WO2009112309A3 - Procédé et système destinés à la correction des aberrations d’objectif - Google Patents

Procédé et système destinés à la correction des aberrations d’objectif Download PDF

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Publication number
WO2009112309A3
WO2009112309A3 PCT/EP2009/051075 EP2009051075W WO2009112309A3 WO 2009112309 A3 WO2009112309 A3 WO 2009112309A3 EP 2009051075 W EP2009051075 W EP 2009051075W WO 2009112309 A3 WO2009112309 A3 WO 2009112309A3
Authority
WO
WIPO (PCT)
Prior art keywords
image
pincushion
same time
chromatic aberration
mapping function
Prior art date
Application number
PCT/EP2009/051075
Other languages
English (en)
Other versions
WO2009112309A2 (fr
Inventor
Frank Hassenpflug
Wolfgang Endress
Andreas Hille
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of WO2009112309A2 publication Critical patent/WO2009112309A2/fr
Publication of WO2009112309A3 publication Critical patent/WO2009112309A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • 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
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
    • 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
    • G06T2207/30236—Traffic on road, railway or crossing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)

Abstract

La présente invention concerne un procédé (800) et un système permettant de traiter des données d’image. Le procédé (800) selon l’invention implique d’utiliser les caractéristiques de l’objectif et les saisies utilisateur pour chaque couleur d’une pluralité de couleurs séparées afin de générer une mappe inversée d’emplacements de pixels dans une image de sortie à partir des emplacements de pixels dans une image d’entrée (810). Les données d’image sont réparties dans la pluralité de plans de couleur, puis la mappe inverse est utilisée pour copier la valeur du pixel à chaque emplacement dans l’image d’entrée et la positionner à l’emplacement correspondant dans l’image de sortie (800). Les plans d’image sont recombinés, ce qui donne une image débarrassée des aberrations chromatiques latérales ainsi que des distorsions en coussinet/en barillet. En outre, les valeurs entrées par l’utilisateur permettent de panoramiquer et de zoomer (812) dans l’image. Le calcul de correction se fait en une seule étape, ce qui évite les erreurs provoquées par de multiples calculs de correction.
PCT/EP2009/051075 2008-03-12 2009-01-30 Procédé et système destinés à la correction des aberrations d’objectif WO2009112309A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08102545 2008-03-12
EP08102545.4 2008-03-12

Publications (2)

Publication Number Publication Date
WO2009112309A2 WO2009112309A2 (fr) 2009-09-17
WO2009112309A3 true WO2009112309A3 (fr) 2009-12-10

Family

ID=41065594

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/051075 WO2009112309A2 (fr) 2008-03-12 2009-01-30 Procédé et système destinés à la correction des aberrations d’objectif

Country Status (1)

Country Link
WO (1) WO2009112309A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086037A1 (fr) * 2009-01-30 2010-08-05 Thomson Licensing Procédé et système de détection d'aberration de lentille

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040218071A1 (en) * 2001-07-12 2004-11-04 Benoit Chauville Method and system for correcting the chromatic aberrations of a color image produced by means of an optical system
EP1650705A1 (fr) * 2003-07-28 2006-04-26 Olympus Corporation Appareil pour traiter des images, procede associe et procede pour corriger la distorsion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040218071A1 (en) * 2001-07-12 2004-11-04 Benoit Chauville Method and system for correcting the chromatic aberrations of a color image produced by means of an optical system
EP1650705A1 (fr) * 2003-07-28 2006-04-26 Olympus Corporation Appareil pour traiter des images, procede associe et procede pour corriger la distorsion

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ASARI V K ET AL: "A Pipelined Architecture for Real-Time Correction of Barrel Distortion in Wide-Angle Camera Images", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 15, no. 3, 1 March 2005 (2005-03-01), pages 436 - 444, XP011127220, ISSN: 1051-8215 *
NG Y M ET AL: "Correcting the chromatic aberration in barrel distortion of endoscopic images", SCI 2003. 7TH WORLD MULTICONFERENCE ON SYSTEMICS, CYBERNETICS AND INFORMATICS PROCEEDINGS IIIS ORLANDO, FL, USA, vol. 10, 2003, pages 55 - 60 Vol.10, XP002550033, ISBN: 980-6560-01-9 *
REBIAI M ET AL: "Image distortion from zoom lenses: modeling and digital correction", IBC 1992. INTERNATIONAL BROADCASTING CONVENTION. (CONF. PUBL. NO.358) IEE LONDON, UK, 1992, pages 438 - 441, XP006515214, ISBN: 0-85296-547-8 *
YAMASHITA T ET AL: "A lateral chromatic aberration correction system for ultrahigh-definition color video camera", PROCEEDINGS OF SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING - SENSORS, CAMERAS, AND SYSTEMS FOR SCIENTIFIC/INDUSTRIAL APPLICATIONS VII - PROCEEDINGS OF SPIE-IS AND T ELECTRONIC IMAGING 2006 SPIE US, vol. 6068, 2006, XP002550035 *

Also Published As

Publication number Publication date
WO2009112309A2 (fr) 2009-09-17

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