隱線演算法 的英文怎麼說

中文拼音 [yǐnxiànyǎnsuàn]
隱線演算法 英文
hidden line algorithm
  • : Ⅰ動詞(隱瞞; 隱藏) hide; conceal Ⅱ形容詞1 (隱藏不露) hidden from view; concealed 2 (潛伏的; ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 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...
  1. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方相比較,該方不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個位移預測方? ?此方可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息,從而大大提高了的效率:與通常的正向映射相比,此克服了多幅參考圖象所帶來的計量成倍增長等問題,而且誤差較小。 2 )基於極幾何的快速逆映射。利用參考圖象的邊界信息與含的遮擋關系,以及極幾何的性質,本文第三章提出了一個基於極幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射,從多幅參考圖象精確合成當前視點目標圖象。
  2. 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與斷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? ?切片多邊形區域填充,在實驗結果對比中,無論是復雜度還是顯示效果上都明顯優于浮動水平面
  3. Using method of oil - flow visualization techniques and measuring pressure distribution along airfoil chordwise and spanwise studies have been down for sidewall boundary - layer displacement effect in two - dimensional wind tunnel. three different chord models were tested in two different wind tunnel. in order to clarify the sidewall effects and study method of sidewall suction theory and sidewall interference correction method to remove effects of sidewall on model. the results of oil - flow test show that selection rational suction wary can obtain better testing results. by investigations on effects of the sidewall boundary layer suction and application of a sidewall interference correction method

    為了很好地解決多機場航班隊列的擁塞問題,在將進場容量、離場容量與機場容量作為統一整體的情況下,充分考慮了機場間的網路效應,詳細研究了多機場航班隊列的優化問題,建立了多機場開放式非實時流量管理的數學模型,通過選取適當的決策變量,使其為性0 - 1整數規劃模型,實現了中心流量集中管理.與其它不同,本文提出的啟發式枚舉能很好地解決此類問題,對某機場網路系統的模擬結果證明了所建模型、優化及相應軟體的有效性和可靠性
  4. ( 2 ) intersectioning algorithm of nurbs surface and general implicit surface is researched in which the parametric formula are substituted into the implicit surface equation and then get the nonlinear two - dimensional equation on parametric domain

    ( 2 )實現了nurbs參數曲面與廣義的式曲面的求交並將其應用於船體曲面與水面的求交中。
  5. 4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional

    4 .在視圖原始數據整理方面,首先討論了重疊邊的分解與重構方;然後給出了含點的概念,通過對二維段相交情況的處理分析了求取含點的斷;最後描述了如何利用實體的拓撲關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。
  6. It is reali zed that the invisible part of the object can be shadowed, using the max imum or minimum enveloping rectangle method and the counter of points of intersection method, etc. ( 3 ) the boolean operation between integrity or unintegrity bodys is supplied

    分析並討論了形體產生藏面的原因,利用了最大最小外包矩形、交點記數等,實現了任意形體的消。 ( 3 )完成了形體間的正則、非正則布爾運
  7. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬,即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分,將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分,對前一部分採用特徵求解,對后一部分根據模型形式採用龍格一庫塔式積分求解,這兩部分的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。
  8. With the development of computer technology, computer graphics technology develops swift and violently. the clipping of graphics is the most basic contents in cg. it is a useful tool in algorithms about hiding line, hiding face and showing of third dimension graphic

    隨著計機技術的迅速發展,計機圖形學技術得到迅猛發展,圖形的裁剪是計機圖形學中最基本的內容之一,它在消除藏面及真實感圖形的顯示等中是很有用的工具,以往對裁剪的研究主要集中在裁剪直和裁剪多邊形兩方面。
  9. Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out

    在軟體研製過程中,提出一種基於前沿生成的速度快、穩定性好的平面元胞元網格自動生成方和三維六面體網格的段轉換;根據元胞元模型的特點,提出一種穩健性較好的三維元胞元模型消;通過對應力圖生成技術的研究,提出一種對等值、色帶圖、濃淡圖均適用的應力圖快速生成
  10. Genetic algorithm is an fresh subject in recent years, it is a search algorithm based on the mechanics of natural selection and natural genetics. it is widely used in many kinds of fields because of its less - dependency of optimization problem, simplicity robustness and implicit parallelism

    遺傳是近年來新興的一門學科,是模擬遺傳學和自然選擇機理構造的一種搜索,因其對優化問題的弱依賴性、求解的非性和魯棒性、含并行性等特點被廣泛應用於當前的各個領域。
  11. Normal bp algorithm can be used in many fields and resolved many practical problems, however, normal bp algorithm has many limitations such as it ' s easy to fall into the local minimum in the course of convergence, its " convergent speed is very slow, the method which set the structural parameter and the operational parameter has n ' t be widely accepted, and so on

    標準bp應用甚廣,解決了許多的實際問題,但同時它也存在著諸如在收斂過程中容易陷入局部最小點、收斂速度很慢以及網路的結構參數(層數、層單元)和運參數(步長、非性函數的選擇)等都尚無公認的理論指導等問題。
  12. Corner detection based on accumulative chord length is invariant to rotation transformations, while the implicitly refining strategy of digital curves can improve computational precision and enhance the reliability of corner detection significantly

    摘要提出基於曲累加弦長來檢測角點,可以使得檢測結果具有旋轉不變性,式精化曲策略可以顯著改善角點檢測的計精度,從而增強角點檢測結果的可靠性。
  13. Based on analyzing the relationship between linear separability and a connected set in boolean space, the particular effect of a restraining neuron in extraction of rules from a bnn is discussed, and that effect is explained through a example called a mis problem in boolean space. in this paper, a pattern match learning algorithm of bnns is proposed. when a bnn has been trained by the algorithm, all the binary neurons of hidden layer belong to one or more ls series, if the logical meanings of those ls series are clear, the knowledge in the bnn can be dug out

    另一個研究成果是在分析性可分和樣本連通性關系的基礎上,以mis問題為例,討論了抑制神經元在二進神經網路規則提取中的獨特作用,提出了二進神經網路的模式匹配學習,採用這種對布爾空間的樣本集合進行學習,得到的二進神經網路層神經元都歸屬於一類或幾類性可分結構系,只要這幾類性可分結構系的邏輯意義是清晰的,就可以分析整個學習結果的知識內涵。
  14. We compare the algorithms in the present work with the traditional algorithms, and can come to the conclusion that the former is more efficient. in the work we discuss the point - by - point algorithms of implicit curve and surface systematically, introduce the general and extended algorithms of line - drawing, and have these algoritms improved. an all - integer arithmetic algorithm is also introduced, we improve the algorithm and extend it to surface

    介紹了式曲的整數型逐點生成,將它進行改進,擴大了它的適用范圍;並將這個推廣到式曲面,把式曲面的繪制問題轉化為式曲的繪制問題,提出了一個對式曲面有效的逐點生成
  15. This paper studies 3 kinds of algorithms : the viterbi algorithm, multiresolutional algorithm based on wavelet transformation and bayesian bootstrap algorithm. the viterbi algorithm is based on the hidden markov model theory and it is a kind of map estimation, this paper studies this algorithm and puts up an algorithm that suits for filtering in the presence of interference. multiresolutional algorithm takes full advantage of multiresolutional data, we can see it has a better filtering ability than the traditional filtering methods ; bootstrap algorithm is a recursive bayesian estimation, it describes the probability density function by the samples, so it can be used to nonlinear non - gaussion filtering, the simulation result of the two groundings is presented

    Viterbi馬爾可夫理論為基礎,是一種最大后驗概率估計方,本文對該進行了研究,給出了一種適合於非高斯干擾條件下的濾波方;多分辨分析方充分利用到了多解析度測量數據所包含的信息,從模擬結果中可以看出,該方的濾波精度要高於傳統的濾波;自主濾波方是一種遞推貝葉斯估計,它利用采樣點來描述目標狀態的概率密度函數,因而適用於非性、非高斯條件下的濾波,本文分別對這兩種情況下的濾波進行了模擬。
  16. It can take advantage of the advancement of hmm and gmm, utilize dynamic programming technique to realize the nonlinear time alignment between speech feature vectors and markov state sequences, use expectation - maximum algorithm to re - estimate the gmm parameters and finally employ levenshtein distance to calculate the word error rate between the recognized and expected results

    它將markov模型和gaussian混合密度分佈緊密聯系,結合動態規劃對時間序列和markov狀態鏈進行非性時間對齊,並運用em對gaussian混合模型的參數進行重新估計,識別出來的結果與期望結果採用levenshtein距離進行比較並得出其字誤差率。
  17. Because the reference counting algorithm implicitly serializes operations, a certain amount of thread safety is also lost

    由於引用計數對操作進行式序列化,因此也會損失一定的程安全性。
  18. Numerical result shows that the new method is more efficient in convergence than the standard lanczos algorithm ; the second algorithm generalizes the implicitly restarted arnoldi ( ira ) augmented by soreesen to the implicitly restarted lanczos algorithm, which improves the convergence rate of lanczos algorithm by making good use of the spectral information obtained from the previous process. the last algorithm utilizes deflation strategies to the second algorithm to forming invariant subspace for a, so that the stability can be kept in computing process

    數值試驗表明,該比標準lanczos方具有更好的收斂性;第二種是將求解特徵值問題的式循環arnoldi方( ira )應用於求解對稱不定性方程組的lanczos,充分利用lanczos過程中的譜信息,確定預處理;第三種是在第二種的基礎上,運用收縮技巧,形成近似不變子空間,以提高收斂速度和數值穩定性。
  19. Human gait recognition based on bilinear modeling and hmm motivated by bi - factor - invariant human gait recognition problem, a new gait recognition algorithm was proposed in which two factors, generically called " style " and " content " were analyzed and manipulated. first, image sequences were clustered into a fixed.

    針對存在兩個未知含特性的步態識別問題提出了一種新的識別,將特性分別看作「內容」和「風格」 ,對圖像序列以狀態確定的連續hmmem估計「內容」類型,引入非對稱雙性模型理論對結果建模,通過svd和nn聚類實現對「風格」的歸類判定。
  20. ( 2 ) wavelet networks are introduced to gpc. several nonlinear gpc algorithms based on wavelet networks are given : a nonlinear gpc base on predictive error compensation is designed, in which wavelet network is used to model the predictive error ; a new structure of multi - step predictive controller is constructed in which wavelet networks are used to identified the nonlinear directly ; a single - step predictive controller is given, in which a wavelet networks are used to estimate the parameters of the linear time - varying system. ; an a implicit gpc for nonlinear system is presented, in which wavelet networks are used to estimated the time - varying parameters of the generalized predictive controller

    ( 2 )將小波網路與非性廣義預測控制相結合,設計了多種基於小波網路的非性廣義預測控制:考慮到建模誤差對多步預報的影響,引入小波網路估計預報誤差,對輸出預報進行修正,提高了控制性能且不影響系統的穩定性;利用小波網路構造多步預測器,設討了非性系統多步預測控制;利用小波網路逼近非性系統廣義預測控制器的時變參數,設計了非性系統式廣義預測控制器;利用小波網路辨識時變系統參數並直接用於構造控制器,設計了非性系統單步預測控制
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