Research Article

Automatic Graph Cut Segmentation of Lesions in CT Using Mean Shift Superpixels

Figure 8

Example of cost functions. (a1, b1) 3D attached nodule in two contiguous slices in CT; (a2, b2) unary cost; (a3, b3) pairwise smoothing cost; (a4, b4) minimization of both energy terms based on (5).
983963.fig.008a
(a)
983963.fig.008b
(b)