Table 1 Performance metrics of integer wavelet transform and singular value decomposition.
Transform | Cover image | Secret image | MSE | RMSE | BER | R | IF | AAD | NAD |
---|---|---|---|---|---|---|---|---|---|
DFT | DFT | DFT | 614.784 | 24.7948 | 0.9995 | 0.9966 | 0.9667 | 24.5483 | 0.1901 |
DCT | DCT | DCT | 610.227 | 24.7948 | 0.9994 | 0.9969 | 0.9679 | 24.1278 | 0.1868 |
DWT | 2L-DWT | DWT | 156.9921 | 12.5296 | 0.9999 | 0.9588 | 0.9915 | 12.4125 | 0.0961 |
LWT | 2L-LWT | LWT | 152.0122 | 12.3293 | 0.9962 | 0.96 | 0.9918 | 9.1226 | 0.0706 |
IWT | 2L-IWT | IWT | 15.1628 | 3.8939 | 0.8505 | 0.9958 | 0.9992 | 2.8192 | 0.0218 |
DWT + DFT | 2L-DWT + DFT | DWT + DFT | 156.9921 | 12.5296 | 0.9999 | 0.9599 | 0.9918 | 12.2353 | 0.0947 |
DWT + DCT | 2L-DWT + DCT | DWT + DCT | 152.3449 | 12.3428 | 0.9999 | 0.9599 | 0.9918 | 12.2353 | 0.0947 |
DWT + SVD | 2L-DWT + SVD | DWT + SVD | 152.3449 | 12.3428 | 0.8776 | 0.9611 | 0.9918 | 6.8095 | 0.0527 |
LWT + DCT | 2L-LWT + DCT | LWT + DCT | 151.9686 | 12.3276 | 0.9962 | 0.96 | 0.9918 | 4.5585 | 0.0353 |
LWT + SVD | 2L-LWT + SVD | LWT + SVD | 151.0817 | 12.2915 | 0.7471 | 0.9683 | 0.9934 | 2.453 | 0.019 |
IWT + DCT | 2L-IWT + DCT | IWT + DCT | 15.1508 | 3.8924 | 0.8056 | 0.9958 | 0.9992 | 1.4007 | 0.0108 |
IWT + SVD | 2L-IWT + SVD | IWT + SVD | 13.731 | 3.7055 | 0.747 | 0.9962 | 0.9993 | 0.9931 | 0.0077 |
IWT + SVD (Proposed) | 2L-IWT_SVD | SVD | 9.6698 | 3.1096 | 0.7205 | 0.9973 | 0.9995 | 0.9798 | 0.0076 |