Kenji NAKAYAMA


A Distortion-Free Learning Algorithm for Feedforward Multi-Channel Blind Source Separation
Akihide HORITA Kenji NAKAYAMA Akihiro HIRANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/12/01
Vol. E90-A  No. 12  pp. 2835-2845
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
blind source separationsignal distortionconvergencelearning algorithmconvolutive mixture
 Summary | Full Text:PDF(346KB)

FOREWORD
Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 545-545
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(51.3KB)

An Adaptive Penalty-Based Learning Extension for the Backpropagation Family
Boris JANSEN Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/08/01
Vol. E89-A  No. 8  pp. 2140-2148
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from the 20th Symposium on Signal Processing)
Category: 
Keyword: 
backpropagationlearning algorithmconvergenceerror functionneural networksgeneralization
 Summary | Full Text:PDF(316.2KB)

FOREWORD
Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/08/01
Vol. E88-A  No. 8  pp. 2043-2043
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(37.6KB)

Alternative Learning Algorithm for Stereophonic Acoustic Echo Canceller without Pre-Processing
Akihiro HIRANO Kenji NAKAYAMA Daisuke SOMEDA Masahiko TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 1958-1964
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Speech/Acoustic Signal Processing
Keyword: 
stereophonic acoustic echo cancellerpre-processing
 Summary | Full Text:PDF(618.2KB)

A Low-Distortion Noise Canceller and Its Learning Algorithm in Presence of Crosstalk
Akihiro HIRANO Kenji NAKAYAMA Shinya ARAI Masaki DEGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 414-421
Type of Manuscript:  Special Section PAPER (Special Section on Noise Cancellation and Reduction Techniques)
Category: Adaptive Noise Cancellation
Keyword: 
adaptive noise cancellercrosstalklow distortion
 Summary | Full Text:PDF(1.3MB)

A Hybrid Nonlinear Predictor: Analysis of Learning Process and Predictability for Noisy Time Series
Ashraf A. M. KHALAF Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8  pp. 1420-1427
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
predictionnonlineartime seriesneural networkFIR filternoise robustness
 Summary | Full Text:PDF(509.7KB)

Training Data Selection Method for Generalization by Multilayer Neural Networks
Kazuyuki HARA Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 374-381
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 10th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
training data selectiongeneralization performancemultilayer neural networks
 Summary | Full Text:PDF(640KB)

A Cascade Form Predictor of Neural and FIR Filters and Its Minimum Size Estimation Based on Nonlinearity Analysis of Time Series
Ashraf A. M. KHALAF Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 364-373
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 10th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
cascade form predictortime series predictionmulti-layer neural networksFIR filters nonlinear predictionnonlinearity analysisinput dimension estimation
 Summary | Full Text:PDF(754.1KB)

A Stability Analysis of Predictor-Based Least Squares Algorithm
Kazushi IKEDA Youhua WANG Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2286-2290
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filterRLS algorithmfast RLS algorithmnumerical stability analysis
 Summary | Full Text:PDF(411.8KB)

Multi-Frequency Signal Classification by Multilayer Neural Networks and Linear Filter Methods
Kazuyuki HARA Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/05/25
Vol. E80-A  No. 5  pp. 894-902
Type of Manuscript:  PAPER
Category: Neural Networks
Keyword: 
multilayer neural networkssignal classificationFIR filtersIIR filtersfrequency selective classification
 Summary | Full Text:PDF(755.1KB)

Numerical Perfomances of Recursive Least Squares and Predictor Based Least Squares: A Comparative Study
Youhua WANG Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/25
Vol. E80-A  No. 4  pp. 745-752
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filterRLS algorithmfast RLS algorithmstabilityfinite-precision implementation.
 Summary | Full Text:PDF(566.9KB)

Performance of Single- and Multi-Reference NLMS Noise Canceller Based on Correlation between Signal and Noise
Yapi ATSE Kenji NAKAYAMA Zhiqiang MA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/11/25
Vol. E78-A  No. 11  pp. 1576-1588
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
noise cancellernormalized LMS algorithmsignal-noise correlationmulti-reference noise canceller
 Summary | Full Text:PDF(747KB)

A Stable Least Square Algorithm Based on Predictors and Its Application to Fast Newton Transversal Filters
Youhua WANG Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/08/25
Vol. E78-A  No. 8  pp. 999-1003
Type of Manuscript:  Special Section LETTER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
adaptive filtersRLS algorithmfast RLS algorithmfast Newton transversal filtersstability
 Summary | Full Text:PDF(374.2KB)

A New Structure for Noise and Echo Cancelers Based on A Combined Fast Adaptive Filter Algorithm
Youhua WANG Kenji NAKAYAMA Zhiqiang MA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/07/25
Vol. E78-A  No. 7  pp. 845-853
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filtersfast RLS algorithmsnoise cancelerecho cancelerdouble-talk detection
 Summary | Full Text:PDF(739.8KB)

Optimum Order Assignment on Numerator and Denominator for IIR Adaptive Filters Adjusted by Equation Error
Asadual HUQ Zhiqiang MA Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/09/25
Vol. E77-A  No. 9  pp. 1439-1444
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from the 8th Digital Signal Processing Symposium)
Category: Adaptive Digital Filters
Keyword: 
IIR adaptive filterequation errororder assignment
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A Combined Fast Adaptive Filter Algorithm with an Automatic Switching Method
Youhua WANG Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/01/25
Vol. E77-A  No. 1  pp. 247-256
Type of Manuscript:  PAPER
Category: Adaptive Signal Processing
Keyword: 
adaptive filtersfast RLSnormalized LMStracking speedstability
 Summary | Full Text:PDF(718.3KB)

Automatic Tap Assignment in Sub-Band Adaptive Filter
Zhiqiang MA Kenji NAKAYAMA Akihiko SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/07/25
Vol. E76-B  No. 7  pp. 751-754
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1992 IEICE Fall Conference and the 1993 IEICE Spring Conference)
Category: 
Keyword: 
sub-bandadaptive filterfilter banknumber of tapssystem identificationnoise cancellerecho canceller
 Summary | Full Text:PDF(231.7KB)

Present and Future Trends in Integrated Analog Signal Processing Circuits
Kenji NAKAYAMA Atsushi IWATA Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/12/25
Vol. E71-E  No. 12  pp. 1177-1188
Type of Manuscript:  REVIEW PAPER
Category: 
Keyword: 
 Summary | Full Text:PDF(928.1KB)

A Discrete Optimization Method for High-Order FIR Filters with Finite Wordlength Coefficients
Kenji NAKAYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/08/25
Vol. E70-E  No. 8  pp. 735-743
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(601.8KB)