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Table 1 Ratio (%) comparison before and after embedding

From: Steganalysis of JSteg algorithm using hypothesis testing theory

  Inspected images index
  No.1 No.2 No.3 No.4 No.5 No.6 No.7 No.8 No.9 No.10 On average
Cover channel selection ratio 0.23 0.17 0.56 0.61 0.21 0.03 0.87 0.41 1.23 0.33 0.63
Stego channel selection ratio 0.23 0.17 0.56 0.62 0.21 0.04 0.88 0.42 1.22 0.34 0.64
Cover DCT coefs. std 0.98 1.01 1.06 1.03 0.90 1.07 1.02 0.93 1.26 1.03 7.45
Stego DCT coefs. std 0.98 1.00 1.06 1.03 0.89 1.07 1.03 0.90 1.27 1.03 7.52
Cover JSteg selection ratio 1.12 0.81 2.46 2.49 0.80 0.08 5.07 2.42 7.56 0.34 1.44
Stego JSteg selection ratio 4.48 2.85 7.63 7.60 2.27 1.07 17.1 7.92 20.5 1.04 4.95
Cover and stego selection similarity 89.5 91.5 94.2 93.0 80.7 80.7 93.9 93.7 93.3 93.9 92.8