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BioNano Monographs

Ultrasonic Methods for Measurement of Small Motion and Deformation of Biological Tissues for Assessment of Viscoelasticity

Editor
H. Hasegawa
H. Hasegawa
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H. Kanai
H. Kanai
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ISBN:
9780791860311
No. of Pages:
50
Publisher:
ASME Press
Publication date:
2014

In our proposed method for measurement of small tissue motion, the interval of frames between which the phase shift of echoes is estimated can be increased as described in [47] if the number of computations are desired to be reduced. However, aliasing does not occur because the large global motion is tracked (compensated) by the conventional method at a high frame rate of 286 Hz. The global motion between 2 key frames is the distance corresponding to an interval of sampled points, 19.25 μm in this study (speed of sound: 1,540 m/s). Therefore, the residual displacements at other radial positions...

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