An LSI chip set for DSP hardware implementation. - Akira Kanemasa; Rikio Maruta; Kenji Nakayama; Y. Sakamura; S. Tanaka (ICASSP, 1981)

Permuted difference coefficient digital filters. - Kenji Nakayama (ICASSP, 1981)

24- and 120-Channel Transmultiplexers Built with New Digital Signal Processing LSI's. - Rikio Maruta; Akira Kanemasa; Hisashi Sakaguchi; Masao Hibino; Kenji Nakayama (IEEE Trans. Commun., 1982)

Design of LSI speech spectrum analyzer using switched capacitor filter techniques. - Kenji Nakayama; Yutaka Ishikawa; Yoshiaki Kuraishi (ICASSP, 1983)

A design method for multirate filters. - Kenji Nakayama; T. Seki (ICASSP, 1984)

An oversampling A-to-D converter structure for VLSI digital codec's. - Akira Yukawa; Rikio Maruta; Kenji Nakayama (ICASSP, 1985)

A new discrete Fourier transform algorithm using butterfly structure fast convolution. - Kenji Nakayama (IEEE Trans. Acoust. Speech Signal Process., 1985)

A single-chip SC line equalizer system for full duplex multi-bit rate digital transmission. - Kenji Nakayama; Yutaka Takahashi; Yayoi Satoh; Masahiro Naka; Yasuaki Nukada (ICASSP, 1986)

A discrete optimization method for high-order FIR filters with finite wordlength coefficients. - Kenji Nakayama (IEEE Trans. Acoust. Speech Signal Process., 1987)

A band-limited signal extrapolation algorithm using pseudo inverse filtering and heuristic optimization. - Kenji Nakayama (ICASSP, 1988)

An improved fast Fourier transform algorithm using mixed frequency and time decimations. - Kenji Nakayama (IEEE Trans. Acoust. Speech Signal Process., 1988)

A digital multilayer neural network with limited binary expressions. - Kenji Nakayama; Satoru Inomata; Yukou Takeuchi (IJCNN, 1990)

Signal classification based on frequency analysis using multilayer neural network with limited data and computation. - Kazuyuki Hara; Kenji Nakayama (ICNN, 1995)

Topology analysis of data space using self-organizing feature map. - Kazuhiro Minamimoto; Kazushi Ikeda; Kenji Nakayama (ICNN, 1995)

A recurrent neural network with serial delay elements for memorizing limit cycles. - Seiji Miyoshi; Kenji Nakayama (ICNN, 1995)

Convergence analysis of recurrent neural network with self-loops based on eigenvalues of a connection matrix. - Yoshihiro Tomikawa; Kenji Nakayama (ICNN, 1995)

Effectiveness of Penalty Function in Solving the Subset Sum Problem. - Hong Wang; Zhiqiang Ma; Kenji Nakayama (International Conference on Evolutionary Computation, 1996)

Selection of minimum training data for generalization and online training by multilayer neural networks. - Kazuyuki Hara; Kenji Nakayama (ICNN, 1996)

A model of dynamic associative memory. - Hideki Kobori; Kazushi Ikeda; Kenji Nakayama (ICNN, 1996)

Probabilistic memory capacity of recurrent neural networks. - Seiji Miyoshi; Kenji Nakayama (ICNN, 1996)

A neural demodulator for quadrature amplitude modulation signals. - Katsuyoshi Ohnishi; Kenji Nakayama (ICNN, 1996)

A Neural-FIR Predictor: Minimum Size Estimation Based on Nonlinearity Analysis of Input Sequence. - Ashraf A. M. Khalaf; Kenji Nakayama; Kazuyuki Hara (ICANN, 1997)

On Distributed Representation of Output Layer for Recognizing Japanese Kana characters Using Neural Networks. - Kanad Keeni; Hiroshi Shimodaira; Kenji Nakayama (ICDAR, 1997)

The effects of quantization on the backpropagation learning. - Kazushi Ikeda; Akihiro Suzuki; Kenji Nakayama (ICNN, 1997)

A geometric learning algorithm for elementary perceptron and its convergence analysis. - Seiji Miyoshi; Kenji Nakayama (ICNN, 1997)

Avoiding weight-illgrowth: cascade correlation algorithm with local regularization. - Qun Xu; Kenji Nakayama (ICNN, 1997)

A numerically stable fast Newton type adaptive filter based on order update fast least squares algorithm. - Youhua Wang; Kazushi Ikeda; Kenji Nakayama (ICASSP, 1998)

