Table 1 Comparison of MSE and PSNR of the reconstructed images for different number of bits (N) ignored for row comparison
From: Implementation of computation-reduced DCT using a novel method
Sl.no. | Name of the image | N = 0 | N = 1 | N = 2 | N = 3 | N = 4 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
MSE | PSNR | MSE | PSNR | MSE | PSNR | MSE | PSNR | MSE | PSNR | ||
1 | Lena | 4.0e-28 | 321.941 | 0.1156 | 57.5 | 0.5805 | 50.493 | 3.029 | 42.958 | 16.1493 | 36.049 |
2 | Cameraman | 6.5e-28 | 319.962 | 0.0805 | 59.073 | 0.4055 | 52.051 | 1.9449 | 45.241 | 11.1596 | 37.654 |
3 | Rice | 3.5e-28 | 322.577 | 0.0653 | 59.983 | 0.4505 | 51.594 | 3.4139 | 42.798 | 17.4703 | 35.707 |
4 | Mandrill | 5.1e-28 | 321.013 | 0.0382 | 62.311 | 0.1977 | 55.171 | 2.1792 | 44.747 | 20.2722 | 35.019 |
5 | Pirate | 3.8e-28 | 322.261 | 0.0351 | 62.678 | 0.235 | 54.42 | 2.2731 | 44.564 | 17.2967 | 35.751 |
6 | Peppers | 4.0e-28 | 322.021 | 0.0486 | 61.262 | 0.3784 | 52.351 | 4.1263 | 41.975 | 21.7505 | 34.756 |