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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
IMQ, HIP 2023-07-28
15:30
Hokkaido Satellite Campus, Sapporo City University Investigation of the relationship between emotion estimation and human joint points based on a posture estimation model
Tosiki Honma, Kenta Niwa, Yuukou Horita (Univ of Toyama) IMQ2023-6 HIP2023-45
In order to consider urban happiness indices using area data, it is necessary to collect information on the conditions a... [more] IMQ2023-6 HIP2023-45
pp.15-20
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] 2023-06-30
10:45
Okinawa OIST Conference Center
(Primary: On-site, Secondary: Online)
Beyond Exponential Graph: Communication-Efficient Topologies for Decentralized Learning via Finite-time Convergence
Yuki Takezawa, Ryoma Sato, Han Bao (Kyoto Univ./OIST), Kenta Niwa (NTT CS Lab.), Makoto Yamada (OIST) NC2023-14 IBISML2023-14
Decentralized learning has recently been attracting increasing attention for its applications in parallel computation an... [more] NC2023-14 IBISML2023-14
pp.83-90
EA, ASJ-H 2021-07-15
10:55
Online Online A study of a small directional loud-speaker array that combines a horn loud-speaker and ordinary loud-speakers
Manabu Okamoto (Sojo Univ.), Ryotaro Sato, Kenta Niwa, Kazunori Kobayashi (NTT) EA2021-4
We propose a speaker array that combines multiple speakers with one small horn speaker. The horn speaker is mainly good ... [more] EA2021-4
pp.18-23
IBISML 2018-11-05
15:10
Hokkaido Hokkaido Citizens Activites Center (Kaderu 2.7) [Poster Presentation] Bregman monotone operator splitting and its application example
Kenta Niwa (NTT), W. Bastiaan Kleijn (VUW) IBISML2018-80
Monotone operator splitting is a powerful paradigm that facilitates parallel processing for optimization problems where ... [more] IBISML2018-80
pp.271-278
EA 2015-07-03
13:00
Tokyo The Univ. of Electro-Communications, 80th Anniversary Memorial Hall [Invited Talk] Auditory Control of Acoustic Space -- Reality and Individuality --
Kazuya Takeda (Nagoya University), Takanori Nishino (Mie University), Kenta Niwa (NTT), Yoichi Haneda (UEC), Hiroshi Saruwatari (The University of Tokyo), Ryouichi Nishimura (NICT) EA2015-5
One of typical goals of audio study is to create an enjoyable audio contents. Recent studies of audio technologies expan... [more] EA2015-5
pp.23-26
EA 2015-07-03
14:20
Tokyo The Univ. of Electro-Communications, 80th Anniversary Memorial Hall [Invited Talk] Study on angular region-wise source enhancement to generate binaural sounds corresponding to omni-directional camera view
Kenta Niwa, Yuma Koizumi, Kazunori Kobayashi, Hisashi Uematsu (NTT) EA2015-7
Web applications to gaze images corresponding to the user viewpoint through head mount display (HMD) or smartphone have ... [more] EA2015-7
pp.33-38
SIP, EA, SP 2015-03-03
10:45
Okinawa   [Poster Presentation] Beamforming with reflector by using array manifold vector based on the FDTD method
Hitomi Nakashima, Yoichi Haneda (UEC), Kenta Niwa (NTT) EA2014-110 SIP2014-151 SP2014-173
Recently, a microphone array with a reflector, which uses the acoustical information produced by the reflector such as r... [more] EA2014-110 SIP2014-151 SP2014-173
pp.207-212
SP, IPSJ-SLP 2012-12-21
14:40
Tokyo TITECH(Ookayama) Reduction of cross spectrum for feature-domain sound source separation
Atsushi Ando (Nagoya Univ.), Kenta Niwa (NTT), Norihide Kitaoka, Kazuya Takeda (Nagoya Univ.) SP2012-93
Speech source separation is utilized for recognition of simultaneous speech. Conventional source separation methods, esp... [more] SP2012-93
pp.107-112
EA 2011-11-18
15:15
Kumamoto Kumamoto Univ. Sound source distance estimation based on DOA of reflected sounds
Satoshi Esaki (Nagoay Univ.), Kenta Niwa (NTT), Takanori Nishino (Mie Univ.), Norihide Kitaoka, Kazuya Takeda (Nagoay Univ.) EA2011-85
A method for estimating the distance between a source and receiver using a small-size microphone array is proposed. The ... [more] EA2011-85
pp.19-24
EA 2011-06-23
16:00
Hokkaido Health Sci. Univ. of Hokkaido Study on super directive microphone array using multiple reflected sounds
Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Manabu Okamoto, Yoichi Haneda (NTT) EA2011-34
The purpose of this research is to develop a super directive microphone array that can pick up distant sounds, like a c... [more] EA2011-34
pp.25-30
EA 2011-06-23
16:30
Hokkaido Health Sci. Univ. of Hokkaido Picking up sounds at different distances with microphone array using reflected sounds
Kenta Niwa, Sumitaka Sakauchi, Ken'ichi Furuya, Manabu Okamoto, Yoichi Haneda (NTT) EA2011-35
The purpose of this research is to pick up target sounds at different distances in same direction with a microphone arra... [more] EA2011-35
pp.31-36
EA 2008-03-07
14:30
Tokyo NTT Musashino R&D Center Encoding of Large Microphone Array signals for Slective Listening Point Audio Representation based on Blind Source Separation
Kenta Niwa, Takanori Nishino, Kazuya Takeda (Nagoya Univ.) EA2007-120
This paper describes a method of selective listening point-type acoustic field representation. An appreciation system th... [more] EA2007-120
pp.49-54
EA 2007-06-29
15:00
Hokkaido Hokkaido Univ. Free viewpoint and listening point contents for musical performance using blind signal separation and head related transfer function
Kenta Niwa, Takanori Nishino, Kazuya Takeda (Nagoya Univ.) EA2007-32
This paper describes the development of a FTV(Free viewpoint and listening point TV) system on which users can view imag... [more] EA2007-32
pp.31-36
 Results 1 - 13 of 13  /   
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