| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IST, ME, IEICE-IE, IEICE-BioX, IEICE-SIP, IEICE-MI [detail] |
2025-06-05
15:00 |
Ishikawa |
|
Fusion of Feature Selection Methods in Person Verification Based on Finger-writing of a Simple Symbol
Kota Fukui, Hibiki Fujie, Takumi Fukuda, Isao Nakanishi (Tottori Univ.) |
We propose verification based on finger-writing of a simple symbol as one form of handwriting verification, in which use... [more] |
|
| IEICE-EID, IDY, SID-JC, IEIJ-SSL, IEE-EDD |
2025-01-23
14:15 |
Shizuoka |
|
[Poster Presentation]
Luminescent properties of Zn(Ga1-xInx)2O4:Cr3+ far-red phosphor powders and thin films
Akihisa Yamasaki, Misuke Maruyama, Koutoku Ohmi (Tottori Univ.) |
The luminescent properties of ZnGa2O4:Cr3+ far-red phosphors were investigated by In addition. In the phosphor powder sa... [more] |
|
| IEICE-EID, IDY, SID-JC, IEIJ-SSL, IEE-EDD |
2025-01-23
14:30 |
Shizuoka |
|
[Poster Presentation]
Visualization of high-voltage charged parts by using EL devices in electric power facilities
Ryosuke Nagai, Ibuki Ikeda, Koutoku Ohmi (Tottori Univ.), Shota Nakashima (EnerGia) |
In order to prevent electric shock accidents in electric power facilities, the visualization of the high-voltage chargin... [more] |
|
| IEICE-EID, IDY, SID-JC, IEIJ-SSL, IEE-EDD |
2025-01-23
14:35 |
Shizuoka |
|
[Poster Presentation]
Effects of charge compensators (Li, Na, K, Ni) for near-infrared Ca₂GeO₄:Mn⁵⁺ bio-imaging phosphors
Konan Taniguchi, Yuki Imai (Tottori Univ.), Masatoshi Ishida (Tokyo Metropolitan Univ.), Koutoku Ohmi (Tottori Univ.) |
In order to improve the luminescence properties of Ca2GeO4:Mn5+ as a near-infrared phosphor for biological imaging, the ... [more] |
|
| IEICE-EID, IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2024-01-25
13:35 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Luminescence and electrical properties of far-red ZnGa2O4:Cr3+ posphor thin films
-- Improvement in luminescent characteristics by In addition --
Ryota Hourai, Akihisa Yamasaki, Koutoku Ohmi (Tottori Univ.) |
The luminescent properties of ZnGa2O4:Cr3+ far-red phosphors were investigated by In addition. In the phosphor powder sa... [more] |
|
| IEICE-EID, IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2024-01-25
13:40 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Enhancement of luminous efficiency by charge compensator Na in near-infrared Ca2GeO4:Mn5+ phosphors for bio imaging
HIroto Sanzen, Konan Taniguchi, Koutoku Ohmi (Tottori Univ.), Masatoshi Ishida (Tokyo Metropolitan Univ.) |
[more] |
|
| IEICE-BioX, IEICE-SIP, IEICE-IE, IST, ME [detail] |
2023-05-18
13:00 |
Mie |
Sansui Hall, Mie University
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Various Biometric Modalities
Isao Nakanishi (Tottori Univ.) |
[more] |
|
| IEICE-BioX, IEICE-SIP, IEICE-IE, IST, ME [detail] |
2023-05-19
13:30 |
Mie |
Sansui Hall, Mie University
(Primary: On-site, Secondary: Online) |
Writer Verification Based on Finger-writing of a Simple Symbol
-- Introduction of Finger-softness Features --
Takumi Fukuda, Takahiro Horiuchi, Isao Nakanishi (Tottori Univ) |
[more] |
|
| IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] |
2023-01-27
14:25 |
Online |
|
Improvement of Photoluminescent Characteristics by Post Annealing in O3 atmosphere for Y4Si2O7N2:Eu3+ Red Phosphors
Rentaro Furuie, Hiroki Shinoda (TU), Takashi Kunimoto (Tokushima Bunri), Koutoku Ohmi (TU) |
A low-temperature post-annealing in O3 atmosphere has been attempted to enhance the Eu3+ activation for Y4Si2O7N2:Eu3+ r... [more] |
IDY2023-9
pp.33-36 |
| IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] |
2023-01-27
14:35 |
Online |
|
Study of dispersed inorganic EL devices using ZnS:Cu nanophosphors
-- Improvement of PL and EL characteristics by liquid-phase mixing ZnS:Cu and CuS particles --
