Table 2: PSNR and bpp comparisons of NMI, INP, CRS and proposed methods on stego- and interpolated images.
Method NMI[3] INP[4] CRS[10] Proposed Method
Image PSNR BPP PSNR BPP PSNR BPP PSNR BPP
Lena 34.8 1.12 34.27 1.27 32.99 1.62 36.09 2.98
Baboon 30.32 2.08 29.8 2.13 29.72 2.5 35.63 2.98
Jet 33.05 1.05 32.64 1.19 31.58 1.51 36.09 2.98
Peppers 34.23 1.11 33.68 1.26 33.41 1.53 36.09 2.98
Scene 31.35 1.44 30.86 1.55 30.13 1.88 35.68 2.98
Tiffany 37.78 0.93 37.15 1.09 35.99 1.37 36.09 2.98