Online detection of pulse sequence in random noise using a wavelet. - Akira Ohsumi; Hiroshi Ijima; T. Kuroishi (IEEE Trans. Signal Process., 1999)

High resolution detector for signals in random noise using wavelet-based Wigner distribution. - Akira Ohsumi; Hiroshi Ijima; Tarsuya Sodeoka (ICASSP, 2000)

Estimation of line parameters using SLIDE algorithm and TF representations. - Igor Djurovic; Srdjan Stankovic; Akira Ohsumi; Hiroshi Ijima (ICECS, 2002)

Instantaneous frequency estimation by using Wigner distribution and Viterbi algorithm. - Ljubisa Stankovic; Igor Djurovic; Akira Ohsumi; Hiroshi Ijima (ICASSP (6), 2003)

Recursive realization of the robust STFT. - Igor Djurovic; Ljubisa Stankovic; Akira Ohsumi; Hiroshi Ijima (ISSPA (1), 2003)

Motion parameters estimation by new propagation approach and time-frequency representations. - Igor Djurovic; Srdjan Stankovic; Akira Ohsumi; Hiroshi Ijima (Signal Process. Image Commun., 2004)

Time-delay estimation of signals in nonstationary random noise via stationarization and Wigner distribution-based approach. - Hiroshi Ijima; Akira Ohsumi; Satoshi Yamaguchi (EUSIPCO, 2006)

Detection of signals corrupted by nonstationary random noise via Kalman filter-based stationarization approach. - Hiroshi Ijima; Akira Ohsumi (EUSIPCO, 2008)

Estimation of multichannel TVAR parameters from noisy observations based on an evolutive method. - Hiroshi Ijima; Éric Grivel (EUSIPCO, 2011)

Evolutive method based on a generalized eigenvalue decomposition to estimate time varying autoregressive parameters from noisy observations. - Hiroshi Ijima; Julien Petitjean; Éric Grivel (ICASSP, 2011)

Deterministic regression methods for unbiased estimation of time-varying autoregressive parameters from noisy observations. - Hiroshi Ijima; Éric Grivel (Signal Process., 2012)

Prediction error method to estimate the ar parameters when the AR process is disturbed by a colored noise. - Roberto Diversi; Hiroshi Ijima; Éric Grivel (ICASSP, 2013)

Iterative approach to estimate the parameters of a TVAR process corrupted by a MA noise. - Hiroshi Ijima; Roberto Diversi; Eric J. Grivel (EUSIPCO, 2014)