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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 43  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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.)
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
SIP, RCS 2013-01-31
Hiroshima Viewport-Kure-Hotel (Kure) A Note on Rotation-Robust Normalization Method in 3-D Model Retrieval
Kazuki Ohtsuka, Koichi Ichige (Yokohama Nat'l Univ.) SIP2012-81 RCS2012-238
This paper presents an efficient 3-D model matching method based on elevation descriptor with Principal Component Analys... [more] SIP2012-81 RCS2012-238
SIP, RCS 2013-01-31
Hiroshima Viewport-Kure-Hotel (Kure) Design of Root IIR Nyquist Filter and Its Application to Digital Communication
Wataru Ichioka, Koichi Ichige (Yokohama Nat'l Univ.) SIP2012-86 RCS2012-243
 [more] SIP2012-86 RCS2012-243
Tokyo Tokyo Denki University High Resolution 2-D DOA Estimation by 3-D Cuboid Structure Array Antenna
Hiroki Moriya, Yuki Doi, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.), Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano (KDDI R&D Lab.) AP2012-115
This paper proposes 3-D cuboid structure array antenna which enables high resolution 2-D DOA estimation.
Generically e... [more]
Saitama KDDI R&D LABS A Study of Analysis for 2D-DOA Estimation 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) AP2012-82
In recent years, the transition to the microcell and femtocell structure has been considered to achieve high-speed and h... [more] AP2012-82
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