Figure5
![Rotating 3D laser mapping system for multi-rotor drones](https://image.oaes.cc/dfc45f5c-ad74-4b86-b371-fe644f0e4abc/ir3035-5.jpg)
Figure 5. The effect of building a map before and after calibration of external parameters.
Figure 5. The effect of building a map before and after calibration of external parameters.
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