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A Comparative Assessment of the Performance of Individual Tree Crowns Delineation Algorithms from ALS Data in Tropical Forests

Mélaine Aubry-Kientz, Raphaël Dutrieux, Antonio Ferraz, Sassan Saatchi, Hamid Hamraz, Jonathan Williams, David Coomes, Alexandre Piboule, Grégoire Vincent
<span title="2019-05-07">2019</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
Therefore, we compared results from six different segmentation methods applied to six plots (39 ha) from a study site in French Guiana.  ...  We also evaluated the goodness of fit following automatic matching with field inventory data using a model linking tree diameter to tree crown width.  ...  ALS data from the six plots and one RGB image (only for the plot number 15) were sent to the teams in charge of running the algorithms.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs11091086">doi:10.3390/rs11091086</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/r75c5krpyjb4bife2kmorg777a">fatcat:r75c5krpyjb4bife2kmorg777a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200212221131/https://res.mdpi.com/d_attachment/remotesensing/remotesensing-11-01086/article_deploy/remotesensing-11-01086.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ff/81/ff81a2d6ab8c38cd2ad6e965a4792303e148d8e0.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs11091086"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

AUTOMATED INDIVIDUAL TREE DETECTION IN AMAZON TROPICAL FOREST FROM AIRBORNE LASER SCANNING DATA

PEDRO HENRIQUE KARANTINO MILLIKAN, CARLOS ALBERTO SILVA, Luiz Carlos Estraviz Rodriguez, Tupiara Mergen de Oliveira, Mariana Peres de Lima Chaves e Carvalho, Samuel de Pádua Chaves e Carvalho
<span title="">2019</span> <i title="FapUNIFESP (SciELO)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2laugz5rx5b6hmuvwxgagxvhnu" style="color: black;">Cerne</a> </i> &nbsp;
HIGHLIGHTS Comparative study of four recent methods developed for detecting trees from Airborne Laser Scanning data in the Amazon forest.  ...  In this study, four methods of individual tree detection (ITD), Watershed, Silva et al. (2016), Coomes (2016), and Coomes et al. (2017) , were evaluated in a tropical forest under sustainable forest management  ...  A special thanks to members of the Laboratory of Forest Management-UFMT, and members of GET-LiDAR-research group in LiDAR technology of the University of São Paulo, for the direct and indirect contributions  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1590/01047760201925032630">doi:10.1590/01047760201925032630</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/vvz3ygnawnflxbn7rlglrkqlmy">fatcat:vvz3ygnawnflxbn7rlglrkqlmy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20191221040944/http://www.scielo.br/pdf/cerne/v25n3/2317-6342-cerne-25-03-273.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/71/f7/71f7f8b1b3cbeb8a2363c27540cdcb9c0ff3b120.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1590/01047760201925032630"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> scielo.br </button> </a>

Mapping and Characterizing Selected Canopy Tree Species at the Angkor World Heritage Site in Cambodia Using Aerial Data

Minerva Singh, Damian Evans, Boun Suy Tan, Chan Samean Nin, Denis Loustau
<span title="2015-04-22">2015</span> <i title="Public Library of Science (PLoS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/s3gm7274mfe6fcs7e3jterqlri" style="color: black;">PLoS ONE</a> </i> &nbsp;
Individual tree crowns that were delineated from aerial imagery using multiresolution segmentation had a high level of segmentation accuracy (69.22%), whereas tree crowns delineated using watershed segmentation  ...  The aim of this study was to assess various methods of analysis of aerial imagery for characterization of the forest mensuration variables (i.e., tree height and crown width) of selected tree species found  ...  We thank PT McElhanney Indonesia for their contribution to the LiDAR acquisition and acknowledge support and funding from eight institutions of the Khmer Archaeology LiDAR Consortium: the APSARA Authority  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pone.0121558">doi:10.1371/journal.pone.0121558</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/25902148">pmid:25902148</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC4406680/">pmcid:PMC4406680</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/57vbi57irvay7ijgv2tz33ywk4">fatcat:57vbi57irvay7ijgv2tz33ywk4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20171010173410/http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0121558&amp;type=printable" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/b7/db/b7db17611be4a09bef1c8a530f9e98369e6f23bd.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pone.0121558"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> plos.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4406680" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Tree Crown Delineation Algorithm Based on a Convolutional Neural Network

