曲面重建法 的英文怎麼說

中文拼音 [qūmiànzhòngjiànfǎ]
曲面重建法 英文
curved planar reformation
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 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...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 建 : Ⅰ動詞1 （建築） build; construct; erect 2 （建立; 設立; 成立） establish; set up; found 3 （提出;...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 重建 : 1. rebuild; reconstruct; reestablish; rehabilitate 2. reestablishment; reconstruction
  1. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 ）函數的概念，並建立了bsc 、 bbc和tbsc 、 tbbc曲線曲面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc曲線曲面的構造、表示、性質，特徵、演算法；常用曲線曲面的bsc 、 bbc表示；基於bsc 、 bbc理論的曲線曲面的重新參數化方法； bsc 、 bbc理論在曲線曲面的重新參數化和實體造型中的應用。論文分為六個主要部分。
  2. The reconstruction algorithm of piecewise smooth surface based on doo sabin subdivision

    細分的分片光滑曲面重建演算法研究
  3. Using the normal and neighbor relationship, classification of scattered data points is realized according to the quadric surface. the typical algorithms of surface reconstruction from 3d scattered data points are introduced, and then we discuss the current surface tessellation algorithms about their adaptive range, low efficiency

    本文首先對三維散亂數據點重構曲面的典型演算法和現有的曲面網格劃分演算法進行了分類與比較，針對現有的散亂點曲面重建演算法存在的低效率和局限性問題提出了相應的解決方案。
  4. A fast progressive surface reconstruction algorithm for unorganized points

    散亂數據點的增量快速曲面重建演算法
  5. This paper discusses the formation algorithm of a terrane with folds. to form a fold with less lean, triangulation from scattered points in space and surface reconstruction are used. to form a fold that has superposition along z - axis, the single - value surfaces that compose the fold should be constructed separately and assembled later

    研究了帶有褶曲的巖層面的構造方法，對于傾角不大的褶曲用先進行空間三角剖分，然後重建曲面的方法構造；對于在z方向上有重疊的褶曲先構造出各單值曲面然後組合起來得到。
  6. In this paper, we take the reconstruction of surface of revolution as our main aim, and by using the delaunay triangulation, the definition of curvature and the theory of b - spline, we present a way of reconstructing surface of revolution from point cloud. the main content of this paper is given in the following. computer aided geometric design and reverse engineering are the basis of this article

    本文以旋轉面重建演算法為主要研究對象，應用三角部分、曲率的定義以及b樣條理論提出了一種由點雲數據構造旋轉面的方法，主要工作如下：計算機輔助幾何設計以及反向工程是本文的理論基礎，因此論文的第一章對其進行了簡短的回顧和綜述，並給出了旋轉面重建演算法目前的研究狀況。
  7. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  8. Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion

    首先對干涉圖進行頻譜濾波，用頻譜移頻法從干涉圖中提取相位，然後用快速傅立葉變換或多項式擬合實現波面重建，計算線積分密度，再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。
  9. With the theory and methods in this dissertation, chapter 5 introduces the reconstruction model in vdds - cad ( the virtual deformation design cad system ), coming up with some examples of surface reconstruction. finally, conclusions were drawn from this dissertation with recommendation for future research in chapter 6

    第五章以摩托車曲面虛擬變形設計軟體的開發為背景，簡要介紹摩托車曲面虛擬變形設計軟體的概況，然後詳細討論變形曲面重建模塊的主要功能及實現方法，並給出和分析了系統的應用實例。
  10. In order to reconstruct object with holes, a method is presented to detect contour inclusion relationships based on seed - filling approach

    對常用的兩種輪廓線表面重建方法?連接輪廓線法和隱函數曲面法進行了研究。
  11. Bezier and nurbs are chosen as the fundamental method to achieve surface reconstruction on the basis of fundamental theory of sculpture surface reconstruction. then the fitting method of bezier and nurbs surface reconstruction is given after the reconstruction algorism is discussed

    作者研究了復雜曲面重建的基本理論，選擇b zier和nurbs作為曲面重建的基本方法，同時對曲面重建的演算法進行研究，給出b zier和nurbs曲面擬合的不同方法，並對求交、拼接和光順等方法進行了深入研究。
  12. The application of assembly - oriented cad modeling technology in reverse engineering is also presented ; the assembly - oriented data measure method is put forward ; the assembly - oriented surface reconstruction technology is analyzed. with the project " the construction of digital mock - up for a mini - car " supported by an automobile corporation, ltd. and the project " the rapid development and variant design of some brand of motorcycle " supported by a motorcycle corporation, the author summarizes the experience of assembly modeling for digital prototyping, and provides sound proof for the viewpoints in the thesis

    對覆蓋件產品的裝配模型進行了描述；提出了覆蓋件裝配建模的一般流程；詳細研究了覆蓋件的cad裝配建模技術；對面向裝配的cad建模技術在覆蓋件產品反求設計中的應用進行了研究，介紹了產品覆蓋件的反求流程，提出了基於裝配的數據測量方法，分析了面向裝配的曲面重構技術。
  13. This method can avoid losing surface details, but its calculation is computationally expensive. the projection characters of adjacent contours and their connected surfaces are analyzed. a new algorithm for reconstruction is proposed based on projection

