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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, RCS | 2013-01-31 09:55 |
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 pp.1-6 |
| SIP, RCS | 2013-01-31 14:45 |
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 pp.31-36 |
| AP, RCS (Joint) |
2012-11-16 16:15 |
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] |
AP2012-115 pp.127-132 |
| AP, MW (Joint) |
2012-09-27 10:35 |
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 pp.1-6 |
| CAS, MSS, VLD, SIP | 2010-06-22 15:35 |
Hokkaido | Kitami Institute of Technology | Pseudo-IIR Adaptive Array Based on Spatial State-Space Filtering Sho Iwazaki, Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.) CAS2010-30 VLD2010-40 SIP2010-51 CST2010-30 |
This paper presents a pseudo-IIR construction of adaptive array based on spatial state-space filtering. The proposed app... [more] | CAS2010-30 VLD2010-40 SIP2010-51 CST2010-30 pp.169-173 |
| SR | 2009-07-29 13:00 |
Tokyo | Tokyo institute of technology | [Technology Exhibit]
FIR Filter Design Using SPT Terms and Its Application to Implementing SDR Receivers Choonghoon Bae, Takayuki Moteki (Yokohama National Univ.), Minseok Kim (Tokyo Institute of Technology), Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) SR2009-31 |
Direct conversion method is nowadays widely used in Software Defined Radio (SDR) applications based on RF direct samplin... [more] | SR2009-31 pp.57-60 |
| SIP, CAS, VLD | 2009-07-01 13:20 |
Hokkaido | Kushiko-shi Shogai Gakushu Center | Fast Sub-macroblock Selection for Motion Estimation in H.264/AVC Kenichi Fujii, Koichi Ichige (Yokohama Nat'l Univ.) CAS2009-1 VLD2009-6 SIP2009-18 |
A fast sub-macroblock mode selection algorithm is proposed in this paper. Motion estimation part of H.264/AVC requires ... [more] |
CAS2009-1 VLD2009-6 SIP2009-18 pp.1-5 |
| SIP, CAS, VLD | 2009-07-01 14:00 |
Hokkaido | Kushiko-shi Shogai Gakushu Center | Design of 2-D Separable-Denominator IIR Filters based on Weighted LS Approximation Sho Iwazaki, Koichi Ichige (Yokohama Nat'l Univ.) CAS2009-3 VLD2009-8 SIP2009-20 |
A design method of 2-D separable-denominator IIR filters based on weighted LS approximation is proposed in this paper. ... [more] |
CAS2009-3 VLD2009-8 SIP2009-20 pp.13-18 |
| CAS, CS, SIP | 2009-03-03 13:10 |
Gifu | Nagaragawa Convention Center | [Poster Presentation]
Extended Array Mode Vector in Array Interpolation and Its Application to DOA Estimation Puttarat Chumchong, Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.) CAS2008-137 SIP2008-200 CS2008-111 |
On the Direction-of-Arrival (DOA) estimation problem by using array elements, the estimation accuracy is deteriorated wh... [more] | CAS2008-137 SIP2008-200 CS2008-111 pp.201-206 |
| CAS, CS, SIP | 2009-03-03 13:10 |
Gifu | Nagaragawa Convention Center | [Poster Presentation]
SPT Term-Based Digital Filter Implementation Technique and Its Application to Software Defined Radio Choonghoon Bae, Takayuki Moteki (Yokohama Nat'l Univ.), Minseok Kim (Tokyo Inst. of Tech.), Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.) CAS2008-138 SIP2008-201 CS2008-112 |
Direct conversion method is nowadays widely used in Software Defined Radio (SDR) applications based on RF direct samplin... [more] | CAS2008-138 SIP2008-201 CS2008-112 pp.207-210 |
| IE, SIP, IPSJ-SLDM | 2008-10-07 15:15 |
Iwate | Aiina Center (Morioka) | Fast Filtering using Modified Frequency Domain Processing with Time/Space Domain Compensation and Its DSP Implementation Yoshiki Kutsuwa, Nobutaka Ukeji, Koichi Ichige, Rokuya Ishii (Yokohama Nat'l Univ.) SIP2008-123 IE2008-87 |
