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IEICE Trans

Masaki KOBAYASHI

Modern Complex-Valued Hopfield Network for Associative Memory of Continuous and Periodic Patterns
Takanori HASHIMOTO Teijiro ISOKAWA Masaki KOBAYASHI Naotake KAMIURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/05/01
Vol. E109-A  No. 5  pp. 930-937
Type of Manuscript:  Special Section PAPER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
Hopfield networks, associative memory models, 
 Summary | Full Text:PDF
Three Dimensional Cyclic-Group-Ring-Valued Hopfield Networks
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2026/05/01
Vol. E109-A  No. 5  pp. 909-914
Type of Manuscript:  Special Section PAPER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
Hopfield networks, group theory, high-dimensional neural networks, algebra, 3D space, 
 Summary | Full Text:PDF
Algebraic Hopfield Network
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/09/01
Vol. E108-A  No. 9  pp. 1098-1104
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
Hopfield networks, neural networks, spin glass, operator algebra, ring theory, 
 Summary | Full Text:PDF
Quaternionic Vector Product Hopfield Network
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2025/05/01
Vol. E108-A  No. 5  pp. 714-716
Type of Manuscript:  Special Section LETTER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
Hopfield networks, vector product, high-dimensional neural networks, quaternion, 
 Summary | Full Text:PDF
Dielectric Measurement for Liquids Using a Coaxial-Feed Type Large-Bore Cut-Off Circular Waveguide with Good Repeatability
Kouji SHIBATA Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/03/01
Vol. E108-C  No. 3  pp. 164-168
Type of Manuscript:  BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
complex permittivity, input impedance, calibration, 
 Summary | Full Text:PDF
Simplification of Liquid Dielectric Property Evaluation Based on Comparison with Reference Materials and Electromagnetic Analysis Using the Cut-Off Waveguide Reflection Method
Kouji SHIBATA Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2017/10/01
Vol. E100-C  No. 10  pp. 908-917
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
dielectric measurement, liquid, coaxial line, mode-matching technique, electromagnetic analysis, 
 Summary | Full Text:PDF
Three-Dimensional Quaternionic Hopfield Neural Networks
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/07/01
Vol. E100-A  No. 7  pp. 1575-1577
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
Hopfield neural network, quaternion, three-dimension, rotation, 
 Summary | Full Text:PDF
Global Hyperbolic Hopfield Neural Networks
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/12/01
Vol. E99-A  No. 12  pp. 2511-2516
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
Hopfield neural networks, hyperbolic number, Clifford algebra, activation function, 
 Summary | Full Text:PDF
Uniqueness Theorem of Complex-Valued Neural Networks with Polar-Represented Activation Function
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/09/01
Vol. E98-A  No. 9  pp. 1937-1943
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
complex-valued neural networks, activation function, reducibility, uniqueness theorem, 
 Summary | Full Text:PDF
Hybrid Quaternionic Hopfield Neural Network
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/07/01
Vol. E98-A  No. 7  pp. 1512-1518
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
Hopfield neural networks, complex-valued associative memory, quaternion, rotational invariance, 
 Summary | Full Text:PDF
Complex-Valued Bipartite Auto-Associative Memory
Yozo SUZUKI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/08/01
Vol. E97-A  No. 8  pp. 1680-1687
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
complex-valued neural networks, Hopfield associative memory, bipartite graph, auto-associative memory, 
 Summary | Full Text:PDF
Bias Free Adaptive Notch Filter Based on Fourier Sine Series
Kazuki SHIOGAI Naoto SASAOKA Masaki KOBAYASHI Isao NAKANISHI James OKELLO Yoshio ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/02/01
Vol. E97-A  No. 2  pp. 557-564
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive signal processing, notch filter, exponential filter, 
 Summary | Full Text:PDF
A Composite Illumination Invariant Color Feature and Its Application to Partial Image Matching
Masaki KOBAYASHI Keisuke KAMEYAMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/10/01
Vol. E95-D  No. 10  pp. 2522-2532
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
color invariants, photometric invariants, illumination invariant color features, image matching, SIFT, RANSAC, CBIR, 
 Summary | Full Text:PDF
Noise Robust Gradient Descent Learning for Complex-Valued Associative Memory
Masaki KOBAYASHI Hirofumi YAMADA Michimasa KITAHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/08/01
Vol. E94-A  No. 8  pp. 1756-1759
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
complex-valued neural networks, associative memory, gradient descent learning, noise robustness, 
 Summary | Full Text:PDF
Boltzmann Machines with Identified States
Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 887-890
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
boltzmann machine, neural network, boltzmann learning, information geometry, em algorithm, 
 Summary | Full Text:PDF
Parallel Composition Based Adaptive Notch Filter: Performance and Analysis
Arata KAWAMURA Yoshio ITOH James OKELLO Masaki KOBAYASHI Yutaka FUKUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/07/01
Vol. E87-A  No. 7  pp. 1747-1755
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filter, convergence performance, frequency estimation, bias, 
 Summary | Full Text:PDF
An Adaptive Algorithm for Cascaded Notch Filter with Reduced Bias
James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 589-596
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filter, frequency estimation, bias, 
 Summary | Full Text:PDF
Robust DSP Type Squaring Loop with Adaptive Notch Filter Type Frequency Estimator and Adaptive BPF
Shigeki OBOTE Yasuaki SUMI Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 441-448
Type of Manuscript:  Special Section PAPER (Special Section on Noise Cancellation and Reduction Techniques)
Category: Narrow-Band Interference Cancellation
Keyword: 
squaring loop, coherent detection, BPSK, adaptive notch filter, frequency estimator, 
 Summary | Full Text:PDF
On the Necessity of Estimating the Transfer Level in an Allpass-FIR ADF by the Use of Lyapunov Criteria
James OKELLO Shin'ichi ARITA Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/05/25
Vol. E83-A  No. 5  pp. 888-894
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
allpass filter, transfer level, Lyapunov criteria, 
 Summary | Full Text:PDF
A Newton Based Adaptive Algorithm for IIR ADF Using Allpass and FIR Filter
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/07/25
Vol. E82-A  No. 7  pp. 1305-1313
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive IIR filter, system identification, Newton algorithm, LMS algorithm, 
 Summary | Full Text:PDF
A Simple Algorithm for Adaptive Allpass-FIR Digital Filter Using Lattice Allpass Filter with Minimum Multipliers
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/01/25
Vol. E82-A  No. 1  pp. 138-144
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filter, lattice IIR filter, allpass filter, orthogonality, residue theorem, 
 Summary | Full Text:PDF
A New Linear Prediction Filter Based Adaptive Algorithm For IIR ADF Using Allpass and Minimum Phase System
James OKELLO Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/01/25
Vol. E81-A  No. 1  pp. 123-130
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive IIR filter, system identification, adaptive algorithm, linear predictor filter, signal decorrelation, 
 Summary | Full Text:PDF
Design of Digital Filters Simulating an LCR Filter with Node Equation
Hazaoud AHMED Etsuro HAYAHARA Masaki KOBAYASHI Yoshio ITOH 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/08/25
Vol. E68-E  No. 8  pp. 535-539
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF