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. Author manuscript; available in PMC: 2006 Mar 17.
Published in final edited form as: IEEE Trans Med Imaging. 2004 Dec;23(12):1479–1489. doi: 10.1109/TMI.2004.835604

Fig. 1.

Fig. 1

A diagram for elastographic imaging using a linear array transducer with beam steering. This image shows superposition of three RF frames with different steering angles, −θ, 0, and +θ° Generally, the beam could be steered in many angular steps. The figure defines the z and x directions which are, respectively, the axial and lateral direction of the ultrasound beam without steering.