CH576677A5 - - Google Patents

Info

Publication number
CH576677A5
CH576677A5 CH1137073A CH1137073A CH576677A5 CH 576677 A5 CH576677 A5 CH 576677A5 CH 1137073 A CH1137073 A CH 1137073A CH 1137073 A CH1137073 A CH 1137073A CH 576677 A5 CH576677 A5 CH 576677A5
Authority
CH
Switzerland
Application number
CH1137073A
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 CH576677A5 publication Critical patent/CH576677A5/xx

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
CH1137073A 1972-08-21 1973-08-06 CH576677A5 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH576677A5 true CH576677A5 (en) 1976-06-15

Family

ID=23081437

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1137073A CH576677A5 (en) 1972-08-21 1973-08-06

Country Status (10)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122244U (en) * 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
EP0442208B1 (en) * 1990-02-16 1995-08-09 Btg International Limited A device and method for verifying personal handwriting

Also Published As

Publication number Publication date
DE2340110C3 (en) 1981-04-09
BR7306381D0 (en) 1974-07-25
FR2197277A1 (en) 1974-03-22
NL7310683A (en) 1974-02-25
GB1400374A (en) 1975-07-16
JPS4987255A (en) 1974-08-21
IT1003118B (en) 1976-06-10
DE2340110A1 (en) 1974-03-07
BE803237A (en) 1973-12-03
DE2340110B2 (en) 1980-06-19
FR2197277B1 (en) 1976-09-10
CA1019837A (en) 1977-10-25
AU5894673A (en) 1975-02-06

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Legal Events

Date Code Title Description
PL Patent ceased