Koichi ITO


Temperature Analysis of Liver Tissue in Microwave Coagulation Therapy Considering Tissue Dehydration by Heating
Yuta ENDO Kazuyuki SAITO Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 257-265
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
dielectric constantswater content ratiobiological tissuemicrowave coagulation therapy
 Summary | Full Text:PDF(1.7MB)

Small Antennas Used in the Vicinity of Human Body
Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 9-18
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
Keyword: 
wearable antennaimplantable antennabody-centric wireless communicationsRFIDhyperthermiamedical devicehuman bodyphantom
 Summary | Full Text:PDF(3.4MB)

Phase-Based Window Matching with Geometric Correction for Multi-View Stereo
Shuji SAKAI Koichi ITO Takafumi AOKI Takafumi WATANABE Hiroki UNTEN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/10/01
Vol. E98-D  No. 10  pp. 1818-1828
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
multi-view stereowindow matchinggeometric correctionphase-only correlation
 Summary | Full Text:PDF(2.9MB)

Variability of Specific Absorption Rate of Human Body for Various Configurations of Tablet Computer in Vicinity of Abdomen
Akihiro TATENO Tomoaki NAGAOKA Kazuyuki SAITO Soichi WATANABE Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7  pp. 1173-1181
Type of Manuscript:  Special Section PAPER (Special Section on Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'14/Tokyo)
Category: 
Keyword: 
specific absorption rate (SAR)wireless radio terminalsnumerical models of humanfinite-difference time-domain (FDTD) method
 Summary | Full Text:PDF(4.2MB)

Specific Absorption Rates and Temperature Elevations due to Wireless Radio Terminals in Proximity to a Fetus at Gestational Ages of 13, 18, and 26 Weeks
Akihiro TATENO Shimpei AKIMOTO Tomoaki NAGAOKA Kazuyuki SAITO Soichi WATANABE Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2175-2183
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
fetusspecific absorption rate (SAR)temperature elevationwireless radio terminalsfinite-difference time-domain (FDTD) method
 Summary | Full Text:PDF(3.8MB)

Magnetic Field Homogeneity of Birdcage Coil for 4T MRI System with No Lumped Circuit Elements
Ryotaro SUGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/04/01
Vol. E97-B  No. 4  pp. 791-797
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
magnetic resonance imaging (MRI)birdcage coilfinite-difference time-domain (FDTD) methodbiological tissue-equivalent phantom
 Summary | Full Text:PDF(2.2MB)

Design of Miniature Implantable Tag Antenna for Radio-Frequency Identification System at 2.45GHz and Received Power Analysis
HoYu LIN Masaharu TAKAHASHI Kazuyuki SAITO Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/01/01
Vol. E97-B  No. 1  pp. 129-136
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
RFIDin-body wireless communicationimplantable tag antennahuman body phantomreceived power
 Summary | Full Text:PDF(2.7MB)

Generation of Controllable Heating Patterns for Interstitial Microwave Hyperthermia by Coaxial-Dipole Antennas
Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/09/01
Vol. E96-C  No. 9  pp. 1178-1183
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
hyperthermiamicrowave heatinginternal heatingcontrollable heating patternarray applicator
 Summary | Full Text:PDF(1.4MB)

Development of RFID Antenna for Detection of Urination
Hiromasa NAKAJIMA Masaharu TAKAHASHI Kazuyuki SAITO Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/09/01
Vol. E96-B  No. 9  pp. 2244-2250
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
biological tissue-equivalent solid phantompaper diaperradio frequency identification (RFID)urinationfinite-difference time-domain (FDTD) method
 Summary | Full Text:PDF(2.7MB)

Fast and Robust 3D Correspondence Matching and Its Application to Volume Registration
Yuichiro TAJIMA Kinya FUDANO Koichi ITO Takafumi AOKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/04/01
Vol. E96-D  No. 4  pp. 826-835
Type of Manuscript:  Special Section PAPER (Special Section on Medical Imaging)
Category: Medical Image Processing
Keyword: 
CTMRIregistrationphase-only correlationGPU
 Summary | Full Text:PDF(1.7MB)

