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Improving image quality of diffuse optical tomography with a projection-error-based adaptive regularization method
Niu, Haijing1; Guo, Ping1,2; Ji, Lijun3; Zhao, Qing3; Jiang, Tianzi3
2008-08-18
发表期刊OPTICS EXPRESS
卷号16期号:17页码:12423-12434
文章类型Article
摘要Diffuse optical tomography ( DOT) reconstructs the images of internal optical parameter distribution using noninvasive boundary measurements. The image reconstruction procedure is known to be an ill-posed problem. In order to solve such a problem, a regularization technique is needed to constrain the solution space. In this study, a projection-error-based adaptive regularization (PAR) technique is proposed to improve the reconstructed image quality. Simulations are performed using a diffusion approximation model and the simulated results demonstrate that the PAR technique can improve reconstruction precision of object more effectively. The method is demonstrated to have low sensitivity to noise at various noise levels. Moreover, with the PAR method, the detectability of an object located both at the center and near the peripheral regions has been increased largely. (c) 2008 Optical Society of America.
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]NEAR-INFRARED TOMOGRAPHY ; PHOTON DENSITY WAVES ; STATISTICAL-ANALYSIS ; SPATIAL-RESOLUTION ; BRAIN ACTIVATION ; RECONSTRUCTION ; BREAST ; SCATTERING ; INHOMOGENEITIES ; OPTIMIZATION
收录类别SCI
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000259268700001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9574
专题09年以前成果
作者单位1.Beijing Normal Univ, Image Proc & Pattern Recognit Lab, Beijing 100875, Peoples R China
2.Beijing Inst Technol, Sch Comp Sci & Technol, Beijing 100081, Peoples R China
3.Inst Automat, Natl Lab Pattern Recognit, Beijing 100081, Peoples R China
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GB/T 7714
Niu, Haijing,Guo, Ping,Ji, Lijun,et al. Improving image quality of diffuse optical tomography with a projection-error-based adaptive regularization method[J]. OPTICS EXPRESS,2008,16(17):12423-12434.
APA Niu, Haijing,Guo, Ping,Ji, Lijun,Zhao, Qing,&Jiang, Tianzi.(2008).Improving image quality of diffuse optical tomography with a projection-error-based adaptive regularization method.OPTICS EXPRESS,16(17),12423-12434.
MLA Niu, Haijing,et al."Improving image quality of diffuse optical tomography with a projection-error-based adaptive regularization method".OPTICS EXPRESS 16.17(2008):12423-12434.
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