Katsuhiro Ichikawa

Misoperation of CT Automatic Tube Current Modulation Systems with Inappropriate Patient Centering: Phantom Studies

Kosuke Matsubara, Kichiro Koshida, Katsuhiro Ichikawa et al. · American Journal of Roentgenology · 2009 · 83 citations

Spatial resolution measurement for iterative reconstruction by use of image-averaging techniques in computed tomography

Atsushi Urikura, Katsuhiro Ichikawa, T. Hara et al. · Radiological Physics and Technology · 2014 · 52 citations · Full text

Computed Tomography, Image Reconstruction, Reconstruction Technique +12

Objective assessment of low-contrast computed tomography images with iterative reconstruction

Atsushi Urikura, T. Hara, Katsuhiro Ichikawa et al. · Physica Medica · 2016 · 47 citations

Computed Tomography, Image Reconstruction, Engineering +9

X-ray dose reduction using additional copper filtration for abdominal digital radiography: Evaluation using signal difference-to-noise ratio

Hiroki Kawashima, Katsuhiro Ichikawa, Daisuke Nagasou et al. · Physica Medica · 2017 · 45 citations · Full text

Additional Copper Filtration, Radiography, Medical Imaging +13

A three-dimensional cross-directional bilateral filter for edge-preserving noise reduction of low-dose computed tomography images

Katsuhiro Ichikawa, Hiroki Kawashima, Masato Shimada et al. · Computers in Biology and Medicine · 2019 · 45 citations

Computed Tomography, Image Reconstruction, Engineering +12