SE7609967L - Optisk teckenlesare - Google Patents

Optisk teckenlesare

Info

Publication number
SE7609967L
SE7609967L SE7609967A SE7609967A SE7609967L SE 7609967 L SE7609967 L SE 7609967L SE 7609967 A SE7609967 A SE 7609967A SE 7609967 A SE7609967 A SE 7609967A SE 7609967 L SE7609967 L SE 7609967L
Authority
SE
Sweden
Prior art keywords
optical character
character reader
reader
optical
character
Prior art date
Application number
SE7609967A
Other languages
English (en)
Swedish (sv)
Inventor
J A Whitfield
E W Burdis
Original Assignee
Plessey Handel Investment 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 Plessey Handel Investment Ag filed Critical Plessey Handel Investment Ag
Publication of SE7609967L publication Critical patent/SE7609967L/xx

Links

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
    • G06V30/18—Extraction of features or characteristics of the image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • 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
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G06V10/421—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation by analysing segments intersecting the pattern
SE7609967A 1975-09-11 1976-09-09 Optisk teckenlesare SE7609967L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37346/75A GB1554164A (en) 1975-09-11 1975-09-11 Optical character recognition systems

Publications (1)

Publication Number Publication Date
SE7609967L true SE7609967L (sv) 1977-03-12

Family

ID=10395753

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7609967A SE7609967L (sv) 1975-09-11 1976-09-09 Optisk teckenlesare

Country Status (8)

Country Link
US (1) US4056804A (xx)
JP (1) JPS5248439A (xx)
AU (1) AU498121B2 (xx)
CA (1) CA1068407A (xx)
DE (1) DE2640677A1 (xx)
FR (1) FR2324063A1 (xx)
GB (1) GB1554164A (xx)
SE (1) SE7609967L (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2002159B (en) * 1977-07-07 1982-01-13 Sumitomo Electric Industries Character reading system
JPS54132131A (en) * 1978-04-05 1979-10-13 Sumitomo Electric Ind Ltd Optical information reading device
DE2817341C2 (de) * 1978-04-20 1984-01-19 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Optisches Handlesegerät für die maschinelle Zeichenerkennung
AU533978B2 (en) * 1979-11-16 1983-12-22 Tokyo Electric Co. Ltd. Character reader
US4376582A (en) * 1980-12-09 1983-03-15 The United States Of America As Represented By The United States Department Of Energy Optical fuel pin scanner
US4637718A (en) * 1980-12-09 1987-01-20 The United States Of America As Represented By The United States Department Of Energy Hand-held optical fuel pin scanner
US4402088A (en) * 1981-04-09 1983-08-30 Recognition Equipment Incorporated OCR And bar code reading using area array
US4707747A (en) * 1984-07-13 1987-11-17 Rockwell Iii Marshall A Hand held scanning input device and system
US4742220A (en) * 1984-09-20 1988-05-03 Skan-A-Matic Corp. System for optical scanning over a large depth of field and obtaining high resolution of bar codes
DE4300317A1 (de) * 1993-01-08 1994-07-14 Thomson Brandt Gmbh System zur Programmierung und/oder Eingabe von Informationen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519991A (en) * 1967-02-09 1970-07-07 Nippon Electric Co Optical character reading apparatus
US3593287A (en) * 1968-04-18 1971-07-13 Nippon Electric Co Optical character reader embodying detected vertical stroke relocation
GB1270013A (en) * 1968-07-18 1972-04-12 Plessey Co Ltd Improvements in or relating to optical character recognition systems
BE791992A (fr) * 1971-11-30 1973-03-16 Licentia Gmbh Procede de centrage d'un caractere introduit dans le dispositifd'identification d'un appareil de reconnaissance de caracteres et montage permettant la mise en oeuvre de ce procede
US3947817A (en) * 1974-01-07 1976-03-30 Recognition Equipment Incorporated Hand operated optical character recognition wand

Also Published As

Publication number Publication date
CA1068407A (en) 1979-12-18
FR2324063A1 (fr) 1977-04-08
US4056804A (en) 1977-11-01
JPS5248439A (en) 1977-04-18
DE2640677A1 (de) 1977-03-17
AU498121B2 (en) 1979-02-08
GB1554164A (en) 1979-10-17
AU1759576A (en) 1978-03-16

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