運量估計 的英文怎麼說

中文拼音 [yùnliánggūjì]
運量估計 英文
traffic estimate
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 運量 : traffic volume
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )

    提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明，在編碼性能損失很小的條件下，可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。
  2. A novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed. the motion estimation operation is performed only on the compensable blocks in the image frame. the time of estimation computation and the bits for coding the motion vectors are all reduced significantly than those of conventional algorithms

    本文介紹了一種新穎的運動矢量估計演算法，我們首先對待編碼的圖像進行可補償性分析，然後運動矢量搜索只對可補償塊操作，因此無論是搜索次數還是用於對運動矢量編碼的比特數均明顯少於傳統演算法
  3. Researched four technology of structure conversion about digital video, de - interlaced, frame ratio down or up, row ration down or up, the width and high transforming, implemented lots of corresponding arithmetic of four techniques, motion compensate structure conversion method based on the motion estimating improved the image sequence definition and liquidity degree

    4研究了數字視頻結構變換的四種技術：去隔行技術，變頻技術，行頻轉換技術，寬高比變換技術。實驗驗證了大量的相關演算法，其中基於運動估計的運動補償結構轉換方法，清晰度和流暢度得到了很大的提高。
  4. We propose an algorithm, which integrate the shift invariance of redundant discrete wavelet transformation ( rdwt ) and the flexibility of multi - resolution motion estimation, to overcome the shift variance of dwt and get the precise motion vector. under the different code parameter, we take the proposed algorithm compared to several present algorithms, and experiment results have shown that proposed algorithm could leave less energy in the residual frames, get more precise motion vector and better reconstructed frames

    文章最後在不同的編碼參數下，將所提演算法與兩種傳統小波域運動估計演算法作比較，根據實驗所得數據分析，發現所提演算法在性能上要優于另外幾種演算法，具體體現在運動估計后所得殘差幀能量更小，重構幀客觀與主觀質量更高。
  5. In this paper a system for segmenting and tracking the objects from sequences is designed. this system is mainly made up of three parts that are the motion estimation giving out the motion vectors, the edge detection finding the edge points and contour and the deformable contour achieving the segmentation and tracking for the objects

    本文設計了一種基於可變輪廓的序列圖像的分割和跟蹤系統，該系統主要由三個部分組成：運動估計給出運動向量，邊緣點輪廓提取得到圖像的邊界圖和外輪廓，而可變輪廓分割方法實現目標分割和跟蹤。
  6. To reduce the runtime of the software, fast algorithms are adopted in the motion estimation and dct modules. moreover, this paper introduces early detection of zero motion vector and all zero coefficients to optimize the coding process

    為了提高軟體運行速度，對運算時間較長的運動估計和dct模塊採用快速演算法，並對編碼過程進行優化，採用了零運動矢量和零系數提前判決的方法，節省了很大一部分塊匹配搜索和dct運算時間。
  7. We provide the error analysis and the computation complexity of the algorithms including the case of the fixed grid level and the case of the arbitrary grid level

    文中分固定網格層數和任意網格層數兩種情況分析了演算法的收斂性，並給出了相應的運算量估計。
  8. An outstanding method of motion estimate can get an accurate motion vector

    一種優秀的運動估計技術應該能得到精確的運動矢量。
  9. It can exactly get the very motion vector. because of its large computational complexity, people tried many other methods

    運動向量估計在編碼過程中占運算量很大的部分，比重是50 %以上。
  10. From angiographic images of two approximately orthogonal views, 3d reconstruction and motion estimation of arterial skeletons are acquired

    首先對由兩個角度的造影圖像重建得到的三維血管骨架進行運動估計，計算出兩個時刻間骨架上各點的三維運動向量。
  11. It is believed by these algorithms that very good matches are likely to be found in the vicinity of reasonably good matches. although this assumption might not be necessarily true, it is useful for reducing the computation as the search can be broken down into stages where the algorithm successively narrows down on the regions of good matches. there are a large number of algorithms that make this assumption and these may be classified as algorithms based on the principle of locality

    目前用於計算運動向量的快速搜索法經常因為陷入局部最小而不能準確的計算到運動向量或者計算量過大讓人不能接受，提高運動向量估計的計算速度對于實時視頻壓縮編碼有著重要的意義，更重要的是要在保證估計精確度的前提下提高提高運動向量估計的計算速度，常見的搜索法往往不能在陷入局部最小和計算量上找到一個合適的平衡點。
  12. This paper research the mpeg - 4 standard first and realize the encoder and decoder of video of mpeg - 4. then the paper emphasize two key techniques in mpeg - 4 encoder : motion estimation and sprite encode. motion estimation takes the largest time in all parts of mpeg - 4 encoder. the paper concluded some typical me techniques, research and realize the mvfast arithmetic whice is recommend by iso, then improved mvfast by considering the temporal candidate motion vector and adjustal thresholds

