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Table 4 PSNR [dB] and embedded bits (DCT coefficient)

From: Fragile watermarking based on incomplete cryptography for copyright protection

Method Image P C P Emb. [bit] α
YDCT Title 31.84 27.80 31.75 1024 0
  Lenna 32.37 26.93 32.32 1024 0
  Girl 32.71 26.65 32.63 1024 0
  Airplane 30.20 25.16 30.17 1024 0
  Parrots 34.25 27.98 34.16 1024 0
  Couple 34.06 25.77 33.96 1024 0
  Milkdrop 31.94 27.36 31.88 1024 0
  Mandrill 24.96 23.57 24.95 1024 0
  Lighthouse 32.67 27.59 32.59 1024 0
  Pepper 28.81 25.69 28.78 1024 0
  Party 35.16 27.85 35.05 49152 0
  Picnic 34.39 27.61 34.28 49152 0
  Portrait 35.99 27.58 35.86 49152 0
UVDCT Title 31.84 26.72 31.71 512 0
  Lenna 32.37 27.48 32.65 512 0
  Girl 32.71 24.40 32.57 512 0
  Airplane 30.19 24.42 30.12 512 0
  Parrots 34.25 24.16 34.03 512 0
  Couple 34.06 19.07 33.85 512 0
  Milkdrop 31.94 27.51 31.81 512 0
  Mandrill 24.96 21.03 24.93 512 0
  Lighthouse 32.67 26.68 32.62 512 0
  Pepper 28.81 24.78 28.73 512 0
  Party 35.16 16.87 34.91 24576 0
  Picnic 34.39 20.39 34.17 24576 0
  Portrait 35.99 15.47 35.69 24576 0
YUVD Title 31.84 26.80 31.74 1536 0
  Lenna 32.37 24.11 32.19 1536 0
  Girl 32.71 23.01 32.49 1536 0
  Airplane 30.20 22.19 30.09 1536 0
  Parrots 34.25 22.93 33.92 1536 0
  Couple 34.06 17.72 33.75 1536 0
  Milkdrop 31.94 24.65 31.75 1536 0
  Mandrill 24.96 20.35 24.92 1536 0
  Lighthouse 32.67 27.58 32.60 1536 0
  Pepper 28.81 23.75 28.71 1536 0
  Party 35.16 16.56 34.82 73728 0
  Picnic 34.39 19.19 34.05 73728 0
  Portrait 35.99 15.17 35. 73728 0
YADC Title 31.84 28.33 31.60 4592 3
  Lenna 32.37 28.52 32.19 5156 3
  Girl 32.71 26.94 32.49 4975 3
  Airplane 30.20 26.09 30.11 4973 3
  Parrots 34.25 29.74 33.93 4872 3
  Couple 34.06 25.69 33.76 4756 3
  Milkdrop 31.94 27.69 31.72 4819 3
  Mandrill 24.96 24.40 24.92 5738 3
  Lighthouse 32.67 27.99 32.44 4935 3
  Pepper 28.81 26.70 28.72 5397 3
  Party 35.16 28.32 34.83 172976 3
  Picnic 34.39 27.94 34.08 211230 3
  Portrait 35.99 28.19 35.67 183472 3
ADCT Title 31.84 28.33 31.60 4592 3
  Lenna 32.37 27.03 31.54 7015 3
  Girl 32.71 26.79 31.88 6507 3
  Airplane 30.20 25.99 29.77 6404 3
  Parrots 34.25 28.26 32.96 6702 3
  Couple 34.06 25.65 33.11 6082 3
  Milkdrop 31.94 25.29 31.14 6543 3
  Mandrill 24.96 23.96 24.76 7920 3
  Lighthouse 32.67 27.99 32.44 4935 3
  Pepper 28.81 25.26 28.34 7716 3
  Party 35.16 27.97 34.18 220517 3
  Picnic 34.39 27.35 33.33 273189 3
  Portrait 35.99 28.01 35.96 183472 3