Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

NUMBER COMPARISON OF VALID POINT BEFORE AND MATHEMATICAL MORPHOLOGY PROCESSING
| Possible points A | valid points B | Ratio b/a | Time consuming/ms | |
|---|---|---|---|---|
| Fig.6 (a) | 100 | 28 | 28% | 688 |
| Fig.6 (b) | 590 | 252 | 42.7% | 674 |
| Fig.6 (c) | 102 | 72 | 70.6% | 708 |
COMPARISON OF PNSR VALUES OF EXPERIMENTAL RESULTS
| Image processed by Gaussian filter | Image processed by filters in This paper | |||
|---|---|---|---|---|
| MSE | PNSR/dB | MSE | PNSR/dB | |
| Fig.6 (a) | 5.5771 | 37.6667 | 9.2155 | 38.4856 |
| Fig.6 (b) | 17.3281 | 35.7433 | 26.4623 | 33.9045 |
| Fig.6 (c) | 74.8766 | 29.3873 | 36.0083 | 32.5571 |