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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-06-13
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Generation of Virtual City 3D Model and Analysis of Pathloss Distribution
Rento Hagiwara, Koichi Ichige (Yokohama National Univ), Tatsuya Nagao, Takahiro Hayashi (KDDI Research)
SIP, IT, RCS 2024-01-19
(Primary: On-site, Secondary: Online)
Infant Detection in Passenger Vehicles Using Millimeter Wave FMCW-MIMO Radar and CFAR Algorithm
Kotone Sato, Steven Wandale, Koichi Ichige (Yokohama National Univ.), Kazuya Kimura, Ryo Sugiura (Murata Manufacturing) IT2023-71 SIP2023-104 RCS2023-246
This paper implements several proposed features using the CFAR algorithm, then constructs a concise decision tree model ... [more] IT2023-71 SIP2023-104 RCS2023-246
SIP, IT, RCS 2024-01-19
(Primary: On-site, Secondary: Online)
Dataset Generation System for Hand Gesture Recognition Using FMCW-MIMO Radar
Katsuhisa Kashiwagi (Murata Manufacturing/Yokohama National Univ.), Koichi Ichige (Yokohama National Univ.) IT2023-72 SIP2023-105 RCS2023-247
In this paper, we propose a dataset generation system for hand gesture recognition using Frequency Modulated Continuous ... [more] IT2023-72 SIP2023-105 RCS2023-247
Niigata Tokimate, Niigata University
(Primary: On-site, Secondary: Online)
[Invited Lecture] Generation of Virtual City 3D Model for Pathloss Dataset Extension
Rento Hagiwara, Koichi Ichige (Yokohama National Univ), Tatsuya Nagao, Takahiro Hyashi (KDDI Research Inc.) AP2023-185
In this paper, we propose a method to generate a 3D model of virtual cities for propagation data generation by ray traci... [more] AP2023-185
AP 2023-04-14
Osaka Osaka Univ.
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] Underdetermined Direction-Of-Arrival Estimation by Sparse Arrays -- Array Configuration Optimization for Enhancing Degree of Freedom --
Koichi Ichige (Yokohama National Univ.) AP2023-7
This paper introduces various sparse array configurations, and shows that underdetermined (more number of sources than t... [more] AP2023-7
IT, RCS, SIP 2023-01-24
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
Underdetermined DOA Estimation of Correlated Signals Using Atomic Norm Minimization
Soichi Obata, Steven Wandale, Koichi Ichige (Yokohama Nat'l Univ.) IT2022-50 SIP2022-101 RCS2022-229
This paper discusses the underdetermined Direction-of-Arrival (DOA) estimation of correlated sources where the number of... [more] IT2022-50 SIP2022-101 RCS2022-229
SIP, BioX, IE, MI, ITE-IST, ITE-ME [detail] 2022-05-19
Kumamoto Kumamoto University Kurokami Campus
(Primary: On-site, Secondary: Online)
ECG waveform reconstruction method using FMCW radar sensing and transformer model
Ren Anzai, Daiki Toda, Koichi Ichige (Yokohama National Univ.) SIP2022-4 BioX2022-4 IE2022-4 MI2022-4
In this paper, we propose a waveform reconstruction method for ECG (ElectroCardioGram) signals using a transformer, a ki... [more] SIP2022-4 BioX2022-4 IE2022-4 MI2022-4
SIP, MI, IE 2019-05-23
Aichi   Optimum 2-D Sparse Array with Extended Aperture for Accurate DOA Estimation
Shogo Nakamura, Sho Iwazaki, Koichi Ichige (Yokohama Nat'l Univ.) SIP2019-1 IE2019-1 MI2019-1
We present a way of optimizing 2-D sparse array with extended aperture and its interpolation method based on simulated a... [more] SIP2019-1 IE2019-1 MI2019-1
CAS, SIP, MSS, VLD 2018-06-14
Hokkaido Hokkaido Univ. (Frontier Research in Applied Sciences Build.) Image Haze Reduction Method by Ambient Light Estimation Using Region Segmentation
Yuji Araki, Koichi Ichige (Yokohama National Univ.) CAS2018-10 VLD2018-13 SIP2018-30 MSS2018-10
In this paper, we propose an accurate haze reduction method that divides hazed images into regions in advance, where haz... [more] CAS2018-10 VLD2018-13 SIP2018-30 MSS2018-10
CAS, SIP, MSS, VLD 2018-06-14
Hokkaido Hokkaido Univ. (Frontier Research in Applied Sciences Build.) Multi-Pitch Estimation of Piano Musics using LRNMF and CDAE
Takeo Kawashima, Koichi Ichige (Yokohama Ntl Univ.) CAS2018-11 VLD2018-14 SIP2018-31 MSS2018-11
 [more] CAS2018-11 VLD2018-14 SIP2018-31 MSS2018-11
IE, ITE-ME, ITE-AIT [detail] 2017-10-06
Nagasaki   High Precision Background Subtraction from Compressive Measurements Based on Tensor RPCA
Tetsu Suzuki, Koichi Ichige (Yokohama National Univ.)
