{"updated":"2025-01-19T11:35:40.138151+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00229229","sets":["1164:4619:11188:11420"]},"path":["11420"],"owner":"44499","recid":"229229","title":["漏えい電磁波を利用したDual PhotographyによるNLoSイメージング"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-11-09"},"_buckets":{"deposit":"461ef0df-07f1-4193-8ef9-28504eec1b23"},"_deposit":{"id":"229229","pid":{"type":"depid","value":"229229","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"漏えい電磁波を利用したDual PhotographyによるNLoSイメージング","author_link":["616052","616054","616053","616055"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"漏えい電磁波を利用したDual PhotographyによるNLoSイメージング"}]},"item_type_id":"4","publish_date":"2023-11-09","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"千葉大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"奈良先端科学技術大学院大学"},{"subitem_text_value":"千葉大学"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/229229/files/IPSJ-CVIM23235009.pdf","label":"IPSJ-CVIM23235009.pdf"},"date":[{"dateType":"Available","dateValue":"2025-11-09"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM23235009.pdf","filesize":[{"value":"3.2 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"20"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"db43699a-a1b6-4c4d-a59c-e2568e0d581e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"大石, 真也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"北澤, 太基"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"林, 優一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"久保, 尋之"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11131797","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8701","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本研究では，漏えい電磁波を利用した新たな NLoS イメージングのアプローチを提案する．従来の NLoS イメージングは，ToF カメラを用いた時間ドメインの撮影を用いる方法や，機械学習を用いる手法，WiFi を利用する手法などが提案されてきた．本手法では，ディスプレイやプロジェクタなどの映像機器からの漏えい電磁波とその反射光の関係を用いる手法を提案する．これは，壁を隔てた先に投影される映像を漏えい電磁波によって推定し，その反射光から Dual photography の原理を用いて，光源視点の画像を再構成する．従来の Dual photography では，プロジェクタが投影する映像は既知として扱うことが多い．一方で，本研究ではプロジェクタで投影する映像は未知であり，漏えい電磁波を用いて推定するものとする．制約付き凸最適化を用いることで，光源視点の画像が再構成できることを確かめ，さらに推定で得られた画像は必ずしも正確ではないため，その不確かな光源情報が光輸送行列を求めるための撮影枚数や生成した画像の精度に与える影響を実験的に確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータビジョンとイメージメディア（CVIM）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-11-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"2023-CVIM-235"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:28:21.373441+00:00","id":229229,"links":{}}