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基于数字链的成像系统高动态范围色度计校准方法.

Lvming Lv, Tong Wu, Zhiyi Wang

    Journal of the Optical Society of America. A, Optics, image science, and vision
    |January 31, 2025
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    本研究介绍了一种数字链测量方法,用于成像系统中的高动态范围 (HDR) 颜色管理. 新的校准技术提高了准确性和分辨率,用于精确的颜色表征.

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    科学领域:

    • 影像科学 影像科学
    • 测色仪的颜色测量方法
    • 数字信号处理 数字信号处理

    背景情况:

    • 高动态范围 (HDR) 颜色管理需要在成像系统和标准辐射之间进行准确的校准.
    • 现有的校准方法在满足HDR应用的关键要求方面面临挑战.

    研究的目的:

    • 为使用数字链测量的成像系统提出一种新的色度计校准方法.
    • 为了提高HDR成像场景中颜色测量的精度和分辨率.

    主要方法:

    • 建立了一个基于成像链的HDR色度校准过程模型,包括光源,目标反射率,光学参数,光谱灵敏度和颜色匹配功能.
    • 使用给定目标的模型获得视觉三刺激值和三通道响应值.
    • 调整了目标参数以模拟各种HDR成像条件,并应用了校准的回归算法.

    主要成果:

    • 与现有技术相比,拟议的方法显示了更广泛的动态范围和更密集的采样.
    • 在成像系统的色度表征模型中实现了更高的准确性.
    • 这导致了HDR应用中颜色测量的优越分辨率.

    结论:

    • 数字链测量方法为HDR色度校准提供了强大的解决方案.
    • 这种方法显著提高了先进的成像系统中颜色管理的性能和可靠性.