Table 1.
Average true marker motion magnitude (pixel units)
| Frame interval | 1-2 | 2-3 | 3-4 | 4-5 | 5-6 | 6-7 | 7-8 | 8-1 |
| Average magnitude | 0.94 | 0.28 | 0.22 | 0.46 | 0.31 | 0.19 | 0.21 | 0.17 |
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