Lighting – which is measured in luminance plays a key role in improving road safety. A new measurement system is now being deveoped to evaluate night-time road lighting conditions based on luminance-calibrated 3D point cloud data. This new approach integrates imaging photometry, which is commonly used to measure road lighting, with mobile laser scanning techniques, which are mainly used to measure the 3D geometry of the road environment. There are many interesting potential applications of the resulting georeferenced luminance point cloud... (read more)