S. Lee, Y. Lim, S. Park, O. Lee, B. K. Cha, and H. Cho, "Single-Exposure Material Decomposition in Chest Tomosynthesis with a CdTe Photon-Counting Detector," IEEE Trans. on Nuclear Science, in press, 2025. (DOI: 10.1109/TNS.2025.3643944)
J. Nam, J. Kim, D. H. Ye, and O. Lee, "Material decomposition-based improved normalized metal artifact reduction method (MD-NMAR) in photon counting CT," Physics in Medicine & Biology, vol.70, pp.175009:1-16, 2025.
O. Lee and J. Kim, "Noise-matched total-likelihood-based bilateral filter: Experimental feasibility in a benchtop photon-counting CBCT system," Physica Medica, vol.130, pp.104901:1-8, 2025.
S. Baek, D. H. Ye, and O. Lee, "UNet‐based multi‐organ segmentation in photon counting CT using virtual monoenergetic images ," Medical Physics, vol.52(1), pp.481-488, 2025.
O. Lee, "Likelihood‐based bilateral filters for pre‐estimated basis sinograms using photon‐counting CT," Medical Physics, vol.50(5), pp.2733-2758, 2023.
J. Nam and O. Lee, "The Nearest Neighborhood-based Approach for Estimating Basis Line-integrals using Photon-counting Detector," Medical Physics, vol.48(10), pp.6531-6535, 2021.
S. Baek and O. Lee, "A data-driven Maximum Likelihood Classification for Nanoparticle Agent Identification in Photon-counting CT," Physics in Medicine & Biology, vol.66, no.14, pp.145004:1-19, 2021.
O. Lee, K. Rajendran, C. Polster, K. Stierstorfer, S. Kappler, S. Leng, C. H. McCollough, and K. Taguchi, "X-ray Transmittance Modeling-based Material Decomposition using a Photon-counting Detector CT system," IEEE Trans. on Radiation and Plasma Medical Sciences, vol.5, no.4, pp.508-516, 2021.
K. Taguchi, T. Itoh, M. K. Fuld, E. Fournie, O. Lee, and K. Noguchi, ""X-Map 2.0" for Edema Signal Enhancement for Acute Ischemic Stroke Using Non–Contrast-Enhanced Dual-Energy Computed Tomography," Investigative Radiology, vol.53, no.7, pp.432-439, 2018.
K. Taguchi, K. Stierstorfer, C. Polster, O. Lee, and S. Kappler, "Spatio‐energetic cross‐talk in photon counting detectors: NxN binning and sub-pixel masking," Medical Physics, vol.45, no.11, pp.4822-4843, 2018.
K. Taguchi, K. Stierstorfer, C. Polster, O. Lee, and S. Kappler, "Spatio‐energetic cross‐talk in photon counting detectors: Numerical detector model (PcTK) and workflow for CT image quality assessment," Medical Physics, vol.45, no.5, pp.1985-1998, 2018.
O. Lee, S. Kappler, C. Polster, and K. Taguchi, "Estimation of basis line-integrals in a spectral distortion-modeled photon counting detector using low-rank approximation-based x-ray transmittance modeling: K-edge imaging application," IEEE Trans. on Medical Imaging, vol.36, no.11, pp.2389-2403, 2017.
O. Lee, S. Kappler, C. Polster, and K. Taguchi, "Estimation of basis line-integrals in a spectral distortion-modeled photon counting detector using low-order polynomial approximation of x-ray transmittance," IEEE Trans. on Medical Imaging, vol.36, no.2, pp.560-573, 2017.
K. Taguchi, C. Polster, O. Lee, K. Stierstorfer, and S. Kappler, "Spatio-energetic cross talk in photon counting detectors: Detector model and correlated Poisson data generator," Medical Physics, vol.43, no.12, pp.6386-6404, 2016.
O. Lee, H. Kang, J. C. Ye, and M. Lim, "A non-iterative method for the electrical impedance tomography based on joint sparse recovery," Inverse Problems, vol.31, no.7, pp.075002, 2015.
O. Lee, S. Tak, and J. C. Ye, "A unified sparse recovery and inference framework for functional diffuse optical tomography using random effect model," IEEE Trans. on Medical Imaging, vol.34, no.7, pp.1602-1615, 2015.
O. Lee, and J. C. Ye, "Joint sparsity-driven non-iterative simultaneous reconstruction of absorption and scattering in diffuse optical tomography," Optics Express, vol.21, pp.26589-26604, 2013.
J. M. Kim, O. Lee, and J. C. Ye, "Improving noise robustness in subspace-based joint sparse recovery," IEEE Trans. on Signal Processing, vol.60, no.11, pp.5799-5809, 2012.
J. W. Jung*, O. Lee*, and J. C. Ye, "Source localization approach for functional DOT using MUSIC and FDR control," Optics Express, vol.20, pp.6267-6285, 2012. (*Co-first authors with equal contribution.)
J. M. Kim, O. Lee, and J. C. Ye, "Compressive MUSIC: Revisiting the link between compressive sensing and array signal processing," IEEE Trans. on Information Theory, vol.58, no.1, pp.278-301, 2012.
O. Lee, J. M. Kim, Y. Bresler, and J. C. Ye, "Compressive diffuse optical tomography: non-iterative exact reconstruction using joint sparsity," IEEE Trans. on Medical Imaging, vol.30, no.6, pp.1129-1142, 2011.
K. H. Jin, Y. Kim, D. S. Yee, O. Lee, and J. C. Ye, "Compressed sensing pulse-echo mode terahertz reflectance tomography," Optics Letters, vol.34, no.24, pp.3863-3865, 2009.
O. Lee and K. Taguchi, "Spectral Distortion Compensation for Spectral CT," in: K. Taguchi, I. Blevis, and K. Iniewski, eds. "Spectral, Photon Counting Computed Tomography," Boca Raton, FL: CRC Press, pp.373-391, 2020.