{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T05:05:31Z","timestamp":1787029531784,"version":"build-2736575974"},"reference-count":57,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T00:00:00Z","timestamp":1656633600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001691","name":"JSPS KAKENHI","doi-asserted-by":"publisher","award":["JP17H01516"],"award-info":[{"award-number":["JP17H01516"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"JSPS KAKENHI","doi-asserted-by":"publisher","award":["JPMXD0717935498"],"award-info":[{"award-number":["JPMXD0717935498"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"JSPS KAKENHI","doi-asserted-by":"publisher","award":["JPMXD0722678534"],"award-info":[{"award-number":["JPMXD0722678534"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"name":"MEXT-Program for the advanced studies of climate change projection","award":["JP17H01516"],"award-info":[{"award-number":["JP17H01516"]}]},{"name":"MEXT-Program for the advanced studies of climate change projection","award":["JPMXD0717935498"],"award-info":[{"award-number":["JPMXD0717935498"]}]},{"name":"MEXT-Program for the advanced studies of climate change projection","award":["JPMXD0722678534"],"award-info":[{"award-number":["JPMXD0722678534"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Disturbances in forest ecosystems are expected to increase by the end of the twenty-first century. An understanding of these disturbed areas is critical to defining management measures to improve forest resilience. While some studies emphasize the importance of quick salvage logging, others emphasize the importance of the deadwood for biodiversity. Unmanned aerial vehicle (UAV) remote sensing is playing an important role to acquire information in these areas through the structure-from-motion (SfM) photogrammetry process. However, the technique faces challenges due to the fundamental principle of SfM photogrammetry as a passive optical method. In this study, we investigated a UAV video-based technology called full motion video (FMV) to identify fallen and snapped trees in a windthrow area. We compared the performance of FMV and an orthomosaic, created by the SfM photogrammetry process, to manually identify fallen and snapped trees, using a ground survey as a reference. The results showed that FMV was able to identify both types of damaged trees due to the ability of video to deliver better context awareness compared to the orthomosaic, although providing lower position accuracy. In addition to its processing being simpler, FMV technology showed great potential to support the interpretation of conventional UAV remote sensing analysis and ground surveys, providing forest managers with fast and reliable information about damaged trees in windthrow areas.<\/jats:p>","DOI":"10.3390\/rs14133170","type":"journal-article","created":{"date-parts":[[2022,7,4]],"date-time":"2022-07-04T20:59:18Z","timestamp":1656968358000},"page":"3170","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["UAV Video-Based Approach to Identify Damaged Trees in Windthrow Areas"],"prefix":"10.3390","volume":"14","author":[{"given":"Flavio","family":"Furukawa","sequence":"first","affiliation":[{"name":"Laboratory of Ecosystem Management, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8587, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4894-556X","authenticated-orcid":false,"given":"Junko","family":"Morimoto","sequence":"additional","affiliation":[{"name":"Laboratory of Ecosystem Management, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8587, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nobuhiko","family":"Yoshimura","sequence":"additional","affiliation":[{"name":"Department of Environmental and Symbiotic Science, Rakuno Gakuen University, Ebetsu 069-8501, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Koi","sequence":"additional","affiliation":[{"name":"Center for Natural Hazards Research, Hokkaido University, Sapporo 060-8589, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8968-3594","authenticated-orcid":false,"given":"Hideaki","family":"Shibata","sequence":"additional","affiliation":[{"name":"Field Science Center for Northern Biosphere, Hokkaido University, Sapporo 069-0809, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masami","family":"Kaneko","sequence":"additional","affiliation":[{"name":"Department of Environmental and Symbiotic Science, Rakuno Gakuen University, Ebetsu 069-8501, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"723","DOI":"10.1641\/0006-3568(2001)051[0723:CCAFD]2.0.CO;2","article-title":"Climate Change and Forest Disturbances","volume":"51","author":"Dale","year":"2001","journal-title":"Bioscience"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1111\/j.1744-7429.1998.tb00058.x","article-title":"Typhoon Disturbance and Stand-level Damage Patterns at a Subtropical Forest in Taiwan1","volume":"30","author":"Mabry","year":"1998","journal-title":"Biotropica"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"3237","DOI":"10.1175\/JCLI-D-11-00415.1","article-title":"Future Changes in Tropical Cyclone Activity Projected by the New High-Resolution MRI-AGCM","volume":"25","author":"Murakami","year":"2012","journal-title":"J. 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