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arXiv 2607.18947math-phmath.MPphysics.class-ph

通过粗糙界面成像:浴帘效应

Imaging through rough interfaces: The shower curtain effect

  • Aix Marseille Univ, CNRS, I2M(艾克斯-马赛大学)
  • UC Irvine, Department of Mathematics(加州大学欧文分校)

机构由 AI 辅助整理,请以论文原文为准。

Cristophe Gomez, Knut Sølna

AI总结:

研究通过粗糙界面成像的浴帘效应,将散射层建模为粗糙界面,推导图像分辨率和信噪比的明确特征,确定其与粗糙界面统计特性及相对位置的关系。

AI中文摘要:

通过散射层(如浴帘)观察到的图像质量,很大程度上取决于散射层在物体与观察者之间的相对位置,这一现象即浴帘效应。当散射层靠近观察者时,图像严重退化;靠近物体时,物体仍能以相对高分辨率被观察到。以往对浴帘效应的分析主要将散射层建模为随机介质的一部分。本文提出新分析,将散射层建模为粗糙界面,此描述在许多物理配置中自然出现。在此框架下,我们推导了图像分辨率和信噪比的明确特征,并确定这些量如何依赖于粗糙界面的统计特性及其在物体与观察者之间的相对位置。

英文摘要:

The quality of an image observed through a scattering layer, such as a shower curtain, depends strongly on the relative position of the scattering layer between the object and the observer. This well-known phenomenon is commonly referred to as the shower curtain effect. When the scattering layer is placed close to the observer, the image is strongly degraded, whereas if it is located close to the object, the object may still be observed with relatively high resolution. Previous analyses of the shower curtain effect have primarily modeled the scattering layer as a section of a random medium. In this work, we present a new analysis in which the scattering layer is modeled instead as a rough interface, a description that arises naturally in many physical configurations. Within this framework, we derive explicit characterizations of both the image resolution and the signal-to-noise ratio, and determine how these quantities depend on the statistical properties of the rough interface and on its relative location between the object and the observer.

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