FR1582695A - - Google Patents

Info

Publication number
FR1582695A
FR1582695A FR1582695DA FR1582695A FR 1582695 A FR1582695 A FR 1582695A FR 1582695D A FR1582695D A FR 1582695DA FR 1582695 A FR1582695 A FR 1582695A
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.)
Expired
Application number
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 filed Critical
Application granted granted Critical
Publication of FR1582695A publication Critical patent/FR1582695A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
FR1582695D 1967-09-12 1968-09-12 Expired FR1582695A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4164167 1967-09-12
GB1444368 1968-03-26

Publications (1)

Publication Number Publication Date
FR1582695A true FR1582695A (fr) 1969-10-03

Family

ID=26250571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1582695D Expired FR1582695A (fr) 1967-09-12 1968-09-12

Country Status (4)

Country Link
US (1) US3599147A (fr)
JP (1) JPS5110056B1 (fr)
DE (1) DE1774807A1 (fr)
FR (1) FR1582695A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2053562A5 (fr) * 1969-07-09 1971-04-16 Thomson Csf
US3814943A (en) * 1969-08-26 1974-06-04 Sira Institute Method of and apparatus for analysing patterns and inspecting objects
US3675948A (en) * 1969-09-10 1972-07-11 American Bank Note Co Printing method and article for hiding halftone images
US4025898A (en) * 1975-04-28 1977-05-24 Lew Shaw Recording representations of disrupted space patterns
US4206365A (en) * 1976-01-17 1980-06-03 Ernst Leitz Wetzlar Gmbh Optical correlator
US4127778A (en) * 1976-01-17 1978-11-28 Ernst Leitz Wetzlar Gmbh Optical correlator
US5036546A (en) * 1986-10-06 1991-07-30 Grumman Aerospace Corporation Pseudo-noise product coded aperture arrays and method for designing same
US6175638B1 (en) * 1996-11-29 2001-01-16 Vladislav Yanovsky Shadow image acquisition device
US6185311B1 (en) * 1997-08-18 2001-02-06 Vladislav Yanovsky Key imaging system
US6285802B1 (en) 1999-04-08 2001-09-04 Litton Systems, Inc. Rotational correction and duplicate image identification by fourier transform correlation
MX2008009440A (es) 2006-01-23 2008-11-19 Hy Ko Products Co Máquina duplicadora de llaves.
US9101990B2 (en) 2006-01-23 2015-08-11 Hy-Ko Products Key duplication machine
US7796798B2 (en) * 2006-05-17 2010-09-14 International Business Machines Corporation Frequency domain based MICR reader
US8558998B2 (en) 2008-06-16 2013-10-15 The Regents Of The University Of Colorado, A Body Corporate Fourier domain sensing
EP2424690A4 (fr) 2009-05-01 2013-11-27 Hy Ko Products Système d'identification de clef brute avec analyse d'encoche
EP2424698A4 (fr) 2009-05-01 2013-11-27 Hy Ko Products Système d'identification de clef brute avec balayage de rainure
DE102012108170B4 (de) * 2012-09-03 2015-01-22 Bundesdruckerei Gmbh Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements
WO2017024043A1 (fr) 2015-08-03 2017-02-09 Hy-Ko Products Company Système de balayage de clé haute sécurité

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064519A (en) * 1960-05-16 1962-11-20 Ibm Specimen identification apparatus and method
US3305834A (en) * 1963-12-31 1967-02-21 Ibm Optical system utilizing fraunhofer diffraction patterns for specimen identification purposes
US3435244A (en) * 1966-05-05 1969-03-25 Bell Telephone Labor Inc Pattern recognition apparatus utilizing complex spatial filtering

Also Published As

Publication number Publication date
US3599147A (en) 1971-08-10
JPS5110056B1 (fr) 1976-04-01
DE1774807A1 (de) 1971-11-04

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Legal Events

Date Code Title Description
ST Notification of lapse