    然後，本論文重點研究了mpeg - 4編碼過程中兩項關鍵技術：運動估計和背景圖像編碼。運動估計是編碼過程中最重要，耗時最長的部分。本論文總結了常見的運動估計演算法，深入研究並實現了iso推薦的運動估計優化演算法mvfast ，在此基礎上，引入了時間參考運動向量和可調的門限參考值，對mvfast演算法進行了改進。
  13. As a straightforward method, the full search algorithm ( fs ) is widely used because of its high performance. usually, fs is computationally expensive in a video encoder. as a result, in order to reduce the heavy computational load of fs, active research has focused on fast bmas for a long time and several sub - optimal search algorithms for block - based motion estimation have been developed. these include : three step search ( tss ), four step search ( fss ), two - d logarithmic search, orthogonal search, cross search, etc

    目前塊匹配運動估計演算法有很多，如全搜索法、三步法、共軛方向搜索法、二維對數搜索法、交叉搜索法、鉆石搜索法以及四步搜索法等，它們各有優缺點，全搜索法精度高，但計算量大，三步搜索法和交叉搜索法搜索速度較快，但搜索誤差較大，容易陷入局部最小值。
  14. Secondly we analyze the process of motion estimation and compensation. we use nearest - neighbors search ( nns ) algorithm, instead of full search algorithm, to reduce search times with little degradation. we use sad as block match function, due to the appropriate computation and easy hardware implementation

    其次分析了運動估計與補償過程，採用最鄰搜索作為搜索策略，在搜索質量下降很少的前提下，大大減少了搜索次數；採用適于硬體實現且計算量適中的sad作為塊匹配準則函數。
  15. The signing of the deal coincided with the fifth annual asia cooperation dialogue meeting taking place in doha with the participation of asian foreign ministers including south korea ' s ban ki - moon. the carriers will be leased to qatar liquefied gas company, a joint venture between qatar petroleum and energy giant exxonmobil, to transport lng from one of their largest projects at the north field, estimated to contain nearly 10 percent of the world ' s proven gas reserves

    這些液化天然氣運輸船在交貨后將會被租借給卡達液化氣公司，這是一家由卡達石油公司與能源業巨頭埃克森美孚公司共同組建的合資公司，卡達北方油田所擁有的天然氣儲量估計約佔全球已探明天然氣總量的10 % ，而該公司在這一地區擁有多個超大型油氣田，它們將會使用這些船隻把其中一個油氣田裡所出產的天然氣向外輸出。
  16. An error detecting method which can prevent the decoding error affecting the next video packet head is used, and a restoration measure for b frame based on the mv prediction which can improve the visual quality has been studied. 3. a novel marking algorithm for ip diffserv based on the transmission condition and the different importance of video streams for decoder has been introduced

    2實現了mpeg - 4的差錯檢測、可逆變長解碼rvld和差錯掩蓋方法:對i或p幀紋理區的差錯先用rvld進行解碼，然後對殘留的差錯用空間插值或運動補償方法進行掩蓋，而對p幀的運動矢量mv ，利用圖像的空間平滑特性進行恢復; 3針對b幀差錯的復原，我們還提出了一種基於運動估計的方法。
  17. On condition that quality of picture restructured is insured, with a view to the motion estimation algorithms that costs the longest coding time, the method of prejudgment of zero motion vector is adopted in this paper, which makes about 50 percent motion estimation computation left out, so the encoding speed of encoder can be further increased

    為了解決質量和實時性的矛盾，本方案在保證質量的前提下，針對運算時間較長的運動估計模塊，給出了零運動矢量提前判斷的方法，從而省去了約50的匹配塊搜索運算，提高了h
  18. Afterwards, the simulation of the frequently - used search algorithms will be undertaken, for instance, three step search algorithm, four step search algorithm, new three step search algorithm, diamond search algorithm etc. after the comparison between those search algorithms in terms of accurateness of search and complexity metrics of calculation, it is shown that the diamond search algorithm has the best performance

    主要內容有:首先，從mpeg - 4視頻編碼的核心模塊運動估計入手，對常用的四種搜索演算法進行了模擬，從搜索準確度和計算復雜度兩方面給出對比結果。優化了菱形搜索演算法的搜索流程，避免了重復計算。 sad計算時採用提前退出策略，減小了計算量而沒有損失搜索準確度。
  19. It is significant in both theoretics and practicality to combine the motion estimate technique and research of data compressed coding to solve the problem of huge information data in video, which is an important question for discussion in image processing field and image communication field

    利用運動估計技術，結合對數據壓縮編碼的研究，解決視頻消息數據量大的問題，具有重要的理論和實際意義，是一個圖像處理領域和圖像通信領域極其重要的研究課題。
  20. But now, mpeg2 ' s compressing and decompressing algorithms and mechanism is inviable to mapc - ca ' s architecture, the hardware can not efficiently work. aim at these mostly questions of mpeg2 ' s real - time handling, mpeg2 ' s video coding and decoding system based on map - ca have been implemented. mpeg2 ' s key algorithms have been improved

    針對mpeg2實時處理中面臨的主要問題，課題基於mapca實現了mpeg2實時編碼解碼系統；改進了mpeg2關鍵演算法，提出了新的實現方法，如量化反量化演算法， dct變換idct變換演算法，運動估計演算法等；利用datastreamerdma控制器進行數據傳輸，最大限度地減少數據等待時間。
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