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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-02-28 09:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
A Study on Designing Hopping Patterns Based on Euler Graphs for Inaudible Sound Communication Systems Naofumi Aoki, Kosei Ozeki (Hokkaido Univ.), Kenichi Ikeda, Hiroshi Yasuda, Hiroyuki Namba (SST)  EA2022-80 SIP2022-124 SP2022-44 |
The inaudible sound communication system of our implementation estimates the correct positions of received symbols for t... [more] | EA2022-80 SIP2022-124 SP2022-44 pp.31-34 |
| EA, ASJ-H, ASJ-MA, ASJ-SP | 2022-07-07 17:15 |
Hokkaido | Investigation of an sound event detection system for ultrasound signals. Kosei Ozeki, Naofumi Aoki, Yoshinori Dobashi (Hokkaido Univ.), Ikeda Kenichi, Yasuda Hiroshi (SST) EA2022-22 |
Acoustic wave communication is more prone to errors in information identification than radio wave communication because ... [more] | EA2022-22 pp.47-50 |
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| EA, ASJ-H, ASJ-MA, ASJ-SP | 2022-07-08 09:30 |
Hokkaido | [Invited Talk]
Development and practice of sound communication technology Kenichi Ikeda, Hiroshi Yasuda, Hiroyuki Namba (SST), Naohumi Aoki, Kosei Ozeki (Hokkaido Univ.) EA2022-24 |
SST, Inc. has been developing technologies for proximity communication, check-in, and authentication using sound commu... [more] |
EA2022-24 pp.55-56 |
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| EA, ASJ-H | 2021-07-16 11:05 |
Online | Online | A study on the online speech data collection for speech synthesis Yuya Hoshiko, Naofumi Aoki, Kosei Ozeki, Yoshinori Dobashi (Hokkaido Univ.) EA2021-15 |
There are high expectations for text-to-speech systems for people who are unable to speak with their own voice, such as ... [more] | EA2021-15 pp.72-74 |
| SP, IPSJ-SLP, IPSJ-MUS | 2021-06-19 13:00 |
Online | Online | A Research Related to the Fricative Sound Determination in Digital Pattern Playback Hiroki Otake, Naofumi Aoki, Kosei Ozeki, Yoshinori Dobashi (Hokkaido Univ.) SP2021-13 |
Pattern Playback (PP) is a device which converts spectrograms into speech by amplitude modulation, and Digital Pattern P... [more] | SP2021-13 pp.53-56 |
| SP, IPSJ-SLP, IPSJ-MUS | 2021-06-19 15:00 |
Online | Online | Development of ultrasonic signal classification system using deep learning Kosei Ozeki, Naofumi Aoki, Yoshinori Dobashi (Hokkaido Univ.), Kenichi Ikeda, Hiroshi Yasuda (SST) SP2021-21 |
The problem with sound wave communication is that it causes more incorrect identification than radio wave communication.... [more] | SP2021-21 pp.97-100 |
| EA, ASJ-H | 2020-07-20 13:00 |
Online | Online | A Symbol Classification Technique for Inaudible Sound Communication Systems Using a Machine Learning Approach Kosei Ozeki, Naofumi Aok, Saki Anazawa, Yoshinori Dobashi (Hokkaido Univ.), Kenichi Ikeda, Hiroshi Yasuda (SST, Inc.) EA2020-1 |
In this research, we have developed a system that performs data communication by embedding information in high frequency... [more] | EA2020-1 pp.1-6 |
| EA, ASJ-H | 2020-07-20 13:50 |
Online | Online | A Noise Reduction Technique for Inaudible Sound Communication Systems Using a Denoising Filter Consisting of U-Net Saki Anazawa, Naofumi Aoki, Kosei Ozeki, Yoshinori Dobashi (Hokkaido Univ.), Kenichi Ikeda, Hiroshi Yasuda (SST, Inc.) EA2020-3 |
This study investigates a noise reduction technique for sound signals that secretly transmit binary symbols via high fre... [more] | EA2020-3 pp.13-17 |
| EA, ASJ-H | 2020-07-21 11:25 |
Online | Online | Implementation of Digital Pattern Playback Using Python Hiroki Otake, Naofumi Aoki, Kosei Ozeki, Yoshinori Dobashi (Hokkaido Univ.) EA2020-12 |
This study focuses on improving the speech quality of digital pattern playback. This paper reports our implementation of... [more] | EA2020-12 pp.67-70 |
| EA, ASJ-H, ASJ-AA | 2019-07-16 10:00 |
Hokkaido | SAPPORO COMMUNITY PLAZA | A Study on Sound Communication in Inaudible Band Based on Neural Network Kosei Ozeki, Naofumi Aoki, Yoshinori Dobashi (Hokkaido Univ.) EA2019-1 |
In this research, we have developed a system that performs data communication by embedding information in high frequency... [more] | EA2019-1 pp.1-4 |
| WPT | 2019-03-07 16:20 |
Kyoto | Kyoto Univ. Uji Campus | Analysis and measurement of Metamaterial Reflect Array using Diode for environment improvement of lo T radio wave Kosei Ozeki, Airi Yamamoto, Takuto Ohsawa, Tamami Maruyama (NITH), Noriharu Suematsu, Hiroyasu Sato (TU), Mizuki Motoyoshi (Tohoku University), Manabu Omiya (HU) WPT2018-79 |
This paper proposed a novel reflectarray to achieve switching of the direction of radio waves that composed of meta-surf... [more] | WPT2018-79 pp.77-81 |
| MW, WPT | 2018-04-27 16:30 |
Tokyo | Kikai-Shinko-Kaikan Building | Characteristics of patch antennas with diode by WPT Kosei Ozeki, Takuto Osawa, Tamami Maruyama (HNCT) WPT2018-9 MW2018-9 |
This paper propose dual-band patch antenna using diodes that set between two patches. The antenna length is equivalently... [more] | WPT2018-9 MW2018-9 pp.41-44 |
| WPT | 2018-03-03 14:30 |
Kyoto | Kyoto Univ. Uji Campus | Electric field coupling wireless power transmission using disposal electric train rail for feeder Shiori Ishisa, Kaito Kawamori, Tamami Maruyama, Takuto Osawa, Kosei Ozeki (National Institute of Technology, Hakodate College) WPT2017-86 |
It is possible to move the EV model using energy harvest that converts radio waves received from transceivers, WIFI, mic... [more] | WPT2017-86 pp.93-96 |
| WPT | 2018-03-03 14:50 |
Kyoto | Kyoto Univ. Uji Campus | Electric field coupling wireless power transmission using disposal electric train rail for feeder Kaito Kawamori, Kosei Ozeki, Tamami Maruyama (National Institute of Technology, Hakodate College), Naoki Sakai (TUT), Takuto Osawa (National Institute of Technology, Hakodate College) WPT2017-87 |
There are studies of electric road which supply a power to electric viecle which does not carry the battery was studied.... [more] | WPT2017-87 pp.97-100 |
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