Most of basic operations in signal or image processing are based on discrete convolution. Fast Fourier Transform (FFT) ... [more] |
SIP2008-123 IE2008-87 pp.95-100 |
| SIP, WBS | 2008-07-25 09:00 |
Hiroshima | Hiroshima Univ. | High Resolution DOA Estimation Using Unwrapped Phase Information of MUSIC-based Noise Subspace Koichi Ichige, Hiroyuki Arai (Yokohama Nat'l Univ.) SIP2008-77 WBS2008-15 |
[more] | SIP2008-77 WBS2008-15 pp.1-6 |
| AP | 2008-05-15 13:50 |
Nagasaki | Sasebo national college of technology | ESPRIT-Based Near-Field Source Localization Using Phase Difference Compensation Toshihiko Sakaguchi, Takayuki Uchida, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) AP2008-13 |
This paper presents a modified near-field source localization method based on algebraic solution that is aiming to impro... [more] | AP2008-13 pp.11-16 |
| AP | 2008-05-15 14:15 |
Nagasaki | Sasebo national college of technology | Problem of Q-MUSIC for Linear Vector Sensor Array and Its Improvement Ryuya Arita, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) AP2008-14 |
This paper propses a scheme of direction-of-arrival shifting to resolve the problem of Q-MUSIC method for linear vector-... [more] | AP2008-14 pp.17-22 |
| AP | 2008-05-15 14:50 |
Nagasaki | Sasebo national college of technology | TDL/IIR-TDL Adaptive Antenna Array Using Delayed Reference Signal Saori Abe, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) AP2008-15 |
This paper shows that the characteristics of TDL or IIR-TDL adaptive antenna arrays are improved by using delayed refere... [more] | AP2008-15 pp.23-28 |
| RCS, SIP | 2008-01-24 15:10 |
Hiroshima | Hiroshima City Uni. | Subband Adaptive Array for MIMO-STBC System using Pseudo-QMF Banks Nozomi Zama, Koichi Ichige (Yokohama Natl' Univ.) SIP2007-150 RCS2007-153 |
[more] | SIP2007-150 RCS2007-153 pp.115-120 |
| SR | 2007-07-26 14:00 |
Kanagawa | [Technology Exhibit]
Fully Digital Receiver Implementation using Direct RF-to-Digital Conversion Takayuki Moteki, Minseok Kim, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) SR2007-30 |
This paper proposes a novel multimode fully digital receiver implementation using direct RF-to-digital conversion. The... [more] |
SR2007-30 pp.63-67 |
|
| CAS, SIP, VLD | 2007-06-21 15:20 |
Hokkaido | Hokkaido Tokai Univ. （Sapporo) | Accurate Tracking of Mobile Terminals Using Particle Filter and Notch Beam Yasuyuki Watanabe, Koichi Ichige (Yokohama Nat'l Univ.) CAS2007-15 VLD2007-31 SIP2007-45 |
In this report, we try to partially modify the algorithm of particle filter to reduce its computational cost, and then a... [more] | CAS2007-15 VLD2007-31 SIP2007-45 pp.85-90 |
| IE, SIP | 2007-04-26 13:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Intra Prediction Mode Decision for H.264 by Decision-Theoretic Approach Using DCT Coefficients Takamitsu Hattori, Koichi Ichige (Yokohama National Univ.) SIP2007-6 IE2007-6 |
This paper presents a high-speed procedure of Intra prediction mode decision in H.264/AVC using DCT coefficients. Intra ... [more] | SIP2007-6 IE2007-6 pp.31-35 |
| AP | 2006-06-22 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Blind Signal Separation of Digital Modulation Signals by FastICA Mitsuharu Imai, Koichi Ichige, Hiroyuki Arai (Yokohama National Univ.) AP2006-35 |
In this paper, we propose a blind signal separation procedure for digital modulation signals like QPSK or 16QAM using Fa... [more] | AP2006-35 pp.7-12 |
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