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Fast Computational Integral Imaging Reconstruction Method Using a Fractional Delay Filter

机译:使用分数延迟滤波器的快速计算积分成像重建方法

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摘要

In this paper, we propose a fast method for computational integral imaging reconstruction (CIIR) in computational integral imaging (CInIm). The previous CIIR method requires a very high computational cost to reconstruct a volumetric image from elemental images. To overcome this problem, we introduce a fast technique that reduces the computational cost markedly in comparison with the previous method. The proposed method employs a fractional delay (FD) filter in place of the magnification of elemental images. Then, the FD-filtered elemental images are superimposed on each other. We calculate the numbers of pixels that are considered in our CIIR method and in the previous one. On the basis of this, the proposed method can be a fast process because the number of pixels from our method is much less than that of pixels from the previous one. To show the usefulness of the proposed method, we carry out preliminary experiments and present the results in terms of computational cost and visual quality.
机译:在本文中,我们提出了一种在计算积分成像(CInIm)中进行计算积分成像重建(CIIR)的快速方法。先前的CIIR方法需要非常高的计算成本才能从基本图像重建体积图像。为了克服这个问题,我们引入了一种快速技术,与以前的方法相比,该技术显着降低了计算成本。所提出的方法采用分数延迟(FD)滤波器代替基本图像的放大倍数。然后,将经过FD滤波的基本图像相互叠加。我们计算CIIR方法和上一个方法中考虑的像素数。在此基础上,提出的方法可能是一种快速的过程,因为我们方法的像素数量远少于前一种方法的像素数量。为了显示该方法的有效性,我们进行了初步实验,并根据计算成本和视觉质量给出了结果。

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  • 来源
    《Japanese journal of applied physics》 |2010年第2issue1期|p.022503.1-022503.6|共6页
  • 作者

    Hoon Yoo; Dong-Hak Shin;

  • 作者单位

    Divison of Digital Media Technology, Sangmyung University, 7 Hongji-dong, Jongno-gu, Seoul 110-743, Korea;

    Department of Visual Contents, Dongseo University, San 69-1, Churye-2-dong, Sasang-gu, Busan 617-716, Korea;

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