Research Article

Improved Unsupervised Color Segmentation Using a Modified Color Model and a Bagging Procedure in -Means++ Algorithm

Table 8

Segmentation performance results for image “d” using GMM.

GMMCluster 1Cluster 2Cluster 3Cluster 4Metrics

Best BAcc.: 0.96009
Mean BAcc: 0.88859
Mean sen.: 0.80937
Mean spe.: 0.92209
Avg. time: 3.97900

nBest BAcc.: 0.94253
Mean BAcc: 0.75979
Mean sen.: 0.05137
Mean spe.: 0.98592
Avg. time: 5.96510

Best BAcc.: 0.96159
Mean BAcc: 0.89942
Mean sen.: 0.82844
Mean spe.: 0.92873
Avg. time: 3.47550

Best BAcc.: 0.97867
Mean BAcc: 0.82215
Mean sen.: 0.85910
Mean spe.: 0.81874
Avg. time: 1.8572

YCrCbBest BAcc.: 0.96228
Mean BAcc: 0.88119
Mean sen.: 0.79477
Mean spe.: 0.91842
Avg. time: 2.36320

CrCbBest BAcc.: 0.97951
Mean BAcc: 0.81375
Mean sen.: 0.85651
Mean spe.: 0.80762
Avg. time: 1.94140

Best BAcc.: 0.94228
Mean BAcc: 0.78670
Mean sen.: 0.41777
Mean spe.: 0.86373
Avg. time: 2.6595

Best BAcc.: 0.91606
Mean BAcc: 0.78668
Mean sen.: 0.41516
Mean spe.: 0.86913
Avg. time: 2.21520

OrigBest BAcc.: 0.94253
Mean BAcc: 0.78293
Mean sen.: 0.27400
Mean spe.: 0.93489
Avg. time: 2.0863