数字全息显微相像中的散粒噪声扰动

International Conference on Holography, Optical Recording, and Processing of Information Pub Date : 2006-05-20 DOI:10.1117/12.677157

F. Charriére, F. Montfort, E. Cuche, C. Depeursinge

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引用次数: 1

摘要

在数码全息显微术中，镜头噪声是数码相机记录过程中不可缺少的一部分。本文在模拟的基础上，研究了在不同光束强度配置下，弹丸噪声对重建相位图像质量的影响。Wagner和Brown提出的基于决策统计理论的图像质量估计模型(R.F. Wagner和D.G. Brown，“医学成像系统的统一信噪比分析”，物理学报。医学。生物学。30,489-518(1985))。仿真将描述在参考光束和目标光束之间总强度的不同分布下重构相位图像信噪比的变化。

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Shot noise perturbations in digital holographic microscopy phase images

In digital holographic microscopy, shot noise is an intrinsic part of the recording process with a digital camera. We present a study based on simulations describing how shot noise influences the quality of the reconstructed phase images under different beams intensities configurations. A model for image quality estimation based on the decision statistical theory proposed by Wagner and Brown (R.F. Wagner and D.G. Brown, "Unified SNR Analysis of Medical Imaging-Systems," Phys. Med. Biol. 30, 489-518 (1985)) will be presented. A simulation will depict the variations of the reconstructed phase images SNR for different distributions of the total intensity between the reference and the object beam.

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International Conference on Holography, Optical Recording, and Processing of Information

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