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作者:

Feng, Jinchao (Feng, Jinchao.) (学者:冯金超) | Jia, Xiaowei (Jia, Xiaowei.) | Jia, Kebin (Jia, Kebin.) (学者:贾克斌) | Qin, Chenghu (Qin, Chenghu.) | Tian, Jie (Tian, Jie.)

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摘要:

In this paper, we explore the application of total variation regularization method for bioluminescence tomography (BLT) with an adaptive regularization parameter choice approach. Since BLT is a seriously ill-posed problem, therefore, l2 regularized methods are frequently adopted to recover the bi-oluminescent sources. However, l2 regularized methods typically lead to smooth reconstructions. In this paper, we investigated the use of total variation (TV) regularization to improve the quality of BLT reconstruction. Furthermore, the regularization parameter in TV method was chosen adaptively to make the proposed algorithm more stable. Results on simulation data provide evidence that the reconstructed source can be localized accurately compared with l2 method. Meanwhile, the effectiveness of utility of the parameter choice were illustrated. Finally, different levels of noisy data were added to validate the performance of the proposed algorithm. © 2011 IEEE.

关键词:

Bioluminescence Image denoising Parameterization Phosphorescence Tomography

作者机构:

  • [ 1 ] [Feng, Jinchao]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Jia, Xiaowei]School of Computer Science and Technology, University of Science and Technology of China, Hefei, Anhui, 230027, China
  • [ 3 ] [Jia, Kebin]College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Qin, Chenghu]Intelligent Medical Research Center, Institute of Automation, Chinese Academy of Sciences, P. O. Box 2728, Beijing 100190, China
  • [ 5 ] [Tian, Jie]Intelligent Medical Research Center, Institute of Automation, Chinese Academy of Sciences, P. O. Box 2728, Beijing 100190, China

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ISSN: 1557-170X

年份: 2011

页码: 3946-3949

语种: 英文

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