{"created":"2021-03-01T06:18:20.732533+00:00","id":1759,"links":{},"metadata":{"_buckets":{"deposit":"c14dee4a-bf71-4767-ae2f-9ad85632b4fe"},"_deposit":{"id":"1759","owners":[],"pid":{"revision_id":0,"type":"depid","value":"1759"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00001759","sets":["34:105:262","9:233:234"]},"item_7_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-02-03","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{}]}]},"item_7_date_granted_25":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2006-03"}]},"item_7_degree_name_20":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"修士(情報理工学)"}]},"item_7_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本研究では，自由視点画像合成技術を光線空間符号化の前処理として利用することで，任意の視点位置での2次元合成画像を中心とした階層性を実現する，スケーラブルな符号化手法を提案する．提案手法では，まず視域の中から1つの視点位置を自由に選び，それを「代表視点位置」と定める．そして，その視点における2次元画像をキーとして符号化を行う．これは，代表視点位置およびその周辺の情報を重点的に符号化し，それ以外の視点位置における情報をビットレートに応じて付加していく，階層的な符号化方式である．すなわち，復元可能な視点数と各視点位置における合成画像品質が，ビットレートの向上に伴って改善されるようなスケーラビリティを実現する．評価実験においては，2つの異なる多眼撮像系により取得されたデータ（カメラアレイ入力およびインテグラルフォトグラフィ入力）を利用して提案手法の有効性を検証する．これにより，提案手法では高い圧縮効率と視点依存階層性という機能性の両立が可能であることを示す．","subitem_description_type":"Abstract"}]},"item_7_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"5526","nameIdentifierScheme":"WEKO"}],"names":[{"name":"タグチ, ユウイチ"}]}]},"item_7_select_21":{"attribute_name":"学位","attribute_value_mlt":[{"subitem_select_item":"master"}]},"item_7_text_24":{"attribute_name":"研究科・専攻","attribute_value_mlt":[{"subitem_text_value":"情報理工学系研究科電子情報学専攻"}]},"item_7_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大学院情報理工学系研究科電子情報学専攻"},{"subitem_text_value":"Graduate School of Information Science and Technology Department of Information and Communication Engineering The University of Tokyo"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田口, 裕一"}],"nameIdentifiers":[{"nameIdentifier":"5525","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-05-31"}],"displaytype":"detail","filename":"48046417.pdf","filesize":[{"value":"14.4 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"48046417.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/1759/files/48046417.pdf"},"version_id":"051fb302-6ab4-4cf8-92cc-d4a1e1a952fe"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"光線空間符号化","subitem_subject_scheme":"Other"},{"subitem_subject":"自由視点画像合成","subitem_subject_scheme":"Other"},{"subitem_subject":"スケーラビリティ","subitem_subject_scheme":"Other"},{"subitem_subject":"階層性","subitem_subject_scheme":"Other"},{"subitem_subject":"Model-aided coding","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":"thesis","resourceuri":"http://purl.org/coar/resource_type/c_46ec"}]},"item_title":"自由視点画像合成に基づく3次元空間情報の視点依存型符号化の研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"自由視点画像合成に基づく3次元空間情報の視点依存型符号化の研究"}]},"item_type_id":"7","owner":"1","path":["234","262"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-08-08"},"publish_date":"2011-08-08","publish_status":"0","recid":"1759","relation_version_is_last":true,"title":["自由視点画像合成に基づく3次元空間情報の視点依存型符号化の研究"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T03:43:12.495455+00:00"}