Mobile mapping of night-time road environment lighting conditions

Matti Vaaja, Matti Kurkela, Mikko Maksimainen, Juho-Pekka Virtanen, Antero Kukko, Ville V. Lehtola, Juha Hyyppä, Hannu Hyyppä

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The measurement of 3D geometry for road environments is one of the main applications of mobile mapping systems (MMS). We present mobile mapping applied to a night-time road environment. We integrate the measurement of luminances into a georeferenced 3D point cloud. The luminance measurement and the 3D point cloud acquired with an MMS are used in assessing road environment lighting conditions. Luminance (cd/m2) was measured with a luminance-calibrated panoramic camera system, and point cloud was produced by laser scanners. The relative orientation between the GNSS, IMU, camera, and laser scanner sensors was solved in order to integrate the data sets into the same coordinate system. Hence, the georeferenced luminance values are transferable into geographic information systems (GIS). The method provides promising results for future road lighting assessment. In addition, this article demonstrates the night-time mobile mapping principle applied to a road section in Helsinki, Finland. Finally, we discuss the future applications of mobile-mapped luminance point clouds.
Original languageEnglish
Number of pages17
JournalPhotogrammetric Journal of Finland
Issue number1
Publication statusPublished - 20 Dec 2018
MoE publication typeA1 Journal article-refereed


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