PDM versus SDM Performances

Figure 9.40 (left) shows the comparison between PDM and SDM, using MRF classification system for large noise protocol (a2 = 100 to a2 = 1000). As seen in the figure, the mean error increases gradually from 1.7 to 2.1 pixels. As seen in the figure, PDM has a lower error compared to SDM by a small amount of 0.05 pixels. However, they both go hand-in-hand as the variance increases from 100 to 1000.

Figure 9.40 (right) shows the comparison between PDM and SDM, using FCM classification system for large noise protocol (a2) from 100 to 1000. As seen in the figure, the mean error increases gradually from less than 1.6 pixels to little more than 1.6 pixels. As seen in the v figure, PDM has a lower error compared to SDM by a small amount of 0.05 pixels. However, they both also go hand-in-hand as the variance increases from 100 to 1000. We also see that FCM method (see Fig. 9.40, right) has a lower mean error slope compared to MRF (see Fig. 9.40, left). The explanation of this can be attributed to the discussion of the previous section.

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