ia m trying to zigzagscan lena image am not getting its inverse

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juveria fatima
juveria fatima on 2 Apr 2018
Commented: juveria fatima on 2 Apr 2018
i am using this code
https://in.mathworks.com/matlabcentral/fileexchange/15317-zigzag-scan
am not getting the exact inverse
A= imread('lena1.jpg');
in= A(:,:,1);
output_zigzag = zigzag(in);
vmax = size(in, 1);
hmax = size(in, 2);
output_izigzag = uint8(izigzag(in, vmax, hmax));
please help me out in getting the zigzag inverse

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