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Table 3 Comparison among four methods in terms of PSNR and maximum ER

From: Adaptive and separable multiary reversible data hiding in encryption domain

MethodParameter settingLenaCoupleBoatManPeppersBaboon
PSNR (dB)ER (bpp)PSNR (dB)ER (bpp)PSNR (dB)ER (bpp)PSNR (dB)ER (bpp)PSNR (dB)ER (bpp)PSNR (dB)ER (bpp)
Li et al. (2018)T = 151.170.33849.830.22448.360.56050.770.58650.200.260n/an/a
Xu and Su (2019)β = 031.550.22128.060.15529.270.15429.970.19427.360.19624.800.078
β = 130.880.37727.220.27928.720.27229.380.34025.380.34224.470.144
Xu and Wang (2016)Tn =  − 1
Tp = 0
49.990.17649.880.10949.860.14749.770.12449.830.14149.580.056
Tn =  − 1
Tp = 1
45.980.27946.290.16445.830.22345.880.17145.850.20045.600.083
Tn =  − 2
Tp = 1
44.880.34543.980.21345.860.26644.150.21344.230.25243.840.103
ProposedQ = 258.680.17660.700.11160.730.11159.170.15859.510.14663.650.056
Q = 353.460.27955.490.17655.520.17553.940.25054.280.23158.430.089
Q = 450.240.35252.270.22252.300.22150.740.31651.070.29255.190.113
  1. n/a not available