Table 1 Top layer thickness prediction errors, for both tissue types and feature extraction methods.
Feature set | Fat on muscle | Muscle on fat | ||
---|---|---|---|---|
Linear SVM | Exponential GPR | Linear SVM | Exponential GPR | |
DRS peaks | 0.68 ± 0.56 mm | 0.58 ± 0.55 mm | 0.64 ± 0.55 mm* | 0.43 ± 0.42 mm* |
DRS wavelet | 0.65 ± 0.56 mm | 0.67 ± 0.60 mm | 0.51 ± 0.39 mm | 0.45 ± 0.33 mm |
DRS peaks + US | 0.70 ± 0.56 mm | 0.61 ± 0.51 mm | 0.60 ± 0.93 mm** | 0.35 ± 0.33 mm** |
DRS wavelet + US | 0.66 ± 0.55 mm | 0.66 ± 0.55 mm | 0.48 ± 0.39 mm | 0.39 ± 0.34 mm |
US | 1.62 ± 1.07 mm | 1.23 ± 0.96 mm | 0.75 ± 0.77 mm | 0.53 ± 0.60 mm |