Kenji Nakayama

According to our database, Kenji Nakayama authored at least 68 papers between 1981 and 2012.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2012

An adaptive control method for regression coefficient in frequency domain non-linear echo suppressor.

Kenji Nakayama, Yuki Ofuji, Akihiro Hirano

Proceedings of the 20th European Signal Processing Conference, 2012

2010

MIMO MFSK receivers using FDE and MLD on quasi-static frequency selective fading channels.

Kenji Nakayama, Yasunori Iwanami, Eiji Okamoto

Proceedings of the International Symposium on Information Theory and its Applications, 2010

A stereo echo canceller with simultaneous input-sliding and sliding-period control.

Akihiko Sugiyama, Yuusuke Mizuno, Akihiro Hirano, Kenji Nakayama

Proceedings of the IEEE International Conference on Acoustics, 2010

A BCI System Based on Orthogonalized EEG Data and Multiple Multilayer Neural Networks in Parallel Form.

Kenji Nakayama, Hiroki Horita, Akihiro Hirano

Proceedings of the Artificial Neural Networks - ICANN 2010, 2010

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

Proceedings of the 17th European Signal Processing Conference, 2009

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

Proceedings of the 17th European Signal Processing Conference, 2009

2008

Adaptive Self-feeding Natural Language Generator Engine.

Jovan David Rebolledo Méndez, Kenji Nakayama

Proceedings of the Intelligent Virtual Agents, 8th International Conference, 2008

Neural Network Based BCI by Using Orthogonal Components of Multi-channel Brain Waves and Generalization.

Kenji Nakayama, Hiroki Horita, Akihiro Hirano

Proceedings of the Artificial Neural Networks, 2008

Effects of propagation delays and sampling rate on feed-back BSS and comparative studies with feed-forward BSS.

Kenji Nakayama, Akihide Horita, Akihiro Hirano

Proceedings of the 2008 16th European Signal Processing Conference, 2008

2007

Special Section on Multimedia and Mobile Signal Processing.

Kenji Nakayama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 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

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

Proceedings of the Artificial Neural Networks, 2007

A feedback approach to over complete BSS and its learning algorithm.

Kenji Nakayama, Haruo Katou, Akihiro Hirano

Proceedings of the 15th European Signal Processing Conference, 2007

A distortion free learning algorithm for multi-channel convolutive blind source separation.

Akihide Horita, Kenji Nakayama, Akihiro Hirano

Proceedings of the 15th European Signal Processing Conference, 2007

2006

An Adaptive Penalty-Based Learning Extension for the Backpropagation Family.

Boris Jansen, Kenji Nakayama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 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

Proceedings of the Proceedings VRCIA 2006 ACM International Conference on Virtual Reality Continuum and its Applications, 2006

An Adaptive Penalty-Based Learning Extension for Backpropagation and its Variants.

Boris Jansen, Kenji Nakayama

Proceedings of the International Joint Conference on Neural Networks, 2006

A Distortion Free Learning Algorithm for Feedforward BSS and ITS Comparative Study with Feedback BSS.

Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima

Proceedings of the International Joint Conference on Neural Networks, 2006

A learning algorithm with distortion free constraint and comparative study for feedforward and feedback BSS.

Akihide Horita, Kenji Nakayama, Akihiro Hirano, Yasuhiro Dejima

Proceedings of the 14th European Signal Processing Conference, 2006

2005

Special Section on Papers Selected from the 19th Symposium on Signal Processing.

Kenji Nakayama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

A synchronized learning algorithm for nonlinear part in a lattice predictor based adaptive Volterra filter.

Kenji Nakayama, Akihiro Hirano, Hiroaki Kashimoto

Proceedings of the 13th European Signal Processing Conference, 2005

2004

A blind source separation cascading separation and linearization for low-order nonlinear mixtures.

Takayuki Nishiwaki, Kenji Nakayama, Akihiro Hirano

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Stereophonic acoustic echo canceller without pre-processing.

