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Table 2 The PSNR comparison of different methods with ER = 1.5 bpp

From: High capacity data hiding scheme based on (7, 4) Hamming code

  Lena Baboon Man Tiffany Peppers Boat Jet Sailboat Splash
Matrix encoding 39.90 39.92 39.92 39.93 39.92 39.94 39.93 39.93 39.88
Nearest code 39.90 39.91 39.92 39.93 39.91 39.94 39.93 39.93 39.88
Hamming+1 33.08 33.10 32.73 32.77 33.04 33.05 33.08 33.09 33.01
Proposed scheme 46.37 46.37 46.37 46.38 46.37 46.36 46.38 46.37 46.37