Volume 34 Issue 2
Mar.  2014
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Article Navigation >  Chinese Journal of Space Science  > 2014  >  34(2): 242-248
Yu Qiang, Tong Fangyuan, Zhou Binghong. Simulation of 3D X-ray imaging for space material science experiments[J]. Chinese Journal of Space Science, 2014, 34(2): 242-248. doi: 10.11728/cjss2014.02.242
Citation: Yu Qiang, Tong Fangyuan, Zhou Binghong. Simulation of 3D X-ray imaging for space material science experiments[J]. Chinese Journal of Space Science, 2014, 34(2): 242-248. doi: 10.11728/cjss2014.02.242
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Simulation of 3D X-ray imaging for space material science experiments

doi: 10.11728/cjss2014.02.242 cstr: 32142.14.cjss2014.02.242
  • 1.

    Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049

  • Received Date: 2013-03-15
  • Rev Recd Date: 2013-12-26
  • Publish Date: 2014-03-15
    Abstract
  • Developing X-ray observation facility has been planned in the Chinese space station. Simulating the process of three-dimensional X-ray imaging can offer valuable reference for the facility development. The simulation process can be divided into three steps. Firstly, to use the cone beam X-ray to scan an object, and rotate the object to obtain projection images at enough number of views; Secondly, to reconstruct the scanned object according to the projection images and the geometrical information; Finally, to visualize the reconstruction object. By employing a 3D Shepp-Logan model consisting of 10 interlapped ellipsoids with different linear attenuation coefficients as the object, the processes of projection, back projection and 3D visualization are realized by simulation, and through image reconstruction, the stereo structure of the scanned object can be well displayed.

     

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