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Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster
Forests, Volume: 13, Issue: 3, Start page: 431
Swansea University Author: Carlos Cabo Gomez
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DOI (Published version): 10.3390/f13030431
Abstract
Tree morphological characteristics, particularly straightness and lean, significantly influence the value of the commercial products that can be obtained. Despite this, they are not usually evaluated in timber field inventories because traditional techniques are labor-intensive and largely subjectiv...
Published in: | Forests |
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ISSN: | 1999-4907 |
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MDPI AG
2022
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URI: | https://cronfa.swan.ac.uk/Record/cronfa60739 |
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2022-08-25T15:04:56.2498483 v2 60739 2022-08-05 Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster 660108e8078886c3e750d803be23276b Carlos Cabo Gomez Carlos Cabo Gomez true false 2022-08-05 FGSEN Tree morphological characteristics, particularly straightness and lean, significantly influence the value of the commercial products that can be obtained. Despite this, they are not usually evaluated in timber field inventories because traditional techniques are labor-intensive and largely subjective, hence the use of these parameters is limited to research and genetic breeding programs. Here, a non-destructive, fully automated methodology is presented that estimates the parameters for describing straightness and lean using terrestrial laser scanning (TLS) data. It is based on splitting stems into evenly spaced sections and estimating their centers, which are then used to automatically calculate the maximum sagitta, sinuosity, and lean of each tree. The methodology was applied in a breeding trial plot of Pinus pinaster, and the results obtained were compared with field measurements of straightness and lean based on visual classification. The methodology is robust to errors in the estimation of section centers, the basis for calculating shape parameters. Besides, its accuracy compares favorably with traditional field techniques, which often involve problems of misclassification. The new methodology is easy to use, less expensive, and overcomes the drawbacks of traditional field techniques for obtaining straightness and lean measurements. It can be modified to apply to any species and stand typology. Journal Article Forests 13 3 431 MDPI AG 1999-4907 straightness; lean; sinuosity; tree breeding; wood quality 9 3 2022 2022-03-09 10.3390/f13030431 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University This work was funded by the Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) within the framework of the RTA2017-00063-C04-02 (2017) project entitled: “Evaluation of relevant characters for the sustainable management of Pinus pinaster Ait. and their interaction under new climatic scenarios”. Carlos Cabo received funding from the UK Natural Environment Research Council (NE/T001194/1), and from the Spanish Government (Ministerio de Universidades) and the European Union (NextGenerationEU), within the project MU-21-UP2021-030 2022-08-25T15:04:56.2498483 2022-08-05T11:42:35.0859858 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Covadonga Prendes 0000-0001-8920-2976 1 Elena Canga 0000-0003-2132-9991 2 Celestino Ordoñez 0000-0002-6912-6299 3 Juan Majada 0000-0003-0009-4847 4 Mauricio Acuna 0000-0003-1409-5699 5 Carlos Cabo Gomez 6 60739__24857__f1d9ca83646843e59ab8d830207f0712.pdf 60739.pdf 2022-08-05T11:47:32.3931340 Output 2682449 application/pdf Version of Record true Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/ |
title |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
spellingShingle |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster Carlos Cabo Gomez |
title_short |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
title_full |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
title_fullStr |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
title_full_unstemmed |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
title_sort |
Automatic Assessment of Individual Stem Shape Parameters in Forest Stands from TLS Point Clouds: Application in Pinus pinaster |
author_id_str_mv |
660108e8078886c3e750d803be23276b |
author_id_fullname_str_mv |
660108e8078886c3e750d803be23276b_***_Carlos Cabo Gomez |
author |
Carlos Cabo Gomez |
author2 |
Covadonga Prendes Elena Canga Celestino Ordoñez Juan Majada Mauricio Acuna Carlos Cabo Gomez |
format |
Journal article |
container_title |
Forests |
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13 |
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3 |
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431 |
publishDate |
2022 |
institution |
Swansea University |
issn |
1999-4907 |
doi_str_mv |
10.3390/f13030431 |
publisher |
MDPI AG |
college_str |
Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography |
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description |
Tree morphological characteristics, particularly straightness and lean, significantly influence the value of the commercial products that can be obtained. Despite this, they are not usually evaluated in timber field inventories because traditional techniques are labor-intensive and largely subjective, hence the use of these parameters is limited to research and genetic breeding programs. Here, a non-destructive, fully automated methodology is presented that estimates the parameters for describing straightness and lean using terrestrial laser scanning (TLS) data. It is based on splitting stems into evenly spaced sections and estimating their centers, which are then used to automatically calculate the maximum sagitta, sinuosity, and lean of each tree. The methodology was applied in a breeding trial plot of Pinus pinaster, and the results obtained were compared with field measurements of straightness and lean based on visual classification. The methodology is robust to errors in the estimation of section centers, the basis for calculating shape parameters. Besides, its accuracy compares favorably with traditional field techniques, which often involve problems of misclassification. The new methodology is easy to use, less expensive, and overcomes the drawbacks of traditional field techniques for obtaining straightness and lean measurements. It can be modified to apply to any species and stand typology. |
published_date |
2022-03-09T04:19:06Z |
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1763754268409462784 |
score |
11.035349 |