Full-Range Liver Fat Fraction Estimation in Magnitude MRI Using a Signal Shape Descriptor

Figure 3

Features to be calculated for each pair of data points (a) and all the connections for a complete signal (b).

(a) Distance and angle as shape features to be computed for each pair of data points

(b) All the connections for a single 7-echo signal, resulting in 42 features (21 distances and 21 angles)