Table 5
Performance of Image Compression Algorithms

                               DE-1 Images
Truncation RMS Error Compression Factor (Counts/Pixel) (Counts/Pixel)
± 1 0.51 ± 0.03 2.3 ± 0.5 ± 2 0.85 ± 0.10 2.9 ± 0.7 ± 3 1.15 ± 0.18 3.5 ± 0.7 ± 4 1.43 ± 0.33 4.1 ± 0.7 ± 5 1.62 ± 0.34 5.5 ± 0.8 DMSP Images
Truncation RMS Error Compression Factor (Counts/Pixel) (Counts/Pixel)
± 1 0.63 ± 0.02 3.2 ± 0.7 ± 2 1.00 ± 0.05 4.5 ± 1.2 ± 3 1.21 ± 0.13 5.7 ± 1.6 ± 4 1.32 ± 0.22 6.5 +1.5/-1.6 ± 5 1.37 ± 0.27 7.1 +0.9/-1.6