迭代重建演算法 的英文怎麼說

中文拼音 [diědàizhòngjiànyǎnsuànfǎ]
迭代重建演算法 英文
iterative reconstruction algorithm
  • 迭 : Ⅰ動詞（輪流; 替換） alternate; change Ⅱ副詞1 （屢次） repeatedly; again and again 2 （及） in tim...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 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;...
  • 演 : 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;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 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. Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate. on the other hand, natural weight is introduced and numerical simulations and experiments of wlm on inversion of velocity and attenuation are also made, which show that wlm, with resistance of noises and convergence of iteration, may get good re - construction images

    本文引入了物理意義明確的自然權，對基於自然權的加權阻尼最小二乘反演演算法（ wlm ）在速度反演、衰減反演中進行了數值模擬和試驗研究，結果表明wlm均能獲得良好的重建圖像，迭代收斂，抗噪能力強。
  2. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求
  3. As for single objective optimization algorithm, a fast iterative algorithm based on conjugate gradient algorithm is presented, which makes use of extent limit of iterative optimization step in conjugate gradient with the idea of least square

    在標量優化圖像重建法中，作者以最小二乘為目標，利用共軛梯度法中迭代最優步長的區間性，提出了一種基於共軛梯度法的快速迭代演算法。
  4. 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。
  5. The use of tikhonov regularization theory was to solve ill - posed problem of image reconstruction and the use of sirt algorithm was to improve the quality of the final reconstructed image

    為了克服圖像重建中的不適定性問題，利用tikhonov正則化原理進行初始圖像重建。 sirt演算法則用來對初始重建圖像進行迭代改善以獲得最終重建圖像，改善了重建圖像的質量。
  6. 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。
  7. But, generally cbp needs complete projection data. algebraic reconstruction to reconstruct ct images has advantages because of its simple arithmetic program and widely using

    迭代重建法的演算法設計簡單，應用范圍廣，並可以充分利用先驗知識進行重建，對不同格式的采樣數據，均可以重建
  8. For this method, the matrix inversion and iterative reconstruction are selected based on the quantity and quality of data, and then the physical model and the actually measured data are processed by using this method

    層析成像演算法根據數據量大小、品質來選擇矩陣反演法與迭代重建法，然後對物理模型、實測資料進行層析成像處理，結果獲得滿意的重建異常體圖像。
  9. A fast and real - time algorithm to obtain some vectors of the projection matrix is proposed in this dissertation to solve the conflict of time cost by matrix obtainment and memory occupied by matrix, and speed the iterative algorithm

    作者根據扇形掃描幾何的對稱性和重疊性，提出了一種快速實時獲取投影矩陣分量的方法，較好地解決了獲取投影矩陣所需速度和存放其所佔內存空間的矛盾，提高了迭代重建演算法的速度。
  10. In order to improve the quality of reconstruction image and solve the problem that " salt and pepper " phenomena occurs in the reconstruction image, the paper proposes a novel algorithm reconstruction technique ( art ), compare the theory and capability of between them

    論文提出新的代數迭代重建演算法（ art ） ，並且比較了新的重建演算法和原有的迭代重建演算法的原理和性能，重點研究了在不完全數據重建時， art型演算法的性能。
  11. The authors established an initial velocity model based on the first break time of the actual data, then realized the forward calculation with the improved shortest path ray tracing algorithm, and applied the improved constrained damped simultaneous iterative reconstruction technique ( cdsirt ) to solve large - scale and sparse equations for inversing the near - surface velocity field

    根據實際地震數據的初至波時間建立初始速度模型；採用改進的最短路徑射線追蹤演算法進行正演；利用改進的約束帶阻尼聯合迭代重建技術（ cdsirt ）求解大型、稀疏的方程組來反演近地表的速度場。
  12. The new method ameliorates the process of old iterative method and add a new iterative parameter : convergence factor, which can improve the quality of reconstruction image by changing the iterative process and adjusting convergence factor

    該演算法改進已有的迭代過程，加入了新的迭代參數：收斂因子，通過改變迭代進程和調整收斂因子來提高重建圖像的質量。
  13. Iterative algorithms in computed tomographic reconstruction

    圖像重建的迭代演算法
  14. In chapter five to reconst ruct the three - dimensional object cubes, various deconvolution algorithms : nearest neighbor, inverse filtering and constrained iterative deconvolution are developed and applied to both computer generated and experimentally measured image cubes. the best results are obtained using an svd inverse fourier deconvolution algorithm with regularization for noise suppression

    第五章為了重建三維目標立方，發展了各種去卷積演算法：最近鄰、逆濾波和帶約束的迭代去卷積，並應用到計算機產生和試驗測量的圖像立方中，最好的結果是利用具有規則抑制噪聲的svd逆傅立葉變換去卷積演算法獲得的。
  15. The direct numerical simulation methods for turbulent spots in the channel, open - channel and boundary layer flows are built respectively. effective algorithms composed of time - advancing, over - relax iteration and multiple grid methods are planned to raise computational efficiency

    分別建立了適用於在槽道、明渠和平板邊界層流動中直接模擬湍斑的數值方法，並精心設計了時間推進、超鬆弛迭代和多重網格等高效演算法，以提高計算效率。
  16. 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。
  17. In this work the artificial neural network ( ann ) and particle transport theory were studied, considering the tgs characteristics and the two new reconstruction techniques, ann and monte carlo statistical iteration tgs transmission image reconstruction method, were proposed

    本文根據tgs上述特點和要求，分別從神經網路和mc模擬兩種不同的技術，提出了兩種tgs透射測量圖像重建的新演算法:神經網路tgs透射測量圖像重建演算法和mc統計迭代透射測量圖像重建演算法。
  18. The multiscale model is not only capturing the several important ways in which a data analysis or signal processing problem can have multiscale characteristic, but also leading to an efficient and highly parallelizable algorithm for optimal estimation of stochastic processes

    此模型的的建立不僅是獲取具有多尺度特徵的數據分析或信號處理問題的一種重要方式，同時，利用它還可以為最優估計隨機過程的狀態變量誘導出高度有效、并行迭代演算法。
  19. This paper researches and improves two important algorithms to reconstruct high resolution images, with reduced aliasing, from a sequences of undersampled rotated and shifted frames. the reconstructed image resolution is from two to four times higher than the undersampled frames

    本文研究和改進了運動補償迭代演算法和共軛梯度最優化迭代演算法，從欠采樣圖像序列中復原出高解析度的圖像，使被重建圖像的解析度比欠采樣幀提高了2 ~ 4倍。
  20. In order to express imaging problem accurately, moreover, projection equations are introduced as the restricted condition of single objective optimization, and then a restricted least - square iteration algorithm for image reconstruction from projections is proposed to get the reconstructed results with little artifact quickly and concisely

    此外，為了更準確表達問題，引入投影方程作為標量優化的約束條件進行重建求解，提出了一種約束最小二乘估計的圖像重建演算法。其特點是迭代表達式簡單，速度快，而且能很好地消除重建偽影。
分享友人
分享到 Line

分享到臉書