step search 中文意思是什麼
step search
解釋
步距搜索-
Thirdly, from the idea of locally linear approximate, another tangent - plane algorithm is presented for the distance between the convex nurbs surfaces. the critical step is the construction of the support mapping by gjk and lc to search for nearest points, and emphases are laid on dealing with isotropic cases and choosing initial iterated points. it is also proved that no isotropism during iteration would take place if initial iterated points are positive points
切平面法是運用gjk和lc構造支撐映射的原理而設計的一個搜索近點對的迭代法，著重給出了迷向情況的處理和初始迭代點的選取方法，並證明了只要將初始迭代點取為陽點，就不會出現迷向情況。 -
Simplifying the search area, as we have done here, is the first step in pathfinding
簡化搜索區域，如你目前完成的那樣，這是尋路的第一步。 -
This step was taken by italian biologists, who provided the last missing link in man's search for the cause of malaria.
義大利生物學家完成了這一步驟，從而填補了人類探索虐疾病因所缺少的最後一個環節。 -
It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one
從代價函數的梯度入手推導出共軛梯度演算法，其搜索方向保持不變而搜索步長變小，使濾波系數更加退近於點擴展函數逆運算元，從而使估計圖像與原始圖像更加接近。 -
Algorithm study on step one cell search in wcdma
第一步小區搜索演算法研究 -
Two - dimensional automatic layout system based on heuristic two - step search method
基於啟發式二步搜索法的二維板材自動排料系統 -
The results here improve and generalize those in the literature. in addition, a new step - size rule, which need not a line search, is presented for the damped gauss - newton algorithm. a nice global convergence result is obtained
同時，我們給出了一種不需要線性搜索的新的步長選擇方法，研究了在此步長規則下的阻尼gauss - newton方法，得到了一個更好的全局收斂結果。 -
According to the relation between searching step and adjusting step, step - advance following can be divided into four kinds : memory - extemum tracking, same - step - advance tracking, both - direction - search - equal - adjustment step tracking, both - direction - search - changeable - adjustment step tracking. in this system, by analyzing and comparing, we select the mode of both - direction - search - equal - adjustment step tracking
根據搜索步和調整步之間的關系，可把步進跟蹤分為四種：記憶極值式跟蹤、同一步步進式跟蹤、雙向搜索等調整步式步進跟蹤和雙向搜索變調整步式步進跟蹤。 -
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。 -
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。 -
For in general the motion in the sequences is small and the new three step search is especially effective for capturing the small motion
此外，該塊匹配演算法簡單易行效率較高，尤其對于捕捉較細小的運動更為有效。 -
H. 264 iso iec 14496 - 10 avc. itu - t sg16 q. 6 vceg and iso iec jtc 1 sc 29 wg 11 mpeg, jvt - g050r1, may 2003, pattaya. 3 li r, zeng b, liou m l. a new three - step search algorithm for block motion estimation
為了降低運動估計的復雜度，研究者們已經提出了很多方法，例如三步搜索演算法，基於塊的梯度下降演算法，鉆石型搜索演算法，六邊形搜索演算法，這些演算法都基於這樣一個假設:離起始搜索點越近，越有可能搜索到最佳運動矢量。 -
A new diamond search algorithm for fast - matching motion estimation is proposed to replace the traditional three - step search algorithm in the motion estimation region. experiments results demonstrate that the application on the new diamond search algorithm optimized by mmx has magnificently improved the efficiency of compression ratio and computing speed
實驗結果證明，經演算法改進和mmx技術優化的新鉆石搜索法遠勝於三步搜索法，大大提高了程序運行的效率，使系統達到了軟體實時編解碼的需要。 -
To distinguish false targets from the real one, a two - step search
為了區分目標是否為假，提出了泛搜索和深度搜索的兩步搜索策略。 -
The efficient three - step search uses two different search patterns : square pattern and small diamond pattern
高效三步法中使用了兩種搜索模板:正方形模板和小菱形模板。 -
Through testing many different block matching algorithms in the motion estimation, the new three step search algorithm is chosen, which can fulfill the requirement of the system
在運動估計中通過對多種塊匹配演算法進行實驗，選擇了一種可以滿足系統要求的演算法? ?新的三步搜索法。 -
An efficient three - step search has been proposed, which employs a center - biased small diamond pattern based on the three - step search and the unrestricted search step to search the center area
本文介紹了一種高效三步法，該演算法在三步法的基礎上增加了偏置中心的小菱形搜索模板和非確定性搜索步數來加強中心區域的搜索。 -
First, the related biological theories are introduced ; then, the whole algorithm is described in detail ; finally, the results of computer simulation and a comparison with the full search method ( fsm ) and the three - step search method ( tss ) are given
介紹了有關的理論知識，闡述了整個演算法，給出了計算機模擬結果，並與全局法和三步法作出了比較。 -
After a careful study of the standards of itu - t h. 26x series, i developed some new algorithms for motion estimation and intra - frame / inter - frame model selection in h. 263 + image compression encoding, by combination of some up - to - date methods published. in motion estimation, i proposed an algorithm of adaptive selection of 3 - step and 4 - step search
本論文在仔細研究了itu ? th . 26x系列標準的基礎上，綜合應用了新出現的一些演算法，對于h . 263 +圖象壓縮編碼演算法中運動估計和幀內、幀間模式選擇等關鍵部分作了研究。 -
According to minimum mean absolute difference criteria ( mad ), our paper uses three - step search algorithm to get the block vectors in two sequential images. main direction of object motion could be obtained by classifying and the average vector on main direction is the vector of whole object. this thesis starts with an introduction of the motion analysis
根據最小平均絕對差值（ mad ）準則，利用三步搜索演算法，計算出相鄰兩幀視頻圖象中各子塊的運動矢量，該演算法通過對運動矢量場中的運動矢量進行統計、分類，找到物體運動的主要方向，而主運動方向上的平均運動矢量就是物體運動的整體矢量。
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