Theory of Acceleration of Decision‐Making by Correlated Time Sequences
N Okada, T Yamagami, N Chauvet, Y Ito… - …, 2022 - Wiley Online Library
Photonic accelerators have been intensively studied to provide enhanced information
processing capability to benefit from the unique attributes of physical processes. Recently, it …
processing capability to benefit from the unique attributes of physical processes. Recently, it …
Design of binary sequences with tunable exponential autocorrelations and run statistics based on one-dimensional chaotic maps
A Tsuneda - IEEE Transactions on Circuits and Systems I …, 2005 - ieeexplore.ieee.org
This paper describes simple design methods of chaotic binary sequences with prescribed
exponential autocorrelation properties and run statistics. We employ one-dimensional …
exponential autocorrelation properties and run statistics. We employ one-dimensional …
Blind source separation of chaotic laser signals by independent component analysis
M Kuraya, A Uchida, S Yoshimori, K Umeno - Optics Express, 2008 - opg.optica.org
We experimentally demonstrate blind source separation of chaos generated in Nd: YVO_4
microchip solid-state lasers by using independent component analysis. Two chaotic source …
microchip solid-state lasers by using independent component analysis. Two chaotic source …
Performance analysis of complex CDMA using complex chaotic spreading sequence with constant power
R Takahashi, K Umeno - IEICE transactions on fundamentals of …, 2009 - search.ieice.org
A performance of the complex chaotic spreading sequences with constant power is
investigated in a chip-synchronous complex CDMA with a complex scrambling. We estimate …
investigated in a chip-synchronous complex CDMA with a complex scrambling. We estimate …
Solvable performances of optimization neural networks with chaotic noise and stochastic noise with negative autocorrelation
M Hasegawa, K Umeno - International Conference on Neural Information …, 2007 - Springer
By adding chaotic sequences to a neural network that solves combinatorial optimization
problems, its performance improves much better than the case that random number …
problems, its performance improves much better than the case that random number …
Theory and applications of chaotic optimization methods
T Ikeguchi, M Hasegawa, T Kimura, T Matsuura… - … Computing Methods and …, 2011 - Springer
Introduction In our society, various combinatorial optimization problems exist and we must
often solve them, for eg scheduling, delivery planning, circuit design, and computer wiring …
often solve them, for eg scheduling, delivery planning, circuit design, and computer wiring …
Realizing ideal spatiotemporal chaotic searching dynamics for optimization algorithms using neural networks
M Hasegawa - International Conference on Neural Information …, 2010 - Springer
This paper proposes an optimization algorithm, which utilizes ideal spatiotemporal chaotic
dynamics for solution search in a high dimensional solution space. Such chaotic dynamics is …
dynamics for solution search in a high dimensional solution space. Such chaotic dynamics is …
[PDF][PDF] Independent component analysis of mixed chaotic signals for communications systems
K Umeno - NONLINEAR PHENOMENA IN COMPLEX SYSTEMS …, 2007 - academia.edu
Code Division Multiple Access (CDMA) is a currently used data transmission technique for
the third generation mobile communication system. In CDMA, each user is assigned a …
the third generation mobile communication system. In CDMA, each user is assigned a …
Improving performance of heuristic algorithms by lebesgue spectrum filter
M Hasegawa - IEICE Transactions on Communications, 2016 - search.ieice.org
The previous researches on the chaotic CDMA have theoretically derived the chaotic
sequences having the minimum asynchronous cross-correlation. To minimize the …
sequences having the minimum asynchronous cross-correlation. To minimize the …
[PDF][PDF] Generating complete orthogonal spreading sequences by equivariant adaptive separation via independence for CDMA
It is found that the spreading sequences which have the almost complete orthogonality
obtained by the FastICA, one of the Independent Component Analysis (ICA) algorithms, can …
obtained by the FastICA, one of the Independent Component Analysis (ICA) algorithms, can …