{"created":"2023-07-27T06:25:06.662865+00:00","id":8275,"links":{},"metadata":{"_buckets":{"deposit":"c26a4360-82fd-4a3d-90c8-91405dc41ec9"},"_deposit":{"created_by":3,"id":"8275","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"8275"},"status":"published"},"_oai":{"id":"oai:kanazawa-u.repo.nii.ac.jp:00008275","sets":["934:935:936"]},"author_link":["11521","535","415","9900","11522","544"],"item_4_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-10-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"105","bibliographicPageEnd":"156","bibliographicPageStart":"151","bibliographicVolumeNumber":"2003","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告. SLDM, [システムLSI設計技術]"}]}]},"item_4_description_21":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"携帯情報端末応用のシステムLSIへの搭載を目的として,超低消費電カサブmW・MPEG4動き検出プロセッサコアIPを開発した.本LSIの特徴は2点ある.1)アルゴリズムに勾配法アルゴリズムを採用し,LSI向きに最適化することで演算量を劇的に削減し,かつ高画質を実現した.またさらに高画質を実現するサブブロック探索法を導入した.2)アーキテクチャの特徴は,16個の演算回路の並列配置によるSIMDデータパス,勾配法に専用化された演算回路,並列性を考慮したメモリデータマッピングである.0.18umCMOS5層メタルプロセスで試作し,lstシリコン動作を確認した.1:4サブサンプリング法よりも高画質かつ0.4mW(@QCIF15)の超低消費電力を達成できた. This paper describes a sub-mW motion estimation processor core for MPEG-4 video encoding. It features a Gradient Descent Search algorithm whose consumption power is only 6.8% of the l: 4-subsumpling search, producing higher picture quality. Another feature is an optimized SIMD datapath architecture to decrease a decrease a clock frequency and an operating voltage. It has been fabricated with CMOS 5-metal 0.18um technology. The measured power consumption to process a QCIF 15 fps video is 0.4mW under 0.85MHz, 1.0V.","subitem_description_type":"Abstract"}]},"item_4_description_5":{"attribute_name":"提供者所属","attribute_value_mlt":[{"subitem_description":"金沢大学理工研究域電子情報学系","subitem_description_type":"Other"}]},"item_4_publisher_17":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会"}]},"item_4_relation_28":{"attribute_name":"関連URI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://ci.nii.ac.jp/naid/110002665545/","subitem_relation_type_select":"URI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ipsj.or.jp/","subitem_relation_type_select":"URI"}}]},"item_4_rights_23":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"利用は著作権の範囲内に限られる"}]},"item_4_source_id_11":{"attribute_name":"NCID","attribute_value_mlt":[{"subitem_source_identifier":"AA11451459","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0919-6072","subitem_source_identifier_type":"ISSN"}]},"item_4_version_type_25":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"宮越, 純一"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"黒田, 雄樹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"深山, 正幸"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"今村, 幸祐"}],"nameIdentifiers":[{},{},{},{}]},{"creatorNames":[{"creatorName":"橋本, 秀雄"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"吉本, 雅彦"}],"nameIdentifiers":[{},{},{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-10-03"}],"displaytype":"detail","filename":"TE-PR-MIYAMA-M-151.pdf","filesize":[{"value":"590.6 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"TE-PR-MIYAMA-M-151.pdf","url":"https://kanazawa-u.repo.nii.ac.jp/record/8275/files/TE-PR-MIYAMA-M-151.pdf"},"version_id":"c6d171c1-2980-4091-a2ae-c8a0586d550d"}]},"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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"携帯動画像端末応用サブmW・MPEG4動き検出プロセッサコアIP(システムLSIの応用とその要素技術,専用プロセッサ,プロセッサ,DSP,画像処理技術,及び一般)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"携帯動画像端末応用サブmW・MPEG4動き検出プロセッサコアIP(システムLSIの応用とその要素技術,専用プロセッサ,プロセッサ,DSP,画像処理技術,及び一般)"},{"subitem_title":"A Sub-mW MPEG-4 Motion Estimation Processor Core for Mobile Video Applications","subitem_title_language":"en"}]},"item_type_id":"4","owner":"3","path":["936"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-10-03"},"publish_date":"2017-10-03","publish_status":"0","recid":"8275","relation_version_is_last":true,"title":["携帯動画像端末応用サブmW・MPEG4動き検出プロセッサコアIP(システムLSIの応用とその要素技術,専用プロセッサ,プロセッサ,DSP,画像処理技術,及び一般)"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2024-05-13T05:43:45.873532+00:00"}