梯度運算元 的英文怎麼說

中文拼音 [tīdùyùnsuànyuán]
梯度運算元 英文
gradient operator
  • 梯 : Ⅰ名詞1 （梯子; 樓梯） ladder; stairs; steps; staircase 2 （姓氏） a surname Ⅱ形容詞（形狀像樓梯的...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; 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...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 運算 : [數學] operation; arithmetic; operating
  1. By two ways, this paper debates the theory of fracture detection : on one hand by the way of edge detection in image processing ; on the other hand by time series analysis. the detection by time series analysis is more antinoise than edge detection in image processing. edge detection theory in image processing mainly includes correlation data, fuzzy edge detection, entropy operator edge detection and gradient edge detection

    圖像處理中的邊緣檢測的方法主要包括相干數據體法、模糊邊緣檢測法、基於熵運算元的邊緣檢測法、梯度邊緣檢測法；其中模糊邊緣檢測法比較依賴于參數的選擇，其渡越點兩邊的像素區別明顯；熵運算元的檢測方法則是檢測的圖像邊緣比較光滑，連通性好；梯度檢測法可以使用不同的運算元核，演算法比較簡單；相干數據體對于總體的大的裂縫的分佈具有比較奸的反應。
  2. Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits

    文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法，為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明，文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此，在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力
  3. The thesis selects canny operator to segment the image because canny operator can provide the gradient orientation angle and it can segment the image efficiently

    因為canny運算元能夠提供梯度方向角，而且其分割效果也較為理想，本文採用了canny運算元進行圖象分割。
  4. The classical method of the edge detection is built on the grad of the image function, and in this method the edges are detected well, ( especially the log operator )

    經典的邊緣檢測方法利用梯度的思想檢測邊緣，有很好的效果（特別是log運算元） 。
  5. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  6. 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。
  7. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通過復合濾光技術和水下ccd攝像系統，採集出了藥芯焊絲水下濕法焊接電弧區域圖像，重點論述了邊緣檢測理論，確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法，有效地區分了電弧燃燒區域和電弧氣泡區域，從而為水下濕法焊接電弧的機理分析及水下焊接過程式控制制奠定了基礎。
  8. Mostly, traditional arithmetic of image edge detection distill edge using gradient maximum or zero - crossing which base on gray discontinuousness on edge. they are affected easily by noise

    傳統的邊緣檢測運算元大都是基於邊緣的灰度不連續性利用梯度局部最大值或二階導數過零點來檢測邊緣，容易受噪聲干擾。
  9. Secondly we use canny arithmetic operators to get the edge of image, and remove the short link of edge then link the edge with small clearance. at last we can calculate the distance of conductor and the width of conductor according to the grade direction to detect of defect of the circuit boards

    然後選用canny運算元提取導線邊緣，並對邊緣進行短分支去除和邊緣連接處理，最後根據梯度方向來計算導線間距離和導體寬度，以此來判斷電路板缺陷。
  10. By means of multi - resolution analysis concept for auto - zooming of wavelet transformation, a multi - resolution gaussian gradient operator which is suitable for noisy edge detection is configured. the experiment results show that this method is an automatic rapid and effective target detection method

    該方法利用小波變換的自動變焦的多分辨分析思想，構造了適合的噪聲中邊緣檢測的多解析度高斯梯度運算元。實驗結果表明，該方法是一種快速、有效的自動化目標檢測方法。
  11. On the basis of the study of edge detection algorithms, a zone binary method is presented. the preprocessing methods of grating image are studied, and the 3d object surface data is reconstructed

    在對模板圖象進行處理時，在研究各種邊緣檢測演算法的基礎上提出了區域二值法的概念，用局部區域的閾值進行二值化，結合梯度運算元實現被測物體邊緣的自動識別。
  12. Zhou p, goodson k e. sub - pixel displacement and deformation gradient measurement using digital image / speckle correlation [ j ]. opt eng, 2001, 40 ( 8 ) : 1613 1620

    潘兵，續伯欽.梯度運算元選擇對基於梯度的亞像素位移演算法的影響[ j ] .光學技術（待發表）
  13. This paper study the greedy snake algorithms for the clutter tracking. it introduce the energy function of basic snake model and analyze the different kind of snake discrete energy function. it study on the method which use the pretreatment combining the sobel and grads arithmetic operators. the astringency of snake external energy was satisfied. this paper analyze the influence of tracking precision and running time for the preliminary border width, it also study on the tracking effect of different distributing and intensity. it is important to the next work

    針對雜波數據的強度起伏大的特點，提出了結合sobel運算元和梯度運算元的預處理方法，滿足了貪婪snake外部能量的收斂要求，在真實數據和模擬樣本條件下，分析了初始邊框間隔對跟蹤精度、運行時間的影響，以及不同分佈、不同強度雜波樣本的跟蹤效果，為后續的工作打下基礎。
  14. According to the model of low voltage electrophoresis chip, the injection, separation, detection and control of electrophoresis chip have been discussed in detail. the schematic of low voltage electrophoresis chip is presented and the computer program is developed to simulate the separation process to optimize the micro system

    根據電泳晶元低電壓運動梯度場模型，對晶元的進樣、分離和檢測及控制進行了詳細的分析討論，在分項討論的基礎上，確定了低電壓電泳晶元的總體結構，進行了相應的計算機模擬。
  15. Abstract : a new preconditioner is proposed in the preconditioned conjugate gradient method ( pcg ) for solving the problem arising from image restoration. the condition number of the new preconditioned system is proved to be much less than the original one. numerical results show that the new method is better than the classical pcg

    文摘:在圖像恢復實際模型的預條件共軛梯度法中，提出了一種新的預處理運算元.將新的預處理運算元應用於原來的系統，證明了其條件數得到大大的改善.實驗結果表明，新的預處理運算元具有很大優越性，比傳統的預處理運算元具有更快的收斂速度
  16. With the help of the search technique based on traditional optimal methods, gradient operator cross search operator and evolution operator are exploited to strengthen the local search ability of genetic algorithm

    第3章借鑒了傳統優化方法中的搜索技術，開發了梯度運算元、正交搜索運算元和進化運算元以強化遺傳演算法的局部搜索能力。
  17. A personal identification system based on iris pattern is composed of iris image acquisition, image preprocessing, feature extraction and matching. others " algorithms of iris location are studied and the deficiencies in them are pointed. considered the brim character and hough transform, two different location methods are put forward

    在虹膜定位過程中，分析了前人一些演算法中的不足，結合邊緣特徵和hough變換，對內外邊緣提出了兩種不同的定位方法：對內邊緣，採用邊緣跟蹤和hough變換相結合的方法；對外邊緣，根據外邊緣特性結合梯度運算元找到梯度最大值對應的圓參數。
  18. The method firstly uses color edge detector to get the horizontal edge image, secondly it makes use of the global threshold method binary quantifying the grad image, and finally dilates the binary grad image from horizontal direction

    該方法首先利用彩色邊緣運算元colorprewitt提取了圖像的水平邊緣，然後利用全局閾值法對梯度圖像進行了二值化，最後對二值梯度圖像進行了形態學水平膨脹。
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