博碩士論文 985203020 完整後設資料紀錄

DC 欄位 語言
DC.contributor通訊工程學系zh_TW
DC.creator謝其璋zh_TW
DC.creatorChi-Chung Hsiehen_US
dc.date.accessioned2011-8-22T07:39:07Z
dc.date.available2011-8-22T07:39:07Z
dc.date.issued2011
dc.identifier.urihttp://ir.lib.ncu.edu.tw:444/thesis/view_etd.asp?URN=985203020
dc.contributor.department通訊工程學系zh_TW
DC.description國立中央大學zh_TW
DC.descriptionNational Central Universityen_US
dc.description.abstract相較於過往的視訊壓縮標準,H.264/AVC 能提供更好得視訊品質與編 碼效能,最主要的原因在於其採用了許多先進的技術,像可變區塊大小的 移動估測,但在此同時,計算複雜度亦會無法提升至無法令人接受的地 步,過往已經有許多高效率的演算法是針對P 畫面編碼以降低其計算複雜 度,卻沒有文獻在探討B 畫面與P 畫面的差異,基於此原因,本論文中我 們將針對B 畫面編碼以提出高效率的模式決策機制來加速B 畫面的編碼, 除此之外,我們亦提出了一種高效率移動估測演算法來再次的節省編碼時 間,實驗結果顯示,比起傳統的B 畫面編碼,我們所提出的演算法不但可 以在節省計算複雜度的同時亦能增加編碼的效能。 zh_TW
dc.description.abstractH.264/AVC achieves significantly better coding performance, compared to revious video coding standard. This is because that many advanced techniques are employed in H.264/AVC, such as variable block sizes motion estimation. Therefore, the computation complexity is unbearable. Many efficient algorithms have been proposed for P frame coding to reduce the computation complexity. In this thesis, we focus on B frame coding and propose efficient mode decision scheme to speed up the B frame coding. In addition, an efficient motion estimation algorithm, has been proposed to further reduce the coding time. The experimental results show that our proposed algorithm can reduce the computation complexity while improving the coding performance, when compared to original B frame coding scheme. en_US
DC.subject區塊模式決策zh_TW
DC.subjectH.264/AVCzh_TW
DC.subject移動估測zh_TW
DC.subject零區塊zh_TW
DC.subject編碼區塊樣式zh_TW
DC.subjectB畫面zh_TW
DC.subject帶狀搜尋zh_TW
DC.subjectH.264/AVCen_US
DC.subjectB sliceen_US
DC.subjectzonal searchen_US
DC.subjectcoding block patternen_US
DC.subjectzero-blocken_US
DC.subjectmotion estimationen_US
DC.subjectblock mode decisionen_US
DC.titleH.264/AVC中一種B畫面的模式決策及移動估測之研究zh_TW
dc.language.isozh-TWzh-TW
DC.titleAn Efficient Mode Decision and Motion Estimation for B Slice in H.264/AVCen_US
DC.type博碩士論文zh_TW
DC.typethesisen_US
DC.publisherNational Central Universityen_US

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