運動矢量 的英文怎麼說

中文拼音 [yùndòngshǐliáng]
運動矢量 英文
motion vector
  • 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...
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  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. Firstly, four alternative mode was introduces for h. 263 data compress arithmetic : the mode of nonrestrictive sportive vector, syntax - based arithmetic coding mode, the mode of supernal forecast, and the mode of pb frame

    首先詳細介紹了數據壓縮演算法h . 263以及h . 263演算法的四個可選模式:非限制運動矢量模式;基於語法的算術編碼模式;高級預測模式; pb幀模式。
  3. 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
  4. Thereby, a single candidate at the final - level search is enough to provide the desired performance. as a result, the algorithm performs only one local search at the finest level, and its overall computational cost and data bandwidth burden decrease. according to different motion area, the search methods dynamically are also introduced

    根據這個初始運動矢量對當前塊的運動類型進行分類，針對不同塊的不同運動內容，確定每一塊運動矢量搜索的起點、搜索的范圍和搜索策略，小運動塊的搜索范圍小，大運動塊的搜索范圍大，這樣既可節省計算量，也可以減小搜索范圍，而且不影響搜索精度，因而搜索效率高。
  5. The format transcoding includes the frame size conversion, frame rate or field rate conversion, and interlaced / progressive video conversion. in this chapter, the frame size trancoding with arbitrary rational number ratio of l / m is put forward

    提出了變換比例為任意有理數l m時的空域任意尺寸轉碼，以及針對任意尺寸轉碼器的運動矢量重用演算法。
  6. In order to guarantee the validity of this algorithm, firstly the characteristic of an image is extracted, then the frame is divided into several blocks. in each block feature points are chosen to estimate the motion vectors according to certain scanning order

    為了保證該演算法的有效性，先提取圖像的特徵，再採用分區的方法在各個分區內按一定的掃描順序選取灰度最大值點作為特徵點用於運動矢量的估計。
  7. In chapter 4, we discuss the method of vos abstraction based on temporal segmentation in detail. first we put forward affine modal, which is a kind of 3 - d motion modal of rigid body, compensate global motion vector based on this modal, and get the changed detection mask ( cdm ). then we introduce the conception of optical flow field, compute the local

    首先構建三維剛體運動的模型，提出一種計算模型的全局運動矢量的方法，並進行全局運動補償、變化檢測模板提取和連通域標記等步驟，然後引入光流場的概念，並介紹其計算原理和方法，用horn - schunck迭代法計算圖像中各點的局部運動矢量，並據此對變化檢測模板的結果進一步提取，獲得時域上分割的信息。
  8. 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。
  9. 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。
  10. This thesis studies technologies of block - based motion estimation and compensation in mpeq and gives a method, which is based on motion vector statistics, to calculate motion vector of whole object

    本文研究了mpeg中基於塊的運動估值與補償技術，提出一種基於運動矢量統計的運動分析方法。
  11. First, in chapter 2 block - based stereo video coding technologies are researched. based on the analyzing of the constraints of disparity distribution and corrections among disparity vectors as well as corrections between motion vectors and disparity vectors, fast algorithms for disparity estimation are proposed. experimental results show the proposed algorithms are efficient

    首先在第二章研究了基於塊的立體視頻編碼技術，重點分析了立體視頻中視差的特點及其分佈特性，研究了視差矢量和運動矢量之間的相關性，在此基礎上給出了視差估計的快速演算法，進行了實驗測試，實驗結果顯示快速演算法有很強的實用性，這是本文的一個創新點。
  12. Compensation method of motion among the frames is also an important factor to affect the stability of image sequence, if the image sequence is compensated directly with the acquired movement vectors, it will feel the jumping of frame. in the paper, the parameter to compensate for the current image can be determined by average value filtering and have been applied to given motion model to stabilize the image stream. it can realize smoothly processing the image sequences to assure its stabilization

    由於幀間運動的補償方法是影響圖像序列平穩性的一個重要因素，直接用運動矢量進行補償，將會使圖像產生跳躍感，本文提出採用均值濾波的方法來確定各幀的補償量，實現了圖像序列的幀間平滑銜接，提高了動態圖像序列的平穩性。
  13. Finding out the most resembled part as the matching part in the neighbor by using the present part, pointing at it by motion vector, then finding out the different part between the matching part and the present part, at last rebuilding the compressed frame by the matching part and the different part, this process is called motion compensation

    用當前部分在相鄰幀中尋找最相似的部分作為匹配部分，用運動矢量指向匹配部分，再用匹配部分與當前部分之間的差形成誤差部分，以匹配部分和誤差部分來重建壓縮圖像的過程叫運動補償。
  14. Detection of motion vector of cardiac myocyte using adaptive genetic algorithm

    自適應遺傳演算法用於心肌細胞運動矢量檢測
  15. A inter - frame error concealment algorithm based on motion estimation is proposed in this dissertation, the motion vectors and coding mode can be rebuilt, it can be applied in any frame modes and macroblock modes

    本文提出了基於運動估值的幀間預測錯誤隱藏演算法，能對運動矢量和編碼模式的進行有效重建，適應各種情況的幀間錯誤隱藏。
  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. At the middle level, the two candidates selected at the coarsest level and the other one based on spatial mv correlation at the finest level are used as center points for local searches, and a mv candidate is chosen for the next search level

    在第1層，同樣根據最小mse準則，選出一個運動矢量作為第0層的候選運動矢量。最終的初始運動矢量是在第0層，以所選出的候選運動矢量為中心獲得。
  19. Level numbers are ordered from 0 to 2, and level 0 and level 2 represent the finest and coarsest level, respectively. the algorithm limits mv candidates to only three at the middle level, and describes the algorithm with three resolution levels. at the coarsest level, two mv candidates are obtained on the basis of minimum matching error for the next search level

    根據序列圖像的時間、空間上的相關性，將每幀圖像依次按2 ： 1子抽樣分成三層分辯率，從最粗糙的頂層（第2層）按最小mse準則選出兩個運動矢量，再從最精細的底層（第0層）獲得一個運動矢量，作為第1層的三個候選運動矢量集。
  20. The standard is designed to give a new technical solution for a broad range of applications, such as very low bit rate conversational services and entertainment quality broadcast, interactive video - on - demand services etc. for the enhancement of the coding efficiencies, the new standard adopts new tools as following : multiple reference pictures, variable block - size with seven block sizes in motion prediction, quarter - pixel accuracy for motion vector, short word - length integer transform, context - adaptive entropy coding and loop filter deblocking

    H . 264 / avc標準支持從低帶寬、高誤碼率的無線移動視頻通信到高帶寬、低誤碼率的有線視頻廣播等多種應用，因此，日益受到業界的關注。為了實現更高的編碼效率， h . 264 / avc標準採用了很多新的編碼技術，如多參考幀預測、多尺寸編碼塊模式、 1 / 4像素精度運動矢量、整數變換量化、基於內容的熵編碼、新型幀內預測、去除方塊效應的濾波器等。
分享友人
分享到 Line

分享到臉書