From: A novel high-frequency encoding algorithm for image compression
Image name | Original image size (MB) | Our approach | Our Approach | JPEG2000 | JPEG | ||
---|---|---|---|---|---|---|---|
Block size used by DCT | Compressed image size (KB) | Bit rate/Pixel | 2D RMSE | 2D RMSE | 2D RMSE | ||
X-ray | 0.588 | \( 8\times 8 \) | 10 | 1.66E-5 | 5.0 | 3.2 | 11.88 |
Eye | 9 | \( 64\times 64 \) | 14.2 | 4.51E-6 | 4.89 | 4.1 | 15.3 |
Girl | 2.25 | \( 16\times 16 \) | 21.2 | 2.69E-5 | 10.48 | 6.4 | 21.1 |
Cell | 8.5 | \( 64\times 64 \) | 9.8 | 3.26E-6 | 4.2 | 2.5 | 16 |
Baby | 3 | \( 32\times 32 \) | 18.3 | 1.74E-5 | 5.3 | 3.5 | 15.5 |