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1. Journal Articles7

  Department of Robotics and Mechatronics Engineering Next-generation Medical Imaging Lab

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Article
Material decomposition-based improved normalized metal artifact reduction method (MD-NMAR) in photon counting CT
  • Nam, Jeonghyeon ; 
  • Kim, Joonbeom ; 
  • Ye, Dong Hye ; 
  • Lee, Okkyun
  • 2025-09
  • Physics in Medicine and Biology, v.70, no.17
  • Institute of Physics Publishing
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Article
Noise-matched total-likelihood-based bilateral filter: Experimental feasibility in a benchtop photon-counting CBCT system
  • 2025-02
  • Lee, Okkyun. (2025-02). Noise-matched total-likelihood-based bilateral filter: Experimental feasibility in a benchtop photon-counting CBCT system. Physica Medica, 130. doi: 10.1016/j.ejmp.2025.104901
  • Elsevier
  • View : 206
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Article
UNet-based multi-organ segmentation in photon counting CT using virtual monoenergetic images
  • 2025-01
  • Baek, Sumin. (2025-01). UNet-based multi-organ segmentation in photon counting CT using virtual monoenergetic images. Medical Physics, 52(1), 481–488. doi: 10.1002/mp.17440
  • Wiley
  • View : 228
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Article
Likelihood-based bilateral filters for pre-estimated basis sinograms using photon-counting CT
  • 2023-05
  • Lee, Okkyun. (2023-05). Likelihood-based bilateral filters for pre-estimated basis sinograms using photon-counting CT. Medical Physics, 50(5), 2733–2758. doi: 10.1002/mp.16251
  • American Association of Physicists in Medicine
  • View : 199
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Article
X-ray Transmittance Modeling-based Material Decomposition using a Photon-counting Detector CT System
  • Lee, Okkyun ; 
  • Rajendran, Kishore ; 
  • Polster, Christoph ; 
  • Stierstorfer, Karl ; 
  • Kappler, Steffen ; 
  • Leng, Shuai ; 
  • McCollough, Cynthia H. ; 
  • Taguchi, Katsuyuki
  • 2021-07
  • Lee, Okkyun. (2021-07). X-ray Transmittance Modeling-based Material Decomposition using a Photon-counting Detector CT System. IEEE Transactions on Radiation and Plasma Medical Sciences, 5(4), 508–516. doi: 10.1109/trpms.2020.3028363
  • Institute of Electrical and Electronics Engineers Inc.
  • View : 378
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Article
A data-driven maximum likelihood classification for nanoparticle agent identification in photon-counting CT
  • 2021-07
  • Baek, Sumin. (2021-07). A data-driven maximum likelihood classification for nanoparticle agent identification in photon-counting CT. doi: 10.1088/1361-6560/ac0cc1
  • Institute of Physics Publishing
  • View : 502
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Article
Technical Note: The nearest neighborhood-based approach for estimating basis line-integrals using photon-counting detector
  • 2021-10
  • Nam, Jeonghyeon. (2021-10). Technical Note: The nearest neighborhood-based approach for estimating basis line-integrals using photon-counting detector. Medical Physics, 48(10), 6531–6535. doi: 10.1002/mp.14920
  • American Association of Physicists in Medicine
  • View : 427
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