Table 3.
Features Presenting Average Differences between 3D and RG PET Image Features
| < 2% Difference | < 5% Difference | < 10% Difference | < 15% Difference | < 20% Difference | > 50% Difference |
|---|---|---|---|---|---|
| SRE | Sphericity | Surface area/volume | Volume | V10-V90 | Minimum intensity |
| Spherical disproportion | Compactness | Surface area | Contrast (1st order) | Mean intensity | |
| Entropy (1st order) | Convexity | Long axis | Co-occurrence mean | Kurtosis | |
| Information measure of correlation 2 | Entropy (2nd order) | Short axis | Sum average | TGV | |
| RPC | Sum entropy | Local homogeneity (1st order) | Information measure of correlation 1 | RMS | |
| Difference entropy | Difference average | I30 | |||
| Difference variance | I10-I90 | ||||
| LRLGE |