Cover image name | α = 1, β = 1 | α = 1, β = 2 | ||||||
EC (bits) | ER (bpp) | SSIM | PSNR (dB) | EC (bits) | ER (bpp) | SSIM | PSNR (dB) | |
Panel a | ||||||||
Lena | 667,947 | 2.548 | 0.9943 | 39.26 | 799,802 | 3.051 | 0.9912 | 38.11 |
Peppers | 665,818 | 2.530 | 0.9944 | 38.58 | 797,937 | 3.044 | 0.9919 | 37.57 |
Boat | 674,691 | 2.574 | 0.9938 | 37.32 | 806,296 | 3.076 | 0.9918 | 36.63 |
Jet | 665,409 | 2.538 | 0.9929 | 38.28 | 796,637 | 3.039 | 0.9883 | 37.48 |
Splash | 658,841 | 2.513 | 0.9914 | 38.16 | 790,046 | 3.014 | 0.9861 | 37.32 |
Baboon | 699,727 | 2.669 | 0.9956 | 35.97 | 831,709 | 3.173 | 0.9946 | 35.43 |
Tiffany | 665,562 | 2.539 | 0.9924 | 39.29 | 796,903 | 3.040 | 0.9924 | 38.25 |
Elaine | 669,477 | 2.554 | 0.9947 | 39.68 | 801,186 | 3.056 | 0.9927 | 38.54 |
Couple | 675,311 | 2.576 | 0.9952 | 37.97 | 806,691 | 3.077 | 0.9934 | 37.14 |
Average | 671,420 | 2.560 | 0.9939 | 38.28 | 803,023 | 3.063 | 0.9914 | 37.39 |
Cover image name | α = 1, β = 3 | α = 2, β = 1 | ||||||
EC (bits) | ER (bpp) | SSIM | PSNR(dB) | EC (bits) | ER (bpp) | SSIM | PSNR (dB) | |
Panel b | ||||||||
Lena | 935,756 | 3.570 | 0.9808 | 35.35 | 799,796 | 3.051 | 0.9912 | 38.15 |
Peppers | 934,567 | 3.565 | 0.9825 | 35.12 | 797,927 | 3.044 | 0.9917 | 37.59 |
Boat | 940,248 | 3.587 | 0.9847 | 34.55 | 806,216 | 3.075 | 0.9919 | 36.61 |
Jet | 928,517 | 3.542 | 0.9706 | 35.05 | 796,643 | 3.039 | 0.9882 | 37.45 |
Splash | 921,817 | 3.516 | 0.9683 | 34.95 | 790,005 | 3.014 | 0.9861 | 37.29 |
Baboon | 960,037 | 3.662 | 0.9907 | 33.79 | 831,288 | 3.171 | 0.9946 | 35.46 |
Tiffany | 929,241 | 3.545 | 0.9746 | 35.54 | 796,893 | 3.040 | 0.9883 | 38.25 |
Elaine | 935,520 | 3.569 | 0.9854 | 35.69 | 801,306 | 3.057 | 0.9926 | 38.51 |
Couple | 939,471 | 3.584 | 0.9873 | 34.94 | 806,727 | 3.077 | 0.9935 | 37.10 |
Average | 936,130 | 3.571 | 0.9805 | 35.00 | 802,978 | 3.063 | 0.9909 | 37.38 |
Cover image name | α = 2, β = 2 | α = 3, β = 1 | ||||||
EC (bits) | ER (bpp) | SSIM | PSNR (dB) | EC (bits) | ER (bpp) | SSIM | PSNR (dB) | |
Panel c | ||||||||
Lena | 935,830 | 3.570 | 0.9808 | 35.39 | 935,721 | 3.569 | 0.9807 | 35.38 |
Peppers | 930,307 | 3.549 | 0.9826 | 35.24 | 930,439 | 3.549 | 0.9825 | 35.23 |
Boat | 940,185 | 3.587 | 0.9843 | 34.55 | 940,190 | 3.587 | 0.9846 | 34.59 |
Jet | 928,554 | 3.542 | 0.9701 | 35.02 | 928,518 | 3.542 | 0.9705 | 35.02 |
Splash | 921,888 | 3.517 | 0.9685 | 34.96 | 921,880 | 3.517 | 0.9686 | 34.96 |
Baboon | 960,035 | 3.662 | 0.9908 | 33.84 | 964,208 | 3.678 | 0.9908 | 33.78 |
Tiffany | 929,242 | 3.545 | 0.9746 | 35.53 | 929,185 | 3.545 | 0.9746 | 35.33 |
Elaine | 935,455 | 3.568 | 0.9854 | 35.68 | 935,387 | 3.568 | 0.9853 | 35.69 |
Couple | 939,466 | 3.584 | 0.9873 | 34.87 | 939,535 | 3.584 | 0.9873 | 34.88 |
Average | 935,662 | 3.569 | 0.9805 | 35.01 | 936,118 | 3.571 | 0.9805 | 34.98 |