Block-Size Optimization of Block Orthogonal Projection Algorithm for Linear Dichotomies. - Kazushi Ikeda; Seiji Miyoshi; Kenji Nakayama (ICONIP, 1998)

Automatic Generation of Initial Weights and Target Outputs of Multilayer Neural Networks and Its Application to Pattern Classification. - Kanad Keeni; Kenji Nakayama; Hiroshi Shimodaira (ICONIP, 1998)

Automatic generation of initial weights and estimation of hidden units for pattern classification using neural networks. - Kanad Keeni; Kenji Nakayama; Hiroshi Shimodaira (ICPR, 1998)

Convergence analysis of stereophonic echo canceller with pre-processing-relation between pre-processing and convergence. - Akihiro Hirano; Kenji Nakayama; Kazunobu Watanabe (ICASSP, 1999)

A polyphase and FFT realization of modulation sub-band adaptive filter with minimum sampling rate. - Kenji Nakayama; Akihiro Hirano; Hiroaki Sakaguchi (ICASSP, 1999)

Estimation of initial weights and hidden units for fast learning of multilayer neural networks for pattern classification. - Kanad Keeni; Kenji Nakayama; Hiroshi Shimodaira (IJCNN, 1999)

A learning algorithm for a hybrid nonlinear predictor applied to noisy nonlinear time series. - Ashraf A. M. Khalaf; Kenji Nakayama (IJCNN, 1999)

A multilayer neural network with nonlinear inputs and trainable activation functions: structure and simultaneous learning algorithm. - Kenji Nakayama; Akihiro Hirano; Issei Ido (IJCNN, 1999)

Development of high quality acoustic subband echo canceller using dual-filter structure and fast recursive least squares algorithm. - Youhua Wang; Yasuhiro Terada; Minoru Matsui; Kazuhiro Iida; Kenji Nakayama (ICASSP, 2000)

A Training Method with Small Computation for Classification. - Kazuyuki Hara; Kenji Nakayama (IJCNN (3), 2000)

A Structure Trainable Neural Network with Embedded Gating Units and Its Learning Algorithm. - Kenji Nakayama; Akihiro Hirano; Aki Kanbe (IJCNN (3), 2000)

A Constraint Learning Algorithm for Blind Source Separation. - Kenji Nakayama; Akihiro Hirano; Motoki Nitta (IJCNN (3), 2000)

A synchronized learning algorithm for reflection coefficients and tap weights in a joint lattice predictor and transversal filter. - Naoki Tokui; Kenji Nakayama; Akihiro Hirano (ICASSP, 2001)

Obstacle Avoidance by Using Modified Hopfield Neural Network. - Panrasee Ritthipravat; Kenji Nakayama (IC-AI, 2002)

Block implementation of a synchronized learning algorithm in adaptive lattice filters. - Naoki Tokui; Kenji Nakayama; Akihiro Hirano (ICASSP (6), 2003)

A learning algorithm with adaptive exponential stepsize for blind source separation of convolutive mixtures with reverberations. - Kenji Nakayama; Akihiro Hirano; Akihide Horita (IJCNN, 2003)

A cascade form blind source separation connecting source separation and linearization for nonlinear mixtures. - Kenji Nakayama; Akihiro Hirano; Takayuki Nishiwaki (IJCNN, 2003)

A numerically stable fast Newton-type adaptive filter based on order recursive least squares algorithm. - Youhua Wang; Kazushi Ikeda; Kenji Nakayama (IEEE Trans. Signal Process., 2003)

A lattice predictor based adaptive Volterra filter and a synchronized learning algorithm. - Kenji Nakayama; Akihiro Hirano; Hiroaki Kashimoto (EUSIPCO, 2004)

Acoustic echo cancellation for conference systems. - Akihiko Sugiyama; Akihiro Hirano; Kenji Nakayama (EUSIPCO, 2004)

Stereophonic acoustic echo canceller without pre-processing. - Akihiro Hirano; Kenji Nakayama; Daisuke Someda; Masahiko Tanaka (ICASSP (4), 2004)

A blind source separation cascading separation and linearization for low-order nonlinear mixtures. - Takayuki Nishiwaki; Kenji Nakayama; Akihiro Hirano (ICASSP (5), 2004)

On generalization of multilayer neural network applied to predicting protein secondary structure. - Kenji Nakayama; Akihiro Hirano; Ken-ichi Fukumura (IJCNN, 2004)

