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Technical Article
A multi-parameter water-model based quality control method for magnetic resonance imaging
HAO Fei  HE Qingyuan  CUI Zhe  LIU Zilong  LU Jiabin  ZHANG Heng  XU Meng  XIE Lide 

Cite this article as: HAO F, HE Q Y, CUI Z, et al. A multi-parameter water-model based quality control method for magnetic resonance imaging[J]. Chin J Magn Reson Imaging, 2023, 14(2): 138-144. DOI:10.12015/issn.1674-8034.2023.02.023.

[Abstract] Objective To investigate the use of multiparametric water models for quality control of the quantitative detection capability of MRI.Materials and Methods We designed a multiparametric water model and characterized the proton density (PD), longitudinal and transverse relaxation time (T1 & T2), and apparent diffusion coefficient (ADC) by different structural layers and characteristic solutions built into the layers in the multiparametric water model. After setting the value, the grayscale value of the target area of MRI image was extracted, multi-domain information was obtained, and the quality control calibration algorithm was established by data fitting.Results Firstly, effective quality control (QC) was conducted for the stability of the quantitative values of the MRI, and then the grey-scale convolution + BP (back propagation) neural network algorithm was used to analyze the QC data, which could improve its accuracy.Conclusions This study has developed a multi-parameter water model for the quality control of functional imaging quantitative techniques, established and standardized a method for evaluating the performance of the equipment traceable to the international unit system, and constructed the basis for the quality control of magnetic resonance equipment in China.
[Keywords] multiparametric water modeling;quality control;magnetic resonance imaging;functional imaging;national standards

HAO Fei1, 2   HE Qingyuan2, 3, 4, 5*   CUI Zhe3   LIU Zilong4, 5, 6   LU Jiabin3, 4   ZHANG Heng1, 2, 4   XU Meng4   XIE Lide1, 4*  

1 Department of Biomedical Engineering, Chengde Medical University, Chengde 067000, China

2 Institute of Medical Technology, Peking University Health Science Center, Beijing 100191, China

3 Department of Radiology, Peking University Third Hospital, Beijing 100191, China

4 Peking University Third Hospital, Beijing Key Laboratory of Magnetic Resonance Imaging Devices and Technology, Beijing 100191, China

5 National Medical Products Administration Key Laboratory for Evaluation of Medical Imaging Equipment and Technique, Beijing 100191, China

6 National Institute of Metrology, Beijing 100029, China

*Correspondence to: Xie LD, E-mail: He QY, E-mail:

Conflicts of interest   None.

ACKNOWLEDGMENTS National Science and Technology Major Project (No. 2016YFC0103602).
Received  2022-10-22
Accepted  2023-02-01
DOI: 10.12015/issn.1674-8034.2023.02.023
Cite this article as: HAO F, HE Q Y, CUI Z, et al. A multi-parameter water-model based quality control method for magnetic resonance imaging[J]. Chin J Magn Reson Imaging, 2023, 14(2): 138-144. DOI:10.12015/issn.1674-8034.2023.02.023.

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