We are interested in the development of medical image reconstruction algorithms and their applications, and specific topics are as follows but not limited to:

• Photon counting detector-based computed tomography
• X-ray material decomposition
• Diffuse optical tomography
• Three-dimensional functional brain imaging using NIR light
• NIR light-based brain computer interactions
• Compressed sensing

K. Taguchi, T. Itoh, M. K. Fuld, E. Fournie, O. Lee, K. Noguchi
X-Map 2.0" for Edema Signal Enhancement for Acute Ischemic Stroke Using Non–Contrast-Enhanced Dual-Energy Computed Tomography
Investigative radiology, 2018, Vol. 53, No. 7, pp. 432~ 439

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, 2018, Vol. 45, No. 5, pp. 1985~ 1998

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, 2017, Vol. 36, No. 11, pp. 2389~ 2403