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

Table 2

Summary of Dice coefficients for different types of solid nodules based on two different methods.

Type	Number nodules	4D-based method		Proposed method
		Mean coefficient	Std (σ)	Mean coefficient	Std (σ)
Isolated	28	0.80	0.05	0.81	0.04
Vascular	53	0.68	0.1	0.80	0.06
Pleural	20	0.67	0.09	0.73	0.06