Table 3 Visual quality metrics of watermarked RGB color image vs. host RGB color image
From: A novel secured Euclidean space points algorithm for blind spatial image watermarking
Bit position | RED frame | Green frame | Blue frame | ||||||
|---|---|---|---|---|---|---|---|---|---|
PSNR | SSIM | BRISQUE SCORE | PSNR | SSIM | BRISQUE SCORE | PSNR | SSIM | BRISQUE SCORE | |
1 | 73.91305 | 0.999999 | 3.652574 | 74.00604 | 0.999999 | 3.597931 | 73.93401 | 0.999999 | 3.662823 |
2 | 65.35526 | 0.999993 | 3.586746 | 65.48183 | 0.999995 | 3.544996 | 65.46446 | 0.999992 | 3.664936 |
3 | 58.45532 | 0.999966 | 3.594456 | 58.55183 | 0.999978 | 3.634625 | 58.52115 | 0.99996 | 3.599459 |
4 | 51.78935 | 0.999843 | 3.740193 | 52.06685 | 0.999902 | 4.336954 | 52.05295 | 0.999826 | 3.560328 |
5 | 45.51489 | 0.999335 | 4.745294 | 45.49001 | 0.999561 | 14.70399 | 45.76401 | 0.999265 | 3.685718 |
6 | 40.17327 | 0.9978 | 12.07964 | 39.2699 | 0.998131 | 28.00677 | 40.20428 | 0.997251 | 3.973584 |
7 | 34.64999 | 0.992523 | 26.86326 | 33.29469 | 0.993253 | 30.57064 | 34.81314 | 0.991155 | 7.408062 |
8 | 28.90179 | 0.97698 | 30.67823 | 27.81095 | 0.978214 | 30.27701 | 28.02154 | 0.968886 | 23.11204 |