Table 2.

Performance of different methods on the KIRC dataset

	Method	DictionarySize=256	DictionarySize=512	DictionarySize=1024
280 training	PSDSPM	97.19 ± 0.49	97.27 ± 0.44	97.08 ± 0.45
	PSD [1]	90.72 ± 1.32	90.18 ± 0.88	90.43 ± 0.80
	ScSPM [12]	94.52 ± 0.44	96.37 ± 0.45	96.81 ± 0.50
	KSPM [2]	93.55 ± 0.31	93.76 ± 0.27	93.90 ± 0.19
140 training	PSDSPM	96.80 ± 0.75	96.52 ± 0.76	96.55 ± 0.84
	PSD [1]	88.75 ± 0.37	88.93 ± 0.45	87.98 ± 0.86
	ScSPM [12]	93.46 ± 0.55	95.68 ± 0.36	96.76 ± 0.63
	KSPM [2]	92.50 ± 1.12	93.06 ± 0.82	93.26 ± 0.68
70 training	PSDSPM	95.12 ± 0.54	95.13 ± 0.51	95.09 ± 0.40
	PSD [1]	87.56 ± 0.78	87.93 ± 0.67	87.13 ± 0.97
	ScSPM [12]	91.93 ± 1.00	93.67 ± 0.72	94.86 ± 0.86
	KSPM [2]	90.78 ± 0.98	91.34 ± 1.13	91.59 ± 0.97