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Table 3 PSNR (dB) of the information embedded image

From: Blind data hiding technique using the Fresnelet transform

Information embedded images (512 × 512) USAF (256 × 256)
Scaling factor (α)
DDNT (256 × 256)
Scaling factor (α)
0.03 0.04 0.05 0.06 0.07 0.03 0.04 0.05 0.06 0.07
Camerman 38.99 37.57 36.24 35.03 33.94 39.60 38.35 37.15 36.03 35.00
Pepper 40.92 38.85 37.14 35.68 34.42 41.89 39.94 38.29 36.88 35.64
Elaine 32.67 32.29 31.85 31.36 30.85 32.80 32.51 32.16 31.77 31.35
Lena 33.97 33.46 32.90 31.66 32.29 34.14 33.75 33.30 32.80 32.27