Small Multi-Band Antenna with Tuning Function for Body-Centric Wireless Communications
Chia-Hsien LIN Zhengyi LI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3074-3080
Type of Manuscript:  Special Section PAPER (Special Section on Medical Information Communication Technology for Disaster Recovery and Human Health Care Support)
Category: 
Keyword: 
body-centric wireless communications (BCWCs)planar inverted-F antenna (PIFA)industrial-scientific-medical (ISM)WiMAX
 Summary | Full Text:PDF(3.2MB)

Experimental Evaluation of SAR around an Implanted Cardiac Pacemaker Caused by Mobile Radio Terminal
Yuta ENDO Kazuyuki SAITO Soichi WATANABE Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 2129-2132
Type of Manuscript:  LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
implanted cardiac pacemakerSARphantomFDTDPIFA
 Summary | Full Text:PDF(679.5KB)

Proper Derivation of Equivalent-Circuit Expressions of Intra-Body Communication Channels Using Quasi-Static Field
Nozomi HAGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 51-59
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antennas
Keyword: 
intra-body communicationsquasi-static approximationequivalent circuitboundary value problem
 Summary | Full Text:PDF(1.5MB)

Small Wearable Antenna with Folded Ground for Body-Centric Wireless Communications
Zhengyi LI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 109-112
Type of Manuscript:  Special Section LETTER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antennas
Keyword: 
wearable antennafolded groundbody-centric wireless communicationsplanar inverted-F antenna
 Summary | Full Text:PDF(1.5MB)

Theoretical Estimation of Scattering Waves in Transverse Section of Upper Body for On-Body Wireless Communications
Changyong SEO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2601-2610
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Electromagnetic Analysis
Keyword: 
lossy-dielectric circular cylinderon-body wireless communicationsscattering waves
 Summary | Full Text:PDF(887KB)

A Deformed-Film UWB Antenna
Ning GUAN Hiroiku TAYAMA Hirotaka FURUYA David DELAUNE Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2531-2537
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Antennas
Keyword: 
ultra-wideband antennafilm antennadeformation
 Summary | Full Text:PDF(1.5MB)

Score-Level Fusion of Phase-Based and Feature-Based Fingerprint Matching Algorithms
Koichi ITO Ayumi MORITA Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/03/01
Vol. E93-A  No. 3  pp. 607-616
Type of Manuscript:  PAPER
Category: Image
Keyword: 
fingerprint recognitionphase-only correlationfeature-based matchingcombination of matchersscore-level fusionbiometrics
 Summary | Full Text:PDF(844.1KB)

Simple Switched-Beam Array Antenna System for Mobile Satellite Communications
BASARI M. Fauzan E. PURNOMO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3861-3868
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna systemETS-VIIIsatellite-trackingmicrostrip patch array antennaoutdoor measurement
 Summary | Full Text:PDF(981.2KB)

Realization of Simple Antenna System Using ETS-VIII Satellite for Land Vehicle Communications
BASARI M. Fauzan E. PURNOMO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/11/01
Vol. E92-B  No. 11  pp. 3375-3383
Type of Manuscript:  Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008)
Category: 
Keyword: 
antenna systemland vehicle satellite communicationETS-VIIIsatellite-trackingfield experiment
 Summary | Full Text:PDF(1.5MB)

A Robust 3D Face Recognition Algorithm Using Passive Stereo Vision
Akihiro HAYASAKA Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/04/01
Vol. E92-A  No. 4  pp. 1047-1055
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies Emerging Mainly from the 21st Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
biometricsface recognition3D facefacial expressionphase-only correlation
 Summary | Full Text:PDF(3.1MB)

SAR Computation inside Fetus by RF Coil during MR Imaging Employing Realistic Numerical Pregnant Woman Model
Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO Hiroo IKEHIRA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/02/01
Vol. E92-B  No. 2  pp. 431-439
Type of Manuscript:  Special Section PAPER (Special Section on Medical Information and Communications Technologies)
Category: 
Keyword: 
magnetic resonance imaging (MRI)birdcage coilpregnant womanfetusspecific absorption rate (SAR)
 Summary | Full Text:PDF(1.5MB)

High-Accuracy Estimation of Image Rotation Using 1D Phase-Only Correlation
Sei NAGASHIMA Koichi ITO Takafumi AOKI Hideaki ISHII Koji KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1  pp. 235-243
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
image registrationrotation estimationphase correlation
 Summary | Full Text:PDF(960KB)

An Image Completion Algorithm Using Occlusion-Free Images from Internet Photo Sharing Sites
Hanieh AMIRSHAHI Satoshi KONDO Koichi ITO Takafumi AOKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2918-2927
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image Processing
Keyword: 
image completionimage analysisimage compostingimage processingdatabase searching
 Summary | Full Text:PDF(1.2MB)

A Passive 3D Face Recognition System and Its Performance Evaluation
Akihiro HAYASAKA Takuma SHIBAHARA Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 1974-1981
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing)
Category: 
Keyword: 
biometricsface recognitionphase-only correlationstereo vision3D measurement
 Summary | Full Text:PDF(2MB)

A Palmprint Recognition Algorithm Using Phase-Only Correlation
Koichi ITO Takafumi AOKI Hiroshi NAKAJIMA Koji KOBAYASHI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/04/01
Vol. E91-A  No. 4  pp. 1023-1030
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 20th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
biometricspalmprint recognitionsecurityimage recognitionphase-only correlation
 Summary | Full Text:PDF(2.9MB)

A Dental Radiograph Recognition System Using Phase-Only Correlation for Human Identification
Koichi ITO Akira NIKAIDO Takafumi AOKI Eiko KOSUGE Ryota KAWAMATA Isamu KASHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/01/01
Vol. E91-A  No. 1  pp. 298-305
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Biometrics
Keyword: 
dental biometricsdental radiographimage registrationimage matchingphase-only correlationbiometrics
 Summary | Full Text:PDF(2MB)

A Circular Aperture Array Configuration with a Small Antenna Radius
Takanori NORO Yasuhiro KAZAMA Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2271-2279
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
array configurationuniform arrangementpatch antennas helical antennas
 Summary | Full Text:PDF(1.6MB)

Characteristics of a Deformed Antenna Made of Flexible Printed Circuit
Hirotaka FURUYA Ning GUAN Kuniharu HIMENO Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2225-2229
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
antennaflexible printed circuitdeformationPIFA
 Summary | Full Text:PDF(713.6KB)

Basic Study on an Antenna Made of a Transparent Conductive Film
Ning GUAN Hirotaka FURUYA Kuniharu HIMENO Kenji GOTO Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2219-2224
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
antennatransparent conductive film
 Summary | Full Text:PDF(919.7KB)

Circularly Polarized Printed Antenna Combining Slots and Patch
Toshimitsu TANAKA Tamotsu HOUZEN Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Vol. E90-B  No. 3  pp. 621-629
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
dual-bandpatch antennaslot antennacircular polarizationelectromagnetically coupled microstrip line feed
 Summary | Full Text:PDF(1.4MB)

Simple Modeling of an Abdomen of Pregnant Women and Its Application to SAR Estimation
Hiroki KAWAI Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO Takuya UEDA Masayoshi SAITO Hisao ITO Hisao OSADA Yoshio KOYANAGI Koichi OGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3401-3410
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
fetuspregnant womenamniotic fluidSARFDTD method
 Summary | Full Text:PDF(1MB)

Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna
David DELAUNE Josaphat Tetuko SRI SUMANTYO Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/04/01
Vol. E89-B  No. 4  pp. 1372-1381
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
microstrip line antennacircular polarizationtriangular shaperounded vertexarray configurationbeam-switchingmobile satellite communications
 Summary | Full Text:PDF(1011KB)

