{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00220334","sets":["1164:1579:10818:11010"]},"path":["11010"],"owner":"44499","recid":"220334","title":["回帰木に基づく畳み込み演算の直接近似手法"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-10-04"},"_buckets":{"deposit":"69c6eba9-c03c-4a17-8b47-78f50e80ecb8"},"_deposit":{"id":"220334","pid":{"type":"depid","value":"220334","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"回帰木に基づく畳み込み演算の直接近似手法","author_link":["576126","576125"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"回帰木に基づく畳み込み演算の直接近似手法"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"近似計算","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-10-04","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学大学院情報理工学系研究科"},{"subitem_text_value":"東京大学大学院情報理工学系研究科"}]},"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/220334/files/IPSJ-ARC22250021.pdf","label":"IPSJ-ARC22250021.pdf"},"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC22250021.pdf","filesize":[{"value":"1.4 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_login","version_id":"c20f5cf1-1fc9-4c61-81ae-49ae6b971572","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"空閑, 康太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高前田, 伸也"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10096105","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":"2188-8574","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"畳み込み演算は,画像処理や深層学習で頻繁に用いられている.畳み込み演算は乗算を数多く含むため,計算コストが高く,多くの近似手法が提案されている.本稿では,乗算器を用いずに軽量な組み合わせ回路で畳み込み演算を実現することを目的として,入力画像の分布やフィルタ係数の値に基づく学習型の近似手法を提案する.軽量な回帰木を用いることで乗算を省略し,加算と分岐のみで畳み込み演算を近似する.また,高速化の面でソフトウェアでは採用しにくい,勾配ブースティングや特徴量エンジニアリングを採用し,並列度を生かした精度向上や低遅延化を狙う.本稿では,ガウシアンフィルタとソーベルフィルタに提案手法を適用し,回路規模と演算精度の関係を明らかにした.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"5","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ(ARC)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-10-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"21","bibliographicVolumeNumber":"2022-ARC-250"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":220334,"updated":"2025-01-19T14:36:03.497116+00:00","links":{},"created":"2025-01-19T01:20:22.773158+00:00"}