Research Article
Stego on FPGA: An IWT Approach
Table 3
Comparison of MSE and PSNR values of adaptive IWT approach with the spatial data hiding approach.
| Cover image | Method | ā | MSE | PSNR | MSE | PSNR | MSE | PSNR | ā | | | |
| LENA | IWT HH, HL, LH | R | 0.0417 | 61.9329 | 0.0781 | 59.2024 | 0.2448 | 54.2426 | G | 0.0521 | 60.9638 | 0.1094 | 57.7416 | 0.3538 | 52.6432 | B | 0.0313 | 63.1823 | 0.1146 | 57.5396 | 0.2966 | 53.4090 | Moore | R | 0.3945 | 52.1703 | 3.1057 | 43.2092 | 4.0354 | 40.3233 | G | 0.2143 | 54.8207 | 0.9307 | 48.4427 | 3.8205 | 42.3096 | B | 0.3424 | 52.7854 | 1.0490 | 47.9232 | 4.5052 | 41.5936 | Hilbert | R | 0.2541 | 54.0806 | 2.4028 | 44.3236 | 5.7147 | 40.5613 | G | 0.2527 | 54.1043 | 0.9184 | 48.5007 | 4.6304 | 41.4746 | B | 0.4841 | 51.2815 | 0.8955 | 48.6100 | 5.3166 | 40.8745 | AR | R | 0.2524 | 54.0954 | 1.0687 | 47.8424 | 3.7331 | 42.4101 | G | 0.2139 | 54.8285 | 0.8689 | 48.7409 | 3.7019 | 42.4466 | B | 0.1664 | 55.9197 | 0.8599 | 48.7864 | 3.9633 | 42.1503 |
| BABOON | IWT HH, HL, LH | R | 0.0417 | 61.9329 | 0.1094 | 57.7416 | 0.3490 | 52.7031 | G | 0.0521 | 61.9638 | 0.0885 | 58.6593 | 0.4567 | 51.5344 | B | 0.0521 | 61.9638 | 0.7965 | 49.1189 | 0.9244 | 48.4722 | Moore | R | 0.4244 | 51.8535 | 2.4705 | 44.2093 | 5.3617 | 40.2543 | G | 0.8569 | 48.8014 | 1.5601 | 46.1993 | 4.2309 | 41.8665 | B | 0.6943 | 49.7155 | 0.9703 | 48.2619 | 4.1827 | 41.9163 | Hilbert | R | 0.6796 | 49.8082 | 2.2251 | 44.6574 | 4.8661 | 41.2589 | G | 0.8629 | 48.7711 | 1.3373 | 46.8684 | 4.5632 | 41.5381 | B | 0.2593 | 53.9935 | 0.9038 | 48.5698 | 4.9245 | 41.2071 | AR | R | 0.2978 | 53.3920 | 1.0556 | 47.8960 | 3.7609 | 42.3778 | G | 0.1864 | 55.4273 | 0.8581 | 48.7954 | 3.6576 | 42.4984 | B | 0.1673 | 55.8970 | 0.8510 | 48.8313 | 4.0222 | 42.0862 |
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