WO2009034688A1 - 画像処理方法およびプログラム - Google Patents

画像処理方法およびプログラム Download PDF

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Publication number
WO2009034688A1
WO2009034688A1 PCT/JP2008/002297 JP2008002297W WO2009034688A1 WO 2009034688 A1 WO2009034688 A1 WO 2009034688A1 JP 2008002297 W JP2008002297 W JP 2008002297W WO 2009034688 A1 WO2009034688 A1 WO 2009034688A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
value
vector
objective function
processing method
Prior art date
Application number
PCT/JP2008/002297
Other languages
English (en)
French (fr)
Inventor
Tsukasa Murata
Original Assignee
Nikon Corporation
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 JP2007234556A external-priority patent/JP5076757B2/ja
Priority claimed from JP2007234557A external-priority patent/JP5076758B2/ja
Application filed by Nikon Corporation filed Critical Nikon Corporation
Priority to US12/452,286 priority Critical patent/US8326071B2/en
Publication of WO2009034688A1 publication Critical patent/WO2009034688A1/ja
Priority to US13/614,964 priority patent/US20130004095A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening

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

Abstract

　本発明は、ボケ画像から鮮明な画像を求める画像処理方法であって、ボケ画像の画素値を格納する画像データの配列を２次元から１次元ベクトルに変換する工程と、１次元ベクトルに作用する２次元行列演算の全てをボケ画像の画像データに対する画像のフィルタリングに変換し、鮮明な画像を推定する目的関数の計算に必要となる統計パラメータの値とともに目的関数の勾配ベクトルを算出する工程と、算出した勾配ベクトルを用いて、目的関数の値が最大または最小となるように鮮明な画像の画像データを勾配ベクトルのみを使用して計算される数値最適化法によって求める工程とを備えることを特徴とする。
PCT/JP2008/002297 2007-09-10 2008-08-25 画像処理方法およびプログラム WO2009034688A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/452,286 US8326071B2 (en) 2007-09-10 2008-08-25 Image processing method to restore an image
US13/614,964 US20130004095A1 (en) 2007-09-10 2012-09-13 Image Processing Method and Program

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007234556A JP5076757B2 (ja) 2007-09-10 2007-09-10 画像処理方法およびプログラム
JP2007-234556 2007-09-10
JP2007234557A JP5076758B2 (ja) 2007-09-10 2007-09-10 画像処理方法およびプログラム
JP2007-234557 2007-09-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/614,964 Division US20130004095A1 (en) 2007-09-10 2012-09-13 Image Processing Method and Program

Publications (1)

Publication Number Publication Date
WO2009034688A1 true WO2009034688A1 (ja) 2009-03-19

Family

ID=40451709

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002297 WO2009034688A1 (ja) 2007-09-10 2008-08-25 画像処理方法およびプログラム

Country Status (2)

Country Link
US (2) US8326071B2 (ja)
WO (1) WO2009034688A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034979B4 (de) * 2008-07-25 2011-07-07 EADS Deutschland GmbH, 85521 Verfahren und Einrichtung zur Erzeugung von fehlerreduzierten hochauflösenden und kontrastverbesserten Bildern
RU2608239C1 (ru) * 2016-04-12 2017-01-17 Общество с ограниченной ответственностью "Аби Девелопмент" Способ и система определения пригодности изображения документа для оптического распознавания символов и других операций по обработке изображений
US11699207B2 (en) * 2018-08-20 2023-07-11 Waymo Llc Camera assessment techniques for autonomous vehicles
GB2578769B (en) 2018-11-07 2022-07-20 Advanced Risc Mach Ltd Data processing systems
GB2583061B (en) * 2019-02-12 2023-03-15 Advanced Risc Mach Ltd Data processing systems
US10785456B1 (en) 2019-09-25 2020-09-22 Haier Us Appliance Solutions, Inc. Methods for viewing and tracking stored items

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JPH0755905A (ja) * 1993-08-10 1995-03-03 Hitachi Ltd スペクトル分解方法
JP2007143851A (ja) * 2005-11-28 2007-06-14 Konica Minolta Medical & Graphic Inc Ｘ線画像システム

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JP3999432B2 (ja) * 2000-02-08 2007-10-31 富士フイルム株式会社 画像処理方法および装置並びに記録媒体
WO2003052465A2 (en) * 2001-12-18 2003-06-26 University Of Rochester Multifocal aspheric lens obtaining extended field depth
US20060291750A1 (en) * 2004-12-16 2006-12-28 Peyman Milanfar Dynamic reconstruction of high resolution video from low-resolution color-filtered video (video-to-video super-resolution)
US20060291751A1 (en) * 2004-12-16 2006-12-28 Peyman Milanfar Robust reconstruction of high resolution grayscale images from a sequence of low-resolution frames (robust gray super-resolution)
US7639891B2 (en) * 2005-12-23 2009-12-29 Xerox Corporation Corner sharpening using look-up table edge pixel identification
JP2007207009A (ja) * 2006-02-02 2007-08-16 Fujitsu Ltd 画像処理方法及び画像処理装置
US8064712B2 (en) * 2007-01-24 2011-11-22 Utc Fire & Security Americas Corporation, Inc. System and method for reconstructing restored facial images from video

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755905A (ja) * 1993-08-10 1995-03-03 Hitachi Ltd スペクトル分解方法
JP2007143851A (ja) * 2005-11-28 2007-06-14 Konica Minolta Medical & Graphic Inc Ｘ線画像システム

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
GIANNIS K. CHANTAS,ET AL.: "Bayesian Restoration Using a New Nonstationary Edgepreserving Image Prior", IEEE TRANSACTIONS ON IMAGE PROCESSING, vol. 15, no. 10, October 2006 (2006-10-01), pages 2987 - 2997 *
KAZUHIRO FUJITA ET AL.: "Gazo Kakuritsu Model ni Motozuku Hiichiyo Rekka Gazo no Parameter Suitei to Fukugen", THE JOURNAL OF THE INSTITUTE IF IMAGE INFORMATION AND TELEVISION ENGINEERS, vol. 55, no. 6, 20 June 2001 (2001-06-20), pages 878 - 885 *
KOJI FUJIMOTO ET AL.: "Gazo Kakuritsu model ni Motozuku Fukusu no Rekka Gazo kara no Fukugen", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS,INFORMATION AND COMMUNICATION ENGINEERS, vol. J82-D-2, no. 5, 25 May 1999 (1999-05-25), pages 863 - 871 *
NOBORU YABUKI ET AL.: "Identeki Algorithm ni yoru Shoten Hazure Gazo no Bayesian Restoration Methods", IEICE TECHNICAL REPORT, vol. 97, no. 40, 15 May 1997 (1997-05-15), pages 143 - 150 *
RUIMIN PAN ET AL.: "Efficient Huber-Markov Edge-Preserving Image Restoration", IEEE TRANSACTIONS ON IMAGE PROCESSING, vol. 15, no. 12, December 2006 (2006-12-01), pages 3728 - 3735 *

Also Published As

Publication number Publication date
US20130004095A1 (en) 2013-01-03
US20100104208A1 (en) 2010-04-29
US8326071B2 (en) 2012-12-04

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