Acquiring 4D Light Fields of Self-Luminous Light Sources Using Programmable Filter

  • Motohiro Nakamura
  • Takahiro OkabeEmail author
  • Hendrik P. A. Lensch
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8926)


Self-luminous light sources in the real world often have nonnegligible sizes and radiate light inhomogeneously. Acquiring the model of such a light source is highly important for accurate image synthesis and understanding. In this paper, we propose a method for measuring 4D light fields of self-luminous extended light sources by using a liquid crystal (LC) panel, i.e. a programmable filter and a diffuse-reflection board. The proposed method recovers the 4D light field from the images of the board illuminated by the light radiated from a light source and passing through the LC panel. We make use of the feature that the transmittance of the LC panel can be controlled both spatially and temporally. The proposed method enables us to utilize multiplexed sensing, and therefore is able to acquire 4D light fields more efficiently and densely than the straightforward method. We implemented the prototype setup, and confirmed through a number of experiments that the proposed method is effective for modeling self-luminous extended light sources in the real world.


Self-luminous light source Extended light source 4D light field Programmable filter Multiplexed sensing 


  1. 1.
    Adelson, E., Bergen, J.: The plenoptic function and the elements of early vision. Computational Models of Visual Processing, MIT Press, pp. 3–20 (1991)Google Scholar
  2. 2.
    Aoto, T., Sato, T., Mukaigawa, Y., Yokoya, N.: Linear estimation of 4-D illumination light field from diffuse reflections. In: Proc. ACPR 2013, pp. 495–500 (2013)Google Scholar
  3. 3.
    Ashdown, I.: Near-field photometry: a new approach. Journal of Illuminating Engineering Society 22(1), 163–180 (1993)CrossRefGoogle Scholar
  4. 4.
    Goesele, M., Granier, X., Heidrich, W., Seidel, H.: Accurate light source acquisition and rendering. In: Proc. ACM SIGGRAPH 2003, pp. 621–630 (2003)Google Scholar
  5. 5.
    Moreno, I., Sun, C.-C.: Three-dimensional measurement of light-emitting diode radiation pattern: a rapid estimation. Measurement Science and Technology 20(7), 1–6 (2009)CrossRefGoogle Scholar
  6. 6.
    Ng, R., Levoy, M., Bredif, M., Duval, G., Horowitz, M., Hanrahan, P.: Light field photography with a hand-held plenoptic camera. Stanford Tech Report CTSR 2005–02 (2005)Google Scholar
  7. 7.
    Liang, C.-K., Lin, T.-H., Wong, B.-Y., Liu, C., Chen, H.: Programmable aperture photography: multiplexed light field acquisition. In: Proc. ACM SIGGRAPH 2008 (2008)Google Scholar
  8. 8.
    Ramamoorthi, R., Hanrahan, P.: A signal-processing framework for inverse rendering. In: Proc. ACM SIGGRAPH 2001, pp. 117–128 (2001)Google Scholar
  9. 9.
    Rykowski, R., Kostal, H.: Novel approach for LED luminous intensity measurement. In: Proc. SPIE, vol. 6910 (2008)Google Scholar
  10. 10.
    Schechner, Y., Nayar, S., Belhumeur, P.: A theory of multiplexed illumination. In: Proc. ICCV 2003, pp. 808–815 (2003)Google Scholar
  11. 11.
    Sloane, N., Fine, T., Phillips, P., Harwit, M.: Codes for multiplex spectrometry. Applied Optics 8(10), 2103–2106 (1969)CrossRefGoogle Scholar
  12. 12.
    Tan, H., Ng, T.: Light-emitting-diode inspection using a flatbed scanner. Optical Engineering 47(10) (2008)Google Scholar
  13. 13.
    Unger, J., Wenger, A., Hawkins, T., Gardner, A., Debevec, P.: Capturing and Rendering with Incident Light Fields. In: Proc. EGSR 2003, pp. 1–10 (2003)Google Scholar
  14. 14.
    Verbeck, C., Greenberg, D.: A comprehensive light-source description for computer graphics. IEEE CG&A 4(7), 66–75 (1984)Google Scholar
  15. 15.
    Wetzstein, G., Ihrke, I., Heidrich, W.: On plenoptic multiplexing and reconstruction. IJCV 101(2), 384–400 (2013)CrossRefzbMATHGoogle Scholar
  16. 16.
    Wilburn, B., Joshi, N., Vaish, V., Talvala, E.-V., Antunez, E., Barth, A., Adams, A., Horowitz, M., Levoy, M.: High performance imaging using large camera arrays. In: Proc. ACM SIGGRAPH 2005, pp. 765–776 (2005)Google Scholar

Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Motohiro Nakamura
    • 1
  • Takahiro Okabe
    • 1
    Email author
  • Hendrik P. A. Lensch
    • 2
  1. 1.Kyushu Institute of TechnologyKitakyushuJapan
  2. 2.Tübingen UniversityTübingenGermany

Personalised recommendations