José R. G. Braga, Vinícius Peripato, Ricardo Dalagnol, Matheus P. Ferreira, Yuliya Tarabalka, Luiz E. O. C. Aragão, Haroldo F. de Campos Velho, Elcio H. Shiguemori, Fabien H. Wagner
<span title="2020-04-18">2020</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
In this study, we propose the application of a convolutional neural network—Mask R-CNN algorithm—to perform the tree crown detection and delineation.  ...  In the study site, the total of tree crowns delineated was 59 , 062 . These results suggest that this algorithm can be used to assist the planning and conduction of forest inventories.  ...  The funding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs12081288">doi:10.3390/rs12081288</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/wsum64qd3zaprkhfa2lwwcpkhe">fatcat:wsum64qd3zaprkhfa2lwwcpkhe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200508040622/https://res.mdpi.com/d_attachment/remotesensing/remotesensing-12-01288/article_deploy/remotesensing-12-01288-v3.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/3a/a8/3aa87d861e03e7ce7580aee117a4fb8fa4c38c45.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs12081288"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Individual tree crown delineation in a highly diverse tropical forest using very high resolution satellite images

Fabien Hubert Wagner, Matheus Pinheiro Ferreira, Alber Sanchez, Mayumi C.M. Hirye, Maciel Zortea, Emanuel Gloor, Oliver L. Phillips, Carlos Roberto de Souza Filho, Yosio Edemir Shimabukuro, Luiz E.O.C. Aragão
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sgj4ockzhjenrlnkl2wsqjql64" style="color: black;">ISPRS journal of photogrammetry and remote sensing (Print)</a> </i> &nbsp;
In addition, to test if the spectra of individual species are conserved in the automatic delineated crowns, we compare the accuracy of species prediction with automatic and manual delineated crowns with  ...  For this purpose, detection and delineation of individual tree crowns (ITCs) is a prerequisite.  ...  Acknowledgement The research leading to these results was funded by the project BIO-RED "Biomes of Brazil -Resilience, Recovery, and Diversity" which is  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.isprsjprs.2018.09.013">doi:10.1016/j.isprsjprs.2018.09.013</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/yzovd46kx5gkxado5beb44vtgy">fatcat:yzovd46kx5gkxado5beb44vtgy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190427154218/http://eprints.whiterose.ac.uk/137082/7/1-s2.0-S0924271618302582-main.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/e3/f1/e3f1453a2298d9fb9318177260bc0d5ae109ca64.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.isprsjprs.2018.09.013"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a>

Trends in Automatic Individual Tree Crown Detection and Delineation—Evolution of LiDAR Data

Zhen Zhen, Lindi Quackenbush, Lianjun Zhang
<span title="2016-04-15">2016</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
Automated individual tree crown detection and delineation (ITCD) using remotely sensed data plays an increasingly significant role in efficiently, accurately, and completely monitoring forests.  ...  This paper reviews trends in ITCD research from 1990-2015 from several perspectives-data/forest type, method applied, accuracy assessment and research objective-with a focus on studies using LiDAR data  ...  Acknowledgments: We thank project "Three dimensional individual tree crown delineation based on multiple remotely sensed data sources and tree competition mechanism (31400491)" supported by National Natural  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs8040333">doi:10.3390/rs8040333</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3leqzeyxsvcgxlrjilq5oi4lfm">fatcat:3leqzeyxsvcgxlrjilq5oi4lfm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180729235958/https://res.mdpi.com/def502005554789d52fc74ead16d526b25ed550453a99de32c1db4d32921bb636426e84af1cd4d5c1c70e974c4e2b75eca397b592921fc9d91760f606579980b6cd1273004e15269ea258b01f5ebc5d9809147b42ddc4151557c4916f8d671f1addcc31484973e6df7f6dcb496a9700a11af43cca2405194b996c56a8224efc7aa3415ac6eb327230fe71f071ed1ae2581b9a3a10dd476a756cd968eba48f8ac3961?filename=&amp;attachment=1" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/08/b5/08b593a02b06cd4fc1578fdc9b9760c1b7cef6cc.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs8040333"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Influence of micro-topography and crown characteristics on tree height estimations in tropical forests based on LiDAR canopy height models

Cici Alexander, Amanda H. Korstjens, Ross A. Hill
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/bxgvpgeg35cydcw4wjlkidvsvm" style="color: black;">International Journal of Applied Earth Observation and Geoinformation</a> </i> &nbsp;
In this study, the influence of terrain slope and crown characteristics on the detection of treetops and estimation of tree heights is assessed using ALS data in a tropical forest with complex terrain  ...  A point will be incorrectly identified as the treetop by individual tree crown (ITC) recognition algorithms if its height is greater than that of the actual treetop in the CHM, which will be recorded as  ...  Acknowledgements FOREST 3D-ECOCARB (Integration of innovative remote sensing techniques for optimum modelling of tropical forest primate habitat and carbon storage) received funding through EU Marie Skłodowska-Curie  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jag.2017.10.009">doi:10.1016/j.jag.2017.10.009</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/espyw3kw7re67paj3daf5cwevi">fatcat:espyw3kw7re67paj3daf5cwevi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180721032837/http://eprints.bournemouth.ac.uk/29942/7/influence_of_microtopography.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/bd/16/bd16d4234f6e95809feeb6490c47baf41c8dcf4f.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jag.2017.10.009"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a>