A synchronized learning algorithm for nonlinear part in a lattice predictor based adaptive Volterra filter. - Kenji Nakayama; Akihiro Hirano; Hiroaki Kashimoto (EUSIPCO, 2005)

Analysis of signal separation and signal distortion in feedforward and feedback blind source separation based on source spectra. - Akihide Horita; Kenji Nakayama; Akihiro Hirano; Yasuhiro Dejima (IJCNN, 2005)

Neural networks following a binary approach applied to the integer prime-factorization problem. - Boris Jansen; Kenji Nakayama (IJCNN, 2005)

Special Section on Papers Selected from the 19th Symposium on Signal Processing. - Kenji Nakayama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

A learning algorithm with distortion free constraint and comparative study for feedforward and feedback BSS. - Akihide Horita; Kenji Nakayama; Akihiro Hirano; Yasuhiro Dejima (EUSIPCO, 2006)

A Distortion Free Learning Algorithm for Feedforward BSS and ITS Comparative Study with Feedback BSS. - Akihide Horita; Kenji Nakayama; Akihiro Hirano; Yasuhiro Dejima (IJCNN, 2006)

An Adaptive Penalty-Based Learning Extension for Backpropagation and its Variants. - Boris Jansen; Kenji Nakayama (IJCNN, 2006)

Development of a 6-DOF force display system using ER actuators with high-safety. - Junji Furusho; Chengqiu Li; Xinghao Hu; Naoto Shichi; Takehito Kikuchi; Akio Inoue; Kenji Nakayama; Yuhei Yamaguchi; Ushio Ryu (VRCIA, 2006)

An Adaptive Penalty-Based Learning Extension for the Backpropagation Family. - Boris Jansen; Kenji Nakayama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

A distortion free learning algorithm for multi-channel convolutive blind source separation. - Akihide Horita; Kenji Nakayama; Akihiro Hirano (EUSIPCO, 2007)

A feedback approach to over complete BSS and its learning algorithm. - Kenji Nakayama; Haruo Katou; Akihiro Hirano (EUSIPCO, 2007)

Analysis and Comparative Study of Source Separation Performances in Feed-Forward and Feed-Back BSSs Based on Propagation Delays in Convolutive Mixture. - Akihide Horita; Kenji Nakayama; Akihiro Hirano (ICANN (1), 2007)

A Distortion-Free Learning Algorithm for Feedforward Multi-Channel Blind Source Separation. - Akihide Horita; Kenji Nakayama; Akihiro Hirano (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Special Section on Multimedia and Mobile Signal Processing. - Kenji Nakayama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Effects of propagation delays and sampling rate on feed-back BSS and comparative studies with feed-forward BSS. - Kenji Nakayama; Akihide Horita; Akihiro Hirano (EUSIPCO, 2008)

Neural Network Based BCI by Using Orthogonal Components of Multi-channel Brain Waves and Generalization. - Kenji Nakayama; Hiroki Horita; Akihiro Hirano (ICANN (2), 2008)

Adaptive Self-feeding Natural Language Generator Engine. - Jovan David Rebolledo Méndez; Kenji Nakayama (IVA, 2008)

A noise estimation method based on improved VAD used in noise spectral suppression under highly non-stationary noise environments. - Kenji Nakayama; Shoya Higashi; Akihiro Hirano (EUSIPCO, 2009)

A stereo echo canceller with simultaneous 2-channel input slides for fast convergence and good sound localization. - Akihiko Sugiyama; Yuusuke Mizuno; Laurent Kazdaghli; Akihiro Hirano; Kenji Nakayama (EUSIPCO, 2009)

A BCI System Based on Orthogonalized EEG Data and Multiple Multilayer Neural Networks in Parallel Form. - Kenji Nakayama; Hiroki Horita; Akihiro Hirano (ICANN (1), 2010)

A stereo echo canceller with simultaneous input-sliding and sliding-period control. - Akihiko Sugiyama; Yuusuke Mizuno; Akihiro Hirano; Kenji Nakayama (ICASSP, 2010)

MIMO MFSK receivers using FDE and MLD on quasi-static frequency selective fading channels. - Kenji Nakayama; Yasunori Iwanami; Eiji Okamoto (ISITA, 2010)

An adaptive control method for regression coefficient in frequency domain non-linear echo suppressor. - Kenji Nakayama; Yuki Ofuji; Akihiro Hirano (EUSIPCO, 2012)