WO2003049420A3 - Restauration d'image a partir de donnees de composants transformes - Google Patents

Restauration d'image a partir de donnees de composants transformes Download PDF

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Publication number
WO2003049420A3
WO2003049420A3 PCT/US2002/038958 US0238958W WO03049420A3 WO 2003049420 A3 WO2003049420 A3 WO 2003049420A3 US 0238958 W US0238958 W US 0238958W WO 03049420 A3 WO03049420 A3 WO 03049420A3
Authority
WO
WIPO (PCT)
Prior art keywords
image
domain
iteration
restored
component
Prior art date
Application number
PCT/US2002/038958
Other languages
English (en)
Other versions
WO2003049420A2 (fr
Inventor
Hal H Ottesen
Original Assignee
Univ Minnesota
Hal H Ottesen
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
Priority claimed from US10/124,547 external-priority patent/US6873744B2/en
Application filed by Univ Minnesota, Hal H Ottesen filed Critical Univ Minnesota
Priority to AU2002346675A priority Critical patent/AU2002346675A1/en
Publication of WO2003049420A2 publication Critical patent/WO2003049420A2/fr
Publication of WO2003049420A3 publication Critical patent/WO2003049420A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Abstract

L'invention concerne un procédé et un système de restauration d'image, dans lesquels une image dans un domaine source (spatial, par exemple) est restaurée à partir d'un seul composant (d'amplitude, par exemple) d'une image à domaine de transformée (de Fourier, par exemple), selon une technique consistant à combiner ce composant avec un composant complémentaire (de phase, par exemple) d'une itération précédente transformée. Cette technique consiste ensuite à transformer chaque itération en domaine source et à appliquer à nouveau des données de marque et de remplissage prédéfinis et déterminés à l'itération, durant chaque itération, à des fins de convergence. L'image restaurée peut être réduite et ajustée et la position de la marque interpolée. L'image de départ à restaurer est modifiée de façon à ce qu'elle contienne la marque déterminée et le remplissage déterminé, à des emplacements déterminés. Ces derniers peuvent être introduits dans le domaine source ou dans le domaine de transformée.
PCT/US2002/038958 2001-12-05 2002-12-05 Restauration d'image a partir de donnees de composants transformes WO2003049420A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002346675A AU2002346675A1 (en) 2001-12-05 2002-12-05 Image restoration from transformed component data

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33670901P 2001-12-05 2001-12-05
US60/336,709 2001-12-05
US10/124,547 US6873744B2 (en) 2002-04-17 2002-04-17 Image restoration from transformed component data
US10/124,547 2002-04-17

Publications (2)

Publication Number Publication Date
WO2003049420A2 WO2003049420A2 (fr) 2003-06-12
WO2003049420A3 true WO2003049420A3 (fr) 2003-10-02

Family

ID=28456645

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/038958 WO2003049420A2 (fr) 2001-12-05 2002-12-05 Restauration d'image a partir de donnees de composants transformes

Country Status (2)

Country Link
AU (1) AU2002346675A1 (fr)
WO (1) WO2003049420A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825892A (en) * 1996-10-28 1998-10-20 International Business Machines Corporation Protecting images with an image watermark
US6178271B1 (en) * 1996-04-29 2001-01-23 The Mclean Hospital Corporation Methods and systems for registering image data
US6195465B1 (en) * 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6427028B1 (en) * 1996-08-14 2002-07-30 France Telecome Method for the transformation of images signals on arbitrarily- shaped segments

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6195465B1 (en) * 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6178271B1 (en) * 1996-04-29 2001-01-23 The Mclean Hospital Corporation Methods and systems for registering image data
US6427028B1 (en) * 1996-08-14 2002-07-30 France Telecome Method for the transformation of images signals on arbitrarily- shaped segments
US5825892A (en) * 1996-10-28 1998-10-20 International Business Machines Corporation Protecting images with an image watermark

Also Published As

Publication number Publication date
AU2002346675A8 (en) 2003-06-17
AU2002346675A1 (en) 2003-06-17
WO2003049420A2 (fr) 2003-06-12

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