基于Wigner分布的胸部CT图像分析

Y. Zhu, Ying Gao, M. Amiel, R. Goutte
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引用次数: 1

摘要

本文讨论了利用光谱方法进行放射图像分析的一般问题。我们提出了一种新的局部空间频率方法来分析胸部CT图像。该方法基于二维维格纳分布的使用,允许在空间中精确跟踪图像的频率特征。说明了该方法在几何结构和光密度差检测方面的性能,并展示了其潜在的巨大应用价值。
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Analysis of chest CT images using Wigner distribution
This paper addresses the generic issue of radiological image analysis using spectral methods. We present a new local spatial-frequency approach for analysis of chest CT images. The method is based on the use of two dimensional Wigner distribution allowing a precise tracking in space of frequential characteristics of an image. Performance of the method in both geometric structure and optic density difference detection is illustrated, and its potentially great application interest is demonstrated.
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