A Shortest Path Search Algorithm Using an Excitable Digital Reaction-Diffusion System
Koichi ITO Masahiko HIRATSUKA Takafumi AOKI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/03/01
Vol. E89-A  No. 3  pp. 735-743
Type of Manuscript:  Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application)
Category: Signal Processing Algorithm
Keyword: 
reaction-diffusion systemnonlinear dynamicsshortest path searchexcitable dynamics
 Summary | Full Text:PDF(2.5MB)

Biological Tissue-Equivalent Agar-Based Solid Phantoms and SAR Estimation Using the Thermographic Method in the Range of 3-6 GHz
Teruo ONISHI Ryo ISHIDO Takuya TAKIMOTO Kazuyuki SAITO Shinji UEBAYASHI Masaharu TAKAHASHI Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9  pp. 3733-3741
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
solid phantombroadbandFDTD methodSARthermographic methodheat conduction equation
 Summary | Full Text:PDF(856.7KB)

Study on the Transmission Mechanism for Wearable Device Using the Human Body as a Transmission Channel
Katsuyuki FUJII Masaharu TAKAHASHI Koichi ITO Keisuke HACHISUKA Yusuke TERAUCHI Yoshinori KISHI Ken SASAKI Kiyoshi ITAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6  pp. 2401-2410
Type of Manuscript:  Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation)
Category: 
Keyword: 
personal area networkintra-body communicationhuman bodyphantomFDTD
 Summary | Full Text:PDF(2.7MB)

A Fingerprint Matching Algorithm Using Phase-Only Correlation
Koichi ITO Hiroshi NAKAJIMA Koji KOBAYASHI Takafumi AOKI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/03/01
Vol. E87-A  No. 3  pp. 682-691
Type of Manuscript:  Special Section PAPER (Special Section on Applications and Implementations of Digital Signal Processing)
Category: Digital Signal Processing for Pattern Recognition
Keyword: 
phase-only correlationphase-only matched filteringphase correlationbiometricsfingerprint verificationfingerprint identification
 Summary | Full Text:PDF(3.1MB)

Numerical Simulation for Interstitial Heating of Actual Neck Tumor Based on MRI Tomograms by Using a Coaxial-Slot Antenna
Kazuyuki SAITO Hiroyuki YOSHIMURA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/12/01
Vol. E86-C  No. 12  pp. 2482-2487
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)
Category: Medical Application
Keyword: 
interstitial microwave hyperthermiacoaxial-slot antennaMRI tomogramFDTDtemperature distribution
 Summary | Full Text:PDF(885KB)

Fingerprint Restoration Using Digital Reaction-Diffusion System and Its Evaluation
Koichi ITO Takafumi AOKI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 1916-1924
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
reaction-diffusion systempattern formationdigital signal processingdigital filtersfingerprint restoration
 Summary | Full Text:PDF(7.5MB)

The Efficiency-Fractional Bandwidth Product (EB) of Small Dielectric Loaded Antennas and the System EB
Ichirou IDA Takatoshi SEKIZAWA Hiroyuki YOSHIMURA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2498-2506
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Mobile Antennas
Keyword: 
electrically small dielectric loaded antennasefficiency-fractional bandwidth product (EB)system EBantenna impedance measurementWheeler cap method
 Summary | Full Text:PDF(830.6KB)

Digital Reaction-Diffusion System--A Foundation of Bio-Inspired Texture Image Processing--
Koichi ITO Takafumi AOKI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1909-1918
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
reaction-diffusion systempattern formationdigital signal processingdigital filters
 Summary | Full Text:PDF(4.4MB)

An Object-Oriented Design of Electromagnetic Wave Simulator for Multi Schemes
Hiroko O. UEDA Masashi NAKATA Takesi MURATA Hideyuki USUI Masaki OKADA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 967-972
Type of Manuscript:  Special Section LETTER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: 
Keyword: 
object-oriented designelectromagnetic field simulationhybrid schemeFDTD
 Summary | Full Text:PDF(865.4KB)

