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Koichi ITO

A Contactless Palmprint Authentication Algorithm for Mobile Phones Shoichiro AOYAMA Koichi ITO Takafumi AOKI Haruki OTA
Publication: A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition) Publication Date: 2013/05/01 Vol. J96-A No. 5 pp. 250-263 Type of Manuscript: PAPER Category: Keyword: palmprint authentication, user authentication, mobile phone, biometrics, phase-only correlation,
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A High-Accuracy Stereo Correspondence Matching Method Robust against Baseline Length Shuji SAKAI Koichi ITO Takafumi AOKI Hiroki UNTEN
Publication: D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Publication Date: 2012/08/01 Vol. J95-D No. 8 pp. 1609-1622 Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding) Category: Keyword: stereo vision, stereo correspondence, 3D measurement, Scaled Window Matching, phase-only correlation,
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Effects of Posture and Earth Ground on Intra-Body Communication Channels Using Quasi-Static Field Nozomi HAGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2012/02/01 Vol. J95-B No. 2 pp. 257-264 Type of Manuscript: Special Section PAPER (Special Issue on Student Research for Future Communication Technology) Category: Keyword: intra-body communications, quasi-static approximation, posture, earth ground, equivalent circuit,
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Internal Antenna within Portable Radio Terminal for Broadband Wireless Communication System in VHF Band Shimpei AKIMOTO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2011/09/01 Vol. J94-B No. 9 pp. 1202-1205 Type of Manuscript: Special Section LETTER (Special Issue on Antenna and Propagation Technologies Underpinning Advances and Diversification of Wireless Communications) Category: Keyword: VHF band, broadband, portable radio terminal, rectangular loop antenna,
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Ultra Wideband Antenna Wearing Arm Yumiko UNO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2011/09/01 Vol. J94-B No. 9 pp. 1114-1121 Type of Manuscript: Special Section PAPER (Special Issue on Antenna and Propagation Technologies Underpinning Advances and Diversification of Wireless Communications) Category: Keyword: UWB, WBAN, wristwatch, wearable,
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Geometric Correction for Projected Images Using High-Accuracy Stereo Vision Based on Phase-Only Correlation Toru TAKAHASHI Mamoru MIURA Koichi ITO Takafumi AOKI
Publication: D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Publication Date: 2011/08/01 Vol. J94-D No. 8 pp. 1387-1397 Type of Manuscript: Special Section PAPER (Special Section on Image and Recognition and Understanding) Category: Keyword: projector-camera systems, stereo vision, geometric correction, phase-only correlation, sift,
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A Calibration Technique for Multi-Projector Display Based on High-Accuracy Image Correspondence Using SIFT and Phase-Only Correlation Toru TAKAHASHI Tatsuya KAWANO Koichi ITO Takafumi AOKI Satoshi KONDO
Publication: A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition) Publication Date: 2011/02/01 Vol. J94-A No. 2 pp. 73-84 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies in Electronics, Information and Communication Engineering) Category: Keyword: multi-projector display, 3D display, projector-camera system, SIFT, phase-only correlation,
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Development of Dynamic Phantom for Evaluation of Doppler Radar for Breath Detection Jumpei YONEBAYASHI Shozo TAKAMATSU Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2011/02/01 Vol. J94-B No. 2 pp. 297-299 Type of Manuscript: Special Section LETTER (Special Issue on Student Research Building the Future of Communication Technology) Category: Keyword: dynamic phantom, biological tissue - equivalent phantom, Doppler radar, breath detection, biometry,
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Development on Flexible Electromagnetic Hand Phantom Takumi HIRAOKA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2011/02/01 Vol. J94-B No. 2 pp. 292-296 Type of Manuscript: Special Section LETTER (Special Issue on Student Research Building the Future of Communication Technology) Category: Keyword: phantom, mobile phone, planner inverted F antenna, human hand,
