FR3018022B1 - Procede et dispositif d'estimation de parametres d'egalisation d'image numerique - Google Patents

Procede et dispositif d'estimation de parametres d'egalisation d'image numerique

Info

Publication number
FR3018022B1
FR3018022B1 FR1451539A FR1451539A FR3018022B1 FR 3018022 B1 FR3018022 B1 FR 3018022B1 FR 1451539 A FR1451539 A FR 1451539A FR 1451539 A FR1451539 A FR 1451539A FR 3018022 B1 FR3018022 B1 FR 3018022B1
Authority
FR
France
Prior art keywords
digital image
equalization parameters
image equalization
estimating digital
estimating
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
FR1451539A
Other languages
English (en)
Other versions
FR3018022A1 (fr
Inventor
Philippe Kubik
Gwendoline Blanchet
Vincent Martin
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 FR1451539A priority Critical patent/FR3018022B1/fr
Publication of FR3018022A1 publication Critical patent/FR3018022A1/fr
Priority to FR1558074A priority patent/FR3025683B1/fr
Application granted granted Critical
Publication of FR3018022B1 publication Critical patent/FR3018022B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/48—Increasing resolution by shifting the sensor relative to the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/673—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources
    • H04N25/674—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction by using reference sources based on the scene itself, e.g. defocusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/677—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction for reducing the column or line fixed pattern noise
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10032—Satellite or aerial image; Remote sensing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30181—Earth observation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
FR1451539A 2014-02-26 2014-02-26 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique Active FR3018022B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1451539A FR3018022B1 (fr) 2014-02-26 2014-02-26 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique
FR1558074A FR3025683B1 (fr) 2014-02-26 2015-08-31 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1451539A FR3018022B1 (fr) 2014-02-26 2014-02-26 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique

Publications (2)

Publication Number Publication Date
FR3018022A1 FR3018022A1 (fr) 2015-08-28
FR3018022B1 true FR3018022B1 (fr) 2017-07-14

Family

ID=52358831

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1451539A Active FR3018022B1 (fr) 2014-02-26 2014-02-26 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique
FR1558074A Active FR3025683B1 (fr) 2014-02-26 2015-08-31 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1558074A Active FR3025683B1 (fr) 2014-02-26 2015-08-31 Procede et dispositif d'estimation de parametres d'egalisation d'image numerique

Country Status (1)

Country Link
FR (2) FR3018022B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3059453B1 (fr) * 2016-11-29 2018-11-16 Centre National D'etudes Spatiales Procede et dispositif de deconvolution d'images numeriques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6670596B2 (en) * 2001-08-06 2003-12-30 Raytheon Company Radiometry calibration system and method for electro-optical sensors

Also Published As

Publication number Publication date
FR3025683A1 (fr) 2016-03-11
FR3025683B1 (fr) 2018-04-06
FR3018022A1 (fr) 2015-08-28

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