{"created":"2025-01-19T01:18:15.591261+00:00","updated":"2025-01-19T15:21:50.616566+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217831","sets":["1164:4619:10826:10925"]},"path":["10925"],"owner":"44499","recid":"217831","title":["球面畳み込みニューラルネットワークを用いた光源状況推定"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-05-05"},"_buckets":{"deposit":"9001ce41-fdcb-4b0d-bb17-843f88a0e331"},"_deposit":{"id":"217831","pid":{"type":"depid","value":"217831","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"球面畳み込みニューラルネットワークを用いた光源状況推定","author_link":["565122","565121","565119","565120"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"球面畳み込みニューラルネットワークを用いた光源状況推定"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"卒論スポットライトセッション","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-05-05","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"京都大学大学院情報学研究科"},{"subitem_text_value":"京都大学大学院情報学研究科"}]},"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/217831/files/IPSJ-CVIM22230018.pdf","label":"IPSJ-CVIM22230018.pdf"},"date":[{"dateType":"Available","dateValue":"2024-05-05"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM22230018.pdf","filesize":[{"value":"1.1 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":"2bc08b67-dcf0-45e8-977e-ecc59ba0271c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"延與, 唯人"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山下, 浩平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"延原, 章平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"西野, 恒"}],"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":"物体の見えからの光源状況推定は，状況認識や自然な拡張現実に不可欠である．この問題は不良設定な逆問題であり，ニューラルネットワークによって学習できる解の拘束が有効である．しかし，平面畳み込みを用いる既存手法では，球面上の信号である光源状況を平面上のものとして扱っている．ドメインを無視したこのような処理では，フィルターの歪みや信号の連続性の破綻が生じるため，球面の信号や関数を正しく表現できない．本研究では，ドメインを正確に扱うために，球面畳み込みを用いたニューラルネットワークでこの問題を解く．既存手法と比較し，提案手法がより少ないパラメーターで，精度高く推定できることを示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","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":"2022-05-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicVolumeNumber":"2022-CVIM-230"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":217831,"links":{}}