面片網格 的英文怎麼說

中文拼音 [miànpiānwǎnggé]
面片網格 英文
patch grids
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 片 : 片構詞成分。
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 格 : 格象聲詞rattle; gurgle
  • 網格 : cancellus
  1. Rectification and topology base on stl model is researched, too. the contour information is obtained by using slice technology ; the delaunay triangular meshes are generated by using delaunay triangulation algorithm and conglutinate precision of divided models is insured by using precise orientation technique. in addition, triangle scan is accomplished based on delaunay triangulation algorithm

    採用切片技術獲得了截面輪廓，用delaunay三角網格劃分演算法將截面輪廓網格化，用精確定位技術保證了模型粘接的精度；在delaunay三角網格劃分的基礎上，實現了快速原型的三角形掃描。
  2. 8 guo b. quadric and cubic bitetrahedral patches. the visual computer, 1995, 11 : 253 - 262. 9 wang w, qin k. on the existence and computation of rational quartic spherical curves for hermite interpolation

    關于參數插值曲面構造的研究綜述一般是先在每三角剖分面上構造邊界曲線，而後再用一片或多片插值曲面去填充這些曲線網格。
  3. Hole repairing in triangular mesh models and piecewise smooth b - spline surfaces fitting have been studied in this dissertation

    本文對三角網格模型上的孔洞修補及分片光滑b樣條曲面的擬合技術進行了研究。
  4. Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information

    第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。
  5. A method for generating die meshes for 3 - d fem simulation of blade forging by bzier surface

    曲面生成葉片鍛造三維有限元模擬的模具網格
  6. Grid hiding and break line cut are difficult point in displaying of 3 - d grid data, the thesis also presented a new visualizing algorithm applicable for 3 - d grid data of topography - sliced polygon filling. the experiment result shown, contrasting to floating level, this algorithm excels in both time complication and effect of grid hiding and break line cut

    三維網格顯示中的網格消隱與斷線處理一直是網格可視化技術中的難點，本文結合三維地形網格的特點，提出了一種新的網格可視化演算法? ?切片多邊形區域填充法，在實驗結果對比中，無論是演算法復雜度還是顯示效果上都明顯優于浮動水平面法。
  7. By pre - dividing parametric region of the surface and introducing the concept “ maximum absolute normal curvature ” at a point on the surface, the method adopts “ divide and conquer ” approach triangulating the parametric region of the surface piecewise

    該演算法通過對曲面的參數域進行預剖分，以及引入曲面上一點處的「最大絕對法曲率」的概念，採用「分而治之」的方法分片對參數曲面的參數域進行三角形網格剖分。
  8. It is natural to extend this algorithm to 3d triangular mesh and output the texture coordinates for each triangle vertex

    該演算法可以自然擴展到三維三角網格，以三角面片作為合成單元，合成后直接輸出每個頂點的紋理坐標。
  9. Moreover, we proposed a region - growing surface reconstruction algorithm. the filtering of the candidate triangles was improved a lot by constructing an influence region during the incrementally region - growing extraction of the surfaces. the construction of the influence region also contributes to make sure that the surfaces are geometrically and topologically correct

    並在此結果基礎上，提出了一種區域增長式的曲面重塑演算法，它通過構造影響域提高了增量式區域增長抽取網格曲面過程中最優三角片的篩選效率，也確保了重塑曲面在幾何和拓撲上的正確性。
  10. Product this getting wet pouch active mt of packaging completely, main raw materials active mt one natural having special crystallization layers of silicate clay ore of form scarce, sublimated and processed and succeeded by special technology, one layer of forms tetrahedron and octahedra chip of it are arranged into six mao net, cause the crystalline grain to expand after absorbing water, pick up the moisture, get rid of oxygen, keeps fresh, anticorro sion, long result function, it is a kind of healthy green environmentally safe product

    本品是透濕性小袋包裝的活性mt ，主要原料活性mt是一種天然稀有的具特殊結晶層狀的硅酸鹽粘土礦，經特殊技術提純加工而成，它的層狀四面體和八面體晶片排成六角網格，吸水后引起晶格膨脹，具吸濕、除氧、保鮮、防蝕、長效功能，是一種健康綠色環保產品。
  11. The algorithm builds voxel between neighboring slices of volume data, then gets density of a certain substance by experience. after setting threshold for surface of the substance which we want to get, and computing triangle mould of every voxel cube by use of linearity interpolation, the algorithm represents the surface of the substance as the form of triangle mesh

    該演算法通過在相鄰的體數據切片之間構建體素，根據經驗獲得某一種物質的密度值，設定待求物質表面的閾值，利用線性插值求出每一個立方體體素的三角剖分的構型，進而將整個物體表面以三角型網格的形式表示出來。
  12. Secondly, the triangle meshing of contour loops that includes triangle plane filling between layers and section triangle plotting was accomplished

