Research Article

Application of Principal Component Analysis in Automatic Localization of Optic Disc and Fovea in Retinal Images

Figure 12

Euclidian distance map (a) of the input image (b). First four minima (contained in a square box with white boundary) in the distance map are indicated in (b).
989712.fig.0012a
(a)
989712.fig.0012b
(b)