reconstructed image 中文意思是什麼

reconstructed image 解釋
再現圖像
  • reconstructed : 服裝結構的重組
  • image : n 1 像，肖像，畫像；偶像。2 影像，圖像。3 相像的人（或物）；翻版。4 形像，典型。5 形像化的描繪。6...
  1. The current researches include how to cut down the computation complexity, how to reduce the average coding bit rate, how to improve the quality of reconstructed image, and which algorithm to be suitable to vlsi implementation

    在該技術中，減少運算復雜度、降低平均編碼比特率、提高恢復圖像的質量和便於硬體實現等方面是當前研究的主要方向。
  2. Thus the coding of a color head image actually become the coding of a color component. the experimental results show this method not only improve the coding efficient and compression ratio but also obtain satisfactory effect of the reconstructed image. at the same time, this method also enables gray head images to be converted into color head images

    這樣對彩色人頭圖象的編碼實質上就變成了對其中的一個色彩分量的編碼，實驗結果表明該方法不僅提高了編碼效率和壓縮比，也能獲得較滿意的重構圖象效果，同時還使得將灰度人頭圖象轉換成彩色人頭圖象成為可能。
  3. 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。
  4. The fpga post simulation results prove that the trade - off algorithm is an effective fast search algorithm of vq coding on the three aspects of reducing the coding time, improving the reconstructed image quality, and lowering the difficulty of vlsi implementation

    該編碼電路的fpga實現及fpga驗證結果表明，本文提出的快速演算法大大地減少了編碼時間、有效地提高了恢復圖像質量，同時也降低了硬體實現的難度。
  5. Firstly, based on conventional vq, a fast algorithm named equal - sum block - extending nearest neighbor search ( ebnns ) is presented, which not only can achieve the reconstructed image of full search algorithm but also can greatly reduce both the codeword search ratio and chip area. in order to improve coding efficiency, a new algorithm called correlation - inheritance coding is proposed, which is embedded in conventional vq system to improve compression ratio by re - encoding the indexes

    首先，在普通矢量量化基礎上提出了等和值塊擴展最近鄰快速碼字搜索演算法（ ebnns ） ，該演算法在圖像畫質達到窮盡搜索演算法的前提下，大大降低了碼字搜索率和硬體實現面積；為了提高編碼效率，在相關性編碼方面，提出了相關繼承編碼演算法，對普通矢量量化后的編碼索引進行無損重編碼。
  6. Based on the psf, some basic characters including reconstructed image lateral resolution and the size limit of the recorded object in the in - line phase - shifting digital holography are theoretically discussed

    第四章討論了同軸相移數字全息中，相移角的選取、相移誤差以及量化誤差對再現像的影響。
  7. Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation

    通過數值分析不同相移角的選取對再現像的強度誤差的影響，發現再現像強度誤差依賴于記錄時相移角的選取，當相移角在一定范圍內，其再現像的強度誤差相對較小；提出了一種有效消除相移誤差的新方法，並將其應用於二步同軸相移數字全息，對此進行了計算機模擬，得到了很好的結果，證明該方法對于相移誤差的消除是很有效的；對量化誤差所作的數值模擬發現，當信號被量化成8比特（ bit ） ，即256個灰度級以上，量化噪聲的影響相對較小。
  8. In order to im - prove the reconstructed quality, yao zhao [ 12 ] proposed a nonlinear gray trans - formation, heightened the quality of the reconstructed image efficiently

    為了改進分形圖象壓縮演算法的重建質量，趙耀等人提出一種非線性的灰度變換，有效的提高了圖象重建質量。
  9. Then, in order to reduce the coding time of each image vector, a fast algorithm based on mean - order - search is proposed. the simulation results of this algorithm show that its coding speed is twenty times faster than that of full search algorithm ( fs ), but its reconstructed image is badly ruined

    其次，為減少每個矢量的編碼時間，提出一種基於均值排序碼書的快速搜索演算法，測試結果顯示，該演算法編碼速度是窮盡搜索演算法的二十多倍，但是恢復圖像的質量大大地降低了。
  10. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲，傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流，由於空域和時域的壓縮方法以及熵編碼方法的應用，即使是一個比特的錯誤，常會影響一個區域的圖像不能正確解碼，同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上，添加容錯功能。
  11. 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。
  12. In industry application, however, incomplete projections can only be obtained, so the situation is not appropriate to the transformed imaging technique and then the iterative algorithm has to be applied so that better reconstructed image can be got

