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Evaluating Different Methods for Estimating Diameter at Breast Height from Terrestrial Laser Scanning
2018
Remote Sensing
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The accurate measurement of diameter at breast height (DBH) is essential to forest operational management, forest inventory, and carbon cycle modeling. ...
Terrestrial laser scanning (TLS) is a measurement technique that allows rapid, automatic, and periodical estimates of DBH information. ...
Yanqiu Xing secured funding for the project, provided valuable suggestions for the overall design of the study, and reviewed the manuscript. Jialong Duanmu polished the language of the manuscript. ...
doi:10.3390/rs10040513
fatcat:nhpjtdxrbzhgpod7gao4eimhqy
Individual Tree Measurement in Tropical Environment using Terrestrial Laser Scanning
2015
Jurnal Teknologi
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This study aims at estimating individual tree attributes from high density point cloud obtained by terrestrial laser scanner (TLS). ...
Diameter at breast height (DBH) was measured for trees in forest. Furthermore tree height, height to crown base, crown volume and tree branch volume were also estimated for each tree. ...
accurately. 3 Apart from airborne laser scanning, terrestrial laser scanning can be utilized for more accurate and detailed tree attributes estimations. ...
doi:10.11113/jt.v73.4329
fatcat:h55r3xfmwvg5voj5xfal4mhqei
Evaluating the Eccentricities of Poplar Stem Profiles with Terrestrial Laser Scanning
2019
Forests
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This research assesses the advantages, in terms of assortments evaluation, that can be obtained if the diameters at different heights are extracted adequately to process terrestrial laser scanning (TLS ...
These functions are developed based on measures of stem diameters taken at different distances from the base. ...
Acknowledgments: Many thanks to Cristiano Castaldi (Research Centre for Forestry and Wood) for the help in collecting TLS data.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/f10030239
fatcat:t5j2h4loljdh7e7d6yso6xcw5i
The Comparison of Stem Curve Accuracy Determined from Point Clouds Acquired by Different Terrestrial Remote Sensing Methods
2020
Remote Sensing
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Diameter estimation errors varied across heights of cross sections and methods. ...
We evaluated the stem curves of the lower part of standing trees (diameters at heights of 0.3 m to 8 m). ...
Acknowledgments: Thanks for the equipment support provided by 3GON Slovakia s.r.o.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs12172739
fatcat:7zlyxe6cljgylexs2jrdnimi3q
Automatic Estimation of Tree Position and Stem Diameter Using a Moving Terrestrial Laser Scanner
2017
Remote Sensing
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An essential part of inventory is a collection of field reference data including measurements of tree stem diameter at breast height (DBH). Traditionally this is acquired through manual measurements. ...
The method divides the laser measurements into limited time intervals determined by the laser scan rotation. Tree positions and DBH are then automatically extracted from each laser scan rotation. ...
Minimum diameter at breast height as a function of observation distance and scan rate calculated from Equation (1) . ...
doi:10.3390/rs9040350
fatcat:ify24npkwnhshdfna22uhd2qta
Performance of Laser-Based Electronic Devices for Structural Analysis of Amazonian Terra-Firme Forests
2019
Remote Sensing
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We report the error metrics for measurements of tree diameter and tree height and discuss the consequences for estimated biomass. ...
Estimates of aboveground biomass commonly rely on measurements of tree size (diameter and height) and then indirectly relate, via allometric relationships and wood density, to biomass sampled from a relatively ...
Acknowledgments: We are obliged to several persons that enabled our research stay at ZF2. We thank Bruno ...
doi:10.3390/rs11050510
fatcat:o6elaw5jvbbwxf57ze7k3senjy
Comparing Terrestrial Laser Scanning (TLS) and Wearable Laser Scanning (WLS) for Individual Tree Modeling at Plot Level
2018
Remote Sensing
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: diameter at breast height (DBH) and total tree height (TH). ...
This study presents a comparison between the use of wearable laser scanning (WLS) and terrestrial laser scanning (TLS) devices for automatic tree detection with an estimation of two dendrometric variables ...
RMSE, mean, standard deviation (m) of the differences in diameter at breast height (DBH) and tree height (TH) between terrestrial laser scanning (TLS) and wearable laser scanning (WLS) data at the two ...
doi:10.3390/rs10040540
fatcat:yrpkwoq4ufeqjclmamy6nxop4i
Retrieval of Forest Structural Parameters From Terrestrial Laser Scanning: A Romanian Case Study
2020
Forests
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Materials and Methods: We performed single and multiple scans using a FARO Focus 3D X130 phase shift terrestrial laser scanner at 122kpts and 0.3:0.15 mm noise compression ratio, resulting in an average ...
Background and Objectives: We focused on analyzing stems, as a function of diameter at breast height (DBH) and the total height (H), at sample plot level for natural forests, with the purpose of assessing ...