Akihiro Hirano, Kenji Nakayama, Daisuke Someda, Masahiko Tanaka

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Acoustic echo cancellation for conference systems.

Akihiko Sugiyama, Akihiro Hirano, Kenji Nakayama

Proceedings of the 2004 12th European Signal Processing Conference, 2004

A lattice predictor based adaptive Volterra filter and a synchronized learning algorithm.

Kenji Nakayama, Akihiro Hirano, Hiroaki Kashimoto

Proceedings of the 2004 12th European Signal Processing Conference, 2004

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

Block implementation of a synchronized learning algorithm in adaptive lattice filters.

Naoki Tokui, Kenji Nakayama, Akihiro Hirano

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2002

Obstacle Avoidance by Using Modified Hopfield Neural Network.

Panrasee Ritthipravat, Kenji Nakayama

Proceedings of the International Conference on Artificial Intelligence, 2002

2001

A synchronized learning algorithm for reflection coefficients and tap weights in a joint lattice predictor and transversal filter.

Naoki Tokui, Kenji Nakayama, Akihiro Hirano

Proceedings of the IEEE International Conference on Acoustics, 2001

2000

A Constraint Learning Algorithm for Blind Source Separation.

Kenji Nakayama, Akihiro Hirano, Motoki Nitta

Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks, 2000

A Structure Trainable Neural Network with Embedded Gating Units and Its Learning Algorithm.

Kenji Nakayama, Akihiro Hirano, Aki Kanbe

Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks, 2000

A Training Method with Small Computation for Classification.

Kazuyuki Hara, Kenji Nakayama

Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks, 2000

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

Proceedings of the IEEE International Conference on Acoustics, 2000

1999

A multilayer neural network with nonlinear inputs and trainable activation functions: structure and simultaneous learning algorithm.

Kenji Nakayama, Akihiro Hirano, Issei Ido

Proceedings of the International Joint Conference Neural Networks, 1999

A learning algorithm for a hybrid nonlinear predictor applied to noisy nonlinear time series.

Ashraf A. M. Khalaf, Kenji Nakayama

Proceedings of the International Joint Conference Neural Networks, 1999

Estimation of initial weights and hidden units for fast learning of multilayer neural networks for pattern classification.

Kanad Keeni, Kenji Nakayama, Hiroshi Shimodaira

Proceedings of the International Joint Conference Neural Networks, 1999

A polyphase and FFT realization of modulation sub-band adaptive filter with minimum sampling rate.

Kenji Nakayama, Akihiro Hirano, Hiroaki Sakaguchi

Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

Convergence analysis of stereophonic echo canceller with pre-processing-relation between pre-processing and convergence.

Akihiro Hirano, Kenji Nakayama, Kazunobu Watanabe

Proceedings of the 1999 IEEE International Conference on Acoustics, 1999

1998

Automatic generation of initial weights and estimation of hidden units for pattern classification using neural networks.

Kanad Keeni, Kenji Nakayama, Hiroshi Shimodaira

Proceedings of the Fourteenth International Conference on Pattern Recognition, 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

Proceedings of the Fifth International Conference on Neural Information Processing, 1998

Block-Size Optimization of Block Orthogonal Projection Algorithm for Linear Dichotomies.

Kazushi Ikeda, Seiji Miyoshi, Kenji Nakayama

Proceedings of the Fifth International Conference on Neural Information Processing, 1998

A numerically stable fast Newton type adaptive filter based on order update fast least squares algorithm.

Youhua Wang, Kazushi Ikeda, Kenji Nakayama

Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997

Avoiding weight-illgrowth: cascade correlation algorithm with local regularization.

Qun Xu, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'97), 1997

A geometric learning algorithm for elementary perceptron and its convergence analysis.

Seiji Miyoshi, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'97), 1997

The effects of quantization on the backpropagation learning.

