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Approximate methods to determine the modulation transfer function of a hololens system: a comparative study

机译:确定Hololens系统调制传递函数的近似方法:一项比较研究

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摘要

We present a comparative study between two experimental methods to determine the modulation transfer function (MTF) of a hololens system. The two hololenses were previously recorded and tested for filtering pseudocolor. In the first method we used the classical Foucault test. The second, alternative method is based on the digital image processing of a perfect edge under incoherent illumination. From the digitized intensity line profiles we obtain the MTF and cutoff frequency of the optical system according to the reciprocity between line spread function and MTF. Comments are made on the applicability and accuracy of these two methods.
机译:我们目前进行比较研究,以确定一种hololens系统的调制传递函数(MTF)的两种实验方法。先前已记录了两种hololense,并测试了过滤伪色的能力。在第一种方法中,我们使用了经典的Foucault检验。第二种替代方法基于非相干照明下完美边缘的数字图像处理。根据线扩散函数和MTF之间的互易关系,从数字化强度线轮廓中获得光学系统的MTF和截止频率。对这两种方法的适用性和准确性进行了评论。

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