Akira TANAKA


Wiener-Based Inpainting Quality Prediction
Takahiro OGAWA Akira TANAKA Miki HASEYAMA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-D  No. 10  pp. 2614-2626
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
quality predictioninpaintingWiener filterleast-squares estimation
 Summary | Full Text:PDF(9.1MB)

Theoretical Analyses on 2-Norm-Based Multiple Kernel Regressors
Akira TANAKA Hideyuki IMAI 
Publication:   
Publication Date: 2017/03/01
Vol. E100-A  No. 3  pp. 877-887
Type of Manuscript:  PAPER
Category: Neural Networks and Bioengineering
Keyword: 
multiple kernel regressorreproducing kernel Hilbert spacegeneralization error2-norm criterion2-norm regularizer
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Ensemble and Multiple Kernel Regressors: Which Is Better?
Akira TANAKA Hirofumi TAKEBAYASHI Ichigaku TAKIGAWA Hideyuki IMAI Mineichi KUDO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/11/01
Vol. E98-A  No. 11  pp. 2315-2324
Type of Manuscript:  PAPER
Category: Neural Networks and Bioengineering
Keyword: 
kernel regressionensemble kernel regressormultiple kernel regressorgeneralization errorreproducing kernel Hilbert spaces
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Parametric Wiener Filter with Linear Constraints for Unknown Target Signals
Akira TANAKA Hideyuki IMAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 322-330
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
parametric Wiener filterlinear constraintsoptimization criterionclosed-form solution
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Multi-Frame Image Denoising Based on Minimum Noise Variance Convex Combination with Difference-Based Noise Variance Estimation
Akira TANAKA Katsuya KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/10/01
Vol. E96-A  No. 10  pp. 2066-2070
Type of Manuscript:  LETTER
Category: Image
Keyword: 
image denoisingmulti-frameconvex combinationminimum variancevariance estimation
 Summary | Full Text:PDF(154.7KB)

Reduced Congestion Queuing: QoS Support for Optimizing Base Station Layout in Multihop Wireless Networks
Akira TANAKA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3779-3783
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
multihop wireless networkdelaypriority controlbase station densityjitterlatency
 Summary | Full Text:PDF(1.2MB)

Optimization Problem for Minimizing Density of Base Stations in Multihop Wireless Networks
Akira TANAKA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 2067-2072
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
multihop wireless networksbase station densityenergy consumptiondelaycost optimization
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Fast Parameter Selection Algorithm for Linear Parametric Filters
Akira TANAKA Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/12/01
Vol. E90-A  No. 12  pp. 2952-2956
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
linear filteringjoint diagonalizationparametric linear filterparameter selectionMoore-Penrose generalized inverse matrix
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A Unified Framework of Subspace Identification for D.O.A. Estimation
Akira TANAKA Hideyuki IMAI Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 419-428
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
D.O.A. estimationspatial correlation matrixsignal subspacenoise subspaceproper and improper eigenvectors
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A Compact Multi-Layered Wideband Bandpass Filter Exhibiting Left-Handed and Right-Handed Behaviors
Yasushi HORII Akira TANAKA Takefumi HAYASHI Yukio IIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/09/01
Vol. E89-C  No. 9  pp. 1348-1350
Type of Manuscript:  Special Section LETTER (Special Section on Metamaterials for Microwave and Millimeter-Wave Applications)
Category: 
Keyword: 
metamaterialleft-handedband pass filterultra-wideband
 Summary | Full Text:PDF(379.9KB)

On Formulations and Solutions in Linear Image Restoration Problems
Akira TANAKA Hideyuki IMAI Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 2144-2151
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image restorationformulation of the optimalityoptimization criterion
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Choosing the Parameter of Image Restoration Filters by Modified Subspace Information Criterion
Akira TANAKA Hideyuki IMAI Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/05/01
Vol. E85-A  No. 5  pp. 1104-1110
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
image restorationparametersubspace information criterionsquared errorunbiased estimator
 Summary | Full Text:PDF(728.9KB)

An Effective Dynamic Priority List for 2-Processor Scheduling of Program Nets
Qi-Wei GE Akira TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/03/01
Vol. E84-A  No. 3  pp. 755-762
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
program net2-processor schedulinghybrid priority listdynamic priority listgenetic algorithm
 Summary | Full Text:PDF(503.7KB)

The Family of Regularized Parametric Projection Filters for Digital Image Restoration
Hideyuki IMAI Akira TANAKA Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/03/25
Vol. E82-A  No. 3  pp. 527-534
Type of Manuscript:  PAPER
Category: Image Theory
Keyword: 
family of projection filtersfamily of parametric projection filtersregularization theory
 Summary | Full Text:PDF(312.1KB)

The Family of Parametric Projection Filters and Its Properties for Perturbation
Hideyuki IMAI Akira TANAKA Masaaki MIYAKOSHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/08/25
Vol. E80-D  No. 8  pp. 788-794
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
image restorationparametric filtersperturbation
 Summary | Full Text:PDF(454KB)