Hitoaki YOSHIDA

J-GLOBAL         Last updated: Oct 18, 2018 at 18:21
 
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Name
Hitoaki YOSHIDA
E-mail
hitoakiiwate-u.ac.jp
Affiliation
Iwate University
Job title
Professor

Research Areas

 
 

Published Papers

 
Satoshi Kawamura,Hitoaki Yoshida
Trends in Applied Knowledge-Based Systems and Data Science - 29th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2016, Morioka, Japan, August 2-4, 2016, Proceedings   574-586   2016   [Refereed]
Hitoaki Yoshida,Takeshi Murakami,Taiki Inao,Satoshi Kawamura
Trends in Applied Knowledge-Based Systems and Data Science - 29th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2016, Morioka, Japan, August 2-4, 2016, Proceedings   587-598   2016   [Refereed]
Satoshi Kawamura,Masato Saito,Hitoaki Yoshida
Trends in Applied Knowledge-Based Systems and Data Science - 29th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2016, Morioka, Japan, August 2-4, 2016, Proceedings   9799 620-629   2016   [Refereed]
Hitoaki Yoshida,Takeshi Murakami,Zhongda Liu
New Trends on System Sciences and Engineering - Proceedings of ICSSE 2015 [International Conference on System Science and Engineering, Morioka, Japan, July 6-8 2015]   224-237   2015   [Refereed]
Dengfeng Zhang,Naoshi Nakaya,Yuuji Koui,Hitoaki Yoshida
IEICE Transactions   92-B(4) 1119-1127   2009   [Refereed]

