Research Article

An Extension of the Fuzzy Possibilistic Clustering Algorithm Using Type-2 Fuzzy Logic Techniques

Table 39

Results of the IT2XB validation index to the clustering of image shown in Figure 2(d) using IT2FPCM and IT2FCM algorithm with = [1.5, 2.5] and = [1.5, 2.5] as parameters.

Index validation IT2XB
ImageClustersIT2FPCMIT2FCM
DefuzzLowerUpperDefuzzLowerUpper

Figure 2(d)20.092270.064280.120260.092270.064280.12026
30.075390.044510.106260.075390.044510.10626
40.094920.050340.139510.094920.050340.13950
50.085230.041820.128640.085230.041820.12864
60.104380.047130.161640.104380.047130.16164
70.091270.040100.142440.091260.040100.14243
80.108930.045700.172170.108970.045710.17223
90.105840.043430.168250.105320.043260.16738
100.103430.041090.165770.103470.041110.16584