Table 4 Comparison results on PSNR between the recovered image and plain image.

From: Exploiting high-quality reconstruction image encryption strategy by optimized orthogonal compressive sensing

Algorithms

Compression ratio

0.25

0.5

0.75

Ours

32.7133

39.5172

42.3821

50

–

23.3608

34.7149

51

32.3566

36.1892

37.4529

52

30.1022

36.8294

41.2933

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