    然而在工業應用中，一般得到的是不完全投影數據，其數量和結構往往無法達到解析成像技術要求的條件，因此為得到較清晰的圖像，必須採用迭代重建法。
  13. In intra - frame postprocessing error concealment techniques in this dissertation, interpolating pixel values within a damaged macroblock from its four 1 - pixel - wide boundaries and introducing the texture information from its four adjacent blocks can improve the quality of reconstructed image. it was found that the visual texture in damaged macroblocks can be reconverted with his algorithm in experiment

    本文提出的一種基於視頻幀內后處理的錯誤隱藏演算法，採用幀內紋理恢復的內插技術，將相關性最強的象素作為損壞塊內插的信息源，並引入相鄰塊的紋理信息，從而獲得較好的圖象恢復質量。
  14. In digital holography, the off - axis setup ca n ' t make effective use of the pixels of a ccd camera because of the necessity for carrier fringe. and the size of the reconstructed image is also limited by the presence of zero - order and conjugate image in off - axis digital holography

    數字全息中，由於記錄介質ccd的有限解析度，同軸數字全息較離軸數字全息有更多的優點，它可以有效利用ccd的像元個數，擴大再現像的視場，提高再現像的解析度，更適合記錄小尺度三維物體。
  15. Simulation results show reconstructed image of this technique has good overall visual effect and has no block profile which may exist in block matching motion estimation method. mrme ' s time requirement approximates that of block logarithm search algorithm

    模擬結果表明，該方法重建的解碼圖像整體感好，無塊匹配搜索法的塊輪廓，而編碼速度和塊對數搜索法相當。
  16. My principal work is these : transforming image in wavelet at first, then encoding wavelet coefficients in sofm arithmetic methodology, lbg arithmetic methodology, dpcm encoding step by step, wavelet zero tree compression separately, reconstructing the image at last, so researching how to improve compression ratio, hi addition, the article puts forward a new arithmetic methodology, sl arithmetic methodology, on the base of comparing sofm arithmetic methodology with lbg arithmetic methodology what it needs emphasis is the variety of reconstructed image because of the diversity of mother wavelet

    本人所做的工作主要圍繞著這樣的步驟：將圖像數據先進行小波變換，然後分別應用sofm演算法、 lbg演算法、 dpcm分步編碼、小波零樹壓縮等對圖像小波系數進行編碼，最後重構圖像。 akqnk44 wa從而研究如何能夠提高圖像壓縮比，並比較了各演算法在圖像壓縮中的特點。另外，根據sofm演算法、 lbg演算法在圖像壓縮中的各自特點，提出了一種新的算祛一七l演算法。
  17. The real - time obtainment of the components of projection matrix and the substitution of constant step for optimal step in the one - dimension search in conjugate gradient were adopted to ensure the equality of reconstructed image from incomplete projections and shorten the reconstruction time simultaneously

    通過即時獲取投影矩陣分量，以固定步長替代共軛梯度法中一維搜索最優迭代步長，在確保品質的同時縮短重建時間。
  18. For overcoming this disadvantage and keeping its advantage of short coding time, we improve the algorithm on the two aspects of structure parallelism and codebook order structure, to gain a better coding algorithm, which meets the requirement of reconstructed image and vlsi implementation

    為了彌補這個缺陷，在保持該演算法編碼速度快這個優點的基礎上，從結構并行性和碼書排序結構兩方面對其改進，得到一種既提高了恢復圖像質量，又適合vlsi硬體實西安理工大學碩士學位論文現的編碼演算法。
  19. Third, the quantization of wavelet coefficients based on the embedded zerotree wavelet ( ezw ) is discussed and some improvement is made to it. finally, this paper brings forward a scalable image coding method based on iwt and the improved zerotree quantization, which can realize lossless to lossy image compression, more simple computing, and higher - quality reconstructed image compared with image coding method based on traditional wavelet transform. the experimental results are satisfying

    在此基礎上，提出了一種基於整數小波變換和改進零樹量化方法的可分級圖像編碼方法，該方法可以實現圖像從完全無損到有損壓縮，與基於傳統小波變換及零樹量化的方法相比，運算簡潔，速度快，重構圖像質量高，取得了令人滿意的效果。
  20. Since each description included part or all information of the odd and even position coefficients, the reconstructed image from any single channel would have acceptable fidelity

    由於每個描述都包含了奇數位系數和偶數位系數的部分或全部信息，因此，接收到一個通道的信息就可以重建出一定質量的圖像。
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