| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 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] |
|
| 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
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] |
|
| IEICE-EID, IDY, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2021-01-28
13:30 |
Kyoto |
|
Mn5+ activated M2GeO4(M = Ca, Sr, Ba) near-infrared phosphors for in-vivo imaging
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kouhei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
[more] |
|
| BCT, IEICE-SIS |
2020-10-02
10:00 |
Online |
Online |
A study on ANC using multiple virtual microphone
Itsuki Kojima, Keisuke Okano, Kouhei Matsuhisa, Naoto Sasaoka, Yoshio Itoh (Tottori Univ.) |
[more] |
|
| IEICE-MI, IEICE-IE, IEICE-SIP, IEICE-BioX, IST, ME [detail] |
2020-05-29
11:00 |
Online |
Online |
Person Authentication Using Evoked EEG by Ultrasound
-- Reduction of Calculation Amount and Introduction of Fractal Dimension Feature --
Kotaro Mukai, Isao Nakanishi (Tottori Univ.) |
[more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
13:50 |
Tottori |
Tottori Univ |
[Poster Presentation]
Investigation of correlation between PL temperature characteristics and charge transfer state (CTS) in Eu3+ activated red multi-anion compound phosphors
Misa Kawashima, Ken Kinoshita, Takuya Sohma, Kodai Nakamoto, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Eu3+ activated red multi-anion compound phosphors, such as Y4Si2O7N2:Eu3+ (YSON), La2O3:Eu3+ (LO) and LaOF:Eu3+ (LOF), h... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:00 |
Tottori |
Tottori Univ |
[Poster Presentation]
Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3
KenKinoshita, Misa Kawashima, Takuya Sohma, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokusima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ ... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:10 |
Tottori |
Tottori Univ |
[Poster Presentation]
Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24
10:55 |
Tottori |
Tottori Univ |
[Poster Presentation]
Current injection type emission devices using conductive ternary sulfide/oxide phosphor thin films
Kazuki Tsujimori, Syunjo Koga, Tadashi Ishigki, Koutoku Ohmi (Tottori Univ.) |
In this study, the fabrication of current-injection type light-emitting devices using CuAlS_2:Mn and ZnGa_2O_4:Cr polycr... [more] |
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