block estimation 中文意思是什麼

block estimation 解釋
礦塊估計
  • block : n 1 片,塊,大塊;粗料,毛料;木料;石料;金屬塊;【建築】塊料,砌塊;【地質學;地理學】地塊。2 ...
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  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. The first facet is to put forward four - step block matching algorithm which can deduce the time of motion estimation and improve the coding efficiency, based on the traditional motion estimation algorithms. the second facet is to propose a new rate control algorithm, that is average - reaction rate control algorithm, based on the rate control of mpeg2. the new rate control algorithm can achieve rapid and efficient adaptive coding

    首先在對傳統的運動估計演算法進行研究和改進的基礎上,提出了四步搜索塊匹配的運動估計演算法,減少了運動估計的時間,提高了編碼效率;其次在分析mpeg2比特率控制的基礎上,提出了一種新的比特率控制演算法? ?平均響應比特率控制演算法,該演算法能夠快速有效的實現自適應編碼。
  3. In addition, a structure matching algorithm is proposed at the end of this paper. it is used for the solution of object tracing problems in water oil - driving project, where the water oil - driving micro images do not satisfy a block motion estimation criterion

    另外,本論文在第六章中還對不滿足塊運動檢測的微觀驅油圖象,通過結構匹配的辦法,解決了驅油研究中的跟蹤問題。
  4. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法,包括基於數據段估計的倒三譜演算法和超指數演算法,分析了演算法的估計方差和偏差等性能;由於超指數演算法計算量較大,不利於實時均衡,利用水聲通道的稀疏性,提出了一種基於稀疏互四階累積量和稀疏權的演算法,有效降低了超指數演算法的計算量。
  5. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。
  6. Consoidering the low bit - rate video encoding characteristics, background block search algorithm, which is based on diamond search algorithm was used to improve the motion estimation speed. and detection of all - zero block algorithm was chosen for the reason of static background sence in minotor video encoding application

    分析了低碼率監控視頻的特點后,我們對編碼演算法進行了修改,提出了基於鉆石搜索的背景塊運動搜索演算法和全零塊預判演算法,提高了編碼程序的效率。
  7. At last, the vlsi implementation complexity of motion estimation in video encoding is analyzed. furthermore, a fast block matching algorithm based on hardware implementation and its vlsi architecture are presented

    最後,本文對實時視頻編碼器中運動估計的vlsi實現方法進行了研究,提出了一種易於硬體實現的快速塊匹配演算法及其vlsi結構。
  8. According to wireless and mobile communication system ' s background, this thesis study on estimation of time - varying dispersive channel from four respects : ( 1 ) aid of pilots, ( 2 ) cyclic prefix ( cp ), ( 3 ) blind method, and ( 4 ) ofdm system with multiple transmitting antenna, in which the typical ways is decision - feedback algorithm and self - adaptive block algorithm

    本文以無線和移動通信系統為背景,從四個方面對時變色散通道下的ofdm系統的通道估計和均衡問題進行了研究。第一是基於導頻符號的通道估計方法,第二是基於循環前綴的通道估計方法,第三是通道的盲估計方法,第四是基於多天線ofdm系統的通道估計和均衡方法的研究。
  9. Video coding ; fast block motion estimation

    視頻編碼快速塊匹配運動估計
  10. A new fast search algorithm for block motion estimation

    一種新的快速塊匹配運動估計演算法
  11. 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。
  12. A new efficient vlsi architecture for full search block matching motion estimation. in vlsi - soc, rm montpellier, france, 2001, pp. 253 - 264

    本文還為這種演算法設計了一個硬體結構,該結構可以實現全流水,一拍內完成一個運動向量的搜索。
  13. Secondly, in foundation described basic theories model of the panel data analysis, the article built up the general block linear model expression form of panel data analysismodel. deduced parameter estimation and hypothesis test statistic and its probabilitydistribution

    其次在敘述面板數據分析基本理論模型的基礎上,建立了面板數據分析模型的一般分塊線性模型的表達形式,並推導了參數估計量和假設檢驗統計量。
  14. A fast non - iterative global motion estimation ( gme ) algorithm is disclosed for estimating the perspective transform global motion parameters from the motion vectors ( mv ) obtained from the block matching process that includes grouping a plurality of motion vectors in the input video stream into a predetermined number of groups of motion vectors, calculating a set of global motion parameters from each of the predetermined groups of the motion vector, and processing the set of global motion parameters generated from the calculation to obtain a final estimation

    本發明系關於一種快速非反覆式全域移動估測方法,以由區塊匹配程序中所獲得的移動向量去估測一透視轉換全域移動參數,其包含一分組步驟,將該輸入影像資料流中的多個移動向量區分成具有預定數目的移動向量之群組?一計算步驟,系依據每一群組中之移動向量,求取該等群組之全域移動向量參數值?一處理步驟,系處理計算步驟中所計算出的每一群組之群組全域移動向量參數值,以獲得一最後之全域移動向量。
  15. The implementation of integer biorthogonal time - domain lapped transform ( bintdlt ) using lifting scheme and bindct is proposed which is in the forms of shifts and adds and costs only 41 % computation as the bindwt. a novel video compression algorithm based on the bintdlt and overlapping block motion estimation / compensation is presented

    本文以二進整數dct為基礎,利用提升原理,提出時域雙正交重疊變換的整數實現演算法( bintdlt ) ,其計算只需要移位和加法運算,計算量僅為整數9 - 7小波變換的41 % 。
  16. A vlsi very large scale integration architecture is also proposed to implement the improved motion estimation algorithm. experimental results show that this algorithm - hardware co - design gives better tradeoff of gate - count and throughput than the existing ones and is a proper solution for the variable block size motion estimation in avs

    考慮到avs主要面向圖像尺寸較大的高清數字電視壓縮,這種高復雜度的運算已經超過了現有通用處理器的運算能力,因此有必要設計專門的快速演算法和與這種演算法相匹配的硬體加速器。
  17. 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。
  18. 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。
  19. 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。
  20. Simulation results show reconstructed image of this technique has good overall visual effect and has no block profile which may exist in block matching motion estimation method. mrme ' s time requirement approximates that of block logarithm search algorithm

    模擬結果表明,該方法重建的解碼圖像整體感好,無塊匹配搜索法的塊輪廓,而編碼速度和塊對數搜索法相當。
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