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IEICE Trans

Akira HIRABAYASHI

Modal Interval Regression Based on Spline Quantile Regression
Sai YAO Daichi KITAHARA Hiroki KURODA Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2023/02/01
Vol. E106-A  No. 2  pp. 106-123
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
regression analysis, modal interval, spline function, quantile regression, convex optimization, 
 Summary | Full Text:PDF
Image Super-Resolution via Generative Adversarial Networks Using Metric Projections onto Consistent Sets for Low-Resolution Inputs
Hiroya YAMAMOTO Daichi KITAHARA Hiroki KURODA Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2022/04/01
Vol. E105-A  No. 4  pp. 704-718
Type of Manuscript:  PAPER
Category: Image
Keyword: 
single image super-resolution, convolutional neural network, generative adversarial network, metric projection, consistent set, 
 Summary | Full Text:PDF
Multiclass Dictionary-Based Statistical Iterative Reconstruction for Low-Dose CT
Hiryu KAMOSHITA Daichi KITAHARA Ken'ichi FUJIMOTO Laurent CONDAT Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2021/04/01
Vol. E104-A  No. 4  pp. 702-713
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
low-dose CT, image reconstruction, sparse representation, fast dictionary learning, clustering, 
 Summary | Full Text:PDF
Toward Large-Pixel Number High-Speed Imaging Exploiting Time and Space Sparsity
Naoki NOGAMI Akira HIRABAYASHI Takashi IJIRI Jeremy WHITE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/06/01
Vol. E100-A  No. 6  pp. 1279-1285
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
high-speed camera, sparsity, compressed sensing, image completion, convex optimization, 
 Summary | Full Text:PDF
High-Quality Recovery of Non-Sparse Signals from Compressed Sensing — Beyond l1 Norm Minimization —
Akira HIRABAYASHI Norihito INAMURO Aiko NISHIYAMA Kazushi MIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/09/01
Vol. E98-A  No. 9  pp. 1880-1887
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing for Sensing and Diagnosis)
Category: 
Keyword: 
sparse signals, compressible signals, compressed sensing, l1-norm minimization, lasso, 
 Summary | Full Text:PDF
Complex Approximate Message Passing Algorithm for Two-Dimensional Compressed Sensing
Akira HIRABAYASHI Jumpei SUGIMOTO Kazushi MIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/12/01
Vol. E96-A  No. 12  pp. 2391-2397
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Image Processing
Keyword: 
compressed sensing, two-dimensional signal, approximate message passing, 
 Summary | Full Text:PDF
Sampling Signals with Finite Rate of Innovation and Recovery by Maximum Likelihood Estimation
Akira HIRABAYASHI Yosuke HIRONAGA Laurent CONDAT 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/10/01
Vol. E96-A  No. 10  pp. 1972-1979
Type of Manuscript:  Special Section PAPER (Special Section on Sparsity-aware Signal Processing)
Category: 
Keyword: 
signals with finite rate of innovation, sequence of Diracs, derivatives of Diracs, piecewise polynomials, maximum likelihood estimation, Cadzow denoising, 
 Summary | Full Text:PDF
Consistent Sampling and Signal Reconstruction in Noisy Under-Determined Case
Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/03/01
Vol. E95-A  No. 3  pp. 631-638
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
consistent sampling theorem, undersampling, minimum variance property, 
 Summary | Full Text:PDF
Sampling and Reconstruction of Periodic Piecewise Polynomials Using Sinc Kernel
Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1  pp. 322-329
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
piecewise polynomials, stream of Diracs, finite rate of innovation (FRI) signals, annihilating filter, 
 Summary | Full Text:PDF
Fast Surface Profiling by White-Light Interferometry Using Symmetric Spectral Optical Filter
Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 542-549
Type of Manuscript:  PAPER
Category: Measurement Technology
Keyword: 
surface profiling, white-light interferometry, in-phase component, symmetric spectral distribution, quadrature sampling, 
 Summary | Full Text:PDF
Image Magnification by a Compact Method with Preservation of Preferential Components
Akira HIRABAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/08/01
Vol. E90-A  No. 8  pp. 1534-1541
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from the 21st Symposium on Signal Processing)
Category: 
Keyword: 
image enhancement, image reconstruction, interpolation, 
 Summary | Full Text:PDF
Realization of Admissibility for Supervised Learning
Akira HIRABAYASHI Hidemitsu OGAWA Akiko NAKASHIMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/05/25
Vol. E83-D  No. 5  pp. 1170-1176
Type of Manuscript:  PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
supervised learning, generalization, training error, over-fitting, admissibility, 
 Summary | Full Text:PDF
Admissibility of Memorization Learning with Respect to Projection Learning in the Presence of Noise
Akira HIRABAYASHI Hidemitsu OGAWA Yukihiko YAMASHITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/02/25
Vol. E82-D  No. 2  pp. 488-496
Type of Manuscript:  PAPER
Category: Bio-Cybernetics and Neurocomputing
Keyword: 
feedforward neural network, generalization, training error, over-learning, admissibility, 
 Summary | Full Text:PDF