Gamma Correction Code

clc

clear all

A = imread('a.bmp');

[row,col] = size(A);

gemma = zeros(row,col);

n=input('enter the value of bit');

for x=1:row

    for y=1:col

        gemma(x,y)=A(x,y);

        gemma(x,y)=power(gemma(x,y),n);

    end

end

gemma=gemma/255;

imwrite(gemma,'2.0.bmp','bmp');