Kuniharu Imai

Method of measuring contrast‐to‐noise ratio (<scp>CNR</scp>) in nonuniform image area in digital radiography

Masaki Mori, Kuniharu Imai, Mitsuru Ikeda et al. · Electronics and Communications in Japan · 2013 · 21 citations

Digital Radiography, Engineering, Radiation Dose Dependence +20

Quantitative assessment of image noise and streak artifact on CT image: Comparison of z-axis automatic tube current modulation technique with fixed tube current technique

Kuniharu Imai, Mitsuru Ikeda, Yukihiro Enchi et al. · Computerized Medical Imaging and Graphics · 2009 · 20 citations

Streak Artifact, Computed Tomography, Image Noise +7

A detection method for streak artifacts and radiological noise in a non-uniform region in a CT image

Kuniharu Imai, Mitsuru Ikeda, Yukihiro Enchi et al. · Physica Medica · 2009 · 16 citations

Computed Tomography, Image Analysis, Engineering +12

Contrast enhancement efficacy of iodinated contrast media: Effect of molecular structure on contrast enhancement

Kuniharu Imai, Mitsuru Ikeda, Yoshiki Satoh et al. · European Journal of Radiology Open · 2018 · 16 citations · Full text

A method for estimating noise variance of CT image

Mitsuru Ikeda, Reiko Makino, Kuniharu Imai et al. · Computerized Medical Imaging and Graphics · 2010 · 15 citations

Computed Tomography, Image Reconstruction, Image Analysis +10