Computational and Mathematical Methods in Medicine

Research Article

Diabetic Retinopathy Grading by Digital Curvelet Transform

Figure 3

(a) The original FFA image, (b) FFA image after CLAHE, (c) the original color image, (d) the color image after CLAHE.
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(a)
761901.fig.003b
(b)
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(c)
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(d)