Processing airborne LiDAR point cloud for solar cadasters: A review

Inas H. Mahir, Dunia A. Bachour, Khaled Abedrabboh, Daniel Perez-Astudillo, Luluwah Al Fagih*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper reviews existing literature in the critical role of processing Lidar point cloud data for generating Digital Elevation Models (DEMs)— Digital Surface Models (DSMs) and Digital Terrain Models (DTMs)—to develop solar cadasters, which are essential for optimizing solar energy deployment in urban environments. With a primary focus on DSMs, due to their significant role in the development of solar cadasters, the paper evaluates the influence of various interpolation techniques used in the reviewed literature for generating DEMs from LiDAR point cloud data. The review examines how interpolation methods affect key factors like spatial resolution, elevation accuracy, and building edge preservation, and identifies the most efficient interpolation techniques for generating DSMs tailored for solar cadaster applications. In addition, the paper highlights emerging trends in applying Machine Learning (ML) to improve DSM generation, providing insights into how these techniques enhance model accuracy and classification. The findings offer a foundation for advancing solar PV rooftop assessments using solar cadasters, contributing to more sustainable and resilient urban energy planning.

Original languageEnglish
Article number125325
JournalApplied Energy
Volume382
DOIs
Publication statusPublished - 15 Mar 2025

Keywords

  • DEM
  • DSM
  • Interpolation
  • Solar cadaster
  • Solar potential
  • Urban topology

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