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Table 3 Experimental results on phantoms

From: Ultrasonic liver steatosis quantification by a learning-based acoustic model from a novel shear wave sequence

Estimated parameter

Phantom

040GSE

0.5 dB region

040GSE

0.7 dB region

House-made oil phantom

Echo attenuation (dB/MHz/cm)

0.5132 ± 0.0367

0.7018 ± 0.0373

0.7563 ± 0.1605

Elasticity (kPa)

22.1111 ± 8.5971

17.8650 ± 5.1068

51.6250 ± 5.8750

Dispersion slope (m/s/Hz)

0.4821 ± 0.2612

0.4518 ± 0.3792

3.5391 ± 2.2279

Shear wave attenuation (Neper/m)

65.9084 ± 4.0722

74.8187 ± 18.3371

51.9126 ± 17.4872

Shear wave absorption (Neper/m)

53.6819 ± 1.4880

61.9683 ± 3.8338

38.4690 ± 5.1999