Rei Matsukuma, Ryousuke Nagai, Koutoku Ohmi (Tottori Univ.) |
For the dispersed inorganic electroluminescence (EL) devices using ZnS:Cu phosphor, improvements of luminance and lumino... [more] |
IDY2023-10
pp.37-40 |
| IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] |
2023-01-27
14:45 |
Online |
|
Improvement of conductivity by post-annealing for ZnGa2O4:Cr3+ far-red phosphor thin films
Haruki Taniguchi, Ryouta Hourai, Akihisa Ymasaki, Koutoku Ohmi (Tottori Univ.) |
[more] |
|
| BCT, IEICE-SIS |
2022-10-13
14:35 |
Aomori |
Hachinohe Institute of Technology
(Primary: On-site, Secondary: Online) |
Faster Convergence of An Adaptive Notch Filter using Variable Step Size
Rei Shiroeda, Yasutomo Kinugasa (Institute of Tech.), Naoto Sasaoka, Yoshio Itoh (Tottori Univ.) |
A cascaded second order adaptive notch filters implemented using an allpass filter, for the elimination of multiple sinu... [more] |
|
| IEICE-SIP, IEICE-BioX, IEICE-IE, IEICE-MI, IST, ME [detail] |
2022-05-20
15:00 |
Kumamoto |
Kumamoto University
(Primary: On-site, Secondary: Online) |
Person Verification Based on Finger-Writing of a Simple Symbol on a Smartphone
-- Finger contact direction feature extraction by frequency distribution --
Takahiro Horiuchi, Masaya yamazaki, Isao Nakanishi (Tottori Univ.) |
We have studied on a technology to verify an individual by drawing a simple symbol that everyone are familiar and never ... [more] |
|
| IEICE-SIP, IEICE-BioX, IEICE-IE, IEICE-MI, IST, ME [detail] |
2022-05-20
15:20 |
Kumamoto |
Kumamoto University
(Primary: On-site, Secondary: Online) |
Person Verification Based on Finger-Writing of a Simple Symbol on a Smartphone
-- Improvement of polar transformation and effect of fusing uncorrelated features --
Isao Nakanishi, Kazuki Matsuura, Yohei Masegi, Takahiro Horiuchi (Tottori Univ.) |
We have studied to authenticate users based on their finger writing.
Users are asked to draw or write a simple symbol ... [more] |
|
| IDY, IEICE-EID, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2022-01-28
11:15 |
Online |
|
Dispersed inorganic EL devices using ZnS:Cu nanophosphors
-- -Improvement of luminescent characteristics by two-step Cu addition- --
Shuma Bando, Rei Matsukuma, Yoshinobu Shikata, Koutoku Ohmi (Tottori Univ.) |
[more] |
IDY2022-10
pp.47-50 |
| IDY, IEICE-EID, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2022-01-28
11:30 |
Online |
|
Liquid phase synthesis of near-infrared phosphor Ca2GeO4: Mn5+ for in vivo bioimaging
Yudai Nitta, Hiroto Sanzen, Koutoku Ohmi (Tottori Univ.) |
In our previous studies, Ca2GeO4:Mn5+ has been synthesized as a near-infrared (NIR) phosphor for bioimaging by the solid... [more] |
|
| IST, ME, IEICE-IE, IEICE-SIP, IEICE-BioX [detail] |
2021-06-04
09:30 |
Online |
Online |
Performance Improvement of Person Verification Using Evoked EEG by Imperceptible Vibration Stimulation
Hirotomo Nakashima, Yoshiaki Shindo, Isao Nakanishi (Tottori Univ) |
[more] |
|
| IST, ME, IEICE-IE, IEICE-SIP, IEICE-BioX [detail] |
2021-06-04
10:00 |
Online |
Online |
A Study on Performance Improvement of User Verification Using Intra-Palm Propagation Signals
Tomoaki Oku, Kohei Fujita, Isao Nakanishi (Tottori Univ.) |
[more] |
|
| IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2021-01-28
13:15 |
Kyoto |
|
Multinary oxide/oxysulfide phosphors and thin film emission devices
Kazuki Tsujimori, Haruki Taniguchi, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.) |
[more] |
|
| IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2021-01-28
13:20 |
Kyoto |
|
Thermal quenching characteristics under CTS excitaion in Y4Si2O7N2:Eu3+ red phosphors synthesized in NH3 atmosphere
Ken Kinoshita, Misa Kawashima, Rentaro Furuie, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
[more] |
|