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FR2846830B1 - Procede de filtrage spatio-temporel du bruit fluoroscopique - Google Patents

Procede de filtrage spatio-temporel du bruit fluoroscopique

Info

Publication number
FR2846830B1
FR2846830B1 FR0213727A FR0213727A FR2846830B1 FR 2846830 B1 FR2846830 B1 FR 2846830B1 FR 0213727 A FR0213727 A FR 0213727A FR 0213727 A FR0213727 A FR 0213727A FR 2846830 B1 FR2846830 B1 FR 2846830B1
Authority
FR
France
Prior art keywords
image
pixel
coordinates
spatio
filtration method
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0213727A
Other languages
English (en)
Other versions
FR2846830A1 (fr
Inventor
Cyril Allouche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to FR0213727A priority Critical patent/FR2846830B1/fr
Priority to US10/677,966 priority patent/US7379615B2/en
Priority to DE10350697A priority patent/DE10350697A1/de
Publication of FR2846830A1 publication Critical patent/FR2846830A1/fr
Application granted granted Critical
Publication of FR2846830B1 publication Critical patent/FR2846830B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G06T2207/10121—Fluoroscopy
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR0213727A 2002-10-31 2002-10-31 Procede de filtrage spatio-temporel du bruit fluoroscopique Expired - Fee Related FR2846830B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0213727A FR2846830B1 (fr) 2002-10-31 2002-10-31 Procede de filtrage spatio-temporel du bruit fluoroscopique
US10/677,966 US7379615B2 (en) 2002-10-31 2003-10-02 Method for space-time filtering of noise in radiography
DE10350697A DE10350697A1 (de) 2002-10-31 2003-10-30 Verfahren zur Orts-Zeit-Filterung von Rauschen bei einer Radiographie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0213727A FR2846830B1 (fr) 2002-10-31 2002-10-31 Procede de filtrage spatio-temporel du bruit fluoroscopique

Publications (2)

Publication Number Publication Date
FR2846830A1 FR2846830A1 (fr) 2004-05-07
FR2846830B1 true FR2846830B1 (fr) 2005-01-21

Family

ID=32104390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0213727A Expired - Fee Related FR2846830B1 (fr) 2002-10-31 2002-10-31 Procede de filtrage spatio-temporel du bruit fluoroscopique

Country Status (3)

