JP6169558B2 - コントラスト依存の解像度をもつ画像 - Google Patents

コントラスト依存の解像度をもつ画像 Download PDF

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JP6169558B2
JP6169558B2 JP2014501744A JP2014501744A JP6169558B2 JP 6169558 B2 JP6169558 B2 JP 6169558B2 JP 2014501744 A JP2014501744 A JP 2014501744A JP 2014501744 A JP2014501744 A JP 2014501744A JP 6169558 B2 JP6169558 B2 JP 6169558B2
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image
contrast
resolution
gradient
reconstructed
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JP2014514048A (ja
JP2014514048A5 (enExample
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ケヴィン ブラウン
ケヴィン ブラウン
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
JP2014501744A 2011-03-28 2012-03-16 コントラスト依存の解像度をもつ画像 Active JP6169558B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161468126P 2011-03-28 2011-03-28
US61/468,126 2011-03-28
PCT/IB2012/051266 WO2012131520A2 (en) 2011-03-28 2012-03-16 Contrast-dependent resolution image

Publications (3)

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JP2014514048A JP2014514048A (ja) 2014-06-19
JP2014514048A5 JP2014514048A5 (enExample) 2015-04-16
JP6169558B2 true JP6169558B2 (ja) 2017-07-26

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JP2014501744A Active JP6169558B2 (ja) 2011-03-28 2012-03-16 コントラスト依存の解像度をもつ画像

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US (1) US9336612B2 (enExample)
EP (1) EP2691932B1 (enExample)
JP (1) JP6169558B2 (enExample)
CN (1) CN103608839B (enExample)
BR (1) BR112013024733A2 (enExample)
RU (1) RU2585790C2 (enExample)
WO (1) WO2012131520A2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6312401B2 (ja) 2012-11-30 2018-04-18 キヤノン株式会社 画像処理装置、画像処理方法、及びプログラム
WO2014167450A1 (en) 2013-04-10 2014-10-16 Koninklijke Philips N.V. Reconstructed image data visualization
JP6423857B2 (ja) 2013-04-10 2018-11-14 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 画質インデックス及び／又はそれに基づく画像化パラメータ推奨
WO2014192831A1 (ja) * 2013-05-28 2014-12-04 株式会社東芝 医用画像診断装置及び制御方法
CN105492919A (zh) * 2013-07-30 2016-04-13 皇家飞利浦有限公司 组合式mri pet成像
CN103955610B (zh) * 2014-04-22 2017-04-26 青岛大学附属医院 一种医学影像计算机辅助分析方法
EP3134867B1 (en) 2014-04-23 2019-09-11 Koninklijke Philips N.V. Restoration of low contrast structure in de-noise image data
JP6275287B2 (ja) * 2014-09-15 2018-02-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 鮮明度駆動型正則化パラメータを用いる反復画像再構成
CN104660899A (zh) * 2014-09-29 2015-05-27 上海华勤通讯技术有限公司 照片的处理方法
US10078057B2 (en) * 2015-09-02 2018-09-18 Fei Company Data processing in a tomographic imaging apparatus
CN108292428B (zh) 2015-12-11 2023-03-31 上海联影医疗科技股份有限公司 图像重建的系统和方法
US10255696B2 (en) 2015-12-11 2019-04-09 Shanghai United Imaging Healthcare Co., Ltd. System and method for image reconstruction
US20170294033A1 (en) * 2016-04-06 2017-10-12 Varex Imaging Corporation Dose efficient x-ray detector and method
US11241207B2 (en) * 2017-08-17 2022-02-08 The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Hybrid CT system with additional detectors in close proximity to the body
US10719934B2 (en) * 2018-10-17 2020-07-21 Canon Medical Systems Corporation Devices, systems, and methods for medical imaging
CN109587462A (zh) * 2018-11-30 2019-04-05 中山大学 高对比度投影画面调整方法、装置、投影装置及投影系统

