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WO2003049420A3 - Image restoration from transformed component data - Google Patents

Image restoration from transformed component data Download PDF

Info

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
French (fr)
Other versions
WO2003049420A2 (en
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/en
Publication of WO2003049420A3 publication Critical patent/WO2003049420A3/en

Links

Classifications

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

Landscapes

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

Abstract

An image in a base domain (e.g., spatial) is restored from only one component (e.g. magnitude) of a transform-domain (e.g., Fourier) image by combining this component with a complementary component (e.g., phase) of a transformed previous iteration. Every iteration is converted to the base domain, and predefined known marker and padding data is reapplied to the iteration during every iteration, for convergence purposes (120, 120`, 121). The restored image can be scaled and trimmed, and the marker position interpolated (151). The original image to be restored is modified to contain the known marker and known padding at known locations. These may be inserted in the base domain or in the transform domain.
PCT/US2002/038958 2001-12-05 2002-12-05 Image restoration from transformed component data WO2003049420A2 (en)

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 (en) 2003-06-12
WO2003049420A3 true WO2003049420A3 (en) 2003-10-02

Family

ID=28456645

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/038958 WO2003049420A2 (en) 2001-12-05 2002-12-05 Image restoration from transformed component data

Country Status (2)

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

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
AU2002346675A1 (en) 2003-06-17
AU2002346675A8 (en) 2003-06-17
WO2003049420A2 (en) 2003-06-12

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