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在1位边缘投影分析中对二进制模式的错误-扩散-内核参数.

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 计算机视觉和图像处理

    背景情况:

    • 对于边缘投影特征测量来说,对8位形图案的1位处理至关重要,它可以实现高速的3D测量并减少非线性错误.
    • 从正弦形模式生成1位边缘不可避免地引入高阶波,这可能会降低测量精度.

    研究的目的:

    • 开发一种新的方法,用于为边缘投射特征测量生成具有减少高阶波的1位边缘.
    • 为了提高3D形状测量中使用的正弦形图案的准确性和质量.

    主要方法:

    • 在Floyd-Steinberg dithering算法中,将错误扩散内核从2x3扩展到3x5.
    • 为边缘生成优化3x5错误扩散内核的参数.
    • 模拟和实验验证拟议方法的性能.

    主要成果:

    • 拟议的3x5误差扩散内核产生1位边缘,与传统方法相比,高阶波显著减少.
    • 模拟表明,在高斯低通过后,生成的边缘更接近形图案.
    • 实验结果证实,使用优化的3x5扩散内核,测量准确度更高.

    结论:

    • 扩展的3x5误差扩散内核在1位边缘生成中有效地抑制了高阶波.
    • 这种方法为边缘投射分析应用提供了显著的精度提高.
    • 优化的3x5内核为高速,高精度的3D测量提供了卓越的方法.