SE521024C2 - Metod och anordning för att separera en blandning av källsignaler - Google Patents

Metod och anordning för att separera en blandning av källsignaler

Info

Publication number
SE521024C2
SE521024C2 SE9900853A SE9900853A SE521024C2 SE 521024 C2 SE521024 C2 SE 521024C2 SE 9900853 A SE9900853 A SE 9900853A SE 9900853 A SE9900853 A SE 9900853A SE 521024 C2 SE521024 C2 SE 521024C2
Authority
SE
Sweden
Prior art keywords
filter coefficients
filter
matrix
signal
signals
Prior art date
Application number
SE9900853A
Other languages
English (en)
Swedish (sv)
Other versions
SE9900853L (sv
SE9900853D0 (sv
Inventor
Tony Gustafsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9900853A priority Critical patent/SE521024C2/sv
Publication of SE9900853D0 publication Critical patent/SE9900853D0/xx
Priority to CNB008047731A priority patent/CN1180539C/zh
Priority to JP2000604521A priority patent/JP2002539661A/ja
Priority to AU36888/00A priority patent/AU3688800A/en
Priority to EP00915664A priority patent/EP1190486A1/en
Priority to TR2001/02574T priority patent/TR200102574T2/xx
Priority to PCT/SE2000/000451 priority patent/WO2000054404A1/en
Publication of SE9900853L publication Critical patent/SE9900853L/
Priority to US09/947,755 priority patent/US6845164B2/en
Publication of SE521024C2 publication Critical patent/SE521024C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
    • G06F18/21343—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis using decorrelation or non-stationarity, e.g. minimising lagged cross-correlations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
    • G06F18/21347—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis using domain transformations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
SE9900853A 1999-03-08 1999-03-08 Metod och anordning för att separera en blandning av källsignaler SE521024C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9900853A SE521024C2 (sv) 1999-03-08 1999-03-08 Metod och anordning för att separera en blandning av källsignaler
CNB008047731A CN1180539C (zh) 1999-03-08 2000-03-07 分离混合信号的方法和装置
JP2000604521A JP2002539661A (ja) 1999-03-08 2000-03-07 ソース信号の混合状態を分離する方法と装置
AU36888/00A AU3688800A (en) 1999-03-08 2000-03-07 Method and device for separating a mixture of source signals
EP00915664A EP1190486A1 (en) 1999-03-08 2000-03-07 Method and device for separating a mixture of source signals
TR2001/02574T TR200102574T2 (tr) 1999-03-08 2000-03-07 Bir kaynak sinyalleri karışımının ayrıştırılması için yöntem ve araç.
PCT/SE2000/000451 WO2000054404A1 (en) 1999-03-08 2000-03-07 Method and device for separating a mixture of source signals
US09/947,755 US6845164B2 (en) 1999-03-08 2001-09-07 Method and device for separating a mixture of source signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900853A SE521024C2 (sv) 1999-03-08 1999-03-08 Metod och anordning för att separera en blandning av källsignaler

Publications (3)

Publication Number Publication Date
SE9900853D0 SE9900853D0 (sv) 1999-03-08
SE9900853L SE9900853L (sv) 2000-11-08
SE521024C2 true SE521024C2 (sv) 2003-09-23

Family

ID=20414782

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900853A SE521024C2 (sv) 1999-03-08 1999-03-08 Metod och anordning för att separera en blandning av källsignaler

Country Status (8)

Country Link
US (1) US6845164B2 (zh)
EP (1) EP1190486A1 (zh)
JP (1) JP2002539661A (zh)
CN (1) CN1180539C (zh)
AU (1) AU3688800A (zh)
SE (1) SE521024C2 (zh)
TR (1) TR200102574T2 (zh)
WO (1) WO2000054404A1 (zh)

