Research Article
Digital Image Steganography Using Eight-Directional PVD against RS Analysis and PDH Analysis
Table 5
Results of proposed eight-directional PVD technique.
| Images 512×512×3 | Proposed, type 1 (t=3, Range Table 1) | Proposed, type 2 (t=4, Range Table 2) | PSNR | Capacity | Q | BPB | PSNR | Capacity | Q | BPB |
| Pot | 41.15 | 2354240 | 0.9996 | 2.99 | 37.11 | 2475977 | 0.9988 | 3.15 | House | 39.69 | 2358575 | 0.9988 | 3.00 | 38.39 | 2625804 | 0.9984 | 3.34 | Boat | 37.25 | 2364685 | 0.9987 | 3.01 | 34.08 | 2659795 | 0.9973 | 3.38 | Jet | 42.21 | 2356828 | 0.9989 | 3.00 | 40.38 | 2538801 | 0.9985 | 3.23 | Peppers | 37.81 | 2356645 | 0.9988 | 3.00 | 34.69 | 2544392 | 0.9975 | 3.24 | Tiffany | 41.46 | 2353505 | 0.9987 | 2.99 | 40.53 | 2511139 | 0.9984 | 3.19 | Baboon | 34.26 | 2392573 | 0.9961 | 3.04 | 32.09 | 2939376 | 0.9937 | 3.74 | Lena | 42.62 | 2353892 | 0.9995 | 2.99 | 40.48 | 2533551 | 0.9992 | 3.22 | Average | 39.55 | 2361368 | 0.9986 | 3.00 | 37.22 | 2603604 | 0.9977 | 3.31 |
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