Image Processing Reference
In-Depth Information
9.3.3 Application to real images
The near-optimal filters produced from the two training runs were then applied to
the real noisy astronomical images shown in Figs. 9.1 and 9.2. The results using the
filter trained in the first run of the application, with the MAE/MSE criterion, are
shown in Fig. 9.13. The subjective improvement is very obvious. The image, which
had been almost completely obscured by noise, has had a significant amount of the
disturbance removed. The results of applying the filter created in the second train-
ing run and using the SSIM criterion are shown in Fig. 9.14. By comparison, the
second run appears to have created a better filter and has removed almost all of the
speckle.
Figure 9.13
The result of applying filters trained using the MAE/MSE combination quality
measure.
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