運動分量 的英文怎麼說
中文拼音 [yùndòngfēnliáng]
運動分量
英文
component motion-
By analyzing the movement of maneuvering targets, the changing rule of angle vectors is summarized in the time field, and then some new vectors are introduced to modify the former residual error
通過對機動目標運動分析,總結出角度向量在時間域中的變化規律,通過引入新的計算向量,對原演算法殘差計算進行了修正。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。The percentage of preferential flow flux over the total infiltrated water can reach 2. 40 % ~ 48. 72 %
優先流水分通量最大可達剖面滲流水分通量的17200倍,會在很大程度上增加土壤水分運動通量。Turning variables iterative method for kinematic analysis of complex planar link ages
復雜平面機構運動分析的角變量逼近法The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented
摘要就《機械原理》課程的某些內容(如:拆桿組的方法、矢量方程圖解法的解題步驟、運動分析解析法的版本和方法、連桿機構的反轉法設計、極位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓半徑公式、機械的平衡等)的取捨和敘述進行探討,提出一些新的看法。The vasomotion was induced by noradrenaline na in vivo, then the changes of vasomotion after injecting si and ngmonomethyllarginine lnmma, a no synthase inhibitor were measured respectively on a tv monitor using a tv camera mounted on the microscope, and the influence of lnmma on effect of si was also observed
在活體情況下運用去甲腎上腺素noradrenaline , na血管運動誘導法誘導出血管運動,分別觀察靜脈注射g單甲基精氨酸gmonomethyllarginine , lnmma si后血管運動的變化及應用一氧化氮合酶抑制劑lnmma對si作用的影響,攝錄結果於監視器上用暫停功能測量。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。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。So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level
通過三種小波基( littlewood ? paley小波、 meyer小波、諧波小波)下的地震地面運動能量分析以及結構地震能量反應分析說明:直接通過加速度記錄可以求得地震動能量,由於小波系數中同時含有時域和頻域的能量,由此得出的能量比以往的方法更準確;在此基礎上求得了結構的能量反應時程,為結構設計及結構中設計耗能體系提供了具體的方法;通過這一章對比分析得出, littlewood ? paley小波不適合於作地震動能量分析和結構能量反應分析。For the purpose of wavelet ' s basic concept and wavelet transform fundamental principle, four wavelets : littlewood - paley wavelet, meyer wavelet, harmonic wavelet and odd exponent wavelet are used to analyze structural response under earthquake ; experimental investigation has been carried out for two - stories frame model ; this paper also analyzes earthquake ground motion energy and structural energy response based on wavelet ; this paper proposes dynamic reliability analysis for structure seismic response based on wavelet
針對小波的基本概念、小波變換的基本原理,本文提出了用四種小波: littlewood ? paley小波, meyer小波,諧波小波,單邊指數小波來進行結構地震反應分析、並對二層框架模型進行振動臺試驗研究、也進行了在小波基下的地震地面運動能量分析和結構地震能量反應、以及結構地震反應在小波基下的動力可靠性分析。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。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。A linear programming method of vector loop used in the analysis of mechanism motion and its error was introduced, the possibility of using the sensitivity of kinematic analysis for error was analyzed, and it was proposed for the error analysis model of the mechanism to make equivalent substitution for the dimensional error with basic kinematic joint element ( kinematic pair ) and as well to implement the linear programming method of vector loop for error analysis within the adams
摘要介紹機構運動分析與誤差分析的向量環路線性規劃法,分析運用運動分析靈敏度進行誤差分析的可能性,提出在機構誤差分析模型中用基本運動連接元素(運動副)對尺寸誤差進行等價替換,使誤差分析向量環路線性規劃法在adams中實現。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。This component of the motion can be extracted by appropriate methods detecting the global motion in the scene and can be seen as a preprocessing stage
可以用適當的方法通過檢測現場的全向運動提取這個運動分量,並把它作為預處理步驟。Research result shows : i. the gps data display the tendency of northen of plateau : from south to north, the northward branch becomes small and the ratio between eastward and northward becomes big. from west to east, the eastward becomes big. 2
青藏高原的gps速度矢量揭示了高原整體向北和向東的運動趨勢:由南向北,向北的運動分量逐漸減小,而向東與向北分量的比值則逐漸增大;由西向東,向東的運動分量逐漸增大。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。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。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。分享友人