Hiroki TAMURA


A Low-Power and High-Linear Current to Time Converter for Wireless Sensor Networks
Ryota SAKAMOTO  Koichi TANNO  Hiroki TAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/06/01
Vol. E95-A  No. 6  pp. 1088-1090
Type of Manuscript: LETTER
Category: Circuit Theory
Keyword: 
current to time convertertemperature sensoranalog to digital converterCMOS analog circuit
  Summary |  Full Text:PDF (297.8KB)

Optimization and Verification of Current-Mode Multiple-Valued Digit ORNS Arithmetic Circuits
Motoi INABA  Koichi TANNO  Hiroki TAMURA  Okihiko ISHIZUKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/08/01
Vol. E93-D  No. 8  pp. 2073-2079
Type of Manuscript: Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: Multiple-Valued VLSI Technology
Keyword: 
multiple-valued logicoverlap resolution number systemcurrent-mode circuitweak-inversion region
  Summary |  Full Text:PDF (677.3KB)

Low-Voltage, Wide-Common-Mode-Range and High-CMRR CMOS OTA
Hisashi TANAKA  Koichi TÁNNO  Ryota MIWA  Hiroki TAMURA  Kenji MURAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/05/01
Vol. E93-A  No. 5  pp. 936-941
Type of Manuscript: PAPER
Category: Analog Signal Processing
Keyword: 
weak inversion regionvoltage-to-current converterlow-voltagelow-powerhigh-linearity
  Summary |  Full Text:PDF (851.8KB)

A Multi-Layered Immune System for Graph Planarization Problem
Shangce GAO  Rong-Long WANG  Hiroki TAMURA  Zheng TANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/12/01
Vol. E92-D  No. 12  pp. 2498-2507
Type of Manuscript: PAPER
Category: Biocybernetics, Neurocomputing
Keyword: 
artificial immune systemmulti-layeredgraph planarizationestimationfeature
  Summary |  Full Text:PDF (475.3KB)

Design of CMOS OTAs for Low-Voltage and Low-Power Application
Hisashi TANAKA  Koichi TANNO  Hiroki TAMURA  Kenji MURAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3385-3388
Type of Manuscript: LETTER
Category: Analog Signal Processing
Keyword: 
weak inversion regionOTAlow-voltagelow-powerhigh-linearity
  Summary |  Full Text:PDF (258.2KB)

Midpoint-Validation Method for Support Vector Machine Classification
Hiroki TAMURA  Koichi TANNO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/07/01
Vol. E91-D  No. 7  pp. 2095-2098
Type of Manuscript: LETTER
Category: Biocybernetics, Neurocomputing
Keyword: 
support vector machinemidpoint-validationpattern classification problem
  Summary |  Full Text:PDF (259.4KB)

Objective Function Adjustment Algorithm for Combinatorial Optimization Problems
Hiroki TAMURA  Zongmei ZHANG  Zheng TANG  Masahiro ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2441-2444
Type of Manuscript: LETTER
Category: Numerical Analysis and Optimization
Keyword: 
guided local searchlocal searchobjective function adjustmentTabu search
  Summary |  Full Text:PDF (576.7KB)

Affinity Based Lateral Interaction Artificial Immune System
Hongwei DAI  Zheng TANG  Yu YANG  Hiroki TAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/04/01
Vol. E89-D  No. 4  pp. 1515-1524
Type of Manuscript: PAPER
Category: Human-computer Interaction
Keyword: 
immune systemsaffinityartificial immune systempattern recognition
  Summary |  Full Text:PDF (459.1KB)

Avoiding the Local Minima Problem in Backpropagation Algorithm with Modified Error Function
Weixing BI  Xugang WANG  Zheng TANG  Hiroki TAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3645-3653
Type of Manuscript: PAPER
Category: Neural Networks and Bioengineering
Keyword: 
backpropagationlearninglocal minimamodified error function
  Summary |  Full Text:PDF (549.3KB)

An Expanded Maximum Neural Network with Chaotic Dynamics for Cellular Radio Channel Assignment Problem
Jiahai WANG  Zheng TANG  Hiroki TAMURA  Xinshun XU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 2092-2099
Type of Manuscript: PAPER
Category: Nonlinear Problems
Keyword: 
channel assignment problemexpanded maximum neural networktransient chaosNP-complete problem
  Summary |  Full Text:PDF (920.1KB)

An Improved Artificial Immune Network Model
Wei-Dong SUN  Zheng TANG  Hiroki TAMURA  Masahiro ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/06/01
Vol. E87-A  No. 6  pp. 1632-1640
Type of Manuscript: PAPER
Category: Neural Networks and Bioengineering
Keyword: 
immune responsefuzzy immune theoryimmune networkpattern classificationpattern recognition
  Summary |  Full Text:PDF (2.1MB)

An Artificial Immune System Architecture and Its Applications
Wei-Dong SUN  Zheng TANG  Hiroki TAMURA  Masahiro ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1858-1868
Type of Manuscript: PAPER
Category: Neural Networks and Bioengineering
Keyword: 
immune theoryimmune networkimmune responsepattern recognitionpattern classification
  Summary |  Full Text:PDF (822.8KB)

Multilayer Network Learning Algorithm Based on Pattern Search Method
Xu-Gang WANG  Zheng TANG  Hiroki TAMURA  Masahiro ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1869-1875
Type of Manuscript: PAPER
Category: Neural Networks and Bioengineering
Keyword: 
multilayer neural networkspattern search methodbackpropagationlearning
  Summary |  Full Text:PDF (275.5KB)