IE, ITE-ME, ITE-AIT [detail] 2017-10-06
Nagasaki   Compressive Sensing and Recovery of Binary Images Based on DCT
Yusuke Zaitsu, Koichi Ichige (YNU)
PRMU, IE, MI, SIP 2016-05-20
Aichi   High Accuracy Feature Point Tracking for Omnidirectional Image Sequence
Hiroshi Tada, Koichi Ichige (Yokohama Nat'l Univ.) SIP2016-16 IE2016-16 PRMU2016-16 MI2016-16
In this paper, we propose a highly accurate feature point tracking method for omnidirectional image sequence. It is diff... [more] SIP2016-16 IE2016-16 PRMU2016-16 MI2016-16
SIP, RCS 2015-01-23
Okayama Okayama Univ. Accurate Source Number Detection for Low-Cost Array Antenna Based on Expanded Array Processing
Keita Yamada, Koichi Ichige (Yokohama National Univ.) SIP2014-102 RCS2014-290
This paper proposes an accurate source number detection method for low-cost array system based on expanded array process... [more] SIP2014-102 RCS2014-290
SIP, RCS 2015-01-23
Okayama Okayama Univ. Multiple Spectrum Synthesis and 2-D DOA Estimation Using Higher-Order Statistics
Yuta Shikagawa, Koichi Ichige (Yokohama National Univ.) SIP2014-103 RCS2014-291
This paper presents a novel Direction-Of-Arrival (DOA) estimation method
based on the synthesis of multiple MUSIC spect... [more]
SIP2014-103 RCS2014-291
Niigata Niigata University Satellite campus [Invited Lecture] On the Covariance Matrix in Array Signal Processing
Koichi Ichige, Yu Iwabuchi (Yokohama National Univ.) AP2014-87 SANE2014-60
This paper introduces the relation between the covariance matrix elements in array signal processing. Also we develop a ... [more] AP2014-87 SANE2014-60
pp.85-90(AP), pp.71-76(SANE)
AP 2014-03-11
Fukushima Koriyama City Rodo Fukushi Kaikan Modified 2-D MUSIC Spectrum Based on Switched Axes
Yuki Doi, Yuta Shikagawa, Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.), Hiromi Matsuno, Masayuki Nakano (KDDI R&D Labs.) AP2013-194
This paper proposes a novel method of 2-D DOA estimation using a modified version of MUSIC spectrum based on switched ax... [more] AP2013-194
AP 2013-06-13
Tokyo Kikai-Shinko-Kaikan Bldg. A Study of Experiment for 2D-DOA Estimation under LOS Environment by Using Pyramid Shaped Array Antenna
Yusuke Hori, Yuki Doi, Hiroki Moriya, Koichi Ichige, Hiroyuki Arai (YNU), Hiromi Matsuno, Takahiro Hayashi, Masayuki Nakano (KDDI R&D LABS) AP2013-35
 [more] AP2013-35
SP, EA, SIP 2013-05-17
Okayama   A Note on Fast Computation Method of Polyphase Filterbank
Gen Fujishiro, Koichi Ichige (Yokohama National Univ.) EA2013-18 SIP2013-18 SP2013-18
This paper presents a way of fast computation method in polyphase filterbanks.
Filterbanks divide a single-channel sig... [more]
EA2013-18 SIP2013-18 SP2013-18
SP, EA, SIP 2013-05-17
Okayama   High Resolution DOA Estimation by Variable Step Size GROUSE Algorithm
Keita Yamada, Yuki Doi, Koichi Ichige (Yokohama National Univ.) EA2013-23 SIP2013-23 SP2013-23
This paper presents high-resolution DOA estimation method by Variable Step Size (VSS) GROUSE algorithm in low-cost array... [more] EA2013-23 SIP2013-23 SP2013-23
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