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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2015.007050
|2 doi
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|a eng
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| 100 |
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|a Salles, Sebastien
|e verfasserin
|4 aut
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|a Full 3-D transverse oscillations
|b a method for tissue motion estimation
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|c 2015
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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 12.05.2016
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|a Date Revised 16.08.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a We present a new method to estimate 4-D (3-D + time) tissue motion. The method used combines 3-D phase based motion estimation with an unconventional beamforming strategy. The beamforming technique allows us to obtain full 3-D RF volumes with axial, lateral, and elevation modulations. Based on these images, we propose a method to estimate 3-D motion that uses phase images instead of amplitude images. First, volumes featuring 3-D oscillations are created using only a single apodization function, and the 3-D displacement between two consecutive volumes is estimated simultaneously by applying this 3-D estimation. The validity of the method is investigated by conducting simulations and phantom experiments. The results are compared with those obtained with two other conventional estimation methods: block matching and optical flow. The results show that the proposed method outperforms the conventional methods, especially in the transverse directions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Liebgott, Hervé
|e verfasserin
|4 aut
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| 700 |
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|a Garcia, Damien
|e verfasserin
|4 aut
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| 700 |
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|a Vray, Didier
|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 62(2015), 8 vom: 16. Aug., Seite 1473-85
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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|g volume:62
|g year:2015
|g number:8
|g day:16
|g month:08
|g pages:1473-85
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|u http://dx.doi.org/10.1109/TUFFC.2015.007050
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