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研究生:蘇祥瑜
研究生(外文):Hsiang-YuSu
論文名稱:影像傳輸之新型態遠程流量預測器
論文名稱(外文):A Novel Long-Span Traffic Predictor for Video Transmission
指導教授:郭文光
指導教授(外文):Wen-Kuang Kuo
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電腦與通信工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:25
中文關鍵詞:遠程動態位元率位元率
外文關鍵詞:q-domainlong-span
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  • 被引用被引用:0
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為使得影像位元率控制能夠更為有效地預測,本論文將探討如何做遠程的動態位元率影像預測來估計可能與目前幀距離遙遠的傳輸幀,根據q-domain的特性位元率模型,以量化後離散餘旋轉換參數的三個特性提高建立位元率模型的準確性,接著透過遠程傳輸預測方式估計預測幀的位元率,與ρ-domain遠程動態位元率預測能降低其預測誤差。
To improve the rate control of videos can be more efficiently, we focus on how to use long-span frame prediction to predict the traffic frame that is far from the current frame. We use three characteristics from the quantized discrete cosine transform coefficients of q-domain characteristic-based bit-rate model to enhance the accuracy of rate model. Then we extend the use of long-span traffic predictor to estimate the predicted frame, that the proposed prediction has lower prediction error compared with ρ-domain long-span predictor.
第一章 序論 1
1.1研究動機 1
1.2背景 1
1.3論文架構 2
第二章 ρ-domain與q-domain的位元率模型及特性 3
2-1.1 ρ-domain概述 3
2-1.2 ρ-domain特性位元率曲線參數定義 3
2-1.3 ρ-domain特性位元率曲線之特性 4
2-1.4 ρ-domain 位元率曲線分析 7
2-2.1 q-domain概述 8
2-2.2對於ρ-domain R-Q模型的疑慮 8
2-2.3特性分析與基於特性的R-Q模型 10
2-2.4 q-domain參數快速提取架構 12
第三章 遠程即時動態位元率影像預測 14
3-1 ρ-domain幀位元率方程式 14
3-2 ρ-domain遠程即時動態位元率影像預測 15
3-3 q-domain幀位元率方程式 15
3-4 q-domain遠程即時動態位元率影像預測 16
第四章 實驗結果 18
4-1環境設定 18
4.2實驗結果 19
第五章 結論 21
參考文獻 22
附錄 25
附錄A 25

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