parallel projection 中文意思是什麼

parallel projection 解釋
平行射影
  • parallel : adj 1 平行的;并行的 (to; with); 【電學】並聯的。2 同一方向的,同一目的的。3 相同的,同樣的,相...
  • projection : n 1 射出,投擲,發射,噴射。2 投射;投影,投影法;(地圖)投影圖製法;【電影】放映。3 凸出;凸出...
  1. The space location is determined on the basic principle that some projective planes intersect with each other in non - parallel space and their locations can be solved by geometric projection

    該系統利用線陣像機的快速性與高解析度的特點,採用了非平行空間投影面相交定位的基本原理,利用幾何投影關系定位求解的方法,實現了多線陣像機視覺系統的空間定位。
  2. The resulting 30 - membered ring structure produces an oval projection when viewed parallel to the b axis

    沿平行於b軸的方向上生成了一個奇特的30元環結構。
  3. Sculpt the parting closest to the hairline with low projection using parallel finger position and the longer length guide

    雕刻那離別的最靠近到和低的發射細標線使用平行的手指位置和較長的長度引導者。
  4. Its image reconstruction belongs to the image reconstruction under narrow fan - beam scan mode. after comparing different algorithms, this paper introduces convolution back projection algorithm for the parallel image reconstruction

    採用高能直線加速器作為射線源的高能x射線工業ct機多採用窄角扇束掃描方式,其圖像重建屬窄角扇束掃描方式下的圖像重建。
  5. The narrow fan - beams are reset into parallel beam then the image reconstruction is conducted by parallel beam " convolution back projection algorithm, which combines the high scan efficiency with the convenience of image reconstruction. this paper analyses the parallelism in narrow fan - beam " convolution back projection algorithm, divides the task of image reconstruction into several subtasks, and discusses the parallelization of narrow fan - beam " decomposition and reset, parallel beam " convolution back projection, and image accumulation

    對于窄角扇束掃描方式,把窄角扇束重排成平行束,再由平行束卷積反投影重建演算法來重建圖像,是把掃描的高效率和重建方式的簡便易行很好的結合起來。本論文對窄角扇束卷積反投影演算法進行了并行性分析,指出把圖像重建任務分解為多個子任務并行工作,並在工作站機群上討論了窄角扇束的分解、重排、平行束卷積反投影圖像重建、圖像合成的并行實現。
  6. The analytical equations of workspace boundary surfaces for the octahedron parallel machine tool and the new type of parallel machine tool are derived based on the forward displacement analysis. based on it, the projection graphs of workspace boundary surfaces are drawn

    提出了並聯機床工作空間分析的解析方法,得到了八面體並聯機床和新型並聯機床的工作空間邊界曲面的解析方程,並在此基礎上繪出了工作空間邊界曲面的圖形。
  7. The validity of the subsection simulation method is proved, in which postprocessing technology is widely used. the sixth, the static simulation is neces sarily to find out the dynamic system ' s initial state for dynamic simulation. the gun is looked upon as a hyper - equilibrium structure, and a so - called " parallel projection method " is brought forward for the gun ' s static simulation

    提出了一種求解線性方程組的方法?平行投影法,針對adams對超靜定系統靜態分析不力的情況,研究了求解全炮靜態問題的途徑和方法,並應用平行投影法求解車體懸掛的初始平衡力,求得了較符合客觀事實的解,從而完成了火炮發射前的靜態分析。
  8. 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。
  9. The laws of geometric perspective guarantee that in a concave - mirror projection of a symmetric chandelier onto van eyck ' s support all parallel lines would meet at a vanishing point, just as the image of train track rails meet on the horizon in a photograph

    幾何透視定理保證,形狀對稱工整的吊燈經過凹面鏡投射到范艾克的屏臺時,所有平行線會在消逝點上交會,就好像照片上的火車鐵軌會在地平線上交會。
  10. So it is available to reconstruct moderate and large image by using either parallel or divergent projection data, as well as the data collected at series arbitrary sampled angles and sampled radii. and it does not require the storage of projection matrix, compared with the conventional art. the numerical results show that mart reconstructs image with fast speed, high resolution and sligh artifacts