Kazushi Ikeda, Akihiro Suzuki, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'97), 1997

On Distributed Representation of Output Layer for Recognizing Japanese Kana characters Using Neural Networks.

Kanad Keeni, Hiroshi Shimodaira, Kenji Nakayama

Proceedings of the 4th International Conference Document Analysis and Recognition (ICDAR '97), 1997

A Neural-FIR Predictor: Minimum Size Estimation Based on Nonlinearity Analysis of Input Sequence.

Ashraf A. M. Khalaf, Kenji Nakayama, Kazuyuki Hara

Proceedings of the Artificial Neural Networks, 1997

1996

A neural demodulator for quadrature amplitude modulation signals.

Katsuyoshi Ohnishi, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'96), 1996

Probabilistic memory capacity of recurrent neural networks.

Seiji Miyoshi, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'96), 1996

A model of dynamic associative memory.

Hideki Kobori, Kazushi Ikeda, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'96), 1996

Selection of minimum training data for generalization and online training by multilayer neural networks.

Kazuyuki Hara, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'96), 1996

Effectiveness of Penalty Function in Solving the Subset Sum Problem.

Hong Wang, Zhiqiang Ma, Kenji Nakayama

Proceedings of 1996 IEEE International Conference on Evolutionary Computation, 1996

1995

Convergence analysis of recurrent neural network with self-loops based on eigenvalues of a connection matrix.

Yoshihiro Tomikawa, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'95), Perth, WA, Australia, November 27, 1995

A recurrent neural network with serial delay elements for memorizing limit cycles.

Seiji Miyoshi, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'95), Perth, WA, Australia, November 27, 1995

Topology analysis of data space using self-organizing feature map.

Kazuhiro Minamimoto, Kazushi Ikeda, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'95), Perth, WA, Australia, November 27, 1995

Signal classification based on frequency analysis using multilayer neural network with limited data and computation.

Kazuyuki Hara, Kenji Nakayama

Proceedings of International Conference on Neural Networks (ICNN'95), Perth, WA, Australia, November 27, 1995

1990

A digital multilayer neural network with limited binary expressions.

Kenji Nakayama, Satoru Inomata, Yukou Takeuchi

Proceedings of the IJCNN 1990, 1990

1988

An improved fast Fourier transform algorithm using mixed frequency and time decimations.

Kenji Nakayama

IEEE Trans. Acoust. Speech Signal Process., 1988

A band-limited signal extrapolation algorithm using pseudo inverse filtering and heuristic optimization.

Kenji Nakayama

Proceedings of the IEEE International Conference on Acoustics, 1988

1987

A discrete optimization method for high-order FIR filters with finite wordlength coefficients.

Kenji Nakayama

IEEE Trans. Acoust. Speech Signal Process., 1987

1986

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

Proceedings of the IEEE International Conference on Acoustics, 1986

1985

A new discrete Fourier transform algorithm using butterfly structure fast convolution.

Kenji Nakayama

IEEE Trans. Acoust. Speech Signal Process., 1985

An oversampling A-to-D converter structure for VLSI digital codec's.

Akira Yukawa, Rikio Maruta, Kenji Nakayama

Proceedings of the IEEE International Conference on Acoustics, 1985

1984

A design method for multirate filters.

Kenji Nakayama, T. Seki

Proceedings of the IEEE International Conference on Acoustics, 1984

1983

Design of LSI speech spectrum analyzer using switched capacitor filter techniques.

Kenji Nakayama, Yutaka Ishikawa, Yoshiaki Kuraishi

Proceedings of the IEEE International Conference on Acoustics, 1983

1982

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

1981

Permuted difference coefficient digital filters.

Kenji Nakayama

Proceedings of the IEEE International Conference on Acoustics, 1981

An LSI chip set for DSP hardware implementation.

Akira Kanemasa, Rikio Maruta, Kenji Nakayama, Y. Sakamura, S. Tanaka

Proceedings of the IEEE International Conference on Acoustics, 1981