Single terrestrial laser scan We performed a single terrestrial laser scan from the center of each plot with a FARO Focus 3D X130 phase shift terrestrial laser scanner at the same time with the above-mentioned ...
doi:10.3390/f11040392
fatcat:deunac74jzeppolgfnaijpsbny
ESTIMATING SINGLE TREE STEM AND BRANCH BIOMASS USING TERRESTRIAL LASER SCANNING
2015
Jurnal Teknologi
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Unique tree signage was located on trees with diameter at breast height (DBH) of 10cm and above. ...
Graphical abstract Abstract This paper presents a novel non-destructive approach for individual tree stem and branch biomass estimation using terrestrial laser scanning data. ...
Before the scanning process each tree was marked with unique number and tree properties e.g. location of trees, diameter at breast height (DBH), tree species, tree height (whenever possible) and crown ...
doi:10.11113/jt.v77.6860
fatcat:2tz7u2scizh65dozngblrp5wfu
Deriving Merchantable Volume in Poplar through a Localized Tapering Function from Non-Destructive Terrestrial Laser Scanning
2016
Forests
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Eight plots were established and scanned by TLS. Stem curve functions were then fitted after extraction of diameters at different height, and tree heights from the point cloud data. ...
'I-72/58') to extract stem diameter at different tree heights and establish the relationship between point cloud data and stem curve, which constitutes the basis for volume estimation of single trees and ...
The author is grateful to employees of the poplar plantation farm in Lianshui County, for assistance in the field measurements. ...
doi:10.3390/f7040087
fatcat:tzsea3hemze7vdse2wseewn4bu
THE EFFECT OF WIND ON TREE STEM PARAMETER ESTIMATION USING TERRESTRIAL LASER SCANNING
2016
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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In this paper, we evaluated the effect of wind on tree stem parameter estimation at different heights using TLS. ...
The data consists of one measured Scots pine captured from three different scanning directions with two different scanning resolutions, 6.3 mm and 3.1 mm at 10 m. ...
ACKNOWLEDGEMENTS This research was supported by the following institutions: the Academy of Finland, the Centre of Excellence in Laser Scanning Research (CoE-LaSR, project number 272195), "Interaction of ...
doi:10.5194/isprs-annals-iii-8-117-2016
fatcat:3icjdzt6jzhudiindiophqwvvy
Comparison of 3D Point Clouds Obtained by Terrestrial Laser Scanning and Personal Laser Scanning on Forest Inventory Sample Plots
2020
Data
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We have developed a novel methodology to provide estimates of the tree positions, stem diameters, and tree heights from these 3D point clouds. ...
The data were collected by two different laser scanning systems: (1) A mobile personal laser scanner (PLS) (ZEB Horizon, GeoSLAM Ltd., Nottingham, UK) and (2) a static terrestrial laser scanner (TLS) ( ...
The authors would like to thank the anonymous reviewers for their thoughtful comments and suggestions on the original manuscript. ...
doi:10.3390/data5040103
fatcat:y6in6mkiqvbi3omnpf5z2pgjxe
THE EFFECT OF WIND ON TREE STEM PARAMETER ESTIMATION USING TERRESTRIAL LASER SCANNING
2016
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In this paper, we evaluated the effect of wind on tree stem parameter estimation at different heights using TLS. ...
The data consists of one measured Scots pine captured from three different scanning directions with two different scanning resolutions, 6.3 mm and 3.1 mm at 10 m. ...
ACKNOWLEDGEMENTS This research was supported by the following institutions: the Academy of Finland, the Centre of Excellence in Laser Scanning Research (CoE-LaSR, project number 272195), "Interaction of ...
doi:10.5194/isprsannals-iii-8-117-2016
fatcat:isemrzqgtngrjj3ygctwri5lcm
Autonomous Collection of Forest Field Reference—The Outlook and a First Step with UAV Laser Scanning
2017
Remote Sensing
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The accuracy of direct measurements on the diameter at breast height (DBH) from the point cloud is between 5.5 and 6.8 cm due to the system and the methodological error propagation. ...
The estimation of DBH from point cloud metrics, on the other hand, showed an accuracy of 2.6 cm, which is comparable to the accuracies obtained with terrestrial surveys using mobile laser scanning (MLS ...
Acknowledgments: The research leading to these results has received funding from the Academy of
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs9080785
fatcat:ucunrgzd3jfv3g765i6gqh5jku
On the geometry and allometry of big-buttressed trees - a challenge for forest monitoring: new insights from 3D-modeling with terrestrial laser scanning
2015
iForest : Biogeosciences and Forestry
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On the geometry and allometry of big-buttressed trees -a challenge for forest monitoring: new insights from 3D-modeling with terrestrial laser scanning. iForest 8: 574-581 [online 2015-03-02] ...
Acknowledgements This study was made possible through financial support from the German Academic Exchange Service (DAAD) which has been ...
Tree variables commonly used for such models are the diameter at breast height (DBH, measured at 1.3 m height) or DBH in combination with total tree height. ...
doi:10.3832/ifor1449-007
fatcat:o5k6oyroy5gx7grxnhtqsnscbe
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