Airborne Tree Crown Detection for Predicting Spatial Heterogeneity of Canopy Transpiration in a Tropical Rainforest

Joyson Ahongshangbam, Alexander Röll, Florian Ellsäßer, Hendrayanto, Dirk Hölscher
<span title="2020-02-16">2020</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
In a lowland rainforest of Sumatra, we measured tree water use with sap flux techniques and simultaneously assessed crown metrics with drone-based photogrammetry.  ...  In conclusion, we regard drone-based canopy segmentation and crown metrics to be very useful tools for the scaling of transpiration from tree- to stand-level.  ...  algorithm on average overestimates the crown surface area of individual trees by 25% compared to manual delineation.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs12040651">doi:10.3390/rs12040651</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rcvxfbkgibdutptzqelykvequu">fatcat:rcvxfbkgibdutptzqelykvequu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200224234715/https://res.mdpi.com/d_attachment/remotesensing/remotesensing-12-00651/article_deploy/remotesensing-12-00651-v3.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/82/0d/820d2c9b87d5bb910146b2e8aabeca9ee811ead1.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs12040651"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Seeing trees from space: above-ground biomass estimates of intact and degraded montane rainforests from high-resolution optical imagery

MH Phua, ZY Ling, DA Coomes, W Wong, A Korom, S Tsuyuki, K Ioki, Y Hirata, H Saito, G Takao
<span title="2017-06-30">2017</span> <i title="Italian Society of Sivilculture and Forest Ecology (SISEF)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/nn6k5dwqjzbzxj3rspx7rxgcau" style="color: black;">iForest : Biogeosciences and Forestry</a> </i> &nbsp;
We used the dimensions of tree crowns detected in the imagery to estimate above-ground biomasses (AGBs) of individual trees and plots.  ...  We used high-resolution optical imagery (IKONOS-2) to identify individual tree crowns in intact and degraded rainforests in the mountains of Northern Borneo, comparing our results with 50 ground-based  ...  We sincerely thank the Sabah Forestry Department (SFD) for research permission, the Sabah Forest Industry (SFI) for field support, and the Government of United States of America for some technical assistance  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3832/ifor2204-010">doi:10.3832/ifor2204-010</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/xy55elentjavfp25xbb27ercmm">fatcat:xy55elentjavfp25xbb27ercmm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180721193627/http://www.sisef.it/iforest/pdf/?id=ifor2204-010" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/01/ed/01ed9a28170066a4f070eeba35de5e75b32a0e05.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3832/ifor2204-010"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

Estimation of Individual Tree Biomass in Natural Secondary Forests Based on ALS Data and WorldView-3 Imagery

Yinghui Zhao, Ye Ma, Lindi Quackenbush, Zhen Zhen
<span title="2022-01-07">2022</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
Accurately estimating individual tree AGB is a requisite for accurate forest carbon stock assessment of natural secondary forests (NSFs).  ...  The results showed that the combination of ALS and WorldView-3 performed better than either single data source in tree species classification, and ensemble learning algorithms outperformed machine learning  ...  China, who participated in the National Forest Survey and samples plots in the Maoershan Experimental Forest Farm in 2019 and collected the data for this study.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs14020271">doi:10.3390/rs14020271</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mzjv54eg7ndllnolhcp5otaj3q">fatcat:mzjv54eg7ndllnolhcp5otaj3q</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20220120032745/https://mdpi-res.com/d_attachment/remotesensing/remotesensing-14-00271/article_deploy/remotesensing-14-00271-v2.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ad/6c/ad6c5b4c1b503f18fce6633fc5b81e6bef4202e5.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs14020271"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Comparison of Classical Methods and Mask R-CNN for Automatic Tree Detection and Mapping Using UAV Imagery

Kunyong Yu, Zhenbang Hao, Christopher J. Post, Elena A. Mikhailova, Lili Lin, Gejin Zhao, Shangfeng Tian, Jian Liu
<span title="2022-01-11">2022</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
Manually delineated tree crowns from UAV imagery were used for accuracy assessment of the three methods, followed by an evaluation of the data processing and application requirements for three methods  ...  Detecting and mapping individual trees accurately and automatically from remote sensing images is of great significance for precision forest management.  ...  Acknowledgments: We wish to thank the anonymous reviewers and editors for their detailed comments and suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs14020295">doi:10.3390/rs14020295</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jgjazp7zkbcvzh7djoxkzrzxce">fatcat:jgjazp7zkbcvzh7djoxkzrzxce</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20220121053801/https://mdpi-res.com/d_attachment/remotesensing/remotesensing-14-00295/article_deploy/remotesensing-14-00295-v2.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/95/97/95979515596fd8559edffb347540f85cade3ca29.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs14020295"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Area-based vs tree-centric approaches to mapping forest carbon in Southeast Asian forests from airborne laser scanning data

