重建影像 的英文怎麼說

中文拼音 [zhòngjiànyǐngxiàng]
重建影像 英文
reconstructed image
  • 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;...
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  • 像 : Ⅰ名詞1 （比照人物製成的形象） likeness （of sb ）; portrait; picture 2 [物理學] image Ⅱ動詞1 （在...
  • 重建 : 1. rebuild; reconstruct; reestablish; rehabilitate 2. reestablishment; reconstruction
  1. On the basis of investigation and research about the technology of reconstruction for ict image up - to - date, this paper is devoted to develop an algorithm for image reconstruction based on wavelet theory. in this paper, time - frequency distribution for spatially varying filter was used to construct convolve - kernel by dwt, to modify convolve - back - projection algorithm

    本文在國內外有關ct圖像重建的研究狀況基礎上，根據小波分析理論，利用小波變換在時頻空間的可變性，用dwt變換構造卷積核，對卷積反投影演算法做了改進。
  2. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  3. The image reconstruction algorithms is thoroughly researched. the filter back projection ( fbp ), algebra reconstruction technology ( art ) and fan beam data rearrangement algorithm used in medical computer tomography are improved. the noser algorithm, linear neural networks method and hopfield neural networks method are presented and gain the better result of image reconstruction

    深入研究了圖像重建演算法，改進了醫學ct的濾波反投影演算法、代數重建技術和扇束投影數據重排方法，提出了帶圖像光滑約束的noser演算法、線性神經網路方法和hopfield神經網路方法，並得到了較好的圖像重建結果。
  4. This kind of two - channels wavelets decomposition methed reconstruct the wavelet coefficients of an image from the radon transform data, and these coefficients were made reverted wavelet transform obtain the original image. wavelets subsampled on the quincunx lattice, which can have cut - off at an angle during the wavelets decomposition

    基於不可分離mra的小波演算法將投影數據進行二維濾波，其二通道的小波分解直接得到小波的近似系數和細節系數，這些系數再經過逆小波變換就得到了最終的重建圖像。
  5. A fast algorithm for digitally reconstructed radiographs

    一種快速數字化重建放射攝影成像演算法
  6. In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation

    摘要本文應用波動方程式的可逆性討論彈性波的逆時影像重建。
  7. The reconstruction speed of fbp is fast. the image reconstructed by fbp is of high spatial resolution, but with heavy artifacts, while the image reconstructed by art is of high - density resolution and is of sligh artifacts

    變換方法以卷積反投影（ fbp ）方法最為常用，該演算法重建速度快，成像質量較好，但是其要求完全的、等間距的采樣數據，通常重建圖像偽影較重。
  8. In order to reconstruct image, generally fbp needs complete projection data, but art is available to either complete or incomplete projection data. the major disadvantage of art is its low convergent speed

    代數重建方法（ art ）是級數重建法的典型形式，其適用於不同方式的采樣數據，對不完全數據也可重建圖像，但是，計算量大、重建速度慢，影響了該演算法的應用范圍。
  9. 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。
  10. The main disadvantage of iterative algorithm is its slow speed and the time cost of image reconstruction is directly proportional to the number of projections and the size of reconstruction image

    迭代重建法最大的缺點是速度慢，其花費時間同投影數的多少以及重建圖像的大小成正比。
  11. The images reconstructed by ct are of good quality and high resolution. furthermore, ct images can be processed and analyzed digitally. so ct is widely applied in aviation, astronautics, mechanics, shipping, public security, customs, medicine, and many other areas

    計算機層析成像技術（簡稱ct ）是近幾十年來發展起來的一種新的無損檢測技術，具有檢測精度高、重建圖像無影像重迭、空間解析度和密度解析度高、可直接進行數字化處理等優點，現已被廣泛應用於航空、航天、機械、船舶、公安、海關、醫療等諸多領域。
  12. Processing of 10, 12 and 16 - bit grey images and 24 - bit colour images built in a number of functions for image operation and processing, as image zooming, magnifying glass, image pan, rotating and reflecting, density inverting, image optimization, colour remapping etc

    如影像位置及方向的變換影像密度反轉影像二維重建影像拼接影像銳化柔化影像顯示鏡像平移放大縮小局部放大動態回放等。
  13. 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。
  14. Projection reconstruction for the far field applications and wavefront reconstruction for the near field applications of the impsar are addressed according to the target scattering center model

    根據目標散射中心模型，文中給出了impsar的適用於遠場應用條件的投影重建和應用於近場應用條件的波前重建成像方法。
  15. In view of the fact that there is inevitably noise in actual projections, single objective ca n ' t express reconstruction characteristic accurately, so the author pays more attention to other objectives of reconstruction image to make full use of the mutual information among the incomplete projections and the vector mathematic programming is presented to solve the imaging problem

    鑒于實際投影中存在不可避免的噪聲，單一目標無法準確描述重建特性，為此需兼顧重建圖像的其它指標，更好地挖掘不完全投影數據之間的相互信息。於此，作者提出採用向量優化法來表述成像問題。
  16. Once this kind of data is used to reconstruct the image directly, beam - hardening artifacts appear in the reconstructed image

    若直接用多色投影數據來重建圖像，就會出現射束硬化偽跡。
  17. This thesis developed an algorithm to reconstruct the wavelet coefficients of an image from the radon transform data. this algorithm is similar to the conventional filtered backprojection algorithm, except that the filters are now angle dependent, and the backprojection gives us the wavelet coefficients of the reconstruction, which are then used to synthesize the reconstruction

    該演算法與傳統的濾波反投影法相似，不同的地方在於，演算法中用到的濾波器是與x射線的照射角度相關聯的，而且反投影后得到的是待建圖像的小波分解系數，這些系數再經過逆小波變換就得到了最終的重建圖像。
  18. But in the process of the inverted radon transform, the recovery of an image at any fixed point requires the knowledge of all projections of the image

    但是在randon變換求逆的過程中，為了重建圖像中任意一個點的信息，它需要用到待建圖像的所有投影數據。
  19. The experimental results of reconstruction from computer - generated projections and real missile tomography projections show that the fast algorithm guarantees the fitness to original image, speeds the iteration time, and can be specially used for reconstruction for incomplete projections in fan scanning

    利用模擬投影數據和實際導彈斷層掃描數據進行圖像重建，結果表明，與卷積反投影和代數重建法相比，此演算法特別適用於扇形掃描的不完全投影數據的圖像重建，在保證重建圖像擬合度的同時，大大提高了重建速度。
  20. The convolution back projection ( cbp ) technique and the algebraic reconstruction technique ( art ) are two of the major image reconstruction methods in ct

    現在主要有兩大類重建圖像的方法:變換方法和迭代方法.變換法以卷積反投影演算法最為常用，醫學ct普遍採用變換法成像技術
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