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Table 1 Performance of HPSB algorithm with different block length l

From: An efficient histogram-preserving steganography based on block

l PSNR (dB) ER DR EE
2 52.93 0.667 0.331 2.0162
3 53.18 0.750 0.313 2.4000
4 52.70 0.800 0.349 2.2931
5 52.77 0.833 0.343 2.4239
6 52.50 0.857 0.365 2.3462
7 52.53 0.875 0.363 2.4088
8 52.36 0.889 0.378 2.3515
9 52.37 0.900 0.377 2.3877
10 52.25 0.909 0.388 2.3444
11 52.25 0.917 0.387 2.3677
12 52.16 0.923 0.396 2.3334
13 52.16 0.929 0.395 2.3496
14 52.09 0.933 0.402 2.3213
15 52.09 0.938 0.402 2.3335