{"created":"2023-06-20T15:15:21.381031+00:00","id":45430,"links":{},"metadata":{"_buckets":{"deposit":"e4174de2-8cc2-4db0-994f-d1ad5a918503"},"_deposit":{"created_by":1,"id":"45430","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"45430"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00045430","sets":["1887:1893","1896:1898:1913:1917"]},"author_link":["474772","474767","474771","474774","474768","474776","474769","474770","474773","474775"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル(英)","attribute_value_mlt":[{"subitem_alternative_title":"Real-time recognition of flat areas for lunar landing using the shape-from-shading technique."}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-08","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"21","bibliographicVolumeNumber":"1447","bibliographic_titles":[{"bibliographic_title":"独立行政法人航空宇宙技術研究所報告"},{"bibliographic_title":"Technical Report of National Aerospace Laboratory TR-1447","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"カメラ画像を使い月着陸時に障害物を回避する方法として、shape from shading の理論と解法について検討した。解法としては Tsai & Shah法とPentland 法を合成画像と実画像を使い評価した。処理の安定性と高速性の点からPentland法が優れているが、線型近似による形状復元精度の低下を再認した。実時間処理が可能なシステムとして、画像を分割してその領域の平坦度をPentland法により判定することにより、着陸可能な平坦地を抽出することを提案する。","subitem_description_type":"Abstract"}]},"item_3_description_17":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"The shape-from-shading technique is surveyed for application to obstacle avoidance for lunar landing. Tsai and Shah's algorithm is accurate, but it is time-consuming and sensitive to its boundary condition. Pentland's algorithm is robust and fast; however, it produces artifacts in reconstruction. We propose a real-time scheme of extracting flat areas instead of obstacles with Pentland’s method.","subitem_description_type":"Other"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: NALTR1447000","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: NAL TR-1447","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"航空宇宙技術研究所"}]},"item_3_publisher_9":{"attribute_name":"出版者(英)","attribute_value_mlt":[{"subitem_publisher":"National Aerospace Laboratory(NAL)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1347-4588","subitem_source_identifier_type":"ISSN"}]},"item_3_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00311347","subitem_source_identifier_type":"NCID"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"航空宇宙技術研究所飛行システム研究センター"},{"subitem_text_value":"航空宇宙技術研究所飛行システム研究センター"},{"subitem_text_value":"航空宇宙技術研究所構造材料研究センター"},{"subitem_text_value":"航空宇宙技術研究所飛行システム研究センター"},{"subitem_text_value":"航空宇宙技術研究所飛行システム研究センター"}]},"item_3_text_7":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Flight Systems Research Center, National Aerospace Laboratory(NAL)"},{"subitem_text_language":"en","subitem_text_value":"Flight Systems Research Center, National Aerospace Laboratory(NAL)"},{"subitem_text_language":"en","subitem_text_value":"Structures and Materials Research Center, National Aerospace Laboratory(NAL)"},{"subitem_text_language":"en","subitem_text_value":"Flight Systems Research Center, National Aerospace Laboratory(NAL)"},{"subitem_text_language":"en","subitem_text_value":"Flight Systems Research Center, National Aerospace Laboratory(NAL)"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"五味, 広美"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐々, 修一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山口, 功"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"二宮, 哲次郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"濱田, 吉郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"GOMI, Hiromi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"SASA, Shuichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"YAMAGUCHI, Isao","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"NINOMIYA, Tetsujiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"HAMADA, Yoshiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-29"}],"displaytype":"detail","filename":"naltr0001447.pdf","filesize":[{"value":"675.5 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"naltr0001447.pdf","url":"https://jaxa.repo.nii.ac.jp/record/45430/files/naltr0001447.pdf"},"version_id":"afbe60c0-d012-46a4-8bbb-f65ccb1d3143"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"image processing, shape from shading, obstacle avoidance, soft landing","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"technical report","resourceuri":"http://purl.org/coar/resource_type/c_18gh"}]},"item_title":"Shape from shadingによる月平坦地の実時間検出","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Shape from shadingによる月平坦地の実時間検出"}]},"item_type_id":"3","owner":"1","path":["1893","1917"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"45430","relation_version_is_last":true,"title":["Shape from shadingによる月平坦地の実時間検出"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-20T21:39:34.688169+00:00"}