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Hello, please help me, I want to implement the Local contrast enhancement technique for Diabetic retinopathy images. How can i implement the sigmoid function SF =1/ {1 + exp(meanover Window - pixel of the input image)/variance of the Window)}
clc; clearvars; close all; I=imread('image015.png'); I = rgb2hsv(I); Iv = I(:,:,3); figure, imshow(Iv) stdImage = std...
7 years ago | 0 answers | 0
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Shade correction of fundus image
For correcting the non nonuniform illumination of the green channel fundus image it is first median filtered (mask = 35*35) to g...
9 years ago | 0 answers | 1
