共 33 条
L1/2 regularization based numerical method for effective reconstruction of bioluminescence tomography
被引:25
作者:

Chen, Xueli
论文数: 0 引用数: 0
h-index: 0
机构:
Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
Minist Educ, Engn Res Ctr Mol & Neuro Imaging, Beijing, Peoples R China Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China

Yang, Defu
论文数: 0 引用数: 0
h-index: 0
机构:
Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
Minist Educ, Engn Res Ctr Mol & Neuro Imaging, Beijing, Peoples R China Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China

Zhang, Qitan
论文数: 0 引用数: 0
h-index: 0
机构:
Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
Minist Educ, Engn Res Ctr Mol & Neuro Imaging, Beijing, Peoples R China Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China

Liang, Jimin
论文数: 0 引用数: 0
h-index: 0
机构:
Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
Minist Educ, Engn Res Ctr Mol & Neuro Imaging, Beijing, Peoples R China Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
机构:
[1] Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China
[2] Minist Educ, Engn Res Ctr Mol & Neuro Imaging, Beijing, Peoples R China
基金:
中国国家自然科学基金;
关键词:
IMAGE-RECONSTRUCTION;
MOUSE;
ALGORITHMS;
FLUORESCENCE;
CANCER;
D O I:
10.1063/1.4876675
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
Even though bioluminescence tomography (BLT) exhibits significant potential and wide applications in macroscopic imaging of small animals in vivo, the inverse reconstruction is still a tough problem that has plagued researchers in a related area. The ill-posedness of inverse reconstruction arises from insufficient measurements and modeling errors, so that the inverse reconstruction cannot be solved directly. In this study, an l(1/2) regularization based numerical method was developed for effective reconstruction of BLT. In the method, the inverse reconstruction of BLT was constrained into an l(1/2) regularization problem, and then the weighted interior-point algorithm (WIPA) was applied to solve the problem through transforming it into obtaining the solution of a series of l(1) regularizers. The feasibility and effectiveness of the proposed method were demonstrated with numerical simulations on a digital mouse. Stability verification experiments further illustrated the robustness of the proposed method for different levels of Gaussian noise. (C)14 AIP Publishing LLC.
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