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Table 3 Comparison of the proposed method with other methods in terms of average PSNRs (dB) with fixed embedding rates (bpp). The best result for each image is presented in italics

From: A general framework for shiftable position-based dual-image reversible data hiding

Image

Embedding rate α

Lu et al. [31]

Yao et al. [32]

Jafar et al. [28]

Proposed

Lena

1.20

47.33

47.51

48.75

48.71

1.60

41.70

41.75

n/a

45.34

2.20

35.35

35.40

n/a

38.86

Baboon

1.20

47.33

47.52

48.74

48.72

1.60

41.70

41.75

n/a

45.34

2.20

35.36

35.39

n/a

38.85

Barbara

1.20

47.34

47.52

48.74

48.72

1.60

41.70

41.78

n/a

45.33

2.20

35.36

35.40

n/a

38.86

Goldhill

1.20

47.33

47.51

48.74

48.71

1.60

41.70

41.75

n/a

45.34

2.20

35.34

35.38

n/a

38.87