Biomedical Engineering Reference
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(a)
(b)
(c)
(d)
Figure 1.29: Synthetic images generated by low frequency: 10 MHz (a) and
20 MHz (b), intermediate frequency of 30 MHz (c), and high frequency of
50 MHz (d).
1.6.3.2 Optimal Ultrasound Frequency
In order to validate our model, we compare synthetic to real images. We gener-
ated synthetic images for a great rank of frequency and used the cross-validation
method [23] to find the most similar image to the real one generated using Boston
Sci. equipment at 40 MHz frequency. The sum square error (SSE) from the real to
the simulated images for each ultrasound simulated frequency is computed. Fig-
ure 1.30(a) shows the SSE versus ultrasound frequency. The optimal frequency
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