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. Author manuscript; available in PMC: 2014 Feb 6.
Published in final edited form as: Ultrasound Med Biol. 2009 Aug 3;35(10):1615–1628. doi: 10.1016/j.ultrasmedbio.2009.05.011

Fig. 2.

Fig. 2

Illustration of the grid model for forward modeling. Rays are traced from receiver to transmitter as shown in the figure.