Optimal Superpixel Kernel-Based Kernel Low-Rank and Sparsity Representation for Brain Tumour Segmentation

Table 1

Comparison of segmentation accuracy of different methods under different indicators.

Methods	Dice		PPV		Sensitivity
	Necrotic	Enhanced	Necrotic	Enhanced	Necrotic	Enhanced
Zhao et al. [27]	0.84	0.77	0.87	0.76	0.82	0.80
Havaei et al. [28]	0.79	0.73	0.79	0.68	0.79	0.80
Pereira et al. [29]	0.83	0.77	0.87	0.74	0.83	0.81
Tustison et al. [30]	0.78	0.74	0.74	0.69	0.88	0.83
Kwon et al. [31]	0.83	0.72	0.90	0.74	0.78	0.72
OSK-KLRR	0.85	0.78	0.89	0.80	0.87	0.85
OSK-KLRR-SR	0.86	0.79	0.90	0.81	0.88	0.85