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Table 4 Performance comparison of HPSB and HPS

From: An efficient histogram-preserving steganography based on block

Image ID

PSNR

Histogram distortion

Relative entropy

HPS

HPSB

HPS

HPSB

HPS

HPSB

1

51.14

52.54

1172

282

0.000589

0.000093

2

51.14

52.53

786

360

0.000117

0.000080

3

51.14

52.53

618

374

0.000126

0.000059

4

51.14

52.53

952

384

0.000197

0.000097

5

51.15

52.52

602

320

0.000154

0.000055

6

51.16

52.54

752

388

0.000057

0.000029