Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study.

Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study. Research Abstract Details 

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Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study. Abstract Text:

Yufeng Zhang,Yali Gao,Le Wang,Jianhua Chen,Xinling Shi,Yufeng Zhang,Yali Gao,Le Wang,Jianhua Chen,Xinling Shi,

Doppler ultrasound blood flow analysis systems normally use a high-pass filter to remove the large, low frequency components from the vessel wall from the blood flow signal. Unfortunately, the filter also removes the low frequency Doppler signals arising from slow moving blood. In this paper, we propose to use a novel technique, called the empirical mode decomposition (EMD), to remove the wall components from the mixed signals. The EMD is used to decompose a Doppler signal into finite individual components. Then the wall components are automatically identified and removed by using a strategy. This method is applied to process the simulated Doppler signals. Compared with the results based on the tradition high-pass filter, the new approach obtains improved performance for wall removal from the mixed Doppler signals, and provide us with more accurate low blood flow.

Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study. Publishing Authors By Initials

Y Zhang,Y Gao,L Wang,J Chen,X Shi,Y Zhang,Y Gao,L Wang,J Chen,X Shi,

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Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Conference proceedings : ... Annual International

VOLUME: 1

Page Numbers: 6173-6

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ISSN: 1557-170X

DAY: 23

MONTH: 10

YEAR: 2006

Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Application of empirical mode decomposition to remove the wall components in Doppler ultrasound signals: a simulation study.

AFFILIATION: Dept. of Electron. Eng., Yunnan Univ., Kunming.

Country: United States

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MEDLINETA: Conf Proc IEEE Eng Med Biol So

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