Masayasu Hata

31 papers C 9Journal 7Unranked 15
YearRankTypeTitle / Venue / Authors
2015 C conf
Improvement of background signal reduction using modified trimmed mean based outer product expansion.
ICICS
Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2014 J jnl
The Background Noise Estimation in the ELF Electromagnetic Wave Data Using Outer Product Expansion with Non-linear Filter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2011 C conf
Performance of anomalous signal detection with HMM approach in electromagneticwave observation using moving window.
IGARSS
Yoshinao Ito, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2010 C conf
A study on anomalous signal detection using HMM for ELF electromagnetic wave.
IGARSS
Yoshinao Ito, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2010 — conf
HMM based anomalous signal detection from ELF electromagnetic wave signals.
EUSIPCO
Yoshinao Ito, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2009 — conf
Detection and Radiation Area Estimation of Anomalous Environmental Electromagnetic Wave Related to Earthquake Precursor.
IGARSS (4)
Tokiyasu Sato, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa
2009 — conf
Implementation of matrix factorization based on minimizing quasi-absolute distance for electromagnetic global signal elimination.
EUSIPCO
Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa, Masayasu Hata
2008 — conf
Detection of Anomalous Environmental Electromagnetic Wave by Statistical Property in Magnetic Field Azimuth.
IGARSS (3)
Tokiyasu Sato, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa
2008 J jnl
Global Signal Elimination and Local Signals Enhancement from EM Radiation Waves Using Independent Component Analysis.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa, Masayasu Hata
2008 — conf
Improvement of Earthquake Prediction by using Global Signal Elimination from Environmental Electromagnetic Signals.
IGARSS (5)
Motoaki Mouri, Arao Funase, Ichi Takumi, Andrzej Cichocki, Hiroshi Yasukawa, Masayasu Hata
2007 — conf
Applying Non-negative Matrix Factorization for global signal elimination from electromagnetic signals.
EUSIPCO
Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa, Masayasu Hata
2007 J jnl
Global Noise Estimation Based on Tensor Product Expansion with Absolute Error.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2006 — conf
Abrupt noise rejection using wavelet transform for electromagnetic wave observation signals.
EUSIPCO
Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2006 — conf
Global Noise Elimination from ELF Band Electromagnetic Signals by Independent Component Analysis.
ICA
Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa, Masayasu Hata
2006 — conf
Global signal elimination from ELF band electromagnetic signals by Independent Component Analysis.
EUSIPCO
Motoaki Mouri, Arao Funase, Andrzej Cichocki, Ichi Takumi, Hiroshi Yasukawa, Masayasu Hata
2006 J jnl
Modified Algorithm on Maximum Detected Bit Flipping Decoding for High Dimensional Parity-Check Code.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuuki Funahashi, Shogo Usami, Ichi Takumi, Masayasu Hata
2004 — conf
Precursor signal estimation using ELF band observations for predicting earthquakes using Monte Carlo filter.
EUSIPCO
Shinji Niwa, Akitoshi Itai, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2003 J jnl
A Study on Precursor Signal Extraction with PCA for Predicting Significant Earthquakes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shinji Niwa, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2003 C conf
A source estimation method to locate anomalous electromagnetic source in ELF band with global noise separation by ICA.
IGARSS
Nobukazu Kodera, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa
2003 J jnl
Iterative Decoding of High Dimensionality Parity Code.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshio Fukuta, Yuuichi Hamasuna, Ichi Takumi, Masayasu Hata, Takahiro Nakanishi
2003 — conf
On IP Based Access Protocol for High-speed Wireless LAN.
ITCC
Masayasu Hata, Makoto Kawasima, Yuuichi Hamasuna, Shogo Usami, Ichi Takumi
2003 C conf
Study on analysis of EM radiation source based on eigenvector.
IGARSS
Shuhei Murakami, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa
2003 C conf
Study on locating simulation of EM radiation source and transfer characteristic in ELF electromagnetic field.
IGARSS
Susumu Saito, Ichi Takumi, Masayasu Hata, Hiroshi Yasukawa
2003 C conf
The precursor signal detection from electromagnetic waves for predicting great earthquakes using Kalman filter.
IGARSS
Shinji Niwa, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
2002 — conf
A simple signal detection method for great earthquake prediction by observation of seismic electromagnetic wave radiations.
EUSIPCO
Hiroshi Yasukawa, Shinji Niwa, Masayasu Hata, Ichi Takumi
2002 C conf
Clustering of EM radiation source based on eigenvector.
IGARSS
Ichi Takumi, Shuhei Murakami, Akio Shimura, Masayasu Hata, Hiroshi Yasukawa
2002 C conf
Estimation of EM radiation source in ELF band.
IGARSS
Ichi Takumi, Shoichi Saito, Akio Shimura, Masayasu Hata, Hiroshi Yasukawa
2001 — conf
High Performance Error Correcting Code of the High Dimensional Discrete Torus Knot.
ITCC
Masayasu Hata, Eisaku Yamaguchi, Yuuichi Hamasuna, Toshio Ishizaka, Ichi Takumi
2001 — conf
Signal detection and processing of seismic electromagnetic radiation in ELF band.
ICECS
Hiroshi Yasukawa, Seiji Adachi, Masayasu Hata, Ichi Takumi
2000 — conf
Signal processing and sonification of seismic electromagnetic radiation in ELF band.
EUSIPCO
Seiji Adachi, Hiroshi Yasukawa, Ichi Takumi, Masayasu Hata
1989 J jnl
Extraction and computational estimation of malignant microcalcification on mammography.
Syst. Comput. Jpn.
Seiji Yabashi, Masayasu Hata, Kanji Kubo, Taro Ishikawa