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Research Output 1996 2019

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2019
2 Citations (Scopus)

Griffin-lim like phase recovery via alternating direction method of multipliers

Masuyama, Y., Yatabe, K. & Oikawa, Y., 2019 Jan 1, In : IEEE Signal Processing Letters. 26, 1, p. 184-188 5 p., 8552369.

Research output: Contribution to journalArticle

Method of multipliers
Alternating Direction Method
Recovery
Spectrogram
Acoustic signal processing

Modal decomposition of musical instrument sounds via optimization-based non-linear filtering

Masuyama, Y., Kusano, T., Yatabe, K. & Oikawa, Y., 2019 Jan 1, In : Acoustical Science and Technology. 40, 3, p. 186-197 12 p.

Research output: Contribution to journalArticle

Open Access
decomposition
optimization
acoustics
attack
simulation
2 Citations (Scopus)

Source directivity approximation for finite-difference time-domain simulation by estimating initial value

Takeuchi, D., Yatabe, K. & Oikawa, Y., 2019 Apr 1, In : Journal of the Acoustical Society of America. 145, 4, p. 2638-2649 12 p.

Research output: Contribution to journalArticle

directivity
finite difference time domain method
estimating
acoustic simulation
approximation

Three-dimensional noise and spatial mapping system with aerial blimp robot

Saitou, R., Ikeda, Y. & Oikawa, Y., 2019 Jan 1, In : Acoustical Science and Technology. 40, 1, p. 12-22 11 p.

Research output: Contribution to journalArticle

robots
propellers
pilotless aircraft
acoustic measurement
balloons
1 Citation (Scopus)

Visualization system for sound field using see-through head-mounted display

Inoue, A., Ikeda, Y., Yatabe, K. & Oikawa, Y., 2019 Jan 1, In : Acoustical Science and Technology. 40, 1

Research output: Contribution to journalArticle

sound fields
sound intensity
acoustics
cameras
2018
2 Citations (Scopus)

3D sound source localization based on coherence-adjusted monopole dictionary and modified convex clustering

Tachikawa, T., Yatabe, K. & Oikawa, Y., 2018 Oct 1, In : Applied Acoustics. 139, p. 267-281 15 p.

Research output: Contribution to journalArticle

dictionaries
monopoles
acoustics
estimating
estimates

Blind reverberation energy estimation using exponential averaging with attack and release time constants for hearing aids

Nozaki, K., Ikeda, Y., Oikawa, Y., Fujisaka, Y. I. & Sunohara, M., 2018 Dec 15, In : Applied Acoustics. 142, p. 106-113 8 p.

Research output: Contribution to journalArticle

reverberation
hearing
attack
time constant
subtraction
1 Citation (Scopus)

Hat-type hearing aid system with flexible sound directivity pattern

Inoue, T., Ikeda, Y. & Oikawa, Y., 2018 Jan 1, In : Acoustical Science and Technology. 39, 1, p. 22-29 8 p.

Research output: Contribution to journalArticle

directivity
hearing
microphones
acoustics
intelligibility
5 Citations (Scopus)

Infinite-dimensional SVD for revealing microphone array's characteristics

Koyano, Y., Yatabe, K. & Oikawa, Y., 2018 Jan 1, In : Applied Acoustics. 129, p. 116-125 10 p.

Research output: Contribution to journalArticle

microphones
configurations
linear arrays
sound fields
arrivals
1 Citation (Scopus)

Localization of marine seismic vibrator based on hyperbolic Radon transform

Kusano, T., Yatabe, K. & Oikawa, Y., 2018 Jan 1, In : Acoustical Science and Technology. 39, 3, p. 215-225 11 p.

Research output: Contribution to journalArticle

radon
acoustics
controllability
estimates
sound waves
3 Citations (Scopus)

Optical visualization of a fluid flow via the temperature controlling method

Tanigawa, R., Ishikawa, K., Yatabe, K., Oikawa, Y., Onuma, T. & Niwa, H., 2018 Jul 15, In : Optics Letters. 43, 14, p. 3273-3276 4 p.

Research output: Contribution to journalArticle

fluid flow
flow visualization
temperature control
visibility
interferometry
2 Citations (Scopus)

Piezoelectric transducer with resonant modes control for parametric speaker

Kuroda, J. & Oikawa, Y., 2018 Jan 1, In : Acoustical Science and Technology. 39, 1, p. 1-10 10 p.

Research output: Contribution to journalArticle

piezoelectric transducers
acoustics
transducers
diaphragms
sound pressure
12 Citations (Scopus)

Simultaneous imaging of flow and sound using high-speed parallel phase-shifting interferometry

Ishikawa, K., Tanigawa, R., Yatabe, K., Oikawa, Y., Onuma, T. & Niwa, H., 2018 Mar 1, In : Optics Letters. 43, 5, p. 991-994 4 p.

Research output: Contribution to journalArticle

interferometry
high speed
acoustics
sound waves
flow visualization
5 Citations (Scopus)

Time-directional filtering of wrapped phase for observing transient phenomena with parallel phase-shifting interferometry

Yatabe, K., Tanigawa, R., Ishikawa, K. & Oikawa, Y., 2018 May 28, In : Optics Express. 26, 11, p. 13705-13720 16 p.

Research output: Contribution to journalArticle

interferometry
acoustics
high speed cameras
fluid flow
signal processing
2017
11 Citations (Scopus)

Acousto-optic back-projection: Physical-model-based sound field reconstruction from optical projections

Yatabe, K., Ishikawa, K. & Oikawa, Y., 2017 Apr 28, In : Journal of Sound and Vibration. 394, p. 171-184 14 p.

Research output: Contribution to journalArticle

Acoustic fields
acousto-optics
sound fields
Optics
projection
Sound reproduction
Speech intelligibility
17 Citations (Scopus)

Hyper ellipse fitting in subspace method for phase-shifting interferometry: Practical implementation with automatic pixel selection

Yatabe, K., Ishikawa, K. & Oikawa, Y., 2017 Nov 13, In : Optics Express. 25, 23, p. 29401-29416 16 p.

Research output: Contribution to journalArticle

ellipses
interferometry
pixels
sound fields
retrieval
8 Citations (Scopus)

Least-squares estimation of sound source directivity using convex selector of a better solution

Tamura, Y., Yatabe, K. & Oikawa, Y., 2017, In : Acoustical Science and Technology. 38, 3, p. 128-136 9 p.

Research output: Contribution to journalArticle

selectors
directivity
acoustics
simulation
loudspeakers
32 Citations (Scopus)
Interferometry
Principal component analysis
MATLAB
retrieval
interferometry
23 Citations (Scopus)

Spatio-temporal filter bank for visualizing audible sound field by Schlieren method

Chitanont, N., Yatabe, K., Ishikawa, K. & Oikawa, Y., 2017 Jan 1, In : Applied Acoustics. 115, p. 109-120 12 p.

Research output: Contribution to journalArticle

sound fields
filters
acoustics
visibility
elastic waves
2016
33 Citations (Scopus)

Compensation of fringe distortion for phaseshifting three-dimensional shape measurement by inverse map estimation

Yatabe, K., Ishikawa, K. & Oikawa, Y., 2016 Aug 1, In : Applied Optics. 55, 22, p. 6017-6024 8 p.

Research output