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Specular highlight removal based on an iterative light field method

机译：基于迭代光场法的镜面突出脱模

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摘要

In this paper, a novel, to the best of our knowledge, iterative approach for highlight removal is proposed using lenselet-based plenoptic cameras without multiple exposures. An unsupervised k-means clustering approach that relates unsaturated pixels to chromatic dispersion based on the intrinsic decomposition and dichromatic reflection model is proposed to recover unsaturated highlights. Meanwhile, an adaptive direction method along with a Gaussian probability distribution model is designed to recover the saturated highlights. Finally, a method that combines the specular residual ratio with information entropy is built to quantitatively evaluate the quality of highlight removal. Generally, our method not only fully removes specular highlights, but also has low spatial complexity of image acquisition, more stability, and outstanding restoration for complex scenes. (C) 2021 Optical Society of America
机译：在这篇论文中，我们提出了一种新的，据我们所知，迭代的方法去除高光，使用基于透镜组的全光相机，无需多次曝光。提出了一种基于内禀分解和双色反射模型的无监督k-均值聚类方法，将非饱和像素与色散联系起来，以恢复非饱和高光。同时，设计了一种自适应方向法和高斯概率分布模型来恢复饱和高光。最后，建立了一种将镜面剩余比与信息熵相结合的方法来定量评价高光去除的质量。一般来说，我们的方法不仅能完全去除镜面反射高光，而且图像采集的空间复杂度低，稳定性高，对复杂场景的恢复效果好。（2021）美国光学学会

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  • 来源
    《Applied optics》 |2021年第13期|共8页
  • 作者

    Feng Wei; Li Xiuhua; Sun Xingyu; Gao Junhui; Qu Tong; Wang Shoutong; Zhao Daxing;

  • 作者单位

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

    Hubei Univ Technol Sch Mech Engn Hubei Key Lab Modern Mfg Qual Engn Wuhan 430068 Peoples R China;

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