IEICE Trans

Toru SATO

Noncontact Monitoring of Heartbeat and Movements during Sleep Using a Pair of Millimeter-Wave Ultra-Wideband Radar Systems Takuya SAKAMOTO Sohei MITANI Toru SATO
Publication: Publication Date: 2021/04/01 Vol. E104-B No. 4 pp. 463-471 Type of Manuscript: PAPER Category: Sensing Keyword: vital signs, ultra-wideband radar, body movement,
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Adaptive Sidelobe Cancellation Technique for Atmospheric Radars Containing Arrays with Nonuniform Gain Taishi HASHIMOTO Koji NISHIMURA Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/12/01 Vol. E99-B No. 12 pp. 2583-2591 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: atmospheric radars, partial adaptivity, robust adaptive beamforming, clutter suppression,
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False Image Suppression in Two-Dimensional Shape Estimates of a Walking Human Using Multiple Ultra-Wideband Doppler Radar Interferometers Hiroki YAMAZAKI Takuya SAKAMOTO Hirofumi TAKI Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/01/01 Vol. E99-B No. 1 pp. 134-142 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014) Category: Sensing Keyword: ultra-wideband radar, multiple interferometers, Doppler radar, walking human, shape estimation, false image rejection,
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Two-Dimensional Imaging of a Pedestrian Using Multiple Wideband Doppler Interferometers with Clustering-Based Echo Association Takuya SAKAMOTO Hiroki YAMAZAKI Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/09/01 Vol. E98-B No. 9 pp. 1795-1803 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies on Ambient Sensor Networks toward Future Generation) Category: Keyword: radar imaging, Doppler radar, target velocity, human body,
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Accurate Image Separation Method for Two Closely Spaced Pedestrians Using UWB Doppler Imaging Radar and Supervised Learning Kenshi SAHO Hiroaki HOMMA Takuya SAKAMOTO Toru SATO Kenichi INOUE Takeshi FUKUDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/06/01 Vol. E97-B No. 6 pp. 1223-1233 Type of Manuscript: PAPER Category: Sensing Keyword: human imaging, closely-spaced pedestrians, image separation, UWB Doppler radar, supervised learning, support vector machine (SVM),
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Accurate and Real-Time Pedestrian Classification Based on UWB Doppler Radar Images and Their Radial Velocity Features Kenshi SAHO Takuya SAKAMOTO Toru SATO Kenichi INOUE Takeshi FUKUDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/10/01 Vol. E96-B No. 10 pp. 2563-2572 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012) Category: Sensing Keyword: human imaging, pedestrian classification, UWB Doppler radar, radial velocity distribution, k-nearest neighbor,
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Pedestrian Imaging Using UWB Doppler Radar Interferometry Kenshi SAHO Takuya SAKAMOTO Toru SATO Kenichi INOUE Takeshi FUKUDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/02/01 Vol. E96-B No. 2 pp. 613-623 Type of Manuscript: PAPER Category: Sensing Keyword: human imaging, pedestrian imaging, UWB Doppler radar, interferometry, false image rejection,
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Method for the Three-Dimensional Imaging of a Moving Target Using an Ultra-Wideband Radar with a Small Number of Antennas Takuya SAKAMOTO Yuji MATSUKI Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/03/01 Vol. E95-B No. 3 pp. 972-979 Type of Manuscript: PAPER Category: Sensing Keyword: ultra wideband radar, moving target, radar imaging, spheroid, three-dimensional,
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Robust and Accurate Ultrasound 3-D Imaging Algorithm Incorporating Adaptive Smoothing Techniques Kenshi SAHO Tomoki KIMURA Shouhei KIDERA Hirofumi TAKI Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/02/01 Vol. E95-B No. 2 pp. 572-580 Type of Manuscript: PAPER Category: Sensing Keyword: ultrasound 3-D imaging, accurate imaging, robust imaging, adaptive smoothing,
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2-Dimensional Accurate Imaging with UWB Radar Using Indoor Multipath Echoes for a Target in Shadow Regions Shuhei FUJITA Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/08/01 Vol. E94-B No. 8 pp. 2366-2374 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radar, multipath scattering waves, shadow region imaging, interferometry, Time-Reversal imaging,
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An Imaging Algorithm of a Target with Arbitrary Motion for Ultra Wide-Band Radar with a Small Number of Antennas Yuji MATSUKI Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/03/01 Vol. E94-B No. 3 pp. 742-749 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: ultra wide-band, pulse radar, shape estimation, moving target,
