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动态扫描和凝视成像系统的图像运动补偿控制方法.

Peng Gao, Xiuqin Su, Zhibin Pan

    Applied optics
    |November 27, 2024
    PubMed
    概括

    本研究介绍了一种双通道控制方法,以消除动态扫描和凝视成像系统中的图像运动. 这种新的方法提高了对大面积,高分辨率监控应用的成像准确度和速度.

    科学领域:

    • 光学工程是指光学工程.
    • 控制系统工程 控制系统工程
    • 图像处理 图像处理

    背景情况:

    • 动态扫描和凝视成像系统需要精确的控制来实现大面积的高分辨率成像.
    • 扫描过程中的图像运动降低了图像质量,并降低了监控系统的有效性.

    研究的目的:

    • 开发和验证动态扫描和凝视成像系统的有效图像运动补偿控制方法.
    • 为了提高平台旋转控制的准确性和响应速度.
    • 为了弥补扫描速度和多重干扰,使用快速转向镜 (FSM).

    主要方法:

    • 提出了一种改进的模型辅助主动干扰排斥控制 (ADRC) 与平台旋转控制的辅助模型.
    • 集成快速转向镜 (FSM) 以实时补偿扫描速度和干扰.
    • 设计了一种并行跟踪差分器过器,以减轻陀螺仪对FSM的噪声干扰.

    主要成果:

    • 在多个频率干扰下,在一个像素的空间角分辨率以下实现了残余图像运动补偿错误.
    • 证明了补偿图像的灰度差异函数在实验中接近90%的静态参考图像.
    • 验证了双通道控制策略的有效性,以实现稳定和准确的成像.

    结论:

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    • 拟议的双通道图像运动补偿控制方法显著提高动态扫描和凝视成像系统的性能.
    • 改进的ADRC和FSM与噪声过的整合,为各种干扰提供了强大的补偿.
    • 这种技术可以在动态监控场景中实现高质量,高分辨率的成像.