• Chinese Optics Letters
  • Vol. 13, Issue 3, 031101 (2015)
Jae-Young Jang1, Myungjin Cho2,*, and Eun-Soo Kim1
Author Affiliations
  • 1Department of Optometry, Eulji University, 553, Sanseong-daero, Sujeong-gu, Seongnam-si, Gyonggi-do, South Korea
  • 2Department of Electrical, Electronic, and Control Engineering, Hankyong National University, Kyonggi-do 456-749, South Korea
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    DOI: 10.3788/COL201513.031101 Cite this Article Set citation alerts
    Jae-Young Jang, Myungjin Cho, Eun-Soo Kim, "3D image reconstruction with controllable spatial filtering based on correlation of multiple periodic functions in computational integral imaging," Chin. Opt. Lett. 13, 031101 (2015) Copy Citation Text show less

    Abstract

    We propose a novel method of slice image reconstruction with controllable spatial filtering by using the correlation of periodic delta-function arrays (PDFAs) with elemental images in computational integral imaging. The multiple PDFAs, whose spatial periods correspond to object’s depths with the elemental image array (EIA), can generate a set of spatially filtered EIAs for multiple object depths compared with the conventional method for the depth of a single object. We analyze a controllable spatial filtering effect by the proposed method. To show the feasibility of the proposed method, we carry out preliminary experiments for multiple objects and present the results.
    xEn={xO+zOzO+f[(n12)PxO]}+zOfzOf+d(zO+f){xd[xO+zOzO+f((n12)PxO)]}.(1)

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    X=|zOPzO+f(1zOfd(zO+f)zOf)|.(2)

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    xEn=xO+zOzO+f[(n12)PxO].(3)

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    X=|zOPzO+f|.(4)

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    g(xE)=h(zO,xE)*f(zO,xE)dzO.(5)

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    h(zO,xE)=n=0N1δ(xE2xOf+zOP2(zO+f)n|zOPzO+f|).(6)

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    f(zO,xE)=|zEzO|fO(zO,xO).(7)

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    g(xE)=n=0N1δ(xE2xOf+zOP2(zO+f)n|zOPzO+f|)|zEzO|fO(zO,xO)dxOdzO.(8)

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    R(xE)=g(xE)*α1α2s(zO,xE)dzO,(9)

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    α1α2s(zO,xE)dzO=α1α2n=0N1δ(xENPf+zOP2(zO+f)n|zOPzO+f|)dzO.(10)

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    R(xE)=g(xE)*[α1α2s(zO,xE)dzO+β1β2s(zO,xE)dzO+].(11)

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    ΔzO=Nf(XN)(X+1N),(12)

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    Jae-Young Jang, Myungjin Cho, Eun-Soo Kim, "3D image reconstruction with controllable spatial filtering based on correlation of multiple periodic functions in computational integral imaging," Chin. Opt. Lett. 13, 031101 (2015)
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