Yasunari YOKOTA


Noise Estimation for Speech Enhancement Based on Quasi-Gaussian Distributed Power Spectrum Series by Radical Root Transformation
Tian YE Yasunari YOKOTA 
Publication:   
Publication Date: 2017/06/01
Vol. E100-A  No. 6  pp. 1306-1314
Type of Manuscript:  PAPER
Category: Information Theory
Keyword: 
power spectrum seriesquasi-Gaussian distributionspeech activity detectorradical root transformation
 Summary | Full Text:PDF(10.6MB)

Optimal Quantization Noise Allocation and Coding Gain in Transform Coding with Two-Dimensional Morphological Haar Wavelet
Yasunari YOKOTA Xiaoyong TAN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 636-645
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
coding gainmorphological Haar waveletnonlinear transform codingnonlinear waveletoptimal quantization noise allocation
 Summary | Full Text:PDF(555.9KB)

Effect of Time Division on Estimation Accuracy in Frequency Domain ICA
Yasunari YOKOTA Hideaki IWATA Motoki SHIGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/12/01
Vol. E87-A  No. 12  pp. 3424-3428
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
ICACBSSFDICAtime divisionoverlapping window
 Summary | Full Text:PDF(466.8KB)