As an object is passing through a static scattering medium, a speckle is formed. We can reconstruct the image from the speckle, based on the principle of optical memory effect. However, when the object passes through a dynamic scattering medium, such as fog, the reconstructed image quality will be degraded even blurred. In this paper, we want to investigate the reconstructed image as the object passes through the dynamic scattering medium, which is simulated by a rotating ground glass. We focus on studying the influence of both the acquisition time of the CCD and the angular velocity of the rotating ground glass on the fidelity of the reconstructed image. The experimental results show that appropriately reducing the acquisition time of the CCD is beneficial to reconstruct image from the single speckle in the dynamic scattering imaging. The proposed results may have applications in imaging through fog and biological tissues.

当物体穿过静态散射介质时，会形成散斑。基于光记忆效应的原理，我们可以从散斑重建图像。然而，当物体通过动态散射介质时，如雾，重建的图像质量会下降甚至模糊。在本文中，我们要研究对象穿过动态散射介质时的重建图像，该介质由旋转毛玻璃模拟。我们专注于研究 CCD 的采集时间和旋转毛玻璃的角速度对重建图像保真度的影响。实验结果表明，在动态散射成像中，适当减少CCD的采集时间有利于从单散斑重建图像。