Misc

 
劉 忠達, 川村 暁, 吉田 等明
石巻専修大学研究紀要 = Bulletin of Ishinomaki Senshu University   (29) 9-15   Mar 2018
劉 忠達, 村上 武, 川村 暁, 吉田 等明
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報   117(272) 107-112   Nov 2017
YOSHIDA Hitoaki, MURAKAMI Takeshi, KAWAMURA Satoshi
IEICE technical report. Nonlinear problems   112(301) 13-18   Nov 2012
NIST Special Publication 800-22, Statistical Test Suite for Random and Pseudo-random Number Generators for Cryptographic Applications is known as a standard test suite. A standard for final decision, however, is not clear in the document, and some...
遠藤 教昭, 中西 貴裕, 吉田 等明
Journal for academic computing and networking   (14) 97-104   2010
吉田 等明, 劉 忠達, 中西 貴裕
Journal for academic computing and networking   (14) 171-175   2010
MIZUNO Yuto, KAWAMURA Satoshi, MURAKAMI Takeshi, YOSHIDA Hitoaki
IEICE technical report   109(354) 1-6   Dec 2009
We have developed chaos neural networks (CNN) and applied to a cryptosystem. The time series of CNN outputs divides into a deterministic-fractal time series and a random-number series. We have developed novel chaos generation methods based on the ...
KOMORI Toru, YI Haibo, NAKANISHI Takahiro, MURAKAMI Takeshi, YOSHIDA Hitoaki
IEICE technical report   109(354) 53-58   Dec 2009
We have developed chaos neural networks (CNN) and applied to a cryptosystem. In this paper, behavior of CNN has been analyzed with approximate functions that are Topological Orbital Equivalence (TOE) to a sigmoid function.
KAWAMURA Satoshi, TADANO Kazuya, MURAKAMI Takeshi, YOSHIDA Hitoaki, MIURA Mamoru
IEICE technical report   109(124) 145-150   Jul 2009
About general purpose pseudorandom number generators (PRNG) and PRNGs based on the chaotic map, random number characteristics are evaluated. NIST SP 800-22 test suite and diehard test suite are used for the validation of the randomness each PRNGs....
KAWAMURA Satoshi, TADANO Kazuya, MURAKAMI Takeshi, YOSHIDA Hitoaki, MIURA Mamoru
IEICE technical report   109(125) 145-150   Jul 2009
About general purpose pseudorandom number generators (PRNG) and PRNGs based on the chaotic map, random number characteristics are evaluated. NIST SP 800-22 test suite and diehard test suite are used for the validation of the randomness each PRNGs....
川村 暁, 佐々木 慶文, 廣井 富, 村上 武, 吉田 等明, 三浦 守
Bulletin of Ishinomaki Senshu University   20 7-16   Feb 2009
遠藤 教昭, 中西 貴裕, 吉田 等明
Journal for academic computing and networking   (13) 32-39   2009
MURAKAMI Takeshi, YOSHIDA Hitoaki, KAWAMURA Satoshi
IEICE technical report   108(240) 31-34   Oct 2008
We have developed chaos neural networks (CNN) and applied to a cryptosystem. This work focuses on a period of deterministic chaos generated with a computer. In this paper, the period and the time until the periodic solution is generated of the CNN...
TAKIZAKI Tetsuya, YOSHIDA Hitoaki
IEICE technical report   108(240) 25-30   Oct 2008
The transition state of chaos to use the chaos neural network has been studied in this laboratory. To confirm generality other chaos time series have been analyzed. In this work, we report result of examining the Lorenz chaos. The safety of the ci...
TAKAHASHI Naoto, YOSHIDA Hitoaki
IEICE technical report   108(240) 19-24   Oct 2008
We have studied on the transition state of chaos.It shows that sets of adjoining initial points do regular behavior although sensitive depending on initial condition. The safety of the chaos cipher is verified with researching the attack technique...
TAKAHASHI Naoto, YOSHIDA Hitoaki
IEICE technical report   108(239) 19-24   Oct 2008
We have studied on the transition state of chaos.It shows that sets of adjoining initial points do regular behavior although sensitive depending on initial condition. The safety of the chaos cipher is verified with researching the attack technique...
KAKIZAKI Tetsuya, YOSHIDA Hitoaki
IEICE technical report   108(239) 25-30   Oct 2008
The transition state of chaos to use the chaos neural network has been studied in this laboratory. To confirm generality other chaos time series have been analyzed. In this work, we report result of examining the Lorenz chaos. The safety of the ci...
MURAKAMI Takeshi, YOSHIDA Hitoaki, KAWAMURA Satoshi
IEICE technical report   108(239) 31-34   Oct 2008
We have developed chaos neural networks (CNN) and applied to a cryptosystem. This work focuses on a period of deterministic chaos generated with a computer. In this paper, the period and the time until the periodic solution is generated of the CNN...
Murakami Takeshi, Kawamura Satoshi, Yoshida Hitoaki
IEICE technical report   107(560) 21-26   Mar 2008
We have developed chaos neural networks (CNN) and applied to a cryptosystem. This work focuses on a period of deterministic chaos generated with a computer. The period of the CNN output orbital decreases with the accuracy of the CNN output. The re...
KAWAMURA Satoshi, HIROI Yutaka, MURAKAMI Takeshi, YOSHIDA Hitoaki, MIURA Mamoru
Bulletin of Ishinomaki Senshu University   19 9-16   Feb 2008
Recently, requirement to support advanced usage is increasing in the field of embedded systems. There are many different CPU architectures used in embedded systems such as Renesas H8, SH and ARM. However, few quantitative investigations have been ...
遠藤 教昭, 中西 貴裕, 吉田 等明
Journal for academic computing and networking   (12) 20-30   2008
吉田 等明, 佐藤 由久, 遠藤 教昭
Journal for academic computing and networking   (11) 33-41   2007
Yoshida Hitoaki, Amaki Keiko, Nakanishi Takahiro, Endo Noriaki, Hara Michihiro
Computer & Education   21(0) 24-29   2006
Questionnaire surveys about the curriculum"Information Study"in senior high schools were enforced and analyzed in Iwate University. According to the result, we make a proposal about fundamental education of information science as university educat...
OHIRA Osamu, NIHEI Yasutaka, NAKANISHI Takahiro, YOSHIDA Hitoaki
IEICE technical report   105(418) 37-42   Nov 2005
