论文标题
即时幽灵成像：改善幽灵成像的鲁棒性，视光背景噪音
Instant ghost imaging: improving robustness for ghost imaging subject to optical background noise
论文作者
论文摘要
幽灵成像（GI）是一种成像技术，它使用两个光束之间的二阶相关性来获得对象的图像。但是，标准GI受光背景噪声的影响，从而减少了其实际使用。我们调查了针对光学背景噪声的即时幽灵成像（IGI）算法的鲁棒性，并将其与常规的GI算法进行了比较。我们的结果表明，IGI对空间变化的光学背景噪声具有极大的抵抗力，可以在较大范围内发生变化。当噪声与信号相关时，IgI仍将在防止常规GI算法产生图像的条件下表现良好，因为Igi使用信号差进行成像。信号差异在本质上对公共噪声模式具有抗性，因此IGI算法在噪声方面非常强大。这项研究对于GI的实际应用至关重要。
Ghost imaging (GI) is an imaging technique that uses the second-order correlation between two light beams to obtain the image of an object. However, standard GI is affected by optical background noise, which reduces its practical use. We investigated the robustness of an instant ghost imaging (IGI) algorithm against optical background noise and compare it with the conventional GI algorithm. Our results show that IGI is extremely resistant to spatiotemporally varying optical background noise that can change over a large range. When the noise is large in relation to the signal, IGI will still perform well in conditions that prevent the conventional GI algorithm from generating an image because IGI uses signal differences for imaging. Signal differences are intrinsically resistant to common noise modes, so the IGI algorithm is strongly robust against noise. This research is of great significance for the practical application of GI.
