FR2424732A1 - Procede et appareil de convolution electro-optique d'un signal unidimensionnel - Google Patents

Procede et appareil de convolution electro-optique d'un signal unidimensionnel

Info

Publication number
FR2424732A1
FR2424732A1 FR7911501A FR7911501A FR2424732A1 FR 2424732 A1 FR2424732 A1 FR 2424732A1 FR 7911501 A FR7911501 A FR 7911501A FR 7911501 A FR7911501 A FR 7911501A FR 2424732 A1 FR2424732 A1 FR 2424732A1
Authority
FR
France
Prior art keywords
electro
dimensional signal
optical convolution
optical
dilated
Prior art date
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
FR7911501A
Other languages
English (en)
Other versions
FR2424732B3 (fr
Inventor
Jacob Sybrand Baumann
Ronald Jan Geluk
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Publication of FR2424732A1 publication Critical patent/FR2424732A1/fr
Application granted granted Critical
Publication of FR2424732B3 publication Critical patent/FR2424732B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE ET UN APPAREIL DE CONVOLUTION ELECTRO-OPTIQUE D'UN SIGNAL REPRESENTANT UN PROFIL REPRODUIT SOUS FORME D'UNE LIGNE DONT LA LUMINOSITE VARIE. L'IMAGE UNIDIMENSIONNELLE DU SIGNAL EST DILATEE PERPENDICULAIREMENT A SA DIRECTION LONGITUDINALE AU MOYEN D'UN DISPOSITIF OPTIQUE ET L'IMAGE DILATEE SE DEPLACE DEVANT DES MASQUES QUI CONTIENNENT LES FONCTIONS DE FILTRAGE. UN PHOTODETECTEUR EST MONTE DERRIERE CHAQUE MASQUE POUR DETECTER LA LUMIERE TRANSMISE. L'INVENTION S'APPLIQUE NOTAMMENT A LA TOMOGRAPHIE AUX RAYONSX.
FR7911501A 1978-05-05 1979-05-07 Procede et appareil de convolution electro-optique d'un signal unidimensionnel Granted FR2424732A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7804881A NL7804881A (nl) 1978-05-05 1978-05-05 Werkwijze en inrichting voor het elektro-optisch convo- lueren van een eendimensionaal signaal.

Publications (2)

Publication Number Publication Date
FR2424732A1 true FR2424732A1 (fr) 1979-11-30
FR2424732B3 FR2424732B3 (fr) 1982-03-26

Family

ID=19830788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911501A Granted FR2424732A1 (fr) 1978-05-05 1979-05-07 Procede et appareil de convolution electro-optique d'un signal unidimensionnel

Country Status (8)

Country Link
US (1) US4290112A (fr)
JP (1) JPS54146989A (fr)
CA (1) CA1118116A (fr)
DE (1) DE2917760A1 (fr)
FR (1) FR2424732A1 (fr)
GB (1) GB2020801B (fr)
IL (1) IL57293A (fr)
NL (1) NL7804881A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047780A1 (fr) * 1980-03-21 1982-03-24 University Patents, Inc. Tomographie transversale avec filtrage optique
US4331877A (en) * 1980-03-21 1982-05-25 University Patents, Inc. Transverse tomography with optical filtering
US6343307B1 (en) * 1999-03-26 2002-01-29 Civcom Inc. Synthesis of light beams

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088113A (en) * 1958-06-27 1963-04-30 Fairchild Camera Instr Co Correlation system for radar and the like
US3441724A (en) * 1964-12-08 1969-04-29 Philco Ford Corp Optical correlator
NL7414060A (nl) * 1974-10-28 1976-05-03 Optische Ind De Oude Delft Nv Elektro-optische correlator.
US4012120A (en) * 1975-05-14 1977-03-15 Trw Inc. Guided wave acousto-optic device
GB1558405A (en) * 1975-06-16 1980-01-03 University Patents Inc Tomography
NL7600155A (nl) * 1976-01-08 1977-07-12 Optische Ind De Oude Delft Nv Werkwijze en inrichting voor het aftasten van een beeld middels een synthetische apertuur.
NL7605254A (nl) * 1976-05-17 1977-11-21 Optische Ind De Oude Delft Nv Beeldconstructie.
NL7609963A (nl) * 1976-09-08 1978-03-10 Optische Ind De Oude Delft Nv Signaalverwerkend stelsel.
US4107701A (en) * 1976-09-16 1978-08-15 Itek Corporation Acousto-optic snapshot recorder
US4071907A (en) * 1976-10-12 1978-01-31 The United States Of America As Represented By The Secretary Of The Navy Radar signal processor utilizing a multi-channel optical correlator

Also Published As

Publication number Publication date
CA1118116A (fr) 1982-02-09
NL7804881A (nl) 1979-11-07
FR2424732B3 (fr) 1982-03-26
US4290112A (en) 1981-09-15
JPS54146989A (en) 1979-11-16
IL57293A (en) 1982-02-28
DE2917760A1 (de) 1979-11-15
GB2020801A (en) 1979-11-21
GB2020801B (en) 1982-10-06

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