Table 3.
Number of images in each group and direction.
| Category | Group 1 | Group 2 | Total Number |
|---|---|---|---|
| Direction A | 7692 | 7689 | 15,381 |
| Direction B | 7618 | 7621 | 15,239 |
| Direction C | 7692 | 7689 | 15,381 |
| Direction D | 7618 | 7621 | 15,239 |
| Total | 30,620 | 30,620 | 61,240 |
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