dev01 04f9529c99 perf: optimize rectangle detection algorithm ...

- Check only first child contour instead of iterating all siblings
- Add area threshold check on inner contour
- Require inner contour to be rectangular with no deeper nesting

2026-06-04 18:16:05 +08:00

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src

perf: optimize rectangle detection algorithm

2026-06-04 18:16:05 +08:00