Table 3: Statistical information about the best class number for the simulated phantom data set, tumour 1.

CN SNR CP

1 1.003849 0.250000 4.015396 0.409114
2 16.288944 6.399162 2.545480 0.247941
3 26.890255 9.694972 2.773628 0.197655
4 48.774962 18.579216 2.625243 0.120429
5 137.468019 57.911212 2.373772 0.024862