GB2521111B - A correlator - Google Patents

A correlator

Info

Publication number
GB2521111B
GB2521111B GB1317206.9A GB201317206A GB2521111B GB 2521111 B GB2521111 B GB 2521111B GB 201317206 A GB201317206 A GB 201317206A GB 2521111 B GB2521111 B GB 2521111B
Authority
GB
United Kingdom
Prior art keywords
correlator
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.)
Active
Application number
GB1317206.9A
Other versions
GB201317206D0 (en
GB2521111A (en
Inventor
Christmas Jamieson
Masiyano Dackson
Collings Neil
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.)
Two Trees Photonics Ltd
Original Assignee
Two Trees Photonics Ltd
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 Two Trees Photonics Ltd filed Critical Two Trees Photonics Ltd
Priority to GB1317206.9A priority Critical patent/GB2521111B/en
Publication of GB201317206D0 publication Critical patent/GB201317206D0/en
Publication of GB2521111A publication Critical patent/GB2521111A/en
Application granted granted Critical
Publication of GB2521111B publication Critical patent/GB2521111B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • 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
    • G06E3/003—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/32—Determination of transform parameters for the alignment of images, i.e. image registration using correlation-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/37—Determination of transform parameters for the alignment of images, i.e. image registration using transform domain methods

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB1317206.9A 2013-09-27 2013-09-27 A correlator Active GB2521111B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1317206.9A GB2521111B (en) 2013-09-27 2013-09-27 A correlator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1317206.9A GB2521111B (en) 2013-09-27 2013-09-27 A correlator

Publications (3)

Publication Number Publication Date
GB201317206D0 GB201317206D0 (en) 2013-11-13
GB2521111A GB2521111A (en) 2015-06-17
GB2521111B true GB2521111B (en) 2017-08-02

Family

ID=49584998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1317206.9A Active GB2521111B (en) 2013-09-27 2013-09-27 A correlator

Country Status (1)

Country Link
GB (1) GB2521111B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2560584B (en) 2017-03-17 2021-05-19 Optalysys Ltd Optical processing systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010108410A (en) * 2008-10-31 2010-05-13 Hamamatsu Photonics Kk Optical correlator
GB2507468A (en) * 2012-09-03 2014-05-07 Two Trees Photonics Ltd Operating a spatial light modulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010108410A (en) * 2008-10-31 2010-05-13 Hamamatsu Photonics Kk Optical correlator
GB2507468A (en) * 2012-09-03 2014-05-07 Two Trees Photonics Ltd Operating a spatial light modulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZENG et al, "Parallel lensless optical correlator based on two phase-only spatial light modulators", Optics Express, 2011, Vol. 19, Nr. 13, pages 12594-12604, ISSN 1094-4087. *

Also Published As

Publication number Publication date
GB201317206D0 (en) 2013-11-13
GB2521111A (en) 2015-06-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20170817 AND 20170823