{"updated":"2025-01-20T19:13:54.077715+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00141850","sets":["1164:4619:7845:8252"]},"path":["8252"],"owner":"11","recid":"141850","title":["距離画像の勾配に基づいたリサンプリングによる3次元点群の位置合わせの高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-05-11"},"_buckets":{"deposit":"b7ab1d8e-cdda-4c11-9ed0-16069c7ee7d1"},"_deposit":{"id":"141850","pid":{"type":"depid","value":"141850","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"距離画像の勾配に基づいたリサンプリングによる3次元点群の位置合わせの高速化","author_link":["208362","208361","208360","208363"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"距離画像の勾配に基づいたリサンプリングによる3次元点群の位置合わせの高速化"}]},"item_type_id":"4","publish_date":"2015-05-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州大学"},{"subitem_text_value":"九州大学"},{"subitem_text_value":"九州大学"},{"subitem_text_value":"九州大学"}]},"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/141850/files/IPSJ-CVIM15197020.pdf"},"date":[{"dateType":"Available","dateValue":"2017-05-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM15197020.pdf","filesize":[{"value":"3.3 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":"20"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"72de4505-7fca-45be-b843-3fd59758a7ba","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中川, 陽介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"内山, 英昭"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"長原, 一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"谷口, 倫一郎"}],"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":"3 次元点群間の位置合わせは，点群内の点数が増加するほど計算コストが増加するため，3 次元点群を均一リサンプリングやランダムリサンプリングによって間引くことにより，位置合わせの高速化が行われてきた．しかし，リサンプリングによって点を削減した場合，疎な 3 次元点群となるため，位置合わせの精度が低下する．本稿では，3 次元形状を保ちつつ点を削減するために，3 次元点群の局所特徴に基づいてリサンプリングする手法を提案する．リサンプリング処理を高速化するために，3 次元点群から推定される法線と 2 次元距離画像の勾配の関係に着目した．距離画像の勾配は 2 次元画像処理によって高速に算出されるため，各点の法線を距離画像の勾配によって表現することで，距離画像から高速な法線推定を行うことが可能である．その後，3 次元形状が特徴的な領域であるほど点を残すように 3 次元点群を間引いてリサンプリングを行う．実験では，位置合わせの精度と処理時間に関する比較評価を行い，提案手法の有効性を示した．","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":"2015-05-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"20","bibliographicVolumeNumber":"2015-CVIM-197"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:19:22.727595+00:00","id":141850,"links":{}}