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Characteristics of Antenna on Cardiac Pacemaker Embedded in Multilayered Models Masaharu TAKAHASHI Satoshi NAKATA Kazuyuki SAITO Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2010/12/01 Vol. J93-B No. 12 pp. 1636-1643 Type of Manuscript: PAPER Category: Keyword: implantable antenna, PIFA, cardiac pacemaker, MICS band, FDTD method,
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Proposition of Improved Birdcage Coil for MRI System with No Lumped Circuit Elements Kazuyuki SAITO Takahiro KAWAMURA Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2010/12/01 Vol. J93-B No. 12 pp. 1644-1650 Type of Manuscript: PAPER Category: Keyword: MRI, RF coil, birdcage coil, magnetic field distribution, FDTD calculation,
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Estimation of SAR and Magnetic-Field Uniformity Inside a Human Body Inserted in Birdcage Coil for MRI System Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2010/02/01 Vol. J93-B No. 2 pp. 294-302 Type of Manuscript: Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology) Category: Keyword: magnetic resonance imaging (MRI), birdcage coil, finite difference time domain (FDTD) method, specific absorption rate (SAR) distribution, magnetic-field distribution,
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Evaluation of Antenna Characteristics Dependent on Human Body Structure at 2 10 GHz Yumiko UNO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2010/02/01 Vol. J93-B No. 2 pp. 278-285 Type of Manuscript: Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology) Category: Keyword: biological tissue equivalent phantom, near field, antenna characteristic, FDTD method,
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Evaluation on Characteristics of Wristband Type RFID Antenna Takashi NAKAJIMA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2010/02/01 Vol. J93-B No. 2 pp. 286-293 Type of Manuscript: Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology) Category: Keyword: RFID, wristband, bioligical tissue-equvalent solid phantom, reflector, radiation pattern,
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A Basic Investigation on the SAR Characteristics of Planar Slot Antennas Close to a Human Body Shoichi KAJIWARA Koichi OGAWA Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2009/09/01 Vol. J92-B No. 9 pp. 1464-1468 Type of Manuscript: Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies) Category: Keyword: slot antenna, dipole antenna, SAR, BAN, phantom,
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An Implantable Antenna Designed for Loading onto a Cardiac Pacemaker Satoshi NATAKA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2009/09/01 Vol. J92-B No. 9 pp. 1407-1415 Type of Manuscript: Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies) Category: Keyword: cardiac pacemaker, implantable antenna, PIFA, FDTD method,
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Super-Resolution De-Interlacing Using Phase-Only Correlation Norihito NUMA Koichi ITO Takafumi AOKI Satoshi KONDO
Publication: A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition) Publication Date: 2009/08/01 Vol. J92-A No. 8 pp. 529-539 Type of Manuscript: PAPER Category: Keyword: de-interlacing, super-resolution, motion estimation, phase-only correlation,
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Calculations of SAR in Abdomen Using Numerical Human Model by Normal Mode Helical Antenna at 150 MHz Shimpei AKIMOTO Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2009/01/01 Vol. J92-B No. 1 pp. 304-311 Type of Manuscript: Special Section PAPER (Special Issue on Student Research for Future Communication Technology) Category: Keyword: commercial wireless terminal, normal mode helical antenna, numerical human model, SAR,
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Characteristics of Folded Type Rectangular Loop Antenna in UHF Band Naoto KOGO Susumu NAKAZAWA Toru IWASAKI Shoji TANAKA Kazuyoshi SHOGEN Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2009/01/01 Vol. J92-B No. 1 pp. 271-279 Type of Manuscript: Special Section PAPER (Special Issue on Student Research for Future Communication Technology) Category: Keyword: UHF band, loop antenna, resonant frequency, small antenna, folded type,
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A High-Accuracy Image Registration Algorithm Using Phase-Only Correlation for Dental Radiographs Koichi ITO Akira NIKAIDO Takafumi AOKI Eiko KOSUGE Ryota KAWAMATA Isamu KASHIMA
