Research Article
Two-Layer Fragile Watermarking Method Secured with Chaotic Map for Authentication of Digital Holy Quran
Table 7
SSIM results of proposed watermarking method.
| | # | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| | JPEG | | 001 | 0.905 | 0.900 | 0.946 | 0.966 | 0.985 | 0.992 | 0.997 | 0.998 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 003 | 0.925 | 0.924 | 0.959 | 0.974 | 0.990 | 0.994 | 0.998 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 050 | 0.932 | 0.930 | 0.962 | 0.976 | 0.990 | 0.995 | 0.998 | 0.999 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 601 | 0.928 | 0.925 | 0.959 | 0.974 | 0.989 | 0.994 | 0.998 | 0.999 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
| | PNG | | 001 | 0.992 | 0.988 | 0.995 | 0.996 | 0.998 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 003 | 0.990 | 0.987 | 0.993 | 0.995 | 0.998 | 0.999 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 050 | 0.989 | 0.986 | 0.993 | 0.995 | 0.998 | 0.999 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | | 601 | 0.989 | 0.983 | 0.992 | 0.995 | 0.998 | 0.999 | 0.999 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
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