Table 2: SVM classification specificity as a function of feature extraction method and level of DWT decomposition*.

DWTDWT-GaborDWTDWT-Gabor

Decomposition levelOneOneTwoTwo
Mammograms97.81% ( 0.02)100%88.85% (±0.05)92.09% (±0.06)
Retina6.81% (±0.04)100%2.32% (±0.10)100%
Brain MRI21.55% (±0.01)99.58% (±0.01)0%97.24% (±0.01)

Tenfold cross-validation used for mammograms and retina images, leave-one-out used for brain MRIs.