Research Article

Retinal Fundus Image Enhancement Using the Normalized Convolution and Noise Removing

Figure 2

The enhancement results of the retinal image with different . (a) Original image; (b) enhanced image with ; (c) enhanced image with ; (d) enhanced image with ; (e) enhanced image with ; (f) enhanced image with .
(a)
(b)
(c)
(d)
(e)
(f)