{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00081110","sets":["1164:4619:6650:6717"]},"path":["6717"],"owner":"11","recid":"81110","title":["物体形状・反射特性・光源の同時推定の実装法と評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-03-08"},"_buckets":{"deposit":"a8faf692-5f1b-4938-a9b5-c0c81e16c527"},"_deposit":{"id":"81110","pid":{"type":"depid","value":"81110","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"物体形状・反射特性・光源の同時推定の実装法と評価","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"物体形状・反射特性・光源の同時推定の実装法と評価"},{"subitem_title":"Implementation and Evaluation of Simultaneous Estimation of Shape, Reflectance and Lighting","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2012-03-08","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"岡山大学"},{"subitem_text_value":"岡山大学"},{"subitem_text_value":"岡山大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Okayama University","subitem_text_language":"en"},{"subitem_text_value":"Okayama University","subitem_text_language":"en"}]},"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/81110/files/IPSJ-CVIM12181019.pdf"},"date":[{"dateType":"Available","dateValue":"2014-03-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM12181019.pdf","filesize":[{"value":"236.2 kB"}],"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":"dc1c5726-00f6-4ac1-b450-d2ef537a03a6","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2012 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"右田, 剛史"},{"creatorName":"槌谷, 洋介"},{"creatorName":"尺長健"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tsuyoshi, Migita","creatorNameLang":"en"},{"creatorName":"Yosuke, Tsuchiya","creatorNameLang":"en"},{"creatorName":"Takeshi, Shakunaga","creatorNameLang":"en"}],"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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"物体形状・反射特性・光源の同時推定は未知数が十万規模の非線形最適化であり，効率的なアルゴリズムと実装を要する．Levenberg-Marquardt法による解法で特に実行時間を要するのは，探索方向を決定する十万元規模の線形連立方程式，及び，その係数行列(ヘッセ行列)の計算である．本稿では，マルチコアCPUやGPUを利用した幾つかの計算法を述べ，実画像で性能を比較する．その結果，最大で数倍の性能が得られることを確認した．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Estimation of shape, reflectance and lighting is a numerical optimization with O(105) unknown parameters. A Levenberg-Marquardt approach to this problem requires a careful implementation of a sophisticated algorithm. Several algorithms and their parallel implementation on a multi-core CPU or a GPU are compared to show a substatial performance gain on real image sequences.","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":"2012-03-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"19","bibliographicVolumeNumber":"2012-CVIM-181"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"id":81110,"updated":"2025-01-21T19:29:50.126591+00:00","links":{},"created":"2025-01-18T23:35:25.166740+00:00"}