FR2994488B1 - METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT - Google Patents

METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT

Info

Publication number
FR2994488B1
FR2994488B1 FR1257679A FR1257679A FR2994488B1 FR 2994488 B1 FR2994488 B1 FR 2994488B1 FR 1257679 A FR1257679 A FR 1257679A FR 1257679 A FR1257679 A FR 1257679A FR 2994488 B1 FR2994488 B1 FR 2994488B1
Authority
FR
France
Prior art keywords
estimating
optical instrument
focusing state
focusing
state
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
FR1257679A
Other languages
French (fr)
Other versions
FR2994488A1 (en
Inventor
Sebastien Fourest
Laurent Boisnard
Christophe Valorge
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.)
Centre National dEtudes Spatiales CNES
Original Assignee
Centre National dEtudes Spatiales CNES
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 Centre National dEtudes Spatiales CNES filed Critical Centre National dEtudes Spatiales CNES
Priority to FR1257679A priority Critical patent/FR2994488B1/en
Publication of FR2994488A1 publication Critical patent/FR2994488A1/en
Application granted granted Critical
Publication of FR2994488B1 publication Critical patent/FR2994488B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1066—Beam splitting or combining systems for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
FR1257679A 2012-08-07 2012-08-07 METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT Active FR2994488B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1257679A FR2994488B1 (en) 2012-08-07 2012-08-07 METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1257679A FR2994488B1 (en) 2012-08-07 2012-08-07 METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT

Publications (2)

Publication Number Publication Date
FR2994488A1 FR2994488A1 (en) 2014-02-14
FR2994488B1 true FR2994488B1 (en) 2014-08-22

Family

ID=47427362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1257679A Active FR2994488B1 (en) 2012-08-07 2012-08-07 METHOD FOR ESTIMATING THE FOCUSING STATE OF AN OPTICAL INSTRUMENT

Country Status (1)

Country Link
FR (1) FR2994488B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3055727B1 (en) * 2016-09-06 2019-10-11 Centre National D'etudes Spatiales METHOD AND DEVICE FOR CHARACTERIZING ABERRATIONS OF AN OPTICAL SYSTEM

Also Published As

Publication number Publication date
FR2994488A1 (en) 2014-02-14

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