David A. Coomes, Michele Dalponte, Tommaso Jucker, Gregory P. Asner, Lindsay F. Banin, David F.R.P. Burslem, Simon L. Lewis, Reuben Nilus, Oliver L. Phillips, Mui-How Phua, Lan Qie
<span title="">2017</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lm57ugzxwjehna44tee4sjxr4u" style="color: black;">Remote Sensing of Environment</a> </i> &nbsp;
We compare the performance of (a) an area-based model developed by Asner and Mascaro (2014) , and used primarily in the neotropics hitherto, with (b) a treecentric approach that uses a new algorithm (itcSegment  ...  Tree-centric modelling is appealing because it is based on summing the biomass of individual trees, but until algorithms can detect understory trees reliably and estimate biomass from crown dimensions  ...  Acknowledgement This project was supported by a grant through the Human Modified Tropical Forests programme of NERC (NE/K016377/1).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2017.03.017">doi:10.1016/j.rse.2017.03.017</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/aeamd554l5fk7mb26beqwljoge">fatcat:aeamd554l5fk7mb26beqwljoge</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190430155253/http://discovery.ucl.ac.uk/10048317/1/1-s2.0-S0034425717301098-main.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/1f/a5/1fa5a2639f666e6c34b35a32777ab77ac571f2b3.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2017.03.017"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a>

DeepForest: A Python package for RGB deep learning tree crown delineation [article]

Ben Weinstein, Sergio Marconi, Melaine Aubry-Kientz, Gregoire Vincent, Henry Senyondo, Ethan White
<span title="2020-07-08">2020</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
The delineation of individual trees in remote sensing images is an essential task in forest analysis.  ...  We illustrate the workflow of DeepForest using data from the National Ecological Observatory Network, a tropical forest in French Guiana, and street trees from Portland, Oregon.  ...  A Comparative Assessment of the 383 Performance of Individual Tree Crowns Delineation Algorithms from ALS Data in 384 Tropical Forests.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.07.07.191551">doi:10.1101/2020.07.07.191551</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/oxvhhmnv7bbbvajdklmz3ecuaq">fatcat:oxvhhmnv7bbbvajdklmz3ecuaq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20201106171751/https://www.biorxiv.org/content/biorxiv/early/2020/07/08/2020.07.07.191551.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/b4/fe/b4fef25bcbc597c15a28f73b5db7209df2c8faa5.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.07.07.191551"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Tree-Species Classification in Subtropical Forests Using Airborne Hyperspectral and LiDAR Data

Xin Shen, Lin Cao
<span title="2017-11-17">2017</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
First, each individual tree crown was extracted using the LiDAR data by a point cloud segmentation algorithm (PCS) and the sunlit portion of each crown was selected using the hyperspectral data.  ...  Clark et al. [15] classified seven tree-species in a tropical forest and found that the overall accuracy of classifier using sunlit spectra was 4.2% higher than using whole crown spectra.  ...  The authors gratefully acknowledge the foresters in Yushan forest for their assistance with data collection and sharing their rich knowledge and working experience of the local forest ecosystems.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs9111180">doi:10.3390/rs9111180</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rpaemkkv3neqnfgs45rrshqmfu">fatcat:rpaemkkv3neqnfgs45rrshqmfu</a> </span>
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Individual Tree Crown Detection Using UAV Orthomosaic

K. N. Tahar, M. A. Asmadin, S. A. H. Sulaiman, N. Khalid, A. N. Idris, M. H. Razali
<span title="2021-04-11">2021</span> <i title="Engineering, Technology &amp; Applied Science Research"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lpxg3lmnljealhwgd4srjiuaqi" style="color: black;">Engineering, Technology &amp; Applied Science Research</a> </i> &nbsp;
The crown delineation algorithm and OBIA algorithm operation will be compared to the actual tree crown measurement in terms of diameter and area.  ...  Automatic tree crown detection involves a tree crown delineation algorithm and OBIA operations to process the tree crown extraction.  ...  The automatic individual tree crown delineation in a highly diverse tropical forest using WorldView22 satellite is presented in [16, 17] .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.48084/etasr.4093">doi:10.48084/etasr.4093</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mrghoigd6bcehgyl6irnbfuyqi">fatcat:mrghoigd6bcehgyl6irnbfuyqi</a> </span>
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