机构：[1]Department of Engineering Physics, Tsinghua University, Beijing 100084, China[2]Key Laboratory of Particle and Radiation Imaging, Tsinghua University, Ministry of Education, Beijing 100084, China[3]Medical Imaging Center, Beijing TongRen Hospital, Beijing 100084, China首都医科大学附属北京同仁医院首都医科大学附属同仁医院[4]Swiss Light Source, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland[5]Institute for Biomedical Engineering, University and ETH Zurich, 8092 Zurich, Switzerland
The present work proposes a low dose information retrieval algorithm for X-ray grating-based multiple-information imaging (GB-MII) method, which can retrieve the attenuation, refraction and scattering information of samples by only three images. This algorithm aims at reducing the exposure time and the doses delivered to the sample. The multiple-information retrieval problem in GB-MII is solved by transforming a nonlinear equations set to a linear equations and adopting the nature of the trigonometric functions. The proposed algorithm is validated by experiments both on conventional X-ray source and synchrotron X-ray source, and compared with the traditional multiple-image-based retrieval algorithm. The experimental results show that our algorithm is comparable with the traditional retrieval algorithm and especially suitable for high Signal-to-Noise system. (C) 2011 Elsevier B.V. All rights reserved.
基金：
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [10905031, 30770618, 10875066]; Specialized Research Fund for the Doctoral Program of Higher EducationSpecialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20090002120016]
第一作者机构：[1]Department of Engineering Physics, Tsinghua University, Beijing 100084, China[2]Key Laboratory of Particle and Radiation Imaging, Tsinghua University, Ministry of Education, Beijing 100084, China
通讯作者：
通讯机构：[1]Department of Engineering Physics, Tsinghua University, Beijing 100084, China[2]Key Laboratory of Particle and Radiation Imaging, Tsinghua University, Ministry of Education, Beijing 100084, China
推荐引用方式(GB/T 7714)：
Wang Zhentian,Huang Zhifeng,Chen Zhigiang,et al.Low-dose multiple-information retrieval algorithm for X-ray grating-based imaging[J].NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT.2011,635(1):103-107.doi:10.1016/j.nima.2011.01.079.
APA：
Wang, Zhentian,Huang, Zhifeng,Chen, Zhigiang,Zhang, Li,Jiang, Xiaolei...&Stampanon, Marco.(2011).Low-dose multiple-information retrieval algorithm for X-ray grating-based imaging.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,635,(1)
MLA：
Wang, Zhentian,et al."Low-dose multiple-information retrieval algorithm for X-ray grating-based imaging".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 635..1(2011):103-107
