时域乳腺扩散光学层析成像中的一种有效的雅克比矩阵标定方法

Ma, Yu; Gao, Feng; Ruan, Pingqiao; Fang, Yang; Zhao, Huapeng

doi:10.3788/col20100802.0206

中国光学快报

2010

DOI: 10.3788/col20100802.0206

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时域乳腺扩散光学层析成像中的一种有效的雅克比矩阵标定方法

Yu Ma¹,

Feng Gao²,

Pingqiao Ruan³

et al.

Abstract: Fang Yang () 2 , and Huijuan Zhao ( ) 2

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Combined multi-scale mesh and full-matrix inversion for enhancing time-domain breast diffuse optical tomography

Zhang

Jia

et al. 2022

Appl. Opt.

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Time-domain diffuse optical tomography can efficiently reconstruct both absorption and reduced scattering coefficients but is heavily limited by the ill-posedness in its inverse problem and low spatial resolution. To deal with these adversities, the truncated singular value decomposition (TSVD)-based whole-weighting-matrix inversion scheme can be a particularly suitable implementation. Unfortunately, TSVD is subject to a storage challenge for three-dimensional imaging of a bulk region, such as breast. In this paper, a multi-scale mesh strategy based on computed tomography (CT) anatomical geometry is adopted to solve the storage challenge, where a fine mesh is used in forward calculation to ensure accuracy, and a coarse mesh in the inversion process to enable TSVD-based inversion of the whole-weighting matrix. We validate the proposed strategy using simulated data for a single lesion model from clinical positron emission tomography images of a breast cancer patient, and further, for a complex model that is constructed by setting dual lesions at different separations in the CT breast geometry.

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Combined multi-scale mesh and full-matrix inversion for enhancing time-domain breast diffuse optical tomography

Zhang

Jia

et al. 2022

Appl. Opt.

View full text Add to dashboard Cite

show abstract

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时域乳腺扩散光学层析成像中的一种有效的雅克比矩阵标定方法

Abstract: Fang Yang () 2 , and Huijuan Zhao ( ) 2

Cited by 1 publication

References 6 publications

Combined multi-scale mesh and full-matrix inversion for enhancing time-domain breast diffuse optical tomography

Combined multi-scale mesh and full-matrix inversion for enhancing time-domain breast diffuse optical tomography

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