Detection of Diabetic Retinopathy Using Bichannel Convolutional Neural Network

Table 1

Performance comparison of various input images of the CNN for referable DR.

Input images of the CNN	Accuracy (%)	Sensitivity (%)	Specificity (%)
Original photograph [18]	81.80	68.36	89.87
Entropy image of the gray level [18]	86.10	73.24	93.81
Entropy image of the green component	87.27	76.70	93.07
Bichannel, entropy images (gray and green)	87.37	76.93	93.57
Entropy images of unsharp masking gray level	86.87	75.09	93.86
Entropy image of unsharp masking green component	87.41	76.75	93.28
Bichannel, entropy images (unsharp masking gray level and green component)	87.83	77.81	93.88