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

Figure 8

Analysis of a retina with circinate.

(a) Original retina image with circinate

(b) HH1 subimage

(c) HH2 subimage

(d) Gabor filtered HH1 at 𝑓=2 and 𝜃=𝜋/4

(e) Gabor filtered HH2 at 𝑓=2 and 𝜃=𝜋/4