Control Point Clouds

Similar to using ground control with LiDARSnap, a control point cloud can be used as input for LiDARSnap. Below illustrates an example of resolving vertical offsets using a control point cloud:

Control point clouds can be used in two different ways:

Calibrating one dataset to another

Control point clouds can be particularly useful when one cloud is of a much higher accuracy and reliability than another cloud (e.g. using an aerial cloud as control when adjusting a mobile or SLAM cloud). This process uses the Calibrate Dataset to Another Dataset mode.

Calibrating sensor to sensor within the same dataset

This mode is used for calibrating an auxiliary sensor, such as with multi-sensor mobile systems or systems that use a secondary sensor for SLAM navigation. Within the same dataset refers to the sensors' data both referencing the same trajectory.

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