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Two-Dimensional Arrays Optimized for Wide-Scanning Phased Array Based on Potential Function Method Koji NISHIMURA Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/10/01 Vol. E92-B No. 10 pp. 3228-3235 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: two-dimensional array optimization, adaptive array, sidelobe reduction,
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2-Dimensional Imaging of Human Bodies with UWB Radar Using Approximately Uniform Walking Motion along a Straight Line with the SEABED Algorithm Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/11/01 Vol. E91-B No. 11 pp. 3695-3703 Type of Manuscript: PAPER Category: Sensing Keyword: UWB radar, SEABED algorithm, walking motion, surveillance system,
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Fast and Accurate 3-D Imaging Algorithm with Linear Array Antennas for UWB Pulse Radars Shouhei KIDERA Yusuke KANI Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/08/01 Vol. E91-B No. 8 pp. 2683-2691 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radars, fast and accurate imaging, BST, bi-static radar, linear array antennas,
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Effective Echo Detection and Accurate Orbit Estimation Algorithms for Space Debris Radar Kentaro ISODA Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/03/01 Vol. E91-B No. 3 pp. 887-895 Type of Manuscript: PAPER Category: Sensing Keyword: space debris, KSGC radar, orbit estimation, coherent integration,
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A Robust and Fast Imaging Algorithm with an Envelope of Circles for UWB Pulse Radars Shouhei KIDERA Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/07/01 Vol. E90-B No. 7 pp. 1801-1809 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radars, SEABED, robust and fast imaging, high resolution imaging, envelope of circles,
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A High-Resolution Imaging Algorithm without Derivatives Based on Waveform Estimation for UWB Radars Shouhei KIDERA Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/06/01 Vol. E90-B No. 6 pp. 1487-1494 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radars, fast and robust radar imaging, inverse problem, high resolution imaging, edge detection,
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Transfer Information Enhancement with a 2-D Tactile Stimulator Array for an Acoustic Vision Substitute System Hirofumi TAKI Toru SATO
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2007/05/01 Vol. E90-D No. 5 pp. 808-815 Type of Manuscript: PAPER Category: Rehabilitation Engineering and Assistive Technology Keyword: vision substitute system, tactile, acoustic, hybrid method, human interface,
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An Accurate Imaging Algorithm with Scattered Waveform Estimation for UWB Pulse Radars Shouhei KIDERA Takuya SAKAMOTO Satoshi SUGINO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/09/01 Vol. E89-B No. 9 pp. 2588-2595 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radar systems, SEABED, scattered waveform estimation, accurate shape estimation,
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A Phase Compensation Algorithm for High-Resolution Pulse Radar Systems Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/11/01 Vol. E87-B No. 11 pp. 3314-3321 Type of Manuscript: PAPER Category: Sensing Keyword: pulse radar, phase compensation, shape estimation, ill-posed inverse problem, boundary scattering transform,
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An Estimation Algorithm of Target Location and Scattered Waveforms for UWB Pulse Radar Systems Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/06/01 Vol. E87-B No. 6 pp. 1631-1638 Type of Manuscript: PAPER Category: Sensing Keyword: UWB pulse radar, radar imaging, waveform estimation, non-parametric estimation, neural network,
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A Target Shape Estimation Algorithm for Pulse Radar Systems Based on Boundary Scattering Transform Takuya SAKAMOTO Toru SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/05/01 Vol. E87-B No. 5 pp. 1357-1365 Type of Manuscript: PAPER Category: Sensing Keyword: pulse radar, non-parametric estimation, shape estimation, ill-posed inverse problem, boundary scattering transform,
