API点云示例（depthai≥2.25.0）：
https://docs.luxonis.com/projects/api/en/latest/samples/PointCloud/visualize_pointcloud/
https://docs.luxonis.com/projects/api/en/latest/samples/PointCloud/pointcloud_control/
SDK点云示例：https://docs.oakchina.cn/projects/sdk/samples/PointcloudComponent/SDK_pointcloud/#pointcloud-demo
python点云：
https://github.com/luxonis/depthai-experiments/tree/master/gen2-pointcloud
https://github.com/luxonis/depthai-experiments/tree/master/gen2-camera-demo
ros点云（看example）：
https://github.com/luxonis/depthai-ros