    利用分塊迭代的快速art方法,對x射線工業ct實采投影數據進行圖像重建,並與fbp方法、經典art方法重建的圖像進行了比較,測試結果表明:該方法重建圖像精度高,偽影輕,並有較高的密度解析度和空間解析度,較經典art方法重建速度快。
  11. By studying the discrete fourier transform properties of the band - limited digital signal, the authors introduce alternating projection neural networks into the paper, expand apnn ' s application scope from real field to complex field, and present several important conclusions on apnn. analyzing and discussing network ' s tolerance to noise, convergence rate and the spectral leakage problem of the truncated signal expected to be extrapolated by using these conclusions, the paper presents an extrapolation algorithm for band - limited signals based on alternating projection neural networks. a lot of simulation experiments show that the algorithm is effective. in addition, the algorithm is also effective to spectrum extrapolation. owing to adopting network structure, the algorithm is prone to parallel computation and vlsi design, and consequently can satisfy real time military processing needs

    本文通過對頻帶受限數字信號的離散傅立葉變換特性的研究,引進了交替投影神經網路,並將其應用范圍從實數域拓廣到復數域,且給出了在復數域仍然成立的若干結論.運用這些結論,在對網路噪聲抑制、網路收斂速度及待外推信號因截斷而造成頻譜嚴重外泄問題的分析與討論的基礎上,提出了一種基於交替投影神經網路的外推演算法.模擬實驗表明該方法是行之有效的.另外,該演算法對頻譜外推同樣適用;由於它採用全互連神經網路結構,易於并行計算和vlsi實現,從而可滿足軍事上實時處理的需要
  12. Thirdly, analyse stereoscopic hardware and software technologies. three kinds of methods : rotations with perspective projection, parallel projection and two centers of projection that are with their difference are reviewed. based this, we decide to use two centers of projection for computing the left eye and right eye views of stereo pair

    然後分別分析了立體顯示硬體和軟體技術,介紹了計算立體顯示的三種演算法:透視投影旋轉法、平行投影法和雙中心投影法,並分析它們的優缺點,由此決定使用雙中心投影法實現本課題的立體顯示。
  13. The simulation results show that, either for parallel geometry or for fan beam geometry, high resolution images can be reconstructed by means of both the algorithms from the overlapped projection data. moreover, the quality of the images reconstructed by the virtual detector algorithm from the overlapped low - resolution projection data is almost as good as that of the images reconstructed directly from the high - resolution projection data

    大量模擬試驗結果表明,無論對平行束的相疊低分辨數據還是對扇形束的相疊低分辨數據,用虛擬探測器法和直接重建法均可由相疊低分辨數據重建出具有較高解析度的圖像。
  14. The thesis investigates fourier volume rendering profoundly and implements a rendering engine, we find some problems of fourier volume rendering and propose a method to solve the problems, implement an algorithm using projection of macro voxels, and we also propose a new kind of parallel fourier volume rendering algorithm

    本文對頻域體繪制演算法進行了深入研究,實現了一個頻域體繪制演算法;針對頻域體繪制演算法存在的問題,找到解決的思路,實現了一個投影宏體素演算法,並且提出了一種新的頻域體繪制演算法的并行思路。
  15. The 2d affine projection model is analyzed from geometrical relation of parallel projection, the conversion of projection, the foundation of strict mathematical model of 2d affine. the characteristics of 2d affine projection are illustrated by experiments

    從平行投影的幾何關系分析、投影性質的轉換、嚴格仿射變換數學模型的建立等方面,深入研究了基於仿射變換的傳感器模型,給出了實驗結果和分析結論。
  16. Instead of fix grids, adaptive grids derived from the pixel projection histograms are employed. the proposed system ensembles multiple classifiers based on boosting algorithm. this integrated classifier works in a similar way to the serial integration mode in the training stage, and to the parallel integration mode in the classification stage

    實驗基礎上,本文從全局特徵集、紋理特徵集中選取分類能力強的特徵分量集;並改進網格的選取方案,採用基於像素投影直方圖的自適應網格劃分,以處理用戶簽名的多變性。
  17. The parallelization of image reconstruction by convolution back projection with narrow fan - beam based on workstations cluster can solve fast image reconstruction of high power x - ict, and the speed of parallel image reconstruction relates to the numbers of workstations involved

    本論文採用窄角扇束卷積反投影圖像重建在工作站機群上的并行實現能解決高能x射線工業ct機的快速圖像重建問題,并行圖像重建的速度與參與并行實現的工作站數有關。
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