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A Design Scheme for Electromagnetic Shielding Clothes via Numerical Computation and Time Domain Measurements Satoru KUROKAWA Toru SATO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/11/01 Vol. E86-C No. 11 pp. 2216-2223 Type of Manuscript: Special Section PAPER (Special Issue on Analytical and Simulation Methods for Electromagnetic Wave Problems) Category: Keyword: electromagnetic shielding clothes, time domain measurement, FDTD method, effective conductivity, numerical evaluation scheme,
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A Faster Algorithm of Minimizing AND-EXOR Expressions Takashi HIRAYAMA Yasuaki NISHITANI Toru SATO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/12/01 Vol. E85-A No. 12 pp. 2708-2714 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Logic Synthesis Keyword: AND-EXOR two-level circuit, AND-EXOR expression, exclusive-or sum-of-products expression, logic minimization algorithm,
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High Sensitivity Radar-Optical Observations of Faint Meteors Koji NISHIMURA Toru SATO Takuji NAKAMURA Masayoshi UEDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/12/01 Vol. E84-C No. 12 pp. 1877-1884 Type of Manuscript: Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging) Category: Keyword: meteor observation, MU radar, ICCD video camera, sensor fusion, space environment,
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FOREWORD Matsuo SEKINE Sakae NAGAOKA Yoshio YAMAGUCHI Ikuo ARAI Shogo HAYASHI Kunitoshi NISHIKAWA Naofumi OKUBO Motoyuki SATO Toru SATO Toru UNO Seiho URATSUKA Matsuichi YAMADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/09/25 Vol. E83-B No. 9 pp. 1903-1905 Type of Manuscript: FOREWORD Category: Keyword:
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Orbit Determination of Meteors Using the MU Radar Toru SATO Takuji NAKAMURA Koji NISHIMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/09/25 Vol. E83-B No. 9 pp. 1990-1995 Type of Manuscript: Special Section PAPER (Special Issue on Advances in Radar Systems) Category: Keyword: meteor observation, MU radar, orbit determination, Doppler pulse compression, space environment,
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Validation and Ground Truth for TRMM Precipitation Radar Using the MU Radar Toru SATO Toshihiro TERAOKA Iwane KIMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/06/25 Vol. E79-B No. 6 pp. 744-750 Type of Manuscript: Special Section PAPER (Special Issue on Weather Radar Technology) Category: Keyword: TRMM precipitation radar, MU radar, ground truth, rain retrieval algorithm, numerical simulation,
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New Go-Back-N ARQ Protocols for Point-to-Multipoint Communications Hui ZHAO Toru SATO Iwane KIMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/08/25 Vol. E77-B No. 8 pp. 1013-1022 Type of Manuscript: PAPER Category: Communication Theory Keyword: communication theory, satellite communication, point-to-multipoint communication, error detection codes, go-back-N ARQ,
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Automatic Data Processing Procedure for Ground Probing Radar Toru SATO Kenya TAKADA Toshio WAKAYAMA Iwane KIMURA Tomoyuki ABE Tetsuya SHINBO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/06/25 Vol. E77-B No. 6 pp. 831-837 Type of Manuscript: PAPER Category: Electronic and Radio Applications Keyword: aperture synthesis, pulse compression, underground detection, automatic data processing, optimization, ground probing radar,
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A Hybrid-ARQ Protocol with Adaptive Rate Error Control Hui ZHAO Toru SATO Iwane KIMURA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/12/25 Vol. E76-A No. 12 pp. 2095-2101 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: information theory and coding theory, communication theory, hybrid-ARQ error control codes, error correction codes, adaptive rate error control, selective-repeat ARQ,
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High-Resolution Radar Image Reconstruction Using an Arbitrary Array Toshio WAKAYAMA Toru SATO Iwane KIMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/10/25 Vol. E76-B No. 10 pp. 1305-1312 Type of Manuscript: Special Section PAPER (Special Issue on Radar Technology) Category: Subsurface Radar Keyword: radar, image reconstruction, model fitting, nonlinear least-squares, underground detection,
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Parallel Viterbi Decoding Implementation by Multi-Microprocessors Hui ZHAO Xiaokang YUAN Toru SATO Iwane KIMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/06/25 Vol. E76-B No. 6 pp. 658-666 Type of Manuscript: PAPER Category: Communication Theory Keyword: coding, error correction code, convolutional code, Viterbi decoding, parallel algorithm, parallel Viterbi decoding, coding by microprocessor,
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