Meaningful Image Encryption Based on Reversible Data Hiding in Compressive Sensing Domain

Algorithm 2

Extract the Cipher image 1.

Input: the received Cipher image , the sparsity

Generate and

for

   ;

   ;

   if

      ;

    else

      ;

   end

   if

      ;

   end

   ;

 end

for

   s3 = dec2bin();

   s2 = dec2bin();

   s1 = dec2bin();

   s = bin2dec(strcat);

   ;

end

Output:   and