Kristian L. Damkjer Harris Corporation

22H

The quality of LiDAR products is typically expressed in terms of the number of samples used to capture the information in a scene. Industry standard guidelines provide mappings between metrics like Nominal Point Spacing (NPS) and Nominal Point Density (NPD) and a hierarchy of Quality Levels. Unfortunately, the definition of these metrics is ambiguous and little guidance is provided on how to appropriately derive them. Further, the number of samples used to represent a scene may be a necessary criterion for assessing information content, but it is not sufficient.

In this presentation, we discuss various aspects of LiDAR product generation that impact the final information content of LiDAR products. We also review the current industry guidelines for assessing point cloud quality levels and provide recommendations on improved metrics that better reflect the information content of products. Finally, we will demonstrate our metrics applied to linear-mode and Geiger-mode LiDAR products.

10:30 Information vs Points – Towards a Better Assessment of Product Information and Interpretability, Kristian L. Damkjer