An efficient adaptive method based on empirical wavelet transform for ultrasound tissue harmonic imaging

Han, Suya; Zhang, Yufeng; Jian, Lihua; Li, Zhiyao; He, Bingbing

doi:10.1016/j.bspc.2023.105535

Biomedical Signal Processing and Control

2024

DOI: 10.1016/j.bspc.2023.105535

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An efficient adaptive method based on empirical wavelet transform for ultrasound tissue harmonic imaging

Suya Han,

Yufeng Zhang,

Lihua Jian

et al.

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Cited by 3 publications

References 32 publications

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Improved second-harmonic imaging of ultrasound contrast agents using VGG-style network with adaptively decomposed ultrasound RF signals

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Cepstrum-driven modulated empirical wavelet transform and its application in bearing fault diagnosis

Wang,

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et al. 2024

Eng. Res. Express

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Empirical wavelet transform (EWT) has a complete theoretical support and can adaptively separate modes with different characteristics from the frequency domain. Signal decomposition and mode extraction based on the empirical wavelet transform can obtain more accurate components. This paper proposes a modulated empirical wavelet transform driven by cepstrum under the basic framework of traditional EWT method. The most innovative point of this paper is to use the characteristics of cepstrum to update the waveform of trend spectrum and realize the function of separating different modes. The filtering process constructs filter banks covering the entire frequency band based on scaling functions and empirical wavelets. In order to enhance the fault characteristics from the filtering components, the amplitude of its spectrum was modulated based on the Fourier transform characteristics. Finally, the effectiveness of the algorithm is verified by using simulation signals and experimental signals provided by Case Western Reserve University. Keywords: Empirical wavelet transform, Rolling bearing, Cepstrum, Amplitude Modulation, Fault Diagnosis

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An efficient adaptive method based on empirical wavelet transform for ultrasound tissue harmonic imaging

Cited by 3 publications

References 32 publications

Improved second-harmonic imaging of ultrasound contrast agents using VGG-style network with adaptively decomposed ultrasound RF signals

Improved second-harmonic imaging of ultrasound contrast agents using VGG-style network with adaptively decomposed ultrasound RF signals

Overlapping microbubble localization based on multiscale statistical features for ultrasound super-resolution imaging

Cepstrum-driven modulated empirical wavelet transform and its application in bearing fault diagnosis

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