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  • Received: Apr. 8, 2015

    Accepted: Jun. 30, 2015

    Posted: Jan. 23, 2019

    Published Online: Sep. 14, 2018

    The Author Email: Feng Chen (

    DOI: 10.3788/COL201513.093301

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    Feng Chen, Yue Liu, Tao Yang. Color correction for tiled projection with irregularly shaped, overlapping region[J]. Chinese Optics Letters, 2015, 13(9): 093301

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Chinese Optics Letters, Vol. 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


In this Letter, a new, constrained color-matching algorithm that removes the color variations is presented, in which all the color gamut of the projectors is mapped into a common gamut that can be produced by all the devices in the system. The smoothness constraints on the difference between two adjacent pixels are taken into account to calculate the luminance attenuation map of each pixel in the overlapping region to achieve luminance seamlessness. The experimental results demonstrate the validity and superiority of this correction algorithm.

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