Estimation of SAR Distribution of a Tip-Split Array Applicator for Microwave Coagulation Therapy Using the Finite Element Method
Kazuyuki SAITO Takeshi TANIGUCHI Hiroyuki YOSHIMURA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 948-954
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Applications of Electromagnetics Simulators
Keyword: 
microwave coagulation therapycoaxial-slot antennaarray applicatorFDTDFEM
 Summary | Full Text:PDF(1.1MB)

A New Feeding Technique for Temperature Distribution Control in Interstitial Microwave Hyperthermia
Lira HAMADA Hiroyuki YOSHIMURA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1318-1323
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Measurements
Keyword: 
hyperthermiaincoherent/coherent power feedingcoaxial-slot antennabioheat transfer equation
 Summary | Full Text:PDF(934.5KB)

Basic Analysis on SAR Distribution of Coaxial-Slot Antenna Array for Interstitial Microwave Hyperthermia
Lira HAMADA Meng-Shien WU Koichi ITO Haruo KASAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/11/25
Vol. E78-C  No. 11  pp. 1624-1631
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
interstitial microwave hyperthermiacoaxial-slot antennaantenna arraymoment methodSAR distribution
 Summary | Full Text:PDF(574.3KB)

FOREWORD
Kunio SAWAYA Koichi ITO Fujio AMEMIYA Kazuhiro IINUMA Takuro KISHIMOTO Koichi SHIMIZU Itsuo YAMAURA Toshio WAKABAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/06/25
Vol. E78-B  No. 6  pp. 787-788
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(239.9KB)

A New Muscle-Equivalent Phantom for SAR Estimation
Katsumi FURUYA Lira HAMADA Koichi ITO Haruo KASAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/06/25
Vol. E78-B  No. 6  pp. 871-873
Type of Manuscript:  Special Section LETTER (Special Issue on Medical Applications of Electromagnetic Techniques)
Category: 
Keyword: 
phantomUHFSARmuscle-equivalentthermographic method
 Summary | Full Text:PDF(211.6KB)

Effect of a Catheter on SAR Distribution around Interstitial Antenna for Microwave Hyperthermia
Meng-Shien WU Lira HAMADA Koichi ITO Haruo KASAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/06/25
Vol. E78-B  No. 6  pp. 845-850
Type of Manuscript:  Special Section PAPER (Special Issue on Medical Applications of Electromagnetic Techniques)
Category: 
Keyword: 
microwave interstitial hyperthermiacoaxial-slot antennamoment methodcurrent distribution
 Summary | Full Text:PDF(491.8KB)

FDTD Analysis of Unit-Radiator for a Circularly Polarized Printed Array Antenna Composed of Strips and Slots
Motoyuki NAITO Shin-ichiro MATSUZAWA Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/12/25
Vol. E77-B  No. 12  pp. 1621-1627
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
CP-PASSlinear elementFDTD and electromagnetic analysis
 Summary | Full Text:PDF(532.9KB)

Circularly Polarized Slot FED Patches and Conical Beam Array
Mohammed HIMDI Jean-Pierre DANIEL Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/12/25
Vol. E76-B  No. 12  pp. 1579-1582
Type of Manuscript:  Special Section LETTER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation)
Category: 
Keyword: 
arrayconical beamcavity model
 Summary | Full Text:PDF(194.9KB)

Meshed Microstrip Antennas Constructed on a Transparent Subetrate
Meng-Shien WU Koichi ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/05/25
Vol. E74-C  No. 5  pp. 1277-1282
Type of Manuscript:  Special Section PAPER (Special Issue on the 3rd Asia-Pacific Microwave Conference)
Category: Microstrip Antennas
Keyword: 
 Summary | Full Text:PDF(360.6KB)