{"created":"2024-11-22T07:39:38.044926+00:00","id":2008737,"links":{},"metadata":{"_buckets":{"deposit":"6b9bf849-042f-4d47-a0fc-ac6c512d8525"},"_deposit":{"created_by":7,"id":"2008737","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2008737"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02008737","sets":["1713853213384:1713853295607"]},"author_link":["976","1231"],"control_number":"2008737","item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-01-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageStart":"129","bibliographicVolumeNumber":"11","bibliographic_titles":[{"bibliographic_title":"Symmetry","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"H.265/HEVC achieves an average bitrate reduction of 50% for fixed video quality compared with the H.264/AVC standard, while computation complexity is significantly increased. The purpose of this work is to improve coding efficiency for the next-generation video-coding standards. Therefore, by developing a novel spatial neighborhood subset, efficient spatial correlation-based motion vector prediction (MVP) with the coding-unit (CU) depth-prediction algorithm is proposed to improve coding efficiency. Firstly, by exploiting the reliability of neighboring candidate motion vectors (MVs), the spatial-candidate MVs are used to determine the optimized MVP for motion-data coding. Secondly, the spatial correlation-based coding-unit depth-prediction is presented to achieve a better trade-off between coding efficiency and computation complexity for interprediction. This approach can satisfy an extreme requirement of high coding efficiency with not-high requirements for real-time processing. The simulation results demonstrate that overall bitrates can be reduced, on average, by 5.35%, up to 9.89% compared with H.265/HEVC reference software in terms of the Bjontegaard Metric.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"MDPI","subitem_publisher_language":"en"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license 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Jenq-Shiou","creatorNameLang":"en"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2021-05-21"}],"displaytype":"detail","filename":"sym_11_2_129.pdf","filesize":[{"value":"903 KB"}],"format":"application/pdf","licensetype":"license_0","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://tokushima-u.repo.nii.ac.jp/record/2008737/files/sym_11_2_129.pdf"},"version_id":"55d7f104-7bc8-4eb8-8112-a9e4a66cfe94"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"H.265/HEVC","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"motion-vector prediction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"video-coding efficiency","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"CU 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Improvement"],"weko_creator_id":"7","weko_shared_id":-1},"updated":"2025-04-28T05:09:17.620073+00:00"}