Research Article
High-Capacity Reversible Data Hiding in Encrypted Images by Information Preprocessing
Table 3
Comparisons between [
13,
14,
19,
22,
25] and our study.
| Test image | Methods | Embedding rate (bpp) | PSNR (dB) |
| Lena | [13] | 0.7556 | 38.38 | [22] | 0.1563 | | [25] | 0.4 | 30.01 | [14] | 0.0667 | 55.56 | [19] | 0.9641 | | Ours (bitstream) | 1.4483 | |
| Airplane | [13] | 0.95 | 42.22 | [22] | 0.1563 | 60.17 | [25] | 0.3722 | 30.01 | [14] | 0.05 | 55.56 | [19] | 0.9889 | | Ours (bitstream) | 1.4833 | |
| Lake | [22] | 0.1563 | 54.84 | [19] | 0.9839 | | Ours (bitstream) | 1.4762 | |
| Baboon | [22] | 0.1563 | 40.57 | [19] | 0.7478 | | Ours (bitstream) | 1.1217 | |
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