Research Article

Hybrid Discrete Wavelet Transform and Gabor Filter Banks Processing for Features Extraction from Biomedical Images

Table 3

SVM classification sensitivity as a function of feature extraction method and level of DWT decomposition*.

DWTDWT-GaborDWTDWT-Gabor

Decomposition levelOneOneTwoTwo
Mammograms94.14% ( 0.06)93.33% (±0.06)90.29% (±0.039)89.78% (±0.04)
Retina100%100%100%100%
Brain MRI93.84% (±0.00)82.51% (±0.16)100%53.84% (±0.23)

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