FR2197277A1 - - Google Patents

Info

Publication number
FR2197277A1
FR2197277A1 FR7311774A FR7311774A FR2197277A1 FR 2197277 A1 FR2197277 A1 FR 2197277A1 FR 7311774 A FR7311774 A FR 7311774A FR 7311774 A FR7311774 A FR 7311774A FR 2197277 A1 FR2197277 A1 FR 2197277A1
Authority
FR
France
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.)
Granted
Application number
FR7311774A
Other languages
French (fr)
Other versions
FR2197277B1 (hu
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.)
Unisys Corp
Original Assignee
Burroughs Corp
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 Burroughs Corp filed Critical Burroughs Corp
Publication of FR2197277A1 publication Critical patent/FR2197277A1/fr
Application granted granted Critical
Publication of FR2197277B1 publication Critical patent/FR2197277B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/145—Square transforms, e.g. Hadamard, Walsh, Haar, Hough, Slant transforms
    • 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
    • G06V10/431—Frequency domain transformation; Autocorrelation
    • 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
    • G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
    • G06V30/1423—Image acquisition using hand-held instruments; Constructional details of the instruments the instrument generating sequences of position coordinates corresponding to handwriting
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/35—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a handwritten signature
FR7311774A 1972-08-21 1973-04-02 Expired FR2197277B1 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28241872A 1972-08-21 1972-08-21

Publications (2)

Publication Number Publication Date
FR2197277A1 true FR2197277A1 (hu) 1974-03-22
FR2197277B1 FR2197277B1 (hu) 1976-09-10

Family

ID=23081437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311774A Expired FR2197277B1 (hu) 1972-08-21 1973-04-02

Country Status (10)

Country Link
JP (1) JPS4987255A (hu)
BE (1) BE803237A (hu)
BR (1) BR7306381D0 (hu)
CA (1) CA1019837A (hu)
CH (1) CH576677A5 (hu)
DE (1) DE2340110C3 (hu)
FR (1) FR2197277B1 (hu)
GB (1) GB1400374A (hu)
IT (1) IT1003118B (hu)
NL (1) NL7310683A (hu)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122244U (hu) * 1978-02-17 1979-08-27
US4308522A (en) * 1979-03-19 1981-12-29 Ncr Corporation Identity verification apparatus and method
GB2159998B (en) * 1984-06-07 1988-02-17 Rolls Royce Personal handwriting verification
GB2164186A (en) * 1984-09-04 1986-03-12 Stc Plc Signature verification
DE69021547T2 (de) * 1990-02-16 1996-01-18 Rolls Royce Plc Vorrichtung und Verfahren zum Feststellen der Echtheit der Handschrift einer Person.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PUBLICATION AMERICAINE "PROCEEDINGS OF THE SYMPOSIUM ON APPLICATION OF WALSH FUNCTIONS", AVRIL 1971, PAGES 101-105, ARTICLE: "DIGITAL WALSH FILTER DESIGN", MURRAY .) *

Also Published As

Publication number Publication date
JPS4987255A (hu) 1974-08-21
DE2340110B2 (de) 1980-06-19
IT1003118B (it) 1976-06-10
BE803237A (fr) 1973-12-03
GB1400374A (en) 1975-07-16
AU5894673A (en) 1975-02-06
FR2197277B1 (hu) 1976-09-10
CH576677A5 (hu) 1976-06-15
CA1019837A (en) 1977-10-25
NL7310683A (hu) 1974-02-25
BR7306381D0 (pt) 1974-07-25
DE2340110C3 (de) 1981-04-09
DE2340110A1 (de) 1974-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse