Extraction and computational estimation of malignant microcalcification on mammography. - Seiji Yabashi; Masayasu Hata; Kanji Kubo; Taro Ishikawa (Syst. Comput. Jpn., 1989)

Signal processing and sonification of seismic electromagnetic radiation in ELF band. - Seiji Adachi; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (EUSIPCO, 2000)

Signal detection and processing of seismic electromagnetic radiation in ELF band. - Hiroshi Yasukawa; Seiji Adachi; Masayasu Hata; Ichi Takumi (ICECS, 2001)

High Performance Error Correcting Code of the High Dimensional Discrete Torus Knot. - Masayasu Hata; Eisaku Yamaguchi; Yuuichi Hamasuna; Toshio Ishizaka; Ichi Takumi (ITCC, 2001)

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)

Clustering of EM radiation source based on eigenvector. - Ichi Takumi; Shuhei Murakami; Akio Shimura; Masayasu Hata; Hiroshi Yasukawa (IGARSS, 2002)

Estimation of EM radiation source in ELF band. - Ichi Takumi; Shoichi Saito; Akio Shimura; Masayasu Hata; Hiroshi Yasukawa (IGARSS, 2002)

A source estimation method to locate anomalous electromagnetic source in ELF band with global noise separation by ICA. - Nobukazu Kodera; Ichi Takumi; Masayasu Hata; Hiroshi Yasukawa (IGARSS, 2003)

Study on analysis of EM radiation source based on eigenvector. - Shuhei Murakami; Ichi Takumi; Masayasu Hata; Hiroshi Yasukawa (IGARSS, 2003)

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

On IP Based Access Protocol for High-speed Wireless LAN. - Masayasu Hata; Makoto Kawasima; Yuuichi Hamasuna; Shogo Usami; Ichi Takumi (ITCC, 2003)

Iterative Decoding of High Dimensionality Parity Code. - Toshio Fukuta; Yuuichi Hamasuna; Ichi Takumi; Masayasu Hata; Takahiro Nakanishi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 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)

Abrupt noise rejection using wavelet transform for electromagnetic wave observation signals. - Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (EUSIPCO, 2006)

Global signal elimination from ELF band electromagnetic signals by Independent Component Analysis. - Motoaki Mouri; Arao Funase; Andrzej Cichocki; Ichi Takumi; Hiroshi Yasukawa; Masayasu Hata (EUSIPCO, 2006)

Global Noise Elimination from ELF Band Electromagnetic Signals by Independent Component Analysis. - Motoaki Mouri; Arao Funase; Andrzej Cichocki; Ichi Takumi; Hiroshi Yasukawa; Masayasu Hata (ICA, 2006)

Modified Algorithm on Maximum Detected Bit Flipping Decoding for High Dimensional Parity-Check Code. - Yuuki Funahashi; Shogo Usami; Ichi Takumi; Masayasu Hata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Applying Non-negative Matrix Factorization for global signal elimination from electromagnetic signals. - Motoaki Mouri; Arao Funase; Andrzej Cichocki; Ichi Takumi; Hiroshi Yasukawa; Masayasu Hata (EUSIPCO, 2007)

Global Noise Estimation Based on Tensor Product Expansion with Absolute Error. - Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Improvement of Earthquake Prediction by using Global Signal Elimination from Environmental Electromagnetic Signals. - Motoaki Mouri; Arao Funase; Ichi Takumi; Andrzej Cichocki; Hiroshi Yasukawa; Masayasu Hata (IGARSS (5), 2008)

Detection of Anomalous Environmental Electromagnetic Wave by Statistical Property in Magnetic Field Azimuth. - Tokiyasu Sato; Ichi Takumi; Masayasu Hata; Hiroshi Yasukawa (IGARSS (3), 2008)

Global Signal Elimination and Local Signals Enhancement from EM Radiation Waves Using Independent Component Analysis. - Motoaki Mouri; Arao Funase; Andrzej Cichocki; Ichi Takumi; Hiroshi Yasukawa; Masayasu Hata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Implementation of matrix factorization based on minimizing quasi-absolute distance for electromagnetic global signal elimination. - Motoaki Mouri; Arao Funase; Andrzej Cichocki; Ichi Takumi; Hiroshi Yasukawa; Masayasu Hata (EUSIPCO, 2009)

Detection and Radiation Area Estimation of Anomalous Environmental Electromagnetic Wave Related to Earthquake Precursor. - Tokiyasu Sato; Ichi Takumi; Masayasu Hata; Hiroshi Yasukawa (IGARSS (4), 2009)

HMM based anomalous signal detection from ELF electromagnetic wave signals. - Yoshinao Ito; Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (EUSIPCO, 2010)

A study on anomalous signal detection using HMM for ELF electromagnetic wave. - Yoshinao Ito; Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IGARSS, 2010)

Performance of anomalous signal detection with HMM approach in electromagneticwave observation using moving window. - Yoshinao Ito; Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IGARSS, 2011)

The Background Noise Estimation in the ELF Electromagnetic Wave Data Using Outer Product Expansion with Non-linear Filter. - Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Improvement of background signal reduction using modified trimmed mean based outer product expansion. - Akitoshi Itai; Hiroshi Yasukawa; Ichi Takumi; Masayasu Hata (ICICS, 2015)