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Md.Simul Hasan Talukder


KUET,Bangladesh

Last seen: bijna 3 jaar ago |  Active since 2018

Followers: 0   Following: 0

Simul Hasan Talukder
student of KUET
Khulna ,Bangladesh

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image splitting: what is the logic behind the following code? I need explanation.
v = imread('embedded.jpg'); [s1 s2 s3] = size(v); i = 1; j = 1; in = 0; cond = true; while (cond) img = v(i:i+(s1/4)...

bijna 3 jaar ago | 1 answer | 0

1

answer

Question


what is the meaning of this code?
for i = 0:3 for j = 0:3 temp = imread(strcat('output/img', num2str(4*i + j), '.tif')); if j == 0 ...

bijna 6 jaar ago | 2 answers | 0

2

answers

Question


what is the meaning of following code?
temp = imread(strcat('output/img', num2str(4*i + j), '.tif'));

bijna 6 jaar ago | 1 answer | 0

1

answer

Question


what is the meaning of code?
i=1;j=1; secret_img(i, j) = floor(secret_img(i, j)/2);

bijna 6 jaar ago | 1 answer | 0

1

answer

Question


what is the meaning
val = [double(text) 0];

bijna 6 jaar ago | 1 answer | 0

1

answer

Question


explain any one,plz
function [newimg] = embedding(cov_img, secret_img) %%Embedding image inside images size_sec = size(secret_img); secret1d = re...

bijna 6 jaar ago | 0 answers | 0

0

answers

Question


plz,explain the code.
function [secret_img] = lsbstego(secret_img, text) %% Data Hiding secret_img=double(secret_img); val = [double(text) 0]; %Cov...

bijna 6 jaar ago | 0 answers | 0

0

answers

Question


what is the meaning of following code?
function [s_box_out] = s_box_fun(s_box_in) rw = size(s_box_in, 1); cl = size(s_box_in, 2); s_box_in = reshape(s_box_in', ...

bijna 6 jaar ago | 1 answer | 0

1

answer

Question


what is the meaning of following code?
function [shift_rows_out] = shift_rows_fun (shift_rows_in) idx = [1 2 3 4 6 7 8 5 11 12 9 10 16 13 14 15]; shift_rows_out ...

bijna 6 jaar ago | 2 answers | 0

2

answers

Question


what is the meaning of following code?
s_box_table = [ 99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,118 ... 202,130,201,125,250,89,71,240,17...

bijna 6 jaar ago | 1 answer | 0

1

answer

Question


How can i encrypt image by xoring?
How can i encrypt image by xoring?

ongeveer 6 jaar ago | 1 answer | 0

1

answer