Research Article
An Image Filter Based on Shearlet Transformation and Particle Swarm Optimization Algorithm
Table 1
Improved PSNR of Figure
3.
| | Average of Figure 3(f) | Average of Figure 3(h) | Average of Figure 3(j) | Average of Figure 3(l) |
| | 0.057 | 0.072 | 0.127 | 0.119 |
| | Best of Figure 3(f) | Best of Figure 3(h) | Best of Figure 3(j) | Best of Figure 3(l) |
| | 0.132 | 0.243 | 0.281 | 0.542 |
| | Worst of Figure 3(f) | Worst of Figure 3(h) | Worst of Figure 3(j) | Worst of Figure 3(l) |
| | −0.043 | 0.005 | −0.076 | −0.081 |
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