09
US3088096A (en) 1963-04-30
DE1076984B (de) 1960-03-03
CH363829A (de) 1962-08-15
GB825598A (en) 1959-12-16
CH376693A (de) 1964-04-15
NL228298A (de) 1900-01-01
US3136976A (en) 1964-06-09
DE1075354B (de) 1960-02-11
CH379576A (de) 1964-07-15
US3069079A (en) 1962-12-18
CH379815A (de) 1964-07-15
NL226945A (de) 1900-01-01
DE1065198B (de) 1959-09-10
BE572408A (de) 1959-04-27
NL232548A (de) 1900-01-01
GB871162A (en) 1961-06-21
DE1116936B (de) 1961-11-09
CH368957A (de) 1963-04-30
DE1077904B (de) 1960-03-17
DE1077464B (de) 1960-03-10
GB832326A (en) 1960-04-06
CH366163A (de) 1962-12-15
CH365566A (de) 1962-11-15
DE1104241B (de) 1961-04-06
DE1069917B (de) 1959-11-26
GB825597A (en) 1959-12-16
US3104368A (en) 1963-09-17
FR1205483A (fr) 1960-02-03
NL235003A (de) 1900-01-01
NL233689A (de) 1900-01-01
NL226946A (de) 1900-01-01
GB878931A (en) 1961-10-04
DE1087385B (de) 1960-08-18
BE568374A (de) 1958-12-06
CH362871A (de) 1962-06-30
FR75045E (fr) 1961-02-13
DE1198599B (de) 1965-08-12
US3066224A (en) 1962-11-27
DE1121864B (de) 1962-01-11
GB852665A (en) 1960-10-26
NL229663A (de) 1900-01-01
CH365568A (de) 1962-11-15
BE566888A (de) 1958-10-17
BE569689A (de) 1959-01-24
BE566889A (de) 1958-10-17
NL229873A (de) 1900-01-01
GB871163A (en) 1961-06-21

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