A Computer-Aided Diagnosis System for Dynamic Contrast-Enhanced MR Images Based on Level Set Segmentation and ReliefF Feature Selection

Figure 2

Processing steps for breast segmentation.

(a) Input

(b) Thresholded

(c) Opening

(d) Closing

(e) Hole filling

(f) Connected extract

(g) Edge contour

(h) Outer contour

(i) Initial CWL

(j) CWL