From: MEO based secured, robust, high capacity and perceptual quality image watermarking in DWT-SVD domain
# generations | Test cases for scale factor(K1) | Watermarked image Lena | Watermarked image peppers | Watermarked image lake | ||||||
---|---|---|---|---|---|---|---|---|---|---|
K1 | PSNR | NC | K1 | PSNR | NC | K1 | PSNR | NC | ||
#5 | Minimum K1 | 1.5443 | 79.8611 | 0.9728 | 1.4769 | 93.2853 | 0.9791 | 2.5227 | 87.8446 | 0.9773 |
Average K1 | 2.1957 | 65.4463 | 0.9890 | 2.2085 | 73.9911 | 0.9822 | 3.1875 | 73.0528 | 0.9808 | |
Maximum K1 | 4.4482 | 51.9741 | 1 | 4.4798 | 55.2266 | 1 | 4.8300 | 59.5709 | 1 | |
#10 | Minimum K1 | 1.5498 | 79.5746 | 0.9730 | 1.4769 | 87.2647 | 0.9796 | 2.5227 | 86.7532 | 0.9770 |
Average K1 | 3.3328 | 65.8698 | 0.9877 | 2.2085 | 70.7811 | 0.9838 | 3.1875 | 73.0528 | 0.9808 | |
Maximum K1 | 3.3328 | 50.9538 | 1 | 4.4798 | 53.4861 | 1 | 4.8300 | 60.3296 | 1 |