Friday, 18 December 2015

How to enhance contrast of image using histogram equalization in MATLAB?


Ans=> To enhance contrast using histogram equalization we have to use the syntax “histeq”...An example is given below for reference...

a=imread('cameraman.tif');        %reading an image
b=histeq(a);                      %taking complement
figure,                           %opening figure window
subplot(1,2,1),subimage(a);title('original image');              %display gray image
subplot(1,2,2),subimage(b);title('hist equalized image');        %display histeq 
 image



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