Table. 2 CR and PSNR values obtained for DB2 (codebook size = 256)
From: Lossy image compression based on prediction error and vector quantisation
Image | PSNR | ||||
|---|---|---|---|---|---|
10:1 | 20:1 | 40:1 | 60:1 | 80:1 | |
African People | 49.88 | 47.39 | 44.54 | 41.42 | 38.11 |
Beach | 52.26 | 49.65 | 46.67 | 43.40 | 39.93 |
Building | 48.46 | 46.04 | 43.27 | 40.25 | 37.03 |
Bus | 51.17 | 48.61 | 45.69 | 42.50 | 39.10 |
Dinosaur | 54.96 | 52.21 | 49.08 | 45.64 | 41.99 |
Elephants | 51.09 | 48.54 | 45.62 | 42.43 | 39.04 |
Flower | 50.92 | 48.37 | 45.47 | 42.29 | 38.91 |
Horse | 49.86 | 47.37 | 44.52 | 41.41 | 38.10 |
Mountain | 51.41 | 48.84 | 45.91 | 42.70 | 39.28 |
Food | 50.62 | 48.09 | 45.20 | 42.04 | 38.68 |
Average = | 51.06 | 48.51 | 45.60 | 42.41 | 39.01 |