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Analysis of diffracted image patterns from volume holographic imaging systems and applications to image processing

机译:体全息成像系统衍射图像图案分析及其在图像处理中的应用

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摘要

Diffracted image patterns from volume holograms that are used in volume holographic imaging systems (VHISs) are investigated. It is shown that, in VHISs, prior information about the shape and spectral properties of the diffracted patterns is important not only to determine the curvature and field of view of the image, but also for image registration and noise removal. A new methodology to study numerically and analytically the dependence of VHIS diffraction patterns with the hologram construction parameters and the readout wavelength is described. Modeling and experimental results demonstrate that, in most cases, VHIS diffracted shapes can be accurately represented by hyperbolas.
机译:研究了在体积全息成像系统(VHIS)中使用的体积全息图的衍射图像图案。结果表明,在VHIS中,有关衍射图样的形状和光谱特性的先验信息不仅对确定图像的曲率和视野很重要,而且对于图像配准和噪声消除也很重要。描述了一种新的方法,以数值和分析方式研究VHIS衍射图与全息图构造参数和读出波长之间的相关性。建模和实验结果表明,在大多数情况下,双曲线可以准确表示VHIS衍射形状。

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