Studying canopy structure through 3-D reconstruction of point clouds from full-waveform terrestrial lidar

Xiaoyuan Yang, Crystal Schaaf, Alan Strahler, Zhan Li, Zhuosen Wang, Tian Yao, Feng Zhao, Edward Saenz, Ian Paynter, Ewan Douglas, Supriya Chakrabarti, Timothy Cook, Jason Martel, Glenn Howe, Curtis Woodcock, David Jupp, Darius Culvenor, Glenn Newnham, Jenny Lovell

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

This study presents a three-dimensional (3-D) forest reconstruction methodology using the new and emerging science of terrestrial full-waveform lidar scanning, which can provide rapid and efficient measurements of canopy structure. A 3-D forest reconstruction provides a new pathway to estimate forest structural parameters such as tree diameter at breast height, tree height, crown diameter, and stem count density (trees per hectare). It enables the study of the detailed structure study with respect to the canopy (foliage or branch/trunk), as well as the generation of a digital elevation model (DEM) and a canopy height model (CHM) at the stand level. Leaf area index (LAI) and Foliage area volume density profile directly estimated from voxelized 3-D reconstruction agree with measurements from field and airborne instrument. A 3-D forest reconstruction allows virtual direct representation of forest structure, and provides consistent and reliable validation data sources for airborne or spaceborne data.

Original languageEnglish (US)
Title of host publication2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings
Pages3375-3378
Number of pages4
DOIs
StatePublished - 2013
Externally publishedYes
Event2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Melbourne, VIC, Australia
Duration: Jul 21 2013Jul 26 2013

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)

Conference

Conference2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013
Country/TerritoryAustralia
CityMelbourne, VIC
Period7/21/137/26/13

Keywords

  • 3-D reconstruction
  • Canopy height model
  • Canopy structure parameter
  • Digital elevation model
  • Full waveform lidar
  • Leaf area index
  • Terrestrial lidar

ASJC Scopus subject areas

  • Computer Science Applications
  • Earth and Planetary Sciences(all)

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