    針對隱函數曲面法計算量較大的缺點，分析相鄰斷層上的輪廓及其重建子表面投影的特性，提出一種基於投影法的表面重建方法。
  14. The characteristics of reverse engineering of real parts are investigated, with the methods of data acquisition ; the strategies and process of surface construction based on laser - scanned point cloud are presented ; the process of 3 - d expression based on real parts is indicated ; the methods of variant design through reverse engineering of real parts ; the process of variant design based on assembly models is presented

    研究了實物反求的特點和數據採集的方法，重點分析了非接觸式數據採集的原理和方法；總結了基於激光掃描點雲進行曲面構建的流程和方法；提出基於實物樣件進行三維表達的流程；研究了通過實物反求進行改型設計的方法，提出基於實物反求進行改型設計的流程。
  15. This paper introduces the application fields of reverse engineering, discusses the techniques of coordinate data acquisition and the features and the used scopes of all kinds of measure methods, elaborates the principal techniques of surface reconstruction of reverse engineering, analyses the problems of surface reconstruction., addresses a kind of algorithm of the scattered " points cloud " preprocessing and a method of employing cad modeling software to finish surface modeling, develops a cloud data optimum processing programme

    本文介紹了反求工程的應用領域，討論了坐標點的測量技術及各種測量方法的特點與適用范圍，闡述了反求工程中曲面重建技術，分析了曲面重建中存在的主要問題，提出了離散「點雲」的預處理演算法及利用cad造型軟體進行曲面造型的方法，並開發了「點雲」數據優化處理程序。
  16. Firstly the thesis expatiates the basic concept of reverse engineering, analyzes the basic principle of reverse engineering, the technology & theory of three dimensional measuring and basic theory of building 3 - dimensional free - form surfaces model. secondly it introduces the smooth methods of the free - form surfaces of auto body and solves point - data and surface reconstruction. finally the thesis expatiates applications and technology of auto body of futian heavy truck through reverse engineering

    本文首先將闡述逆向工程的基本概念，分析車身逆向工程的基本原理以及車身逆向工程中三坐標測量技術與原理，車身表面三維數學曲面模型建立的理論基礎，其次介紹車身外形曲面光順方法，以及車身逆向工程中點數據處理技術及曲線曲面重建技術，最後結合福田重卡車身逆向開發，重點闡述車身逆向工程技術的應用與流程。
  17. The quality of reconstructed surfaces is related to many factors, such as quality of original data and surface fitting strategy, surface post - processing, and so on. in this thesis, the relative techniques of high quality surface reconstruction and surface interrogation based on triangular mesh are studied in depth. the main contents are as follows : ( 1 ) typical mesh smoothing schemes are analyzed

    本文對基於三角網格模型的高質量工程曲面重建及曲面光順性分析的相關問題進行了研究，主要內容包括: （ 1 ）在對現有幾種常用的三角網格模型光順演算法進行分析比較的基礎上，結合圖像處理中的kuwahara濾波以及雙邊濾波思想，提出了基於法矢修正的三角網格模型光順演算法。
  18. ( 4 ) the thesis provides the important data structure and the procedure of the surface reconstruction algorithm. the algorithm has been implemented with vc + + 6. 0 on the platform of acis

    （ 4 ）給出了曲面重建過程中重要的數據結構和演算法流程，並在acis平臺上採用vc + + 6 . 0加以實現。
  19. According to the characteristic of typical mesh smoothing technique, this thesis also proposes a novel approach to error estimation for mesh smoothing. ( 2 ) a novel surface reconstruction algorithm that solves the problem of c2 - continuous piecewise bi - cubic b - spline surface reconstruction based on triangular mesh is developed. it can guarantee the whole surface is c2 - continuous everywhere

    （ 2 ）針對現有雙三次b樣條曲面重建方法中存在的曲面片之間難以達到c2連續的問題，提出了一種混合處理方法，使相鄰曲面片在邊界及交匯點處達到c2連續，從而整張b樣條曲面是處處c2連續的。
  20. This paper has investigated this technique for organized data, the specific work includes : ( a ) rules for planning the data digitizing process is proposed to accommodate the requirement of subdivision surface reconstruction ; ( b ) an algorithm is developed for reconstructing subdivision curve from organized data ; ( c ) furthermore, an algorithm of subdivision surface reconstruction is also brought forward

    （ 4 ）細分曲面由於具有很強的拓撲適應能力，所以其重建技術也受到廣泛關注，本文對有序數據的細分曲面重建演算法進行了研究，主要做了以下工作： （ a ）針對有序數據細分曲面重建演算法對數據的需求，給出了一種有序數據測量方法。 （ b ）給出了一種有序數據細分曲線重建演算法。
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