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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2017.2710102
|2 doi
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|a pubmed24n0915.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Bai, Chen
|e verfasserin
|4 aut
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|a Pulse-Inversion Subharmonic Ultrafast Active Cavitation Imaging in Tissue Using Fast Eigenspace-Based Adaptive Beamforming and Cavitation Deconvolution
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 19.02.2019
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|a Date Revised 20.03.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Pulse-inversion subharmonic (PISH) imaging can display information relating to pure cavitation bubbles while excluding that of tissue. Although plane-wave-based ultrafast active cavitation imaging (UACI) can monitor the transient activities of cavitation bubbles, its resolution and cavitation-to-tissue ratio (CTR) are barely satisfactory but can be significantly improved by introducing eigenspace-based (ESB) adaptive beamforming. PISH and UACI are a natural combination for imaging of pure cavitation activity in tissue; however, it raises two problems: 1) the ESB beamforming is hard to implement in real time due to the enormous amount of computation associated with the covariance matrix inversion and eigendecomposition and 2) the narrowband characteristic of the subharmonic filter will incur a drastic degradation in resolution. Thus, in order to jointly address these two problems, we propose a new PISH-UACI method using novel fast ESB (F-ESB) beamforming and cavitation deconvolution for nonlinear signals. This method greatly reduces the computational complexity by using F-ESB beamforming through dimensionality reduction based on principal component analysis, while maintaining the high quality of ESB beamforming. The degraded resolution is recovered using cavitation deconvolution through a modified convolution model and compressive deconvolution. Both simulations and in vitro experiments were performed to verify the effectiveness of the proposed method. Compared with the ESB-based PISH-UACI, the entire computation of our proposed approach was reduced by 99%, while the axial resolution gain and CTR were increased by 3 times and 2 dB, respectively, confirming that satisfactory performance can be obtained for monitoring pure cavitation bubbles in tissue erosion
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Xu, Shanshan
|e verfasserin
|4 aut
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|a Duan, Junbo
|e verfasserin
|4 aut
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|a Jing, Bowen
|e verfasserin
|4 aut
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|a Yang, Miao
|e verfasserin
|4 aut
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| 700 |
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|a Wan, Mingxi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 64(2017), 8 vom: 10. Aug., Seite 1175-1193
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:64
|g year:2017
|g number:8
|g day:10
|g month:08
|g pages:1175-1193
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|u http://dx.doi.org/10.1109/TUFFC.2017.2710102
|3 Volltext
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