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463375A (en) 1982-09-07 1984-07-31 The Board Of Trustees Of The Leland Standford Junior University Multiple-measurement noise-reducing system
US5754697A (en) * 1994-12-02 1998-05-19 Fu; Chi-Yung Selective document image data compression technique
US6208765B1 (en) * 1998-06-19 2001-03-27 Sarnoff Corporation Method and apparatus for improving image resolution
US6724942B1 (en) * 1999-05-24 2004-04-20 Fuji Photo Film Co., Ltd. Image processing method and system
JP4053185B2 (ja) * 1999-06-22 2008-02-27 富士フイルム株式会社 画像処理方法および装置
KR100344807B1 (ko) * 2000-01-12 2002-07-20 엘지전자주식회사 영상 신호 보정 장치 및 방법
JP4556276B2 (ja) * 2000-03-23 2010-10-06 ソニー株式会社 画像処理回路及び画像処理方法
US6778692B1 (en) * 2000-08-11 2004-08-17 General Electric Company Image processing method and apparatus including image improving circuit
US7039236B2 (en) * 2000-12-14 2006-05-02 Matsushita Electric Works, Ltd. Image processor and pattern recognition apparatus using the image processor
US6816627B2 (en) * 2001-04-12 2004-11-09 Lockheed Martin Corporation System for morphological image fusion and change detection
DE10150428A1 (de) 2001-10-11 2003-04-30 Siemens Ag Verfahren zur Erzeugung dreidimensionaler, mehrfachaufgelöster Volumenbilder eines Untersuchungsobjekts
JP4130114B2 (ja) * 2002-10-09 2008-08-06 株式会社日立メディコ 超音波イメージング装置及び超音波信号処理方法
JP4413504B2 (ja) * 2003-02-13 2010-02-10 株式会社東芝 医用画像処理装置、医用画像処理方法および医用画像処理プログラム
US7492967B2 (en) 2003-09-24 2009-02-17 Kabushiki Kaisha Toshiba Super-resolution processor and medical diagnostic imaging apparatus
WO2005036197A1 (en) * 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. System and method for magnetic resonance imaging
CN100502786C (zh) * 2004-05-19 2009-06-24 株式会社日立医药 图像处理装置及其方法
JP4602703B2 (ja) * 2004-06-14 2010-12-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線撮影装置および画像生成装置
US7623691B2 (en) * 2004-08-06 2009-11-24 Kabushiki Kaisha Toshiba Method for helical windmill artifact reduction with noise restoration for helical multislice CT
US20070014468A1 (en) * 2005-07-12 2007-01-18 Gines David L System and method for confidence measures for mult-resolution auto-focused tomosynthesis
RU2008106929A (ru) * 2005-07-26 2009-09-10 Конинклейке Филипс Электроникс, Н.В. (Nl) Определение области сердца на основании анализа движения мелкомасштабной реконструкции
CN101305397B (zh) * 2005-10-12 2012-09-19 有源光学有限公司 基于多个图像帧形成图像的方法，图像处理系统和数字照相机
US7983462B2 (en) 2005-11-22 2011-07-19 Purdue Research Foundation Methods and systems for improving quality of an image
WO2007121023A1 (en) * 2006-04-13 2007-10-25 Koninklijke Philips Electronics N.V. Wave-propagation based estimation of coil sensitivities
JP2009540942A (ja) * 2006-06-22 2009-11-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ デュアルｘ線管ゲーティング
JP2009238009A (ja) * 2008-03-27 2009-10-15 Toshiba Corp 画像処理装置、及び方法
DE102008021639A1 (de) 2008-04-30 2009-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer CT-Rekonstruktion eines Objekts mit einem hochaufgelösten interessierenden Objektbereich
TWI457853B (zh) * 2009-03-24 2014-10-21 Ind Tech Res Inst 提供深度資訊之影像處理方法及其影像處理系統
CN101915901A (zh) * 2010-08-17 2010-12-15 中国科学院深圳先进技术研究院 磁共振成像方法及装置

Also Published As

Publication number Publication date
RU2013147816A (ru) 2015-05-10
EP2691932A2 (en) 2014-02-05
WO2012131520A3 (en) 2012-11-22
BR112013024733A2 (pt) 2016-12-27
US20140016849A1 (en) 2014-01-16
CN103608839A (zh) 2014-02-26
EP2691932B1 (en) 2019-07-24
US9336612B2 (en) 2016-05-10
WO2012131520A2 (en) 2012-10-04
JP2014514048A (ja) 2014-06-19
CN103608839B (zh) 2017-04-12
RU2585790C2 (ru) 2016-06-10

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