Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMD, R, LQE, OPE, CPM |
2022-08-25 13:10 |
Chiba |
(Primary: On-site, Secondary: Online) |
Diffractive optical element with limited long-distance focusing range Masahiro Ueno, Sohan Kawamura, Takashi Sakamoto, Masayuki Tsuda (NTT) R2022-16 EMD2022-4 CPM2022-21 OPE2022-47 LQE2022-10 |
In the rust removal using high-power laser, it is desirable to extend the focusing the focusing range to suppress the in... [more] |
R2022-16 EMD2022-4 CPM2022-21 OPE2022-47 LQE2022-10 pp.1-6 |
R, LQE, OPE, CPM, EMD |
2021-08-27 11:30 |
Online |
Online (Zoom) |
Diffractive optical element with long-distance focusing range Masahiro Ueno, Sohan Kawamura, Takashi Sakamoto, Eiko Sato, Yuichi Akage, Yurina Tanaka, Souichi Oka (NTT) R2021-23 EMD2021-4 CPM2021-13 OPE2021-24 LQE2021-3 |
In rust removal by irradiation with high-power laser light, it is desirable to make the beam spot smaller in order to in... [more] |
R2021-23 EMD2021-4 CPM2021-13 OPE2021-24 LQE2021-3 pp.8-13 |
RECONF |
2020-09-10 13:30 |
Online |
Online |
With GPU-FPGA Heterogeneous computing, Highly Effective Communication for Distributed Deep Learning Kenji Tanaka, Yuki Arikawa, Tsuyoshi Ito, Kazutaka Morita, Naru Nemoto, Fumiaki Miura, Kazuhiko Terada, Junji Teramoto, Takashi Sakamoto (NTT) RECONF2020-19 |
In distributed deep learning (DL), collective communication (Allreduce) used to share training results between GPUs is a... [more] |
RECONF2020-19 pp.1-6 |
R, LQE, OPE, CPM, EMD |
2020-08-28 11:25 |
Online |
Online |
Precision Improvement of FMCS LiDAR by Point Spread Function using Spectrum Masahiro Ueno, Yurina Tanaka, Yuichi Akage, Takashi Sakamoto, Sohan Kawamura, Souichi Oka (NTT) R2020-11 EMD2020-10 CPM2020-3 OPE2020-23 LQE2020-3 |
Ranging precision is a important performance index in FMCW LiDAR, which is one of ranging technologies using light. In F... [more] |
R2020-11 EMD2020-10 CPM2020-3 OPE2020-23 LQE2020-3 pp.11-16 |
EMD, LQE, OPE, CPM, R |
2018-08-23 15:20 |
Hokkaido |
Otaru Camber of Commerce & Industry |
Coherence Length Extension Effect of Swept Light Source by Constant Output Power Control Masahiro Ueno, Mingchen Chen, Seiji Toyoda, Takashi Sakamoto, Yuichi Akage, Joji Yamaguchi, Tadashi Sakamoto (NTT) R2018-22 EMD2018-25 CPM2018-25 OPE2018-52 LQE2018-41 |
Swept source optical coherence tomography (SS-OCT) is a technique to capture tomographic images of moving objects at hig... [more] |
R2018-22 EMD2018-25 CPM2018-25 OPE2018-52 LQE2018-41 pp.25-30 |
R, EMD, CPM, LQE, OPE |
2017-08-31 14:20 |
Aomori |
|
Suppression of SS-OCT thickness Measurement Value Drift by Adaptation to Central Wavelength Shift of Sweep Range Masahiro Ueno, Takashi Sakamoto, Seiji Toyoda, Yuzo Sasaki, Joji Yamaguchi, Tadashi Sakamoto (NTT), Masatoshi Fujimoto, Mahiro Yamada (Hamamatsu Photonics K. K.), Eiichi Sugai, Toru Kodaira (NTT-AT) R2017-26 EMD2017-20 CPM2017-41 OPE2017-50 LQE2017-23 |
Swept source optical coherence tomography (SS-OCT) is a technique to capture tomographic images of moving objects at hig... [more] |
R2017-26 EMD2017-20 CPM2017-41 OPE2017-50 LQE2017-23 pp.11-16 |
LQE, OPE, EMD, R, CPM |
2016-08-25 16:05 |
Hokkaido |
|
Stabilization of a Swept Light source for SS-OCT with a KTN Light Deflector Masahiro Ueno, Tadayuki Imai, Takashi Sakamoto, Yuzo Sasaki, Seiji Toyoda, Joji Yamaguchi, Tadashi Sakamoto (NTT), Yukihiko Ushiyama (NTT-AT), Mahiro Yamada, Masatoshi Fujimoto (Hamamatsu Photonics) R2016-29 EMD2016-33 CPM2016-42 OPE2016-63 LQE2016-38 |
Electronic injection to a KTN crystal enables a deflector with a large deflection angle that is about 100m radians. It i... [more] |
R2016-29 EMD2016-33 CPM2016-42 OPE2016-63 LQE2016-38 pp.49-53 |
CPM, OPE, LQE, R, EMD |
2015-08-27 16:50 |
Aomori |
Aomori-Bussankan-Asupamu |
Improvement of SNR in a SS-OCT with a KTN-based Light Source by Rescaling with High Accuracy Masahiro Ueno, Seiji Toyoda, Takashi Sakamoto, Yuzo Sasaki, Tadashi Sakamoto (NTT) R2015-33 EMD2015-41 CPM2015-57 OPE2015-72 LQE2015-41 |
Optical coherence tomography (OCT) is an imaging technique with cell-level resolution. OCT with swept light source (SS-O... [more] |
R2015-33 EMD2015-41 CPM2015-57 OPE2015-72 LQE2015-41 pp.53-58 |
EMD, LQE, OPE, CPM, R |
2014-08-21 10:55 |
Hokkaido |
Otaru Economy Center |
Improvement of Coherence length and SNR in a 200-kHz Swept Light Source with a Wide-angle Electro-optic Scanner using KTN crystal Masahiro Ueno, Seiji Toyoda, Takashi Sakamoto, Yuzo Sasaki, Junya Kobayashi (NTT) R2014-24 EMD2014-29 CPM2014-44 OPE2014-54 LQE2014-28 |
Optical coherence tomography (OCT) is an imaging technique with cell-level resolution. We have developed a light source ... [more] |
R2014-24 EMD2014-29 CPM2014-44 OPE2014-54 LQE2014-28 pp.7-12 |
HCS |
2011-01-21 10:30 |
Osaka |
Osaka University Nakanoshima Center |
Children's eye movements in the reading a picture-book
-- focusing on the relationship between comprehension tests and gazing at the target area -- Yukiko Iso, Hisako Tsuboi, Etsuko Togo, Takashi Sakamoto (Tokyo Future Univ.) HCS2010-46 |
This study investigated the relationship between children’s eye movements and understanding of the stories in the readin... [more] |
HCS2010-46 pp.13-18 |
ET |
2008-05-23 13:00 |
Tokyo |
|
[Special Invited Talk]
Origin of Educational Technology Research in Japan Takashi Sakamoto (Prof. Emeritus, Tokyo inst. of Tech.) ET2008-1 |
It has been 40 years since the establishment of the Technical Group on Educational Technology in the Institute of Electr... [more] |
ET2008-1 pp.1-5 |
|