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73 / 2021-10-21 14:42:03
Investigation of basis material decomposition imaging noise from different spectral CT parameters
spectral CT,helical pitch,slice thickness,ASiR ratio
Digital X-ray Imaging System（DR, CT, CBCT）
Draft Accepted
Li Hang / Dalian Medical University
We present a study of the influence of spectral CT parameters on image noise for different base-material decompositions observed by the variation of average standard deviation. The performances of the helical pitch, slice thickness, material density, ASiR algorithm, tube current and monochromatic energy have been discussed in general basis-material decomposition data acquired by a 64-row spectral computerized tomography. The image qualities for different base-material decompositions are presented. The results show that the monochromatic energy, ASiR algorithm and helical pitch influence the image noise at a certain low level, whereas the slice thickness and material density dominate the variation of the average SD value and the image noise. We demonstrate the image quality in current study is consistent with the standard water phantom research. The study indicates the importance of slice thickness as CT imaging parameter in the varied scan protocols for reducing image noise.

 
Important Date

  • Conference Date

    Nov 13

    2021

    to

    Nov 14

    2021

  • Sep 30 2021

    Contribution Submission Deadline

  • Nov 14 2021

    Registration deadline

Sponsored By
Medical Physics Branch of Chinese Society of Biomedical Engineering
IEEE Beijing Section
Life Electronics Society of Chinese Institute of Electronics
Organized By
Anhui Biomedical Engineering Society.
University of Science and Technology of China
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