Chinese Optics Letters, Volume. 13, Issue 9, 093301(2015)

Color correction for tiled projection with irregularly shaped, overlapping region

Feng Chen*, Yue Liu, and Tao Yang
Author Affiliations
  • Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
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    Figures & Tables(10)
    Different gamuts of four projectors.
    Selecting common color gamut. (a) Gamuts of two projectors. (b) Selected common gamut.
    Makeup of light transport matrix.
    Multi-projector constrained optimization. (a) Target Luminance. (b) Two Projectors 1. (c) Two Projectors 2. (d) Two Projectors 3.
    Results of correction. (a) Setup of the system. (b) Before correction. (c) After geometric calibration. (d) After color correction.
    Results of gamut matching. (a) Before gamut matching (red). (b) After gamut matching (red). (c) Before gamut matching (green). (d) After gamut matching (green).
    Two frames of a video rendered onto the car model.
    Deviation of color before and after correction.
    • Table 1. CV of the Luminance at the Marginal and Central Areas of the Overlapping Region

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      Table 1. CV of the Luminance at the Marginal and Central Areas of the Overlapping Region

       CV
      RegionOur MethodPeter 2011[18]
      Margin1.93%4.35%
      Center1.76%1.88%
    • Table 2. CV of Different Color Channels in the Overlapping Region

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      Table 2. CV of Different Color Channels in the Overlapping Region

       CV
      ChannelOur MethodSajadi 2009[13]
      R1.72%2.61%
      G1.79%2.73%
      B1.66%2.48%
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    Feng Chen, Yue Liu, Tao Yang, "Color correction for tiled projection with irregularly shaped, overlapping region," Chin. Opt. Lett. 13, 093301 (2015)

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    Paper Information

    Category: Vision, Color, and Visual Optics

    Received: Apr. 8, 2015

    Accepted: Jun. 30, 2015

    Published Online: Sep. 14, 2018

    The Author Email: Feng Chen (chenfeng4036@163.com)

    DOI:10.3788/COL201513.093301

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