使用預測移動向量的快速多參考幀移動預估

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Title:	使用預測移動向量的快速多參考幀移動預估
Authors:	鄭芳炫 Cheng, Fang Hsuan
Contributors:	資訊工程學系 Computer Science & Information Engineering
Keywords:	區塊模式選擇;移動向量預測;多參考幀;位元率與失真最佳化 Block Mode Decision;Motion Vector Prediction;Multiple Reference Frames;Rate Distortion Optimization
Date:	2009
Issue Date:	2014-06-27 01:35:11 (UTC+8)
Abstract:	縱觀H.264/AVC編碼規格，可以發現以品質提升為出發點的規格改良上，經常導致計算時間直線性的成長；舉凡畫面內預測(Intra Prediction)、多參考幀的移動補償(Multiple reference pictures for motion compensation)、變動區塊的模式選擇(Mode Decision)等等新規格皆有此特點。就多參考幀的移動補償而言，以往的編碼法經常只拿前一張畫面當成編碼參考對象，事實上最相似的區塊可能存在於前面的數張之中，因此H.264/AVC在規格上提供了多參考 In H.264/AVC, it is found that quality improvement of new proposed specification such as intra prediction, multiple reference picture motion compensation, mode decision of variable-size block etc. leads to linear increment of encoding time. For multiple r
Appears in Collections:	[Department of Computer Science and Information Engineering] Journal Articles

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