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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2023-06-15 17:55 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on AP Antenna Configuration for Cell-Free Massive MIMO with Hybrid Beamforming in the Upper-mid Band. Shunsuke Kamiwatari, Masaaki Ito, Issei Kanno (KDDI Research, Inc.)  RCS2023-64 |
Cell-Free massive multi-input multi-output (CF mMIMO) is a candidate foundation for the sixth-generation (6G). In additi... [more] | RCS2023-64 pp.212-217 |
| RCS | 2022-10-27 12:30 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research Activities for Deploying Cell-Free Massive MIMO Systems Masaaki Ito (KDDI Research/USC), Shunsuke Kamiwatari, Noboru Osawa, Issei Kanno, Yoshiaki Amano (KDDI Research) RCS2022-132 |
In cell-free massive MIMO systems, a massive number of distributed antennas cooperate with each other and communicate wi... [more] | RCS2022-132 p.25 |
| MI | 2022-01-26 14:18 |
Online | Online | [Short Paper]
Development of Online Annotation Tool Towards Large-Scale Laparoscopic Video Database Hayato Itoh, Dongping Pan, Takuya Ozawa, Masahiro Oda (Nagoya Univ.), Nobuyoshi Takeshita, Masaaki Ito (NCC East), Kensaku Mori (Nagoya Univ.) MI2021-65 |
(To be available after the conference date) [more] | MI2021-65 pp.86-87 |
| RCS, NS (Joint) |
2021-12-16 14:25 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Research activities for realizing Cell Free massive MIMO Issei Kanno, Masaaki Ito, Noboru Osawa, Shunsuke Kamiwatari, Kosuke Yamazaki, Shinji Nimura, Kazuki Tanaka, Ryo Inohara (KDDI Research Inc.) NS2021-98 RCS2021-181 |
[more] | NS2021-98 RCS2021-181 p.13(NS), p.35(RCS) |
| RCS | 2021-10-21 10:25 |
Online | Online | Performance Evaluation of Scalable Cell-Free Massive MIMO Systems with Multiple CPUs Subject to Backhaul Capacity Limitation Masaaki Ito, Issei Kanno, Kosuke Yamazaki (KDDI Research), Kengo Ando, Shuto Fukue (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-119 |
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems have attracted attention worldwide, being considered... [more] | RCS2021-119 pp.7-12 |
| MI | 2021-03-17 10:15 |
Online | Online | Automatic Segmentation of bleeding from Laparoscopic Video using Cascade CNN Shota Yamamoto, Yuichiro Hayashi, Shintaro Morimitsu (Nagoya Univ.), Takayuki Kitasaka (Aichi Institute Tech.), Masahiro Oda (Nagoya Univ.), Nobuyoshi Takeshita, Masaaki Ito (NCC East), Kensaku Mori (Nagoya Univ.) MI2020-88 |
We describe a bleeding region segmentation method using cascade CNN from laparoscopic images. In order to support laparo... [more] | MI2020-88 pp.172-175 |
| RCS, SR, SRW (Joint) |
2020-03-06 09:20 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
A Performance Evaluation on Effects of Propagation Delay Difference in a Base-Station-Cooperative System Masaaki Ito, Issei Kanno, Takeo Ohseki, Kosuke Yamazaki (KDDI Research) RCS2019-384 |
Cell-free massive MIMO is paid attention to for the post-5G (or 6G) cellular system. It is expected to increase user dat... [more] | RCS2019-384 pp.329-334 |
| MI | 2020-01-29 16:20 |
Okinawa | OKINAWAKEN SEINENKAIKAN | Surgical tool segmentation from laparoscopic images using laparoscopic image syntheses and deep learning Takuya Ozawa, Yuichiro Hayashi, Hirohisa Oda, Masahiro Oda (Nagoya Univ.), Takayuki Kitasaka (Aich Ins. of Tech.), Nobuyoshi Takeshita, Masaaki Ito (NCC East), Kensaku Mori (Nagoya Univ.) MI2019-94 |
This paper proposes a surgical tool segmentation method from laparoscopic images using image synthesis and deep learning... [more] | MI2019-94 pp.129-134 |
| MI | 2020-01-30 13:25 |
Okinawa | OKINAWAKEN SEINENKAIKAN | Bleeding area segmentation from laparoscopic video based on U-Net for laparoscopic surgery support Shota Yamamoto, Yuichiro Hayashi, Shintaro Morimitsu, Takuya Ozawa (Nagoya Univ.), Takayuki Kitasaka (Aichi Institute of Tech.), Masahiro Oda (Nagoya Univ.), Nobuyoshi Takeshita, Masaaki Ito (Cancer Center), Kensaku Mori (Nagoya Univ.) MI2019-115 |
This paper reports a bleeding region segmentation method in laparoscopic videos based on U-Net for laparoscopic surgery ... [more] | MI2019-115 pp.209-214 |
| CS, CAS | 2018-03-13 15:30 |
