Table 1: Texture and Morphologic Features Extracted

Feature Feature Definition Feature Distribution
Benign Malignant
Tσtumor the σ of graytumor Smaller Larger
Tσedge the σ of grayedge Larger Smaller
TRltRrt graytumor/grayedge Larger Smaller
Mcompt 4AreaPerimeter2 Larger Smaller
Mspicu =04R/=42R Larger Smaller
Mlobus #{local extrema in r(θ)} Fewer More
Mrectlike areatumor/arearect Larger Smaller
Meccent Lshort/Lshort Smaller Larger