Publication: D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition) Publication Date: 2008/07/01 Vol. J91-D No. 7 pp. 1788-1797 Type of Manuscript: Special Section PAPER (Special Section on Medical Imaging) Category: Keyword: image registration, dental radiograph, phase-only correlation, thin-plate spline,
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Circularly Polarized Patch Antennas Combining Different Shaped Linealy Polarized Elements Takanori NORO Yasuhiro KAZAMA Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2008/05/01 Vol. J91-B No. 5 pp. 595-604 Type of Manuscript: PAPER Category: Keyword: mobile satellite communications, patch antennas, circularly polarization, one-point feed, wide bandwidth,
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Development on Phantom for Measurement of Temperature Rises Inside Biological Tissue by Electromagnetic Waves Exposure Atsushi HIROE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2007/11/01 Vol. J90-B No. 11 pp. 1187-1192 Type of Manuscript: Special Section PAPER (Special Section on Broadband EMC Technologies) Category: Keyword: phantom, blood flow, temperature rise, coaxial-slot antenna,
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Development of a Tissue-Equivalent Solid Phantom for UWB Band and Its Application to the Evaluation of the Interaction between Radio Terminals and the Human Body Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO
Publication: C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition) Publication Date: 2007/03/01 Vol. J90-C No. 3 pp. 208-215 Type of Manuscript: Special Section PAPER (Secial Issue on Microwave and Millimeter-Wave Materials for Wireless Communications and Related Technologies) Category: Keyword: UWB, tissue-equivalent solid phantom for UWB systems, radiation patterns, FDTD method,
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Demonstration Experiment of a Simple Satellite Tracking System Toshimitsu TANAKA Tamotsu HOUZEN Kenichi KANEKO Shin-ichi YAMAMOTO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2007/01/01 Vol. J90-B No. 1 pp. 106-109 Type of Manuscript: LETTER Category: Keyword: mobile satellite communications, satellite tracking, patch array antenna, beam switching,
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Heating Performances of a Coaxial-Slot Antenna for Thermal Treatment of Bile Duct Carcinoma -- Experimental Estimation of Cooling Effect due to a Thick Blood Vessel -- Atsushi HIROE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/12/01 Vol. J89-B No. 12 pp. 2271-2274 Type of Manuscript: LETTER Category: Keyword: bile duct carcinoma, cooling effect of a blood flow, coaxial-slot antenna, tissue-equivalent solid phantom, temperature distribution,
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Antenna Technology Applied to Medicine Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/09/01 Vol. J89-B No. 9 pp. 1558-1568 Type of Manuscript: Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems) Category: Keyword: medical application, MRI, hyperthermia, coaxial-slot antenna,
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Evaluation on Effectiveness of the Biological Tissue Equivalent Solid Phantom for UWB Communications Takuya TAKIMOTO Teruo ONISHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/09/01 Vol. J89-B No. 9 pp. 1806-1814 Type of Manuscript: Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems) Category: Keyword: UWB, tissue-equivalent solid phantom for UWB communications, time domain measurement, FD-TD method,
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Electronic Scanning Characteristics of a Simple Satellite-Tracking Array Antenna Kenichi KANEKO Toshimitsu TANAKA Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/09/01 Vol. J89-B No. 9 pp. 1696-1704 Type of Manuscript: Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems) Category: Keyword: switching circuit, patch array antenna, ETS-VIII, beam switching, mobile satellite communications,
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Control of Heating Pattern for Interstitial Microwave Hyperthermia by a Coaxial-Dipole Antenna--Aiming at Treatment of Brain Tumor-- Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/08/01 Vol. J89-B No. 8 pp. 1486-1492 Type of Manuscript: PAPER Category: Keyword: coaxial-dipole antenna, MR image, brain tumor, SAR distribution, temperature distribution,
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