Abstract
This paper presents an experimental study of two dimensional (2D) tissue motion estimation in ultrafast imaging using transverse oscillation and a phase based motion estimation. In this study, the motion is measured all along the wall of an artery phantom. The method employs ultrafast imaging which has become a world-wide used modality, with several promising clinical application, transverse oscillations technics which allow improving the motion estimation in transverse direction i.e. perpendicular to the beam axis, and a phase-based motion estimation. The experiment in vitro results show that the motion estimation is very reproducible all along the phantom wall, and even if the wall displacement estimable are very small (0.001 pixel), our method is able to estimate the 2D motion.
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