DE69624225D1 - Gerichtete adaptive geräuschreduktion - Google Patents

Gerichtete adaptive geräuschreduktion

Info

Publication number
DE69624225D1
DE69624225D1 DE69624225T DE69624225T DE69624225D1 DE 69624225 D1 DE69624225 D1 DE 69624225D1 DE 69624225 T DE69624225 T DE 69624225T DE 69624225 T DE69624225 T DE 69624225T DE 69624225 D1 DE69624225 D1 DE 69624225D1
Authority
DE
Germany
Prior art keywords
noise reduction
adaptive noise
directed adaptive
directed
reduction
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
DE69624225T
Other languages
English (en)
Other versions
DE69624225T2 (de
Inventor
Miha Fuderer
Til Aach
Wilhelm Kunz
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Corporate Intellectual Property GmbH
Koninklijke Philips Electronics NV
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 Philips Corporate Intellectual Property GmbH, Koninklijke Philips Electronics NV filed Critical Philips Corporate Intellectual Property GmbH
Publication of DE69624225D1 publication Critical patent/DE69624225D1/de
Application granted granted Critical
Publication of DE69624225T2 publication Critical patent/DE69624225T2/de
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
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
DE69624225T 1995-12-21 1996-12-13 Gerichtete adaptive geräuschreduktion Expired - Fee Related DE69624225T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95203590 1995-12-21
EP96202880 1996-10-16
PCT/IB1996/001429 WO1997023844A1 (en) 1995-12-21 1996-12-13 Directional adaptive noise reduction

Publications (2)

Publication Number Publication Date
DE69624225D1 true DE69624225D1 (de) 2002-11-14
DE69624225T2 DE69624225T2 (de) 2003-07-10

Family

ID=26139938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69624225T Expired - Fee Related DE69624225T2 (de) 1995-12-21 1996-12-13 Gerichtete adaptive geräuschreduktion

Country Status (5)

Country Link
US (1) US6049623A (de)
EP (1) EP0815535B1 (de)
JP (1) JPH11501140A (de)
DE (1) DE69624225T2 (de)
WO (1) WO1997023844A1 (de)

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KR100671098B1 (ko) * 1999-02-01 2007-01-17 주식회사 팬택앤큐리텔 모양정보를 이용한 멀티미디어 데이터의 검색 방법 및 장치
US6625311B1 (en) 1999-04-09 2003-09-23 The Board Of Regents Of The University Of Nebraska Methodology for data structure characterization, indexing, storage and retrieval
US6332037B1 (en) * 1999-04-09 2001-12-18 Board Of Regents Of The University Of Nebraska Invariant, Eigenvalue based, non-degenerate data structure characterization, storage and retrieval indexing method
JP4112762B2 (ja) * 1999-10-05 2008-07-02 株式会社東芝 画像処理装置およびｘ線診断装置
SE0003608L (sv) * 2000-10-06 2001-12-17 Xcounter Ab Metod för reducering av högfrekvent brus i bilder med hjälp av medelvärdesbildning av pixlar och parvis addering av pixelpar som uppfyller ett villkor
US6493416B1 (en) * 2001-11-21 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus for noise reduction in computed tomographic systems
WO2005010561A2 (en) * 2003-07-22 2005-02-03 L-3 Communications Security and Detection Systems Corporation Methods and apparatus for detecting objects in baggage using x-rays
US7647182B2 (en) * 2004-07-15 2010-01-12 Baker Hughes Incorporated Apparent dip angle calculation and image compression based on region of interest
US7200492B2 (en) * 2004-07-15 2007-04-03 Baker Hughes Incorporated Apparent dip angle calculation and image compression based on region of interest
US7660481B2 (en) * 2005-11-17 2010-02-09 Vital Images, Inc. Image enhancement using anisotropic noise filtering
FR2924254B1 (fr) * 2007-11-23 2010-01-01 Gen Electric Procede de traitement d'images en radioscopie interventionnelle
US8363728B2 (en) * 2008-04-18 2013-01-29 Sony Corporation Block based codec friendly edge detection and transform selection
US20100067818A1 (en) * 2008-09-15 2010-03-18 Sony Corporation, A Japanese Corporation System and method for high quality image and video upscaling
US9326008B2 (en) * 2012-04-10 2016-04-26 Google Inc. Noise reduction for image sequences
US8953902B2 (en) * 2012-07-06 2015-02-10 Morpho Detection, Llc Systems and methods for thin object imaging
WO2014033207A1 (en) 2012-08-29 2014-03-06 Koninklijke Philips N.V. Iterative sense denoising with feedback
WO2014119412A1 (ja) * 2013-01-30 2014-08-07 株式会社 日立メディコ 医用画像処理装置及び医用画像撮像装置
WO2014147518A2 (en) 2013-03-21 2014-09-25 Koninklijke Philips N.V. Mr image reconstruction using compressed sensing
JP6681221B2 (ja) * 2016-03-03 2020-04-15 株式会社Ihi 構造解析装置、構造解析方法及び三次元織繊維素材製造方法

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US5040225A (en) * 1987-12-07 1991-08-13 Gdp, Inc. Image analysis method
US5224175A (en) * 1987-12-07 1993-06-29 Gdp Technologies, Inc. Method for analyzing a body tissue ultrasound image
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US5281914A (en) * 1991-08-09 1994-01-25 The Johns Hopkins University Method of vector magnetic resonance measurement and imaging and associated apparatus
US5168375A (en) * 1991-09-18 1992-12-01 Polaroid Corporation Image reconstruction by use of discrete cosine and related transforms
JP2789967B2 (ja) * 1992-11-02 1998-08-27 松下電器産業株式会社 動きベクトル検出装置
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JP3006338B2 (ja) * 1993-03-26 2000-02-07 松下電器産業株式会社 運動領域輪郭検出装置
JPH06350997A (ja) * 1993-06-03 1994-12-22 Matsushita Electric Ind Co Ltd 動きベクトル検出装置
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US5602934A (en) * 1993-09-08 1997-02-11 The Regents Of The University Of California Adaptive digital image signal filtering
US5424556A (en) * 1993-11-30 1995-06-13 Honeywell Inc. Gradient reflector location sensing system
DE4405232C1 (de) * 1994-02-18 1995-05-18 Siemens Ag Verfahren zur Verarbeitung von CT- und MR- Bildsignalen
JPH07299053A (ja) * 1994-04-29 1995-11-14 Arch Dev Corp コンピュータ診断支援方法
US5800354A (en) * 1994-11-23 1998-09-01 U.S. Phillips Corporation Method of and device for magnetic resonance imaging
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US5875040A (en) * 1995-12-04 1999-02-23 Eastman Kodak Company Gradient based method for providing values for unknown pixels in a digital image
JP4020966B2 (ja) * 1995-12-21 2007-12-12 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 画像内のノイズ減少方法

Also Published As

Publication number Publication date
EP0815535A1 (de) 1998-01-07
US6049623A (en) 2000-04-11
WO1997023844A1 (en) 1997-07-03
EP0815535B1 (de) 2002-10-09
DE69624225T2 (de) 2003-07-10
JPH11501140A (ja) 1999-01-26

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH, 20

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee