reconstruction algorithm 中文意思是什麼

reconstruction algorithm 解釋
重建演算法
  • reconstruction : n. 1. 重建;改造;復興。2. 〈美國〉南北戰爭后南部各州的重建。
  • algorithm : n. 【數學】演算法;規則系統;演段。
  1. Image reconstruction algorithm for blast furnace imaging

    的圖象分割演算法優選軟體的實現
  2. The reconstruction algorithm is presented in detail in the third chapter, including the computing of axis and the reconstruction of generatrix. then two examples are given to show the effectiveness and veracity of the algorithm

    論文的第三章詳細闡述了本文所提出的旋轉面重建演算法,給出計算旋轉軸和反求母線的步驟,並在最後給出了兩個算例。
  3. 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
  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. Then, a new regularized conjugate - gradient reconstruction algorithm was proposed for optical tomograpy, in which the ill - posedness of the reconstruction problem and as a result the quality of the reconstructed image are improved by introducing two regularization terms of image entropy and the local smoothing function

    其次,提出了一種正則化共軛梯度ot圖像重建演算法,通過引入圖像熵和局部平滑函數作為正則化項有效改善了重建問題中的病態特性,提高重建圖像的質量。最後,提出一種多解析度的ot圖像重建演算法。
  6. 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。
  7. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限帶寬窗有較好的空間解析度,三角形窗有較好的密度解析度,選擇餘弦窗則使得空間解析度與密度解析度的折衷;從窗函數的頻譜角度來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內插函數而言,臨近點內插與線性內插重建圖像噪聲大,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  8. In this paper, the author discusses in detail an efficient iterative image reconstruction algorithm in industrial computerized tomography ( ict ) with the narrow fan - beam projection

    本文對工業ct窄角扇束掃描方式下的迭代圖像重建演算法進行了研究。
  9. Finally, a multi - resolution reconstruction algorithm was proposed for optical tomography. in this algorithm, the delaunay triangulation rules are first used in the generation of the triangular mesh with

    該方法首先根據圖像的先驗信息,利用delaunay三角剖分規則,在整個成像區域形成疏密度不等的網格劃分,然後在此網格上實現ot圖像的多解析度重建。
  10. Unfortunately, up to now, there is no an efficient algorithm to deal with the iterative reconstruction algorithm, especially from fan - scanned projections

    對于迭代重建,目前尚無很好地解決該問題的演算法,特別是對扇束投影重建問題。
  11. Optimized reconstruction algorithm of 3 - d temperature field

    三維溫度場重建演算法的優化
  12. Image reconstruction algorithm for capacitance tomography based on maximum entropy

    基於最大熵電容成象圖象重建演算法的研究
  13. In this paper, it gives the mechanism of charge - coupled devices and its plane borehole pattern, and show how the digital camera work. 2. it studies the reconstruction algorithm for digital camera. the theory of color is firstly introduced, then algorithm are studied in this paper, these algorithm are subtracting of fix - pattern noise, color reconstruction auto gain control algorithm and auto white balance algorithm, then designed a download soft for digital camera

    首先對顏色理論作了簡單的介紹,然後根據數碼相機的工作過程對各階段所用的圖像處理演算法進行了研究,這些演算法包括固定圖案噪聲的去除演算法、自增益控制演算法、白平衡調整演算法、顏色重建演算法以及灰度拉伸演算法,最後利用這些演算法開發了一個數碼相機的下載軟體。
  14. In next research, we are to construct a more integrated mathematic model of iceit, develop fast reconstruction algorithm, reconstruct images of three dimensions and real / imaginary part, and study on contactless measurement

    進一步的研究是建立的完善的iceit的數學模型,快速演算法,三維成像,電導率實、虛部成像,無接觸測量等。
  15. The reconstruction algorithm plays a key role in reconstructing acoustically the flame temperature field in coal - burning boiler hearth

    摘要在聲學法燃煤鍋爐爐膛火焰溫度場重建中,重建演算法是實現溫度場重建的關鍵。
  16. In this paper, two novel algorithms of reconstructing high resolution images from both overlapped parallel projection data and overlapped fan beam projection data with low resolution are presented. one is called virtual detector algorithm, and the other is direct reconstruction algorithm. both of the algorithms with two forms for the parallel data and fan beam data respectively are developed based on the interpolative algebraic reconstruction techniques ( iart )

    本文在研究插值代數重建法( iart )的基礎上,根據特別設計的數據採集模式(平行相疊采樣和扇形相疊采樣) ,提出了由相疊低分辨數據重建高分辨圖像的兩個新演算法,即虛擬探測器法和直接重建法。
  17. The numerical reconstruction algorithm of digitally sampled holograms, deduced from the scalar quantity diffraction theory, is investigated. the serious recording limitations due to the finite size and resolution of ccd are detailed discussed

    根據標量衍射理論,討論了利用菲涅耳衍射公式對數字無透鏡傅里葉變換全息術的數值實現,並進一步討論了ccd參數對數字全息圖記錄的限制條件。
  18. In conjugate gradient optimization algorithm, the continuous and digital models of an imaging system are defined to explain image acquisition, the image registration algorithm and the conjugate gradient reconstruction algorithm are designed

    在共軛梯度最優化迭代演算法中,對相機模型、圖像微位移和微旋轉角精確配準、共軛梯度重建等關鍵技術進行了研究。
  19. 3 ) presentation and implementation of key - based relational schema reverse reconstruction algorithm ( krr ). based on discrete mathematics theory, a krr algorithm is proposed which can realize the transformation from relational schema to directed graph structure and get a good data preparation for the sequential schema mapping

    3 )提出基於key的關系模式重構演算法以離散數學理論為基礎,對關系模式數學建模,通過提出基於key的關系模式重構演算法,將關系模式轉化為有向圖數據結構,為模式映射提供基礎。
  20. In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object

    同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求交的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的交集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求交演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集,把任意錐面與物體輪廓的交集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相交演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求交計算; ( 3 )基於光線跟蹤的演算法,該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算,最後得到每次求交計算得到線段的交集,該線段的頂點就認為是物體表面點,從而得到物體表面的點雲。
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