A user-friendly nano-CT image alignment and 3D reconstruction platform based on LabVIEW

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WANG Sheng-Hao, ZHANG Kai, WANG Zhi-Li, GAO Kun, WU Zhao, ZHU Pei-Ping and WU Zi-Yu. A user-friendly nano-CT image alignment and 3D reconstruction platform based on LabVIEW[J]. Chinese Physics C, 2015, 39(1): 018001. doi: 10.1088/1674-1137/39/1/018001
WANG Sheng-Hao, ZHANG Kai, WANG Zhi-Li, GAO Kun, WU Zhao, ZHU Pei-Ping and WU Zi-Yu. A user-friendly nano-CT image alignment and 3D reconstruction platform based on LabVIEW[J]. Chinese Physics C, 2015, 39(1): 018001.  doi: 10.1088/1674-1137/39/1/018001 shu
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Received: 2014-02-17
Revised: 2014-05-27
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A user-friendly nano-CT image alignment and 3D reconstruction platform based on LabVIEW

    Corresponding author: ZHANG Kai,
    Corresponding author: WU Zi-Yu,

Abstract: X-ray computed tomography at the nanometer scale (nano-CT) offers a wide range of applications in scientific and industrial areas. Here we describe a reliable, user-friendly, and fast software package based on LabVIEW that may allow us to perform all procedures after the acquisition of raw projection images in order to obtain the inner structure of the investigated sample. A suitable image alignment process to address misalignment problems among image series due to mechanical manufacturing errors, thermal expansion, and other external factors has been considered, together with a novel fast parallel beam 3D reconstruction procedure that was developed ad hoc to perform the tomographic reconstruction. We have obtained remarkably improved reconstruction results at the Beijing Synchrotron Radiation Facility after the image calibration, the fundamental role of this image alignment procedure was confirmed, which minimizes the unwanted blurs and additional streaking artifacts that are always present in reconstructed slices. Moreover, this nano-CT image alignment and its associated 3D reconstruction procedure are fully based on LabVIEW routines, significantly reducing the data post-processing cycle, thus making the activity of the users faster and easier during experimental runs.

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