We have been reported on the chaos neural network (CNN) which consists of normal neurons and can generate chaotic outputs. In this paper, we reports time series analysis on higher bits and lower bits of fixed decimal outputs from CNN as independen...
OHIRA Osamu, NIHEI Yasutaka, NAKANISHI Takahiro, YOSHIDA Hitoaki
IEICE technical report   105(416) 37-42   Nov 2005
We have been reported on the chaos neural network (CNN) which consists of normal neurons and can generate chaotic outputs. In this paper, we reports time series analysis on higher bits and lower bits of fixed decimal outputs from CNN as independen...
KOIKE RYUITI, NAKAYA NAOSHI, HAGIHARA YUKARI, KOUI YUUJI, TAKAKURA HIROKI, YOSHIDA HITOAKI
IPSJ journal   46(8) 1984-1996   Aug 2005
Unique patterns called signature are needed to detect the computer viruses by the pattern matching method. However, it takes time to generate the signatures because it is necessary for the signatures to be updated by human hands. Therefore, unknow...
NAKAYA NAOSHI, KOIKE RYUITI, KOUI YUUJI, YOSHIDA HITOAKI
IPSJ journal   45(8) 1908-1920   Aug 2004
By the recent enhancement of network, the computer viruses which use e-mail are increasing explosively. These computer viruses do damage broadly even short time by abusing e-mail. There is infringement of privacy like the leakage of the addresses ...
NIHEI Yasutaka, NAKANISHI Takahiro, YOSHIDA Hitoaki
IEICE technical report. Nonlinear problems   104(50) 7-10   May 2004
In this paper, chaotic outputs from structurally different CNNs were analyzed as a time series. Results of analysis give good agreement with the basic properties of CNN outputs, and also show the difference caused by difference on structure of CNNs.
KAWAMURA Satoshi, YOSHIDA Hitoaki, MIURA Mamoru
IEICE technical report. Nonlinear problems   104(50) 29-34   May 2004
In this paper, we propose a pseudo random number generators (PRNG) using the chaos neural network (CNN). In the proposed method, lower 8 bits in a fixed-point part of chaos map is extracted as a pseudo random number. The pseudo-random number gener...
KOIKE Ryuiti, NAKAYA Naoshi, KOUI Yuuji, YOSHIDA Hitoaki
Technical report of IEICE. ISEC   103(499) 53-60   Dec 2003
By the recent enhancement of network, the computer virus which uses E-Mail is explosive increasing. The computer virus attacks computers in the world, infection is spread to the government, corporations and home. Generally, unique pattern called s...
KAWAMURA Satoshi, YOSHIDA Hitoaki, MIURA Mamoru
IEICE technical report. Nonlinear problems   103(37) 7-12   May 2003
This paper deals with a pseudo random number generator (PRNG) based on chaos neural network (CNN) which has been already proposed by the authors. In order to evaluate the performance of the PRNG based on CNN, other chaotic maps are used for genera...
KAWAMURA Satoshi, YOSHIDA Hitoaki, MIURA Mamoru
The Transactions of the Institute of Electronics,Information and Communication Engineers. A   84(5) 586-594   May 2001
出力がカオスであるニューラルネットワークについての研究は多数なされているが、それらは、カオス応答のために特別に設計されたニューロンモデルやネットワークモデルを用いており、一般的なモデルを用いた研究はほとんど行われていない。本論文では、ホップフィールドネットワークなどで通常用いられるニューロンモデルにより構成されたニューラルネットワークの振動現象について検討した。その結果、2個のニューロンから成るネットワークにおける動作状態は、収束または周期振動のいずれかであることを理論的かつ実験的に明らか...
KAWAMURA Satoshi, NISHIMURA Satoshi, YOSHIDA Hitoaki, MIURA Mamoru
Proceedings of the IEICE General Conference   2001    Mar 2001
KAWAMURA Satoshi, IKEDA Naoya, YOSHIDA Hitoaki, MIURA Mamoru
IPSJ SIG Notes   2000(80) 31-36   Sep 2000
This paper deals with basic characteristics of cryptosystem using chaos neural network(CNN Cipher), already proposed. At first, a distinctive feature of chaos in the CNN is described. Next, computational-time complexity of the CNN Cipher is consid...
SAKAI Hajime, YOSHIDA Hitoaki, WATANABE Masakuni, ISHIBASHI Kazuhiko, WATANABE Keiko, YANAGIDA Hisaya
情報処理学会研究報告コンピュータと教育(CE)   2000(20) 57-64   Feb 2000
去る1999/11/20(土)、岩手県・花巻温泉において「教育と地域の情報化を考えるシンポジウム(略称:SPER99 in HANAMAKI)」が開催され、東北地方を中心に120名を越す初中高等教育関係者及びネットワーク事業関係者が参集した。ボランティアによる手作りから始まった、このシンポジウムの実施内容及び開催に至る組織・準備内容等について報告する。Symposium on Practical Education and Regional Community of Information...
SAKAI Hajime, YOSHIDA Hitoaki, WATANABE Masakuni, ISHIBASHI Kazuhiko, WATANABE Keiko, YANAGIDA Hisaya
IPSJ SIG Notes   2000(20) 57-64   Feb 2000
"Symposium on Practical Education and Regional Community of Information"(SPER99 in Hanamaki)was held at Hanamaki Onsen in Iwate Prefecture(20 Nov. 1999). More than 120 attendances (mainly from Tohoku Area)had enthusiastically discussed until midni...
KAWAMURA Satoshi, YOSHIDA Hitoaki, TSUNEKAWA Yoshitaka, MIURA Mamoru
IEICE technical report. Neurocomputing   98(673) 67-74   Mar 1999
Recently, chaos has attracted special interest and widely studied also in an artificial neural network (ANN) field. Most studies need some special condition or a special neuron, we, however, have studied a chaos neural network that consists of con...
Kobayashi Tomokazu, Yoshida Hitoaki, Tsunekawa Yoshitaka, Miura Mamoru
Proceedings of the IEICE General Conference   1999(1) 321-322   Mar 1999
Yoshida Hitoaki, Miura Mamoru
IEICE technical report. Circuits and systems   93(510) 45-52   Mar 1994
The enantiomers are separated from their mixture in the neural network system.The separated chiral network shows a characteristic function in every case.To lower the symmetry of the chiral network produces more superior functions.The special funct...
Urita Kenji, Yoshida Hitoaki, Miura Mamoru, Chiba Norishige
IEICE technical report. Circuits and systems   93(510) 53-58   Mar 1994
We have been already developed a PAN(Periodic Alternate Neuron) model with a cyclic discrete output function,for improving the function of RNS(Residue Number System)neuron model.This paper discusses a real type PAN model with a cyclic continuous o...
吉田等明, 安藤亘
基礎有機化学連合討論会予稿集   10th 171-172   Sep 1990