[1] YONG Xi.Study on method of heart sound signal extraction based on EMD and SVD[D].Chongqing:Chongqing University,2016.(in Chinese)雍希.基于EMD及SVD的心音信号提取方法研究[D].重庆:重庆大学,2016. [2] LIN C S,TANUMIHARDJA W A,SHIH H H.Lung-heart sound separation using noise assisted multivariate empirical mode decomposition[C]//Proceedings of 2013 International Symposium on Intelligent Signal Processing and Communication Systems.Washington D.C.,USA:IEEE Press,2013:726-730. [3] MONDAL A,BHATTACHARYA P S,SAHA G.Reduction of heart sound interference from lung sound signals using empirical mode decomposition technique[J].Journal of Medical Engineering & Technology,2011,35(6/7):344-353. [4] SATHESH K,MUNIRAJ N J R.Real time heart and lung sound separation using adaptive line enhancer with NLMS[J].Journal of Theoretical and Applied Information Technology,2014,65(2):559-564. [5] NERSISSON R,NOEL M M.Heart sound and lung sound separation algorithms:a review[J].Journal of Medical Engineering and Technology,2017,41(1):13-21. [6] NERSISSON R,NOEL M M.Hybrid nelder-mead search based optimal least mean square algorithms for heart and lung sound separation[J].Engineering Science and Technology,2017,20(3):1054-1065. [7] LIANG Huiying,SAKARI L,IIRO H.A heart sound segmentation algorithm using wavelet decomposition and reconstruction[C]//Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.Washington D.C.,USA:IEEE Press,1997:1630-1633. [8] MISAL A,SINHA G R.Separation of lung sound from PCG signals using wavelet transform[J].Journal of Basic and Applied Physics,2012,1(2):57-61. [9] GRADOLEWSKI D,REDLARSKI G.Wavelet-based denoising method for real phonocardiography signal recorded by mobile devices in noisy environment[J].Computers in Biologyand Medicine,2014,52:119-129. [10] MONDAL A,SAXENA I,TANG H,et al.A noise reduction technique based on nonlinear kernel function for heart sound analysis[J].IEEE Journal of Biomedical and Health Informatics,2017,22(3):775-784. [11] MAKKIABADI B,JARCHI D,SANEI S.A new time domain convolutive BSS of heart and lung sounds[C]//Proceedings of 2012 IEEE International Conference on Acoustics,Speech and Signal Processing.Washington D.C.,USA:IEEE Press,2012:605-608. [12] HEDAYIOGLU F L,JAFARI M G,MATTOS S S,et al.Separating sources from sequentially acquired mixtures of heart signals[C]//Proceedings of 2011 IEEE International Conference on Acoustics,Speech and Signal Processing.Washington D.C.USA:IEEE Press,2011:653-656. [13] TSALAILE T,NAQVI S M,NAZARPOUR K,et al.Blind source extraction of heart sound signals from lung sound recordings exploiting periodicity of the heart sound[C]//Proceedings of 2008 IEEE International Conference on Acoustics,Speech and Signal Processing.Washington D.C.,USA:IEEE Press,2008:461-464. [14] CHIEN J C,HUANG Mingchuan,LIN Y D,et al.A study of heart sound and lung sound separation by independent component analysis technique[C]//Proceedings of 2006 International Conference of the IEEE Engineering in Medicine and Biology Society.Washington D.C.,USA:IEEE Press,2006:5708-5711. [15] AYARI F,KSOURI M,ALOUANI A T.Lung sound extraction from mixed lung and heart sounds FASTICA algorithm[C]//Proceedings of the 16th IEEE Mediterranean Electrotechnical Conference.Washington D.C.,USA:IEEE Press,2012:339-342. [16] LEE D D,SEUNG H S.Learning the parts of objects by nonnegative matrix factorization[J].Nature,1999,401(6755):788-791. [17] LIN C S,HASTING E.Blind source separation of heart and lung sounds based on nonnegative matrix factorization[C]//Pro-ceedings of 2013 International Symposium on Intelligent Signal Processing and Communication Systems.Washington D.C.,USA:IEEE Press,2013:731-736. [18] SHAH G,KOCH P,PAPADIAS C B.On the blind recovery of cardiac and respiratory sounds[J].IEEE Journalof Biomedical and Health Informatics,2014,19(1):151-157. [19] GUO Luming.The research and application of cardiopulmonary sounds separation method based on blind source separa-tion[D].Guangzhou:Guangdong University of Technology,2016.(in Chinese)郭鹿鸣.基于盲源分离的心肺音信号分离方法研究与应用[D].广州:广东工业大学,2016. [20] LIU Haifeng,WU Zhaohui,LI Xuelong,et al.Constrained nonnegative matrix factorization for image representation[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,2011,34(7):1299-1311. [21] LI Baoqing.The machinery fault diagnosis method based on adaptive and sparsest time-frequency analysis[D].Changsha:Hunan University,2016.(in Chinese)李宝庆.基于自适应最稀疏时频分析的机械故障诊断方法[D].长沙:湖南大学,2016. [22] DEBBAL S M,BEREKSIREGUIG F.Spectral analysis of the PCG signals[J].Internet Journal of Microbiology,2006,4(1):3. [23] GROSS V,DITTMAR A,PENZEL T,et al.The relationship between normal lung sounds,age,and gender[J].American Journal of Respiratory and Critical Care Medicine,2000,162(3):905-909. [24] ARNOTT P J,PFEIFFER G W,TAVEL M E.Spectralanalysis of heart sounds:relationships between some physical characteristics and frequency spectra of first and second heart sounds in normals and hypertensives[J].Journal of Biomedical Engineering,1984,6(2):121-128. [25] ZHANG Zhilu.Underdetermined blind source separation based on time-frequency sparsity[D].Nanchang:Nanchang University,2012.(in Chinese)张志禄.基于时频域稀疏的欠定盲源分离[D].南昌:南昌大学,2012. [26] LITTMANN.Heart and Lung Sounds:3M Littmann Stethoscopes[EB/OL].[2018-10-30].http://emedicine.medscape.com/article/1894036-overview#showall. [27] MEDEDU LLC.Intermediate Lung Sounds[EB/OL].[2018-10-30]. https://www.easyauscultation.com/cases?coursecaseorder=1&courseid=202. [28] The Auscultation Assistant[EB/OL].[2018-10-30].http://www.med.ucla.edu/wilkes/index.htm. [29] BENTLEY P,NORDEHN G,COIMBRA M,et al.The PASCAL classifying heart sounds challenge[EB/OL].[2018-10-30]. http://www.peterjbentley.com/heartchallenge/index.html. |