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US6901363B2 (en) * 2001-10-18 2005-05-31 Siemens Corporate Research, Inc. Method of denoising signal mixtures
US6711528B2 (en) * 2002-04-22 2004-03-23 Harris Corporation Blind source separation utilizing a spatial fourth order cumulant matrix pencil
US7047043B2 (en) * 2002-06-06 2006-05-16 Research In Motion Limited Multi-channel demodulation with blind digital beamforming
US20030233227A1 (en) * 2002-06-13 2003-12-18 Rickard Scott Thurston Method for estimating mixing parameters and separating multiple sources from signal mixtures
US7474756B2 (en) * 2002-12-18 2009-01-06 Siemens Corporate Research, Inc. System and method for non-square blind source separation under coherent noise by beamforming and time-frequency masking
US7039546B2 (en) 2003-03-04 2006-05-02 Nippon Telegraph And Telephone Corporation Position information estimation device, method thereof, and program
CN100430747C (zh) * 2003-03-04 2008-11-05 日本电信电话株式会社 位置信息估计装置及其方法
US7187326B2 (en) * 2003-03-28 2007-03-06 Harris Corporation System and method for cumulant-based geolocation of cooperative and non-cooperative RF transmitters
US6931362B2 (en) * 2003-03-28 2005-08-16 Harris Corporation System and method for hybrid minimum mean squared error matrix-pencil separation weights for blind source separation
US20100265139A1 (en) * 2003-11-18 2010-10-21 Harris Corporation System and method for cumulant-based geolocation of cooperative and non-cooperative RF transmitters
US7974420B2 (en) * 2005-05-13 2011-07-05 Panasonic Corporation Mixed audio separation apparatus
US8131542B2 (en) * 2007-06-08 2012-03-06 Honda Motor Co., Ltd. Sound source separation system which converges a separation matrix using a dynamic update amount based on a cost function
WO2009110574A1 (ja) * 2008-03-06 2009-09-11 日本電信電話株式会社 信号強調装置、その方法、プログラム及び記録媒体
TWI456516B (zh) * 2010-12-17 2014-10-11 Univ Nat Chiao Tung 獨立成分分析處理器
US9192319B2 (en) * 2012-07-13 2015-11-24 Electrical Geodesics, Inc. Method for separating signal sources by use of physically unique dictionary elements
US9131295B2 (en) 2012-08-07 2015-09-08 Microsoft Technology Licensing, Llc Multi-microphone audio source separation based on combined statistical angle distributions
US9269146B2 (en) 2012-08-23 2016-02-23 Microsoft Technology Licensing, Llc Target object angle determination using multiple cameras
FR2996043B1 (fr) * 2012-09-27 2014-10-24 Univ Bordeaux 1 Procede et dispositif pour separer des signaux par filtrage spatial a variance minimum sous contrainte lineaire
CN109393557B (zh) * 2018-12-12 2024-02-20 浙江中烟工业有限责任公司 一种滤棒成型机滤棒称重装置和重量检测信号分离方法
CN110868248A (zh) * 2019-11-21 2020-03-06 南京邮电大学 一种短突发碰撞信号分离方法
CN111178232B (zh) * 2019-12-26 2023-06-30 山东中科先进技术有限公司 一种源信号的确定方法及系统
CN114562982B (zh) * 2022-03-09 2023-09-26 北京市遥感信息研究所 一种光学和sar异源卫星影像联合平差的定权方法和装置

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DE4121356C2 (de) * 1991-06-28 1995-01-19 Siemens Ag Verfahren und Einrichtung zur Separierung eines Signalgemisches
FR2688371B1 (fr) * 1992-03-03 1997-05-23 France Telecom Procede et systeme de spatialisation artificielle de signaux audio-numeriques.
IL101556A (en) * 1992-04-10 1996-08-04 Univ Ramot Multi-channel signal separation using cross-polyspectra
US5825671A (en) * 1994-03-16 1998-10-20 U.S. Philips Corporation Signal-source characterization system
FR2730881A1 (fr) * 1995-02-22 1996-08-23 Philips Electronique Lab Systeme pour estimer des signaux recus sous forme de signaux melanges
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FR2759824A1 (fr) * 1997-02-18 1998-08-21 Philips Electronics Nv Systeme de separation de sources non stationnaires
AU740617C (en) * 1997-06-18 2002-08-08 Clarity, L.L.C. Methods and apparatus for blind signal separation
US6185309B1 (en) * 1997-07-11 2001-02-06 The Regents Of The University Of California Method and apparatus for blind separation of mixed and convolved sources
SE520450C2 (sv) * 1997-09-05 2003-07-08 Ericsson Telefon Ab L M Signalseparation
US6654719B1 (en) * 2000-03-14 2003-11-25 Lucent Technologies Inc. Method and system for blind separation of independent source signals
JP4028680B2 (ja) * 2000-11-01 2007-12-26 インターナショナル・ビジネス・マシーンズ・コーポレーション 観測データから原信号を復元する信号分離方法、信号処理装置、モバイル端末装置、および記憶媒体
JP3725418B2 (ja) * 2000-11-01 2005-12-14 インターナショナル・ビジネス・マシーンズ・コーポレーション 複数信号が混合される画像データから多次元信号を復元する信号分離方法、画像処理装置および記憶媒体
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US6934397B2 (en) * 2002-09-23 2005-08-23 Motorola, Inc. Method and device for signal separation of a mixed signal

Also Published As

Publication number Publication date
CN1180539C (zh) 2004-12-15
SE9900853L (sv) 2000-11-08
CN1343388A (zh) 2002-04-03
US20020051500A1 (en) 2002-05-02
EP1190486A1 (en) 2002-03-27
SE9900853D0 (sv) 1999-03-08
JP2002539661A (ja) 2002-11-19
WO2000054404A1 (en) 2000-09-14
AU3688800A (en) 2000-09-28
US6845164B2 (en) 2005-01-18
TR200102574T2 (tr) 2002-01-21

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