    其次，邊界輪廓環的三角網格化:層間三角面片填充和端面三角劃分。
  13. This chapter optimized the algorithm provided by michael garland and paul s. heckbert based on edge contraction, and the improved algorithm can produce better approximation. a new method provided to simplify triangulated model with appearance attributes, and optimized the method to reduce the complexity in chapter 3. the dissertation advances a new concept : density of meshes, and study the applications of density of meshes in discrete multi - resolution and continuous multi - resolution

    第二章介紹了garland等提出的基於頂點對折疊的簡化演算法，指出了該演算法的一個缺陷並給出了解決方法；將garland的演算法應用到了具有一定屬性的面片上，分析擴展之後演算法的計算復雜度，提出了決解復雜度的方法；第三章節給出了一種新的自動遞進網格演算法，可以實現無二義性，快速恢復等功能；此節提出了一個新的概念：網格密度。
  14. Surface reconstruction is one of key techniques in reverse engineering. based on unorganized discrete points come from finite element analysis triangular mesh on exterior surface of the aeroengine hollow turbine blade, this dissertation studied some related problems, such as scattered data preprocessing, quadrangle partition and surface reconstruction technology

    曲面重構是逆向工程研究的重要內容之一，本文基於航空發動機空心渦輪葉片外表面的有限元三角網格離散點，對離散數據點的預處理、四邊域劃分及曲面重構技術進行了研究。
  15. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景，提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構，並且從可測性設計、實時操作系統角度對該系統進行了設計與討論，為高速實時信號處理系統的設計與開發提出了新的解決方案，同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點，然後針對適合於片間并行的adsp - 21060討論了并行計算結構，提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺，分析了它的工作原理。
  16. 3 ) when computing the resultant force of each interior spring point, farc andffairare multiplied by a coefficient k. thus, abnormal case will be avoided. 4 ) smoothing between patches is performed

    通過對經過至少兩次catmull - clark子剖分后的網格應用pccm演算法，它生成了大片、光滑拼接的雙三次b樣條曲面。
  17. The system main realized interactive rendering of 3 - d seismic data, interactive rendering of three crossed slices, interactive rendering of rand - cutting face and interactive rendering of 3 - d topography grid data

    本系統主要實現了三維地震數據體的直接交互顯示、三組正交切片的交互顯示、任意角度的切面交互顯示和三維地形網格數據的交互顯示。
  18. With the algorithm, fairing and uniform meshes are obtained by moving each vertex in normal direction and tangent plane simultaneously. an algorithm of feature enhancing and mesh smoothing is studied. the algorithm is based on iterative use of diffusion of normals and vertices

    融入平均曲率光順思想，對拉普拉斯運算元進行改進，通過在法矢方向和切平面上同時對網格頂點進行移動調整，較好地達到模型外形光順、三角片形狀比較均勻的要求。
  19. But the standard mc has some shortcomings : firstly, the standard mc picks up isosurfaces by threshold, however, threshold segmentation is invalid for picking up tissues or organs from some medical images ; secondly, the standard mc pocesses cubes one by one, that is to say, all the cubes will be checked, and the algorithm spents 30 % - 70 % of time to check the null units, so we need a reasonable data structure to travel the space data and accelerate the checking or filting of null units ; thirdly, the standard mc has a large scale of triangles, normally, the tissue or organ reconstructed includes hundreds of thousands so much as millions of triangles, this means it hardly to execute real - time rendering or interaction ; lastly, the standard mc can not get the very smoothly surface mesh, and there will be some unexpected accidented cases, especially in the case of big errors in oringinal data

    但是標準mc演算法存在較大的問題:標準mc演算法實質上是通過閾值分割來提取等值面，閾值分割對某些醫學圖像的組織或器官的提取難以得到較好的效果;標準mc演算法是逐個移動立方體來進行處理，就是說對所有的立方體都要進行一次檢測，演算法執行中30 % ~ 70 %的時間用在對空單元的檢測上，因此需要有一種合理的數據結構對空間數據進行有效的遍歷，以加速對空單元的檢測和過濾;標準mc演算法產生了大量的三角面片，一般重建的組織或器官包含數十萬甚至上百萬的三角面片，難以實現實時的繪制和交互操作;標準mc演算法得到的表面網格並不光滑，會有一些不期望的凹凸，特別是在原始數據有較大誤差的情況下尤其突出。
  20. Since a single nurbs patch can only represent surfaces of simple topological type, a complex product surface must be defined as a network of nurbs patchs

    由於單片nurbs樣條曲面僅能表示簡單拓撲結構的曲面，一個復雜產品型面必須被定義為一組nurbs曲面片網格集合。
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