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

Table 1

Comparison of pixel-based and superpixel-based graph cut algorithms on three different types nodules.

Nodule type	Pixel-based method		superpixel-based method
	Number of vertices	Time(s)	Number of vertices	Time(s)
GGO (a)	46195	16	946	1.2
part-solid (b)	22740	6.6	409	0.6
Solid (c)	17254	3.4	208	0.5