{"created":"2024-02-15T01:55:01.419019+00:00","id":2000170,"links":{},"metadata":{"_buckets":{"deposit":"3f4178f3-b2e4-4c7e-a90b-4254119e03a0"},"_deposit":{"created_by":8,"id":"2000170","owner":"8","owners":[8],"pid":{"revision_id":0,"type":"depid","value":"2000170"},"status":"published"},"_oai":{"id":"oai:fra.repo.nii.ac.jp:02000170","sets":["15"]},"author_link":["1185","70"],"control_number":"2000170","item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-06-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicPageStart":"2911","bibliographicVolumeNumber":"15","bibliographic_titles":[{"bibliographic_title":"Remote Sensing","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Remote sensing is essential for monitoring fisheries. Optical sensors such as the day–night band (DNB) of the Visible Infrared Imaging Radiometer Suite (VIIRS) have been a crucial tool for detecting vessels fishing at night. It remains challenging to ensure stable detections under various conditions affected by the clouds and the moon. Here, we develop a machine learning based algorithm to generate automatic and consistent vessel detection. As DNB data are large and highly imbalanced, we design a two-step approach to train our model. We evaluate its performance using independent vessel position data acquired from on-ship radar. We find that our algorithm demonstrates comparable performance to the existing VIIRS boat detection algorithms, suggesting its possible application to greater temporal and spatial scales. By applying our algorithm to the East China Sea as a case study, we reveal a recent increase in fishing activity by vessels using bright lights. Our VIIRS boat detection results aim to provide objective information for better stock assessment and management of fisheries.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"MDPI","subitem_publisher_language":"en"}]},"item_10001_radio_30":{"attribute_name":"作成者","attribute_value_mlt":[{"subitem_radio_item":"渡邉","subitem_radio_language":"ja"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.3390/rs15112911","subitem_relation_type_select":"DOI"}}]},"item_10001_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"水産資源研究所　水産資源研究センター　漁業情報解析部（横浜）"}],"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"23237002","subitem_relation_type_select":"Local"}}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"en","subitem_relation_name_text":"MDPI 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Agency","affiliationNameLang":"en"},{"affiliationName":"水産研究・教育機構（退職）","affiliationNameLang":"ja"}]}],"creatorNames":[{"creatorName":"Tsuda, Masaki E.","creatorNameLang":"en"},{"creatorName":"津田, 真樹","creatorNameLang":"ja"},{"creatorName":"ツダ, マサキ","creatorNameLang":"ja-Kana"}],"familyNames":[{"familyName":"Tsuda","familyNameLang":"en"},{"familyName":"津田","familyNameLang":"ja"},{"familyName":"マサキ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"Masaki E.","givenNameLang":"en"},{"givenName":"真樹","givenNameLang":"ja"},{"givenName":"マサキ","givenNameLang":"ja-Kana"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Global Fishing Watch","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Miller, Nathan A.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Miller","familyNameLang":"en"}],"givenNames":[{"givenName":"Nathan 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