Limited-view photoacoustic imaging based on an iterative adaptive weighted filtered backprojection approach

被引：28

作者：

Liu, Xueyan ^{[1
]}

Peng, Dong ^{[3
]}

Ma, Xibo ^{[2
]}

Guo, Wei ^{[4
]}

Liu, Zhenyu

Han, Dong ^{[2
]}

Yang, Xin ^{[2
]}

Tian, Jie ^{[1
,2
]}

机构：

[1] Northeastern Univ, Sino Dutch Biomed & Informat Engn Sch, Shenyang 110004, Peoples R China

[2] Chinese Acad Sci, Inst Automat, Key Lab Mol Imaging & Funct Imaging, Beijing 100190, Peoples R China

[3] Xidian Univ, Life Sci Res Ctr, Sch Life Sci & Technol, Xian 710071, Peoples R China

[4] Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China

来源：

APPLIED OPTICS | 2013年 / 52卷 / 15期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

TOMOGRAPHY IN-VIVO; THERMOACOUSTIC TOMOGRAPHY; RECONSTRUCTION; RESOLUTION;

D O I：

10.1364/AO.52.003477

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An iterative adaptive weighted filtered backprojection (FBP) approach was applied to our photoacoustic imaging (PAI) of the optical absorption in biological tissues from limited-view data. By using an image-based adaptive weighted PAI reconstruction, we can modify the defect of the artifacts degrading the quality of the image. Results of numerical simulations demonstrated that the proposed algorithm was superior to FBP in terms of both accuracy and robustness to noise. Reconstructed images of biological tissues agreed well with the structures of the samples. The resolution of the PAI system with the proposed method was experimentally demonstrated to be better than 0.14 mm. By using the proposed method, the imaging quality of the PAI system can be improved. (C) 2013 Optical Society of America

引用

页码：3477 / 3483

页数：7

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