Table IV.
Features selected by the MRMR algorithm for the different volume ranges. Features that were also found by our procedure are displayed in bold, while features not reflecting actual texture are marked with (NoTex), features highly correlated with volume or SUVMEAN are marked with (CORR).
| Volume > 0 mL | Volume > 3.2 mL | Volume > 11.48 mL | Volume > 33.04 mL | Volume > 45 mL | Volume > 103.94 mL |
|---|---|---|---|---|---|
| (NoTex) Gray‐level nonuniformity (GLSZM 2Davg) | Gray‐level nonuniformity (GLSZM2Davg) | (CORR) Short run low gray‐level emphasis (GLRLM 3Davg) | (CORR) Short run low gray‐level emphasis (GLRLM 3Davg) | long runs emphasis (GLRLM 2Davg) | Zone distance nonuniformity (GLDZM 2Davg) |
| (NoTex) long runs emphasis (GLRLM 2Davg) | (NoTex) long runs emphasis (GLRM 2Davg) | (NoTex) Zone distance nonuniformity (GLDZM 2Davg) | Gray‐level nonuniformity (GLSZM 3D) | Zone distance nonuniformity (GLDZM 2Davg) | Gray‐level nonuniformity (2DWmrg) |
| (NoTex) Zone distance nonuniformity normalized (GLDZM 2Davg) | (NoTex) Zone distance nonuniformity normalized (GLDZM 2Davg) | (NoTex) long runs emphasis (GLRLM 2Davg) | long runs emphasis (GLRLM 2Davg) | (NoTex) contrast (NGTDM 2Dmrg) | Gray‐level nonuniformity (GLSZM 3D) |
| (CORR) Gray‐level nonuniformity (3Dmrg) | (CORR) Gray‐level nonuniformity (3Dmr)g | Gray‐level nonuniformity (GLCM 2Dvmrg) | (NoTex) Run length nonuniformity (GLRLM 2Davg) | (NoTex) joint maximum (GLCM 2Dmrg) | Run percentage (GLRLM 2Davg) |
| (NoTex) contrast (NGTDM 2Dmrg) | (NoTex) contrast (NGTDM 2Dmrg) | (NoTex) small distance emphasis (GLDZM 2Davg) | (NoTex) contrast (NGTDM 2Dmrg) | Gray‐level nonuniformity (GLSZM 2Davg) | Gray‐level nonuniformity (GLDZM 2Davg) |
| (NoTex) Morans I | (CORR) Short run low gray‐level emphasis (GLRLM 3Davg) | (NoTex) contrast (NGTDM 2Dmrg) | Gray‐level nonuniformity (GLSZM 2Davg) | (NoTex) Zone size entropy (GLSZM 2Dmrg) | (CORR) Run length nonuniformity (GLRLM 2Davg) |
| (CORR) Short run low gray‐level emphasis (GLRLM 3Davg) | (NoTex) Run length nonuniformity (GLRLM 2Dvmrg) | (NoTex) Small distance emphasis (GLDZM 2Davg) | (NoTex) joint maximum (GLCM 2Dmrg) | (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) | (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) |
| (NoTex) Run length nonuniformity (GLRLM 2Dvmrg) | (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) | (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) | (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) | (CORR) difference variance (GLCM 2Dvmrg) | (CORR) difference variance (GLCM 2Dvmrg) |
| (NoTex) Large zone high gray‐level emphasis (GLSZM 3D) | (CORR) difference variance (GLCM 2Dvmrg) | (CORR) difference variance (GLCM 2Dvmrg) | (CORR) difference variance (GLCM 2Dvmrg) | (CORR) coarseness (NGTDM 3D) | (NoTex) joint maximum (GLCM 2Davg) |
| (CORR) difference variance (GLCM 2Dvmrg) | (NoTex) joint maximum (GLCM 2Davg) | (NoTex) joint maximum (GLCM 2Davg) | Zone distance nonuniformity normalized (GLDZM 2Davg) | Zone distance nonuniformity normalized (GLDZM 2Davg) | Zone distance nonuniformity (GLDZM 2Dmrg) |