Yoshihisa ISHIDA


Generalized Sliding Discrete Fourier Transform
Takahiro MURAKAMI Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/01/01
Vol. E99-A  No. 1  pp. 338-345
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
sliding DFTwindow functionzero-padding
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Minimum Length of a Signal for Fundamental Frequency Estimation and Its Application
Takahiro MURAKAMI Hiroyuki YAMAGISHI Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/09/01
Vol. E98-A  No. 9  pp. 1914-1923
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
CRLBfundamental frequency estimationlength of a signalpitch estimation
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Derivation of Update Rules for Convolutive NMF Based on Squared Euclidean Distance, KL Divergence, and IS Divergence
Hiroki TANJI Ryo TANAKA Kyohei TABATA Yoshito ISEKI Takahiro MURAKAMI Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/11/01
Vol. E97-A  No. 11  pp. 2121-2129
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
convolutive NMFauxiliary function methodsignal separation
 Summary | Full Text:PDF(2.2MB)

Sinusoidal Parameter Estimation Using Roots of an Algebraic Equation
Takahiro MURAKAMI Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/07/01
Vol. E94-A  No. 7  pp. 1487-1496
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
sinusoidal parameterfrequency estimationminimization problemlocal minima
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Time-Domain Blind Signal Separation of Convolutive Mixtures via Multidimensional Independent Component Analysis
Takahiro MURAKAMI Toshihisa TANAKA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 733-744
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
blind signal separationconvolutive mixturemultidimensional independent component analysisindependent subspace analysis
 Summary | Full Text:PDF(1.2MB)

Measurement of Similarity between Latent Variables
Takahiro MURAKAMI Toshihisa TANAKA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 824-831
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
similarityFIR filterMSEeigenvalue problemcorrelation coefficient
 Summary | Full Text:PDF(293.9KB)

Speech Enhancement by Spectral Subtraction Based on Subspace Decomposition
Takahiro MURAKAMI Tetsuya HOYA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/03/01
Vol. E88-A  No. 3  pp. 690-701
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech enhancementspectral subtractionsubspace decompositionMUSIC algorithm
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Private Communications with Chaos Based on the Fixed-Point Computation
Hiroyuki KAMATA Yohei UMEZAWA Masamichi DOBASHI Tetsuro ENDO Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 1238-1246
Type of Manuscript:  PAPER
Category: Information Security
Keyword: 
chaosprivate communicationsfixed-point computationunstable digital filters
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Speech Analysis with Blind Equalization Technique
Munehiro NAMBA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/04/25
Vol. E82-A  No. 4  pp. 564-571
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Signal Processing Techniques for Analysis of Acoustical and Vibrational Signals)
Category: 
Keyword: 
blind equalizationEVAwaveletspeech analysis
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Linear Phase IIR Hilbert Transformers Using Time Reversal Techniques
Atsushi HIROI Hiroyuki KAMATA Yoshihisa ISHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/05/25
Vol. E77-A  No. 5  pp. 864-867
Type of Manuscript:  Special Section LETTER (Special Section on Signal Processing and System Theory)
Category: 
Keyword: 
Hilbert transformerIIR digital filter
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