Retinal Fundus Image Enhancement Using the Normalized Convolution and Noise Removing

Table 1

The comparison of CII and with different methods on the image shown in Figure 3(a).

Evaluation measures	HE	CLAHE	Method in [7]	Method in [9]	The proposed method
CII	2.3981	3.0866	4.1526	5.4816	6.9785
	0.5406	0.7402	0.4453	0.7094	0.4523