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 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EMM, EA, ASJ-H 2021-11-15
13:30
Online Online [Poster Presentation] Noise suppression by instantaneous spectral subtraction based on simultaneous estimation of amplitude and phase of noise spectrum
Koki Takenaka, Kenji Ozawa (Grad School, Univ. of Yamanashi) EA2021-42 EMM2021-69
Noise suppression using a microphone array and neural networks (NN) has been investigated .In this study, the output fro... [more] EA2021-42 EMM2021-69
pp.85-90
EA, ASJ-H 2020-08-07
13:25
Online Online Suppression of multiple noises with different directions of arrival using instantaneous spectrum subtraction
Koki Takenaka, Kenji Ozawa (Grad School, Univ. of Yamanashi) EA2020-15
Studies on noise suppression using a microphone array and neural networks (NN) have been conducted. In this study, the o... [more] EA2020-15
pp.9-14
EA, ASJ-H 2019-08-09
11:00
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
pp.53-58
EMM 2018-01-29
14:00
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
pp.1-6
EMM 2017-01-31
13:30
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
pp.67-72
EA 2007-04-27
15:15
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo, Japan) A study on improved DOA estimation from binaural sound
Takayuki Wakatake, Yoshifumi Nagata (Iwate Univ.), Satoshi Iwasaki (Aichi Medical Univ.), Takahiko Hariyama (Hamamatsu Univ. S. M.), Toyota Fujioka, Masato Abe (Iwate Univ.) EA2007-4
In order to improve estimation accuracy of directions of arrival(DOA) of sound sources, we propose a new weighting funct... [more] EA2007-4
pp.17-22
AP 2007-04-19
10:00
Hyogo Kwansei Gakuin Univ. Effects of the baffle height on radiation power in a two-dimensional waveguide-slot array antenna
Takehito Suzuki, Jiro Hirokawa, Makoto Ando (Tokyo Tech) AP2007-1
A co-phase feed or alternating phase feed slotted waveguide array with baffles is analyzed by the spectral domain approa... [more] AP2007-1
pp.1-6
PRMU, NLC, TL 2006-10-20
11:15
Tokyo   Distinction between Hand-Written-Character and Printed-Character Regions Based on Textural Features
Jumpei Koyama (The Univ. of Tokyo), Masahiro Kato (Fuji Xerox), Akira Hirose (The Univ. of Tokyo)
The realization of a technique to distinguish between hand-written-character and printed-character regions is significan... [more] PRMU2006-108
pp.23-28
RCS 2004-08-27
13:00
Hokkaido Hokkaido University Field Experiments on Adaptive Antenna Array-Beam Forming with Simultaneous Received Path Timing and DOA Estimations Based on Two-Dimensional Power Profile in Broadband CDMA Reverse Link
Takashi Kataoka, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi (NTT DoCoMo)
This paper presents field experimental results on adaptive antenna array-beam forming (AAA-BF) receiver with simultaneou... [more] RCS2004-144
pp.49-54
 Results 1 - 9 of 9  /   
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