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首页> 外文期刊>Journal of the Optical Society of America, A. Optics, image science, and vision >Statistically principled use of in-line measurements in intensity diffraction tomography
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Statistically principled use of in-line measurements in intensity diffraction tomography

机译:强度衍射层析成像中在线测量的统计学原理使用

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Intensity diffraction tomography (I-DT) reconstruction theory provides a mathematical mapping between two in-line intensity measurements acquired at a given tomographic view angle and Fourier components of the object function. Poles in this mapping will cause certain Fourier components to contain greatly amplified noise levels when applied to noisy measurement data, which can result in noisy and distorted images in practice. We investigate the statistically principled use of multiple in-line intensity measurements in I-DT. Reconstruction methods are developed that exploit the statistical structure of the in-line measurements to minimize the variance of the estimated Fourier components of the object function.
机译:强度衍射层析成像(I-DT)重建理论提供了在给定层析成像视角下获得的两个在线强度测量值与目标函数的傅立叶分量之间的数学映射。当应用于噪声测量数据时,此映射中的极点将导致某些傅立叶分量包含极大放大的噪声级别,这在实践中可能导致噪声和失真的图像。我们研究I-DT中多个在线强度测量的统计原理使用。开发了利用在线测量的统计结构来最小化目标函数的傅立叶估计分量方差的重建方法。

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