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    科学领域:

    • 光学工程是指光学工程.
    • 图像处理 图像处理
    • 光子学 是一个光子学.

    背景情况:

    • 水下光学成像由于光吸收和反光散射而遭受低信号噪声比和有限范围的困扰.
    • 现有的方法在专门的水下成像系统中与不均的照明和复杂的噪音作斗争.

    研究的目的:

    • 开发一种先进的图像预处理方法,用于水下时隔,单光子雪崩二极管 (TG-SPAD) 阵列图像.
    • 为了提高图像质量和扩展在具有挑战性的水下环境中的成像能力.

    主要方法:

    • 应用Retinex理论用于图像预处理和块匹配和3D过 (BM3D) 算法.
    • 整合了快速照明校正,时间域转换,适应性噪音装备模型,以及改进的Anscombe转换以消除噪音.

    主要成果:

    • 与现有技术相比,拟议的方法显著改善了主观视觉评估和客观评估指标.
    • 在提高TG-SPAD-array图像的视觉质量方面表现出卓越的性能.

    结论:

    • 开发的方法有效地解决了水下单光子成像中的照明和噪声挑战.
    • 该技术非常适合优化水下应用中高精度3D深度图的生成.