Table 7 Testing with additional images and compared with JPEG and JPEG2000
From: A novel high-frequency encoding algorithm for image compression
Image name | Our approach | JPEG Technique | JPEG2000 technique | ||||||
|---|---|---|---|---|---|---|---|---|---|
Compressed size (KB) | Bit rate/pixel | RMSE | Compressed size (KB) | Bit rate/pixel | RMSE | Compressed size (KB) | Bit rate/pixel | RMSE | |
Apples | 11.78 | 8.1e-06 | 5.08 | 21.2 | 1.47e-05 | 10.94 | 12 | 8.3e-06 | 3.03 |
Bananas | 12.44 | 8.6e-06 | 4.57 | 20.8 | 1.44e-05 | 10.7 | 13 | 9.02e-6 | 3.66 |
Billiard_balls_a | 19.91 | 1.38e-06 | 4.26 | 23.1 | 1.6e-05 | 11.51 | 20 | 1.38e-05 | 2.09 |
Building | 33.5 | 2.3e-05 | 5.55 | 36 | 2.5e-05 | 7.24 | 34 | 2.36e-05 | 3.23 |
Cards_a | 49.6 | 3.4e-05 | 9.33 | 54.8 | 3.8e-05 | 10.69 | 50 | 3.47e-05 | 7.6 |
Clips | 58.3 | 4.0e-05 | 9.56 | 59.4 | 4.15e-05 | 11.23 | 59.9 | 4.15e-05 | 5.67 |
Coins | 32.5 | 2.25e-05 | 9.01 | 33.4 | 2.31e-05 | 11.01 | 33 | 2.29e-05 | 6.8 |
Ducks | 16.4 | 1.14e-05 | 3.62 | 22 | 1.52e-05 | 10.58 | 17 | 1.18e-05 | 1.92 |
Flowers | 42.3 | 2.93-05 | 8.42 | 43.5 | 3.02e-05 | 9.85 | 43 | 2.98e-05 | 5.39 |
Guitar_fret | 19.47 | 1.34e-05 | 5.19 | 23.3 | 1.59e-05 | 12.2 | 20 | 1.38e-05 | 3.48 |