Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Exploring Building Data from Multispectral and Single-Photon Lidar Systems

Version 1 : Received: 27 August 2020 / Approved: 28 August 2020 / Online: 28 August 2020 (08:49:07 CEST)

How to cite: Zhu, L.; Hyyppä, J.; Virtanen, J.; Yu, X.; Kaartinen, H. Exploring Building Data from Multispectral and Single-Photon Lidar Systems. Preprints 2020, 2020080626 (doi: 10.20944/preprints202008.0626.v1). Zhu, L.; Hyyppä, J.; Virtanen, J.; Yu, X.; Kaartinen, H. Exploring Building Data from Multispectral and Single-Photon Lidar Systems. Preprints 2020, 2020080626 (doi: 10.20944/preprints202008.0626.v1).

Abstract

This paper investigated building data from multispectral and single-photon Lidar systems. The multispectral datasets from the individual channels and fused channels were explored. The multispectral and single-photon Lidar data were compared across multiple aspects: the data acquisition geometry, number of echoes, intensity, density, resolution, data defects, noise level, and the absolute and relative accuracy. In addition, we explored the performance of the multispectral and single-photon data for roof plane detection for eight complex/stylish buildings to investigate the suitability of these data for 3D building reconstruction. The building data from the single-photon and multispectral Lidar systems were evaluated with respect to the reference building vector data with an accuracy of better than 5 cm. The advantages and disadvantages of both technologies and their applications in the urban building environment are discussed.

Subject Areas

multispectral lidar; single-photon lidar; building data; 3D reconstruction

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