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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
IT 2023-08-04
Kanagawa Shonan Institute of Technology
(Primary: On-site, Secondary: Online)
Constructing Visual Cryptography Schemes for Multiple Images Using SAT Technology
Tako Hiroaki (Univ. Yamanashi), Xiao-Nan Lu (Gifu Univ.), Nabeshima Hidetomo (Univ. Yamanashi) IT2023-25
The visual cryptography scheme (VCS) is a type of secret sharing scheme for images.The VCS uses matrices called basis ma... [more] IT2023-25
EA, ASJ-H, ASJ-MA, ASJ-SP 2023-07-03
Hokkaido   An Idea about Pretraining in EEG Domain
Xianhua Su (Univ. Yamanashi/HDU), Wanzeng Kong, Xuanyu Jin (HDU), Teruki Toya, Kenji Ozawa (Univ. Yamanashi) EA2023-15
Given that pre-training in the EEG domain is currently performed using unsupervised training, this approach can currentl... [more] EA2023-15
MW, WPT 2022-04-15
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] High efficiency wireless power transfer using high quality factor coil with novel superconducting wire
Naoto Sekiya (Univ. Yamanashi) WPT2022-5 MW2022-5
We have developed an efficient wireless power transfer (WPT) system using a high-temperature superconductor (HTS) spiral... [more] WPT2022-5 MW2022-5
SDM 2020-02-07
Tokyo Tokyo University-Hongo Formation of passivation layer on Cu and Co surfaces in BTA-H2O2 aqueous solutions
Kondoh, Eiichi, Toyama, Mao, Takeuchi, Shota, Jin, Lianhua (Univ. Yamanashi), Ryota Koshino, Hamada, Satomi, Shima, Shohei, Hiyama, Hirokuni (Ebara Corp.) SDM2019-88
 [more] SDM2019-88
EA, ASJ-H 2019-08-09
Miyagi Tohoku Univ. Study on Noise Suppression by Differential-type Microphone Array and Machine Learning of 2D Spectrum
Koichiro Shiozawa, Kenji Ozawa (Univ. Yamanashi), Tomohiko Ise (AlpsAlpine) EA2019-31
This project aims to achieve noise suppression by processing of the output of a microphone array with an artificial neur... [more] EA2019-31
EA, SIP, SP 2019-03-15
Nagasaki i+Land nagasaki (Nagasaki-shi) [Poster Presentation] Faster than real-time and audio sampling rate extraction of fo candidates using an analytic signal with prolate spheroidal wave function as envelope
Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Masanori Morise (Univ. Yamanashi), Yuichi Ishimoto (NINJAL) EA2018-151 SIP2018-157 SP2018-113
We propose an extractor of fundamental frequency candidates which runs faster than real-time. It uses power weighted ave... [more] EA2018-151 SIP2018-157 SP2018-113
EA, ASJ-H, EMM, IPSJ-MUS [detail] 2018-11-21
Ishikawa Hotel Koshuen An analytic signal with a cosine series envelope for excitation source analyses of voiced speech -- Practical substitute of Flanagan's equation --
Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Science Univ.), Hideki Banno (Meijyo Univ.), Masanori Morise (Univ. Yamanashi) EA2018-63 EMM2018-63
We introduce an analytic signal for excitation source analysis of voiced sounds. The envelope of the signal is a six-ter... [more] EA2018-63 EMM2018-63
EA, ASJ-H, EMM, IPSJ-MUS [detail] 2018-11-21
Ishikawa Hotel Koshuen A Study on Sound Source Separation Using Spatio-temporal Sound Pressure Distribution Images and Machine Learning
Koichiro Shiozawa, Kenji Ozawa (Univ. Yamanashi), Tomohiko Ise (Alpine) EA2018-67 EMM2018-67
Sound source separation using a microphone array is effective in various situations such as sound source separation in a... [more] EA2018-67 EMM2018-67
EA, ASJ-H 2018-08-24
Miyagi Tohoku Gakuin Univ. Acoustic measurements using a frequency domain velvet noise and interference-free power spectral representations of periodic sounds
Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Mitsunori Mizumachi (Kyu Tech.) EA2018-42
We propose a new framework consisting of a test signal for acoustic impulse response measurement and analysis procedures... [more] EA2018-42
EA, ASJ-H, ASJ-AA 2018-07-25
Hokkaido Hokkaido Univ. Interference-free power spectral representations of periodic sounds and their application to VOCODERs
Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) EA2018-23
We propose a method to calculate the spectral envelope of voiced sounds for VOCODER applications. In our previous techni... [more] EA2018-23
PRMU, SP 2018-06-29
Nagano   Revisiting interference-free power spectral representations of periodic signals
Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) PRMU2018-29 SP2018-9
We propose two algorithms to calculate interference-free power spectra of periodic signals. This set of algorithms is ou... [more] PRMU2018-29 SP2018-9
EMM 2018-01-29
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
EMM 2017-01-31
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
AP 2016-03-10
Yamanashi Isawa Onsen (Kanpo no Yado) [Special Talk] IEEE AP-S Tokyo Chapter Special Talk
Naoto Sekiya (Univ. Yamanashi)
SDM 2016-01-22
Tokyo Sanjo Conference Hall, The University of Tokyo Copper Thin Film Growth using Cu(I) Amidinate Precursor in Supercritical Carbon Dioxide
Md Rasadujjaman, Mitsuhiro Watanabe (Univ. Yamanashi), Hiroshi Sudoh, Hideaki Machida (Gas phase growth), Eiichi Kondoh (Univ. Yamanashi) SDM2015-110
 [more] SDM2015-110
SP 2015-08-21
Iwate Iwate Prefectural Univ. [Invited Talk] Introduction of Techniques and Evaluation Framework on Information Retrieval for Spoken Documents
Hiromitsu Nishizaki (Univ. Yamanashi), Tomoyoshi Akiba (Toyohashi Univ. Tech.) SP2015-54
Spoken document retrieval (SDR), one of research topic on spoken language technologies, is a search technology for speec... [more] SP2015-54
EA, ASJ-H 2015-08-03
Miyagi Tohoku Univ., Research Inst. of Electrical Communication Aliasing reduction in L-F model implementation for an interactive tool applicable to speech science education
Hideki Kawahara (Wakayama Univ.), Ken-Ichi Sakakibara (Health Sciences Univ. Hokkaido), Hideki Banno (Meijo Univ.), Masanori Morise (Univ. Yamanashi), Tomoki Toda (NAIST), Toshio Irino (Wakayama Univ.) EA2015-10
 [more] EA2015-10
EA, ASJ-H 2015-08-04
Miyagi Tohoku Univ., Research Inst. of Electrical Communication On Development of an Estimation Model for Instantaneous Presence in Audio-visual Content
Shota Tsukahara, Kenji Ozawa, Yuichiro Kinoshita, Masanori Morise (Univ. Yamanashi)
The sense of presence is often used to evaluate the performances of audio-visual (AV) content and systems. However, a pr... [more] EA2015-17
NLP 2015-01-27
Oita Compal Hall Frustration-driven synchronization in candle flame oscillation
Keiko Okamoto, Takeshi Furuya, Akifumi Kijima (Univ. Yamanashi), Yoshitaka Umeno (Tokyo Univ.), Hiroyuki Shima (Univ. Yamanashi) NLP2014-134
When a few candles are bundled together and ignited, the size of the flames exhibited temporal oscillation due to oxygen... [more] NLP2014-134
PN 2014-03-03
Kagawa Tokushima Bunri University 2.42Gbps Optical OFDM transmission experiment using Time-domain Equalization over 3168m MMF
Shuzo Matsushita, Izumi Mizukoshi, Kazuhiko Nakamura, Masanori Hanawa (Univ. Yamanashi) PN2013-95
Multi mode fiber's (MMFs) has been estimated that approximately 19.5 million kilometers of it have been installed in-cam... [more] PN2013-95
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