A dynamical identification method based on conditioned observations for a sound insulation system with the order determined by a new criterion index. - Akira Ikuta; Mituo Ohta; Noboru Nakasako (ICASSP, 1986)

A restoration method of medical x-ray images based on an extended regression analysis method. - Mitsuo Ohta; Akira Ikuta; Yasuo Mitani; Yoshie Kodera; Masaaki Ogawa; Minoru Fujita; Takuro Wada (Syst. Comput. Jpn., 1991)

A Stochastic Evaluation for an Acoustic Environmental System by Introducing Two Types of Information Processing Methods Based on Regression Models of an Expansion Series Type and Fuzzy Probability. - Akira Ikuta; Mitsuo Ohta (J. Intell. Fuzzy Syst., 1997)

Steady-state properties of the sign algorithm for the constrained adaptive IIR notch filter. - Yegui Xiao; Rabab Kreidieh Ward; Akira Ikuta (ISCAS (4), 2003)

Performance analysis of the sign algorithm for a constrained adaptive IIR notch filter. - Yegui Xiao; Rabab Kreidieh Ward; Akira Ikuta (IEEE Trans. Signal Process., 2003)

Statistical properties of the LMS fourier analyzer in the presence of frequency mismatch. - Yegui Xiao; Akira Ikuta; Liying Ma; Li Xu; Rabab Kreidieh Ward (IEEE Trans. Circuits Syst. I Regul. Pap., 2004)

A Fuzzy Adaptive Filter for State Estimation of Unknown Structural System and Evaluation for Sound Environment. - Akira Ikuta; Hisako Masuike; Yegui Xiao; Mitsuo Ohta (FSKD (1), 2005)

A filtered-X RLS based narrowband active noise control system in the presence of frequency mismatch. - Yegui Xiao; Liying Ma; Khashayar Khorasani; Akira Ikuta; Li Xu (ISCAS (1), 2005)

A Digital Filter for Stochastic Systems with Unknown Structure and Its Application to Psychological Evaluation of Sound Environment. - Akira Ikuta; Hisako Masuike; Mitsuo Ohta (IEICE Trans. Inf. Syst., 2005)

Statistical Performance of the Memoryless Nonlinear Gradient Algorithm for the Constrained Adaptive IIR Notch Filter. - Yegui Xiao; Liying Ma; Khashayar Khorasani; Akira Ikuta (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

A new LMS-based Fourier analyzer in the presence of frequency mismatch and applications. - Yegui Xiao; Rabab Kreidieh Ward; Liying Ma; Akira Ikuta (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

Statistical properties of the FXLMS-based narrowband active noise control system. - Yegui Xiao; Koji Hasegawa; Akira Ikuta; Kentaro Noguchi (EUSIPCO, 2006)

Fuzzy Controller Design Utilizing Experts' Knowledge. - Hugang Han; Akira Ikuta (FUZZ-IEEE, 2006)

A Signal Processing Method Based on Fuzzy Inference and Its Application to Stochastic Environment. - Akira Ikuta; Mitsuo Ohta; Hugang Han (FUZZ-IEEE, 2006)

State Estimation Method for Sound Environment System with Unknown Structure by Introducing a Fuzzy Adaptive Filter. - Hisako Masuike; Akira Ikuta; Yegui Xiao (FUZZ-IEEE, 2006)

A New Robust Narrowband Active Noise Control System in the Presence of Frequency Mismatch. - Yegui Xiao; Liying Ma; Khashayar Khorasani; Akira Ikuta (IEEE Trans. Speech Audio Process., 2006)

Performance Analysis of the Fxlms-Based Narrowband Active Noise Control System with Online Secondary Path Modeling. - Yegui Xiao; Liying Ma; Khashayar Khorasani; Akira Ikuta (ICASSP (1), 2007)

Fuzzy controllers for a class of discrete-time nonlinear systems. - Hugang Han; Akira Ikuta (Artif. Intell. Rev., 2007)

Editorial: Hybrid Techniques in AI. - Mia Nazmul Haque Siddique; Bala P. Amavasai; Akira Ikuta (Artif. Intell. Rev., 2007)

Stochastic Analysis of the FXLMS-Based Narrowband Active Noise Control System. - Yegui Xiao; Akira Ikuta; Liying Ma; Khashayar Khorasani (IEEE Trans. Speech Audio Process., 2008)

A noise cancellation method in sound and electromagnetic environment of power state variables. - Akira Ikuta; Hisako Masuike (EUSIPCO, 2009)

Static and Dynamic Signal Processing Methods for Noise Cancellation in Sound and Electromagnetic Environment. - Hisako Masuike; Akira Ikuta (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Adaptive Method for State Estimation of Sound Environment System with Uncertainty and its Application to Psychological Evaluation. - Hisako Orimoto; Akira Ikuta (Intell. Inf. Manag., 2010)

A Bayesian approach for noise suppression of speech signal in real environment. - Akira Ikuta; Hisako Orimoto; Yegui Xiao (EUSIPCO, 2011)

Adaptive Noise Suppression Algorithm for Speech Signal Based on Stochastic System Theory. - Akira Ikuta; Hisako Orimoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Fuzzy Signal Processing of Sound and Electromagnetic Environment by Introducing Probability Measure of Fuzzy Events. - Akira Ikuta; Hisako Orimoto (IJCCI (FCTA), 2014)

Static and Dynamic Methods for Fuzzy Signal Processing of Sound and Electromagnetic Environment Based on Fuzzy Observations. - Akira Ikuta; Hisako Orimoto (IJCCI (Selected Papers), 2014)

Stochastic approach for noise suppression of speech signal by considering finite range of amplitude fluctuation in real environment. - Akira Ikuta; Hisako Orimoto (Int. J. Appl. Pattern Recognit., 2014)

A cancellation method of additive external noise and state dependent noise in sound environment systems. - Akira Ikuta; Nazmul H. Siddique (Int. J. Appl. Pattern Recognit., 2014)

Fuzzy Bayesian Filter for Sound Environment by Considering Additive Property of Energy Variable and Fuzzy Observation in Decibel Scale. - Akira Ikuta; Hisako Orimoto (SPA, 2018)

Noise Cancellation Method for Speech Signal by Using an Extension Type UKF. - Hisako Orimoto; Akira Ikuta (SPA, 2018)