{"created":"2023-12-14T00:44:24.238656+00:00","id":2000550,"links":{},"metadata":{"_buckets":{"deposit":"995e3a72-47f6-4657-afc4-6d10fffd7cbf"},"_deposit":{"created_by":15,"id":"2000550","owner":"15","owners":[15],"pid":{"revision_id":0,"type":"depid","value":"2000550"},"status":"published"},"_oai":{"id":"oai:kitami-it.repo.nii.ac.jp:02000550","sets":["1:86"]},"author_link":[],"control_number":"2000550","item_1646810750418":{"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_3_biblio_info_186":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"79","bibliographic_titles":[{"bibliographic_title":"土木学会論文集","bibliographic_titleLang":"ja"}]}]},"item_3_description_184":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"積雪寒冷地での道路管理においては，既往の防雪対策を適切に評価することが重要である．防雪設備周辺の吹きだまり等を計測するには，近年活用事例が増えているUAV-SfM測量が効率的だが，積雪環境特有の条件から点群作成の可否や精度低下などの問題点が指摘されていた．そこで本研究では，雪面の雪質や下向き短波放射（明るさの基準），積雪表面の反射率に着目し，使用するカメラのセンサーサイズや撮影高度を変化させ，点群作成の可否とその精度を検証した．その結果，積雪環境下においても，点群が欠けることなく無雪期同様に作成できることを確認した．また，推定値と実測値の比較により，相対誤差の平均値−4%，標準偏差2%が得られた．このことから，吹きだまりを対象とした場合，実用上は問題ないことを明らかにした．","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_3_publisher_212":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"土木学会","subitem_publisher_language":"ja"}]},"item_3_relation_191":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.2208/jscejj.22-00139","subitem_relation_type_select":"DOI"}}]},"item_3_rights_192":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"c 2023 土木学会","subitem_rights_language":"ja"}]},"item_3_select_195":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher","subitem_select_language":"ja"}]},"item_3_source_id_187":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2436-6021","subitem_source_identifier_type":"EISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"高橋 浩司","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"白川 龍生","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"長沼 芳樹","creatorNameLang":"ja"}]},{"creatorNames":[{"creatorName":"佐野 至徳","creatorNameLang":"ja"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2024-04-02"}],"filename":"79_22-00139.pdf","filesize":[{"value":"3.6 MB"}],"format":"application/pdf","mimetype":"application/pdf","url":{"url":"https://kitami-it.repo.nii.ac.jp/record/2000550/files/79_22-00139.pdf"},"version_id":"fbff2ceb-299d-45e9-b076-446869672090"}]},"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-SfM測量による防雪設備周囲の雪面形状計測法","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"UAV-SfM測量による防雪設備周囲の雪面形状計測法","subitem_title_language":"ja"}]},"item_type_id":"3","owner":"15","path":["86"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-12-14"},"publish_date":"2023-12-14","publish_status":"0","recid":"2000550","relation_version_is_last":true,"title":["UAV-SfM測量による防雪設備周囲の雪面形状計測法"],"weko_creator_id":"15","weko_shared_id":-1},"updated":"2024-04-02T01:03:24.435966+00:00"}