A simple signal detection method for great earthquake prediction by observation of seismic electromagnetic wave radiations. - Hiroshi Yasukawa; Shinji Niwa; Masayasu Hata; Ichi Takumi (EUSIPCO, 2002)

The precursor signal detection from electromagnetic waves for predicting great earthquakes using Kalman filter. - Shinji Niwa; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IGARSS, 2003)

A Study on Precursor Signal Extraction with PCA for Predicting Significant Earthquakes. - Shinji Niwa; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Precursor signal estimation using ELF band observations for predicting earthquakes using Monte Carlo filter. - Shinji Niwa; Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (EUSIPCO, 2004)

Reduction of streak artifacts caused by low photon counts utilizing an image-based forward projection in computed tomography. - Shinji Niwa; Katsuhiro Ichikawa; Hiroki Kawashima; Tadanori Takata; Shuhei Minami; Wataru Mitsui (Comput. Biol. Medicine, 2021)