Fukuoka | Nishijin Plaza, Kyushu University | On Reduction of Calculation Complexity of Polar Codes over Fading Channels Masaaki Ito, Fumio Takahata (Waseda Univ.) CAS2017-158 CS2017-112 |
Algorithms for improving performances of polar codes over fading channels have been proposed, but it seems to be a probl... [more] | CAS2017-158 CS2017-112 pp.139-144 |
| EMM | 2018-01-29 14:00 |
Miyagi | Tohoku Univ. (Aobayama Campus) | Study on restoration of a spatio-temporal sound pressure distribution image obtained with a microphone array Kenji Ozawa, Masaaki Ito, Genya Shimizu, Eri Takizawa, Masanori Morise (Univ. Yamanashi), Shuichi Sakamoto (Tohoku Univ.) EMM2017-66 |
This project aims to achieve sound source separation by two-dimensional fast Fourier transform (2D-FFT) of a spatio-temp... [more] | EMM2017-66 pp.1-6 |
| EMM | 2017-01-31 13:30 |
Miyagi | Tohoku University (Miyagi) | Study on the basic properties of a micro-spaced microphone array Genya Shimizu, Kenji Ozawa, Masaaki Ito, Masanori Morise (Univ. Yamanashi), Shuichi Sakamoto (Tohoku Univ.) EMM2016-85 |
Microphone arrays have been used to separate sound sources to improve speech recognition in a noisy environment. We prop... [more] | EMM2016-85 pp.67-72 |
| MI | 2014-01-26 13:30 |
Okinawa | Bunka Tenbusu Kan | An Improvement of Automated Lymph Node Detection Method from 3D Abdominal X-ray CT Images using Feature Selection Method Yoshihiko Nakamura (Nagoya Univ.), Takayuki Kitasaka, Shinji Mizuno (Aichi Inst. of Tech.), Kazuhiro Furukawa, Hidemi Goto, Michitaka Fujiwara (Nagoya Univ.), Kazunari Misawa (Aichi Cancer Center Hospital), Masaaki Ito (National Cancer Center Hospital East), Shigeru Nawano (IUHW Mita Hospital), Kensaku Mori (Nagoya Univ.) MI2013-72 |
We have been developing automatical abdominal lymph node detection methods to aid pre-operating diagnosis for surgery of... [more] | MI2013-72 pp.85-90 |
| MI | 2011-01-20 11:30 |
Okinawa | Naha-Bunka-Tembusu | A study of automatic lymph node detection method based on combining a number of detection techniques from 3D abdominal X-ray CT images Yoshihiko Nakamura (Nagoya Univ.), Takayuki Kitasaka, Shinji Mizuno (Aichi Inst. of Tech.), Kazuhiro Furukawa, Hidemi Goto, Michitaka Fujiwara (Nagoya Univ.), Kazunari Misawa (Aichi Cancer Center Hosp.), Masaaki Ito (National Cancer Center Hosp. East), Shigeru Nawano (IUHW Mita Hosp.), Kensaku Mori (Nagoya Univ.) MI2010-109 |
[more] | MI2010-109 pp.147-152 |
| PRMU, IE, MI | 2009-05-28 14:30 |
Gifu | Gifu Univ. | An improvement of lymph node extraction method using local intensity structure analysis from 3D abdominal X-ray CT images Yoshihiko Nakamura (Nagoya Univ), Takayuki Kitasaka (Aichi Inst. of Tech.), Kensaku Mori, Yasuhito Suenaga (Nagoya Univ), Masaaki Ito (National Cancer Center Hosp. East), Shigeru Nawano (IUHW Mita Hosp.) IE2009-22 PRMU2009-13 MI2009-13 |
[more] | IE2009-22 PRMU2009-13 MI2009-13 pp.69-74 |
| MI | 2007-01-26 16:50 |
Overseas | the Cheju National Univ. | A study on Vascular Navigation System for the aid of laparoscope surgery based on 3D abdominal CT images Tsutomu Inoue, Yoshihiko Nakamura, Kensaku Mori, Takayuki Kitasaka, Yuichiro Hayashi, Yasuhito Suenaga (Nagoya Univ.), Masaaki Ito, Shigeru Nawano (Center Hospital East) |
[more] | MI2006-120 pp.137-140 |
| MI | 2007-01-27 10:15 |
Overseas | the Cheju National Univ. | A study on blood vessel segmentation and lymph node detection using local intensity structure analysis from 3D abdominal X-ray CT images Yoshihiko Nakamura, Yukihiro Tsujimura, Takayuki Kitasaka, Kensaku Mori, Yasuhito Suenaga (Nagoya Univ.), Masaaki Ito, Shigeru Nawano (National Cancer Center Hosp. East) |
[more] | MI2006-176 pp.73-76 |
| ED | 2006-08-03 13:50 |
Osaka | Osaka Univ. Convention Center | Secondary Thin CNTs formed on Thick CNTs and the Field-Emission Characteristics Hiroyuki Kurachi, Sashiro Uemura, Junko Yotani, Takeshi Nagasako, Hiromu Yamada, Tomotaka Ezaki, Tsuyoshi Maesoba, Takehiro Nakao, Masaaki Ito, Akira Sakurai, Hideo Shimoda (Noritake Co., Ltd.), Yahachi Saito, Hisanori Shinohara (Nagoya Univ.) |
The formation of many carbon nanotube (CNT) tips with small diameter on the surface of thick CNTs was investigated to im... [more] | ED2006-119 pp.11-15 |
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