Country Link
US (1) US7379615B2 (fr)
DE (1) DE10350697A1 (fr)
FR (1) FR2846830B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050107982A1 (en) * 2003-11-17 2005-05-19 Zhaohui Sun Method and system for noise estimation from video sequence
JP2005210384A (ja) * 2004-01-22 2005-08-04 Konica Minolta Medical & Graphic Inc 画像処理方法および画像処理装置ならびに画像処理プログラム
JP2007021021A (ja) * 2005-07-20 2007-02-01 Ge Medical Systems Global Technology Co Llc 画像処理装置およびｘ線ｃｔ装置
US7720306B2 (en) * 2005-08-29 2010-05-18 Photomed Technologies, Inc. Systems and methods for displaying changes in biological responses to therapy
US7590303B2 (en) * 2005-09-29 2009-09-15 Samsung Electronics Co., Ltd. Image enhancement method using local illumination correction
JP4977395B2 (ja) * 2006-04-14 2012-07-18 富士フイルム株式会社 画像処理装置及び方法
TW200808034A (en) * 2006-07-17 2008-02-01 Primax Electronics Ltd A method of obtaining high SNR image
JP5864958B2 (ja) * 2011-08-31 2016-02-17 キヤノン株式会社 画像処理装置、画像処理方法、プログラムおよびコンピュータ記録媒体
US8818125B2 (en) * 2011-10-07 2014-08-26 Texas Instruments Incorporated Scene adaptive filter design for improved stereo matching
JP5934128B2 (ja) * 2013-02-28 2016-06-15 キヤノン株式会社 放射線撮像装置及び放射線撮像システム
JP5986524B2 (ja) 2013-02-28 2016-09-06 キヤノン株式会社 放射線撮像装置および放射線撮像システム
JP6016673B2 (ja) 2013-02-28 2016-10-26 キヤノン株式会社 放射線撮像装置および放射線撮像システム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004090A1 (fr) * 1984-03-15 1985-09-26 Yokogawa Medical Systems, Ltd. Processeur d'images ct a rayons x
DE69225825T2 (de) * 1991-03-20 1999-02-25 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Röntgenstrahl-Computertomograph
US5440647A (en) * 1993-04-22 1995-08-08 Duke University X-ray procedure for removing scattered radiation and enhancing signal-to-noise ratio (SNR)
EP0677780B1 (fr) * 1994-03-31 2003-05-28 Fuji Photo Film Co., Ltd. Procédé de traitement d'image par superposition
JPH10501080A (ja) * 1994-05-20 1998-01-27 イメージング リソース テクノロジーズインコーポレイテッド データマトリックスの処理を高速化する装置および方法、および高速化された基準で処理されたデータマトリックス
FR2736182A1 (fr) * 1995-06-30 1997-01-03 Philips Electronique Lab Procede de traitement d'images pour la reduction du bruit dans une image d'une sequence d'images numeriques et dispositif mettant en oeuvre ce procede
US6112112A (en) * 1998-09-18 2000-08-29 Arch Development Corporation Method and system for the assessment of tumor extent in magnetic resonance images
US6351571B1 (en) * 1998-12-14 2002-02-26 Eastman Kodak Company Uniform convolution algorithm for frequency decomposition of image regions
DE19957127C1 (de) * 1999-11-26 2001-08-16 Siemens Ag Computertomograph mit Mitteln zur Darstellung von Schattenbildern
JP2001157675A (ja) * 1999-12-02 2001-06-12 Fuji Photo Film Co Ltd 画像表示方法および画像表示装置
JP2001324345A (ja) * 2000-05-15 2001-11-22 Alpine Electronics Inc ナビゲーション装置及びナビゲーション装置の経路案内方法
KR100327385B1 (en) * 2000-07-18 2002-03-13 Lg Electronics Inc Spatio-temporal three-dimensional noise filter
WO2002059835A1 (fr) * 2001-01-26 2002-08-01 Koninklijke Philips Electronics N.V. Unite de filtre spatio-temporel et dispositif de visualisation d'images equipe de cette unite
US6643351B2 (en) * 2001-03-12 2003-11-04 Shimadzu Corporation Radiographic apparatus
US6728415B2 (en) * 2001-03-30 2004-04-27 Hewlett-Packard Development Company, L.P. Method and apparatus for image processing using adaptive convolution filters
US6834125B2 (en) * 2001-06-25 2004-12-21 Science And Technology Corp. Method of improving a digital image as a function of its dynamic range
DE10306555A1 (de) * 2002-03-06 2003-09-18 Siemens Ag Verfahren zur Bearbeitung einer mit einem dynamischen Bildwandler, insbesondere einem Festkörperbilddetektor aufgenommenen Strahlungsbildsequenz bestehend aus mehreren nacheinander aufgenommenen Strahlungsbildern eines Untersuchungsobjekts
JP4137499B2 (ja) * 2002-04-23 2008-08-20 富士フイルム株式会社 位相情報復元方法及び位相情報復元装置、並びに、位相情報復元プログラム
DE10222702A1 (de) * 2002-05-22 2003-12-24 Siemens Ag Verfahren zur Korrektur der Extrafokalstrahlung einer Röntgenröhre in der Computertomographie

Also Published As

Publication number Publication date
US20040086194A1 (en) 2004-05-06
FR2846830A1 (fr) 2004-05-07
US7379615B2 (en) 2008-05-27
DE10350697A1 (de) 2004-05-19

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Legal Events

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Effective date: 20150630