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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