Table 4.
The Er value of BCG artifacts removal using different clustering methods and the number of clusters.
 |
Hierarchical clustering | k-means |
|---|---|---|
| 2 | 61.41 | 55.75 |
| 3 | 28.68 | 40.67 |
| 4 | 73.65 | 75.41 |
| 5 | 92.38 | 52.61 |
| 6 | 72.21 | 60.54 |
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