{"created":"2025-01-18T22:48:12.404809+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00014374","sets":["581:781:784"]},"path":["784"],"owner":"1","recid":"14374","title":["2枚の画像を用いたフォトメトリック・ステレオ"],"pubdate":{"attribute_name":"公開日","attribute_value":"1993-10-15"},"_buckets":{"deposit":"eaf8b8a2-d1ea-40f4-b867-cbc044c781d4"},"_deposit":{"id":"14374","pid":{"type":"depid","value":"14374","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"2枚の画像を用いたフォトメトリック・ステレオ","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2枚の画像を用いたフォトメトリック・ステレオ"},{"subitem_title":"Photometric Stereo with Two Images","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"特集：画像の認識・理解シンポジウムMIRU'92","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"1993-10-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名古屋大学工学部情報工学科"},{"subitem_text_value":"名古屋大学工学部情報工学科"},{"subitem_text_value":"名古屋大学工学部情報工学科"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"School of Engineering, Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"School of Engineering, Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"School of Engineering, Nagoya University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/14374/files/IPSJ-JNL3410011.pdf"},"date":[{"dateType":"Available","dateValue":"1995-10-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL3410011.pdf","filesize":[{"value":"1.3 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":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"156bf1c9-0c23-46c1-98a7-ccf90f49fbe6","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1993 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"楊駿"},{"creatorName":"大西昇"},{"creatorName":"杉江, 昇"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Jun, Yang","creatorNameLang":"en"},{"creatorName":"N0B0Ru, Ohnishi","creatorNameLang":"en"},{"creatorName":"N0B0Ru, Sugie","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"従来のフォトメトリック・ステレオ法では、面素の法線ベクトルを求めるのに、3つの方向の異なる光源による照明が必要で、物体形状を復元できる部分は3つの光源すべてで照明される領域に限定される。本研究では、使用する光源の数を減らして、2つの光源だけを用いて、2枚の濃淡画像から物体形状を復元し、物体表面の反射率を推定する新しいフォトメトリック・ステレオ法を提案する。2枚の画像を用いたフォトメトリック・ステレオ法では、なめらかな凸物体表面に持別な“分界線”が存在することを見い出し、この“分界線”が存在する条件と方程式の解との閣係を解析した。“分界線”を利用すると、2次方程式の2つの解から真の解を非常に簡便な方法で決定できる。さらに、反射率が未知で、未知数の数が方程式の数より多く、制約不足な問題に対しても、“分界線”の性質を利用することで、反射率と面の法線ベクトルを求めることができる。シュミレーション実験と実画像実験では、ノイズに対して非常にロバストな良い結果が得られた。","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"2152","bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicPageStart":"2143","bibliographicIssueDates":{"bibliographicIssueDate":"1993-10-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"10","bibliographicVolumeNumber":"34"}]},"relation_version_is_last":true,"item_2_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"３次元解析"}]},"weko_creator_id":"1"},"links":{},"id":14374,"updated":"2025-01-23T00:50:19.432716+00:00"}