{"_buckets": {"deposit": "773cc26d-b1aa-4884-bbd6-eeaa01e1e380"}, "_deposit": {"id": "30256", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "30256"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00030256", "sets": ["2510"]}, "author_link": ["100154", "100155", "100156", "100157", "100158", "100159"], "item_10_alternative_title_19": {"attribute_name": "その他のタイトル", "attribute_value_mlt": [{"subitem_alternative_title": "Information acquisition of forest resources using photographing from UAV : Case study in the Mie University Forest, Hirakura", "subitem_alternative_title_language": "en"}]}, "item_10_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2017-04-28", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "90", "bibliographicPageStart": "87", "bibliographicVolumeNumber": "65", "bibliographic_titles": [{"bibliographic_title": "中部森林研究"}]}]}, "item_10_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "近年，国際的に様々な分野で開発・活用が進められているUAV(無人航空機）は森林・林業の分野においても注目を集めている。特に，UAVを森林モニタリングツールとして活用することで，従来の森林資源調査における欠点を解消し，より効率的な調査が可能になると期待されている。そこで本研究では，大学演習林でのUAVを用いた空撮実験から，SfM (Structure from Motion)技術による画像解析手法を用いて，三次元モデルの作成，樹高・胸高直径の推定及び精度検証，再空撮時の誤差比較を行い，今後の活用の方向性を検討した。精度検証の結果，推定樹高の二乗平均平方根誤差(RMSE)=1.58m,樹高と直径の関係式から推定される胸高直径はRMSE=3.88cm,再空撮時の推定樹高誤差はRMSE=0.21mであった。", "subitem_description_language": "ja", "subitem_description_type": "Abstract"}]}, "item_10_identifier_registration": {"attribute_name": "ID登録", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/chufr.65.87", "subitem_identifier_reg_type": "JaLC"}]}, "item_10_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "中部森林学会事務局", "subitem_publisher_language": "ja"}]}, "item_10_select_15": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_10_source_id_61": {"attribute_name": "ISSN（print）", "attribute_value_mlt": [{"subitem_source_identifier": "1342-971X", "subitem_source_identifier_type": "PISSN"}]}, "item_1615787544753": {"attribute_name": "出版タイプ", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "open access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_abf2"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "廣瀬, 裕基", "creatorNameLang": "ja"}], "nameIdentifiers": [{"nameIdentifier": "100154", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "沼本, 晋也", "creatorNameLang": "ja"}], "nameIdentifiers": [{"nameIdentifier": "100155", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "松村, 直人", 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false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 1200000.0, "url": {"label": "chufr_65_87.pdf", "objectType": "fulltext", "url": "https://nagoya.repo.nii.ac.jp/record/30256/files/chufr_65_87.pdf"}, "version_id": "070e80ec-b2c6-4d47-af59-a02b5b8612c8"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "森林モニタリング", "subitem_subject_scheme": "Other"}, {"subitem_subject": "リモートセンシング", "subitem_subject_scheme": "Other"}, {"subitem_subject": "UAV", "subitem_subject_scheme": "Other"}, {"subitem_subject": "SfM", "subitem_subject_scheme": "Other"}, {"subitem_subject": "GIS", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "UAVを用いた空撮による森林資源情報の把握 : 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