BR7306381D0 - Aparelho para proporcionar uma caracterizacao digital, para verificacao de assinatura, aparelho e processo de codificacao de assinatura e aparelho para conversao - Google Patents

Aparelho para proporcionar uma caracterizacao digital, para verificacao de assinatura, aparelho e processo de codificacao de assinatura e aparelho para conversao

Info

Publication number
BR7306381D0
BR7306381D0 BR6381/73A BR638173A BR7306381D0 BR 7306381 D0 BR7306381 D0 BR 7306381D0 BR 6381/73 A BR6381/73 A BR 6381/73A BR 638173 A BR638173 A BR 638173A BR 7306381 D0 BR7306381 D0 BR 7306381D0
Authority
BR
Brazil
Prior art keywords
appliance
signature
conversation
coding process
digital characterization
Prior art date
Application number
BR6381/73A
Other languages
English (en)
Portuguese (pt)
Inventor
A Radcliffe
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 BR7306381D0 publication Critical patent/BR7306381D0/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mathematical Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Collating Specific Patterns (AREA)
  • Complex Calculations (AREA)
  • Image Analysis (AREA)
BR6381/73A 1972-08-21 1973-08-17 Aparelho para proporcionar uma caracterizacao digital, para verificacao de assinatura, aparelho e processo de codificacao de assinatura e aparelho para conversao BR7306381D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7306381D0 true BR7306381D0 (pt) 1974-07-25

Family

ID=23081437

Family Applications (1)

Application Number Title Priority Date Filing Date
BR6381/73A BR7306381D0 (pt) 1972-08-21 1973-08-17 Aparelho para proporcionar uma caracterizacao digital, para verificacao de assinatura, aparelho e processo de codificacao de assinatura e aparelho para conversao

Country Status (10)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122244U (enrdf_load_stackoverflow) * 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.

Also Published As

Publication number Publication date
CA1019837A (en) 1977-10-25
CH576677A5 (enrdf_load_stackoverflow) 1976-06-15
FR2197277A1 (enrdf_load_stackoverflow) 1974-03-22
IT1003118B (it) 1976-06-10
JPS4987255A (enrdf_load_stackoverflow) 1974-08-21
NL7310683A (enrdf_load_stackoverflow) 1974-02-25
DE2340110B2 (de) 1980-06-19
BE803237A (fr) 1973-12-03
FR2197277B1 (enrdf_load_stackoverflow) 1976-09-10
GB1400374A (en) 1975-07-16
AU5894673A (en) 1975-02-06
DE2340110C3 (de) 1981-04-09
DE2340110A1 (de) 1974-03-07

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