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Coded aperture imaging of high-energy radiation: modeling and primary experimental research

机译:高能量辐射的编码光圈成像:建模与初级实验研究

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This work discusses coded aperture functioning in the visible spectral range. A MURA coded aperture was implemented using laser ablation by evaporation of titanium film from a transparent substrate. The optimal laser parameters to make a high-contrast aperture are shown. The paper also present an algorithm based on periodic correlation which has been developed for image reconstruction. Experiments were carried out with the aperture of rank 37 with a minimal element of 130 μm. The images obtained during the experiment demonstrate the effectiveness of the proposed aperture implementation method and the developed image processing algorithm.
机译:这项工作讨论了在可见光谱范围内的编码孔径。通过从透明基板蒸发钛膜来实现静音编码孔。显示了制造高对比度孔径的最佳激光参数。本文还提出了一种基于周期性相关的算法,该算法已经开发用于图像重建。用秩37的孔径进行实验,具有130μm的最小元素。在实验期间获得的图像证明了所提出的孔径实现方法和显影图像处理算法的有效性。

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