Research Article
Diabetic Retinopathy Detection Using Local Extrema Quantized Haralick Features with Long Short-Term Memory Network
Figure 6
(a) Green channel of a retina fundus image after being preprocessed with adaptive histogram equalization. (b) Quantized version of (a) using and global extrema . (c) The same quantization level with (b) but with localized to a ROI containing hard exudate.
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