Deep learning-based noise reduction for coronary CT angiography: using four-dimensional noise-reduction images as the ground truth.

Journal: Acta radiologica (Stockholm, Sweden : 1987)
Published Date: Dec 7, 2022

Abstract

BACKGROUND: To assess low-contrast areas such as plaque and coronary artery stenosis, coronary computed tomography angiography (CCTA) needs to provide images with lower noise without increasing radiation doses.

Authors

  • Takuma Kobayashi
    Department of Orthopaedic Surgery, School of Medicine, Sapporo Medical University, Sapporo, Hokkaido, Japan.
  • Tatsuya Nishii
    From the Department of Radiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-shinmachi, Suita 564-8565, Japan (T.N., T.K., H.T., A.K., Y.O., Y.M., H.H., T.F.); Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Suita, Japan (T.K., K.U., J.O., T.I.); Medical Informatics Section, QST Hospital (K.U., J.O.), and Applied MRI Research, Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science (K.U., J.O.), National Institutes for Quantum Science and Technology, Chiba, Japan.
  • Kensuke Umehara
    Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, 565-0871, Japan. kensuke.umehara@ieee.org.
  • Junko Ota
    Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, 1-7 Yamadaoka, Suita, 565-0871, Japan.
  • Yasutoshi Ohta
    From the Department of Radiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-shinmachi, Suita 564-8565, Japan (T.N., T.K., H.T., A.K., Y.O., Y.M., H.H., T.F.); Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Suita, Japan (T.K., K.U., J.O., T.I.); Medical Informatics Section, QST Hospital (K.U., J.O.), and Applied MRI Research, Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science (K.U., J.O.), National Institutes for Quantum Science and Technology, Chiba, Japan.
  • Tetsuya Fukuda
    From the Department of Radiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-shinmachi, Suita 564-8565, Japan (T.N., T.K., H.T., A.K., Y.O., Y.M., H.H., T.F.); Department of Medical Physics and Engineering, Graduate School of Medicine, Osaka University, Suita, Japan (T.K., K.U., J.O., T.I.); Medical Informatics Section, QST Hospital (K.U., J.O.), and Applied MRI Research, Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science (K.U., J.O.), National Institutes for Quantum Science and Technology, Chiba, Japan.
  • Takayuki Ishida
    Division of Health Sciences, Graduate School of Medicine, Osaka University, 1-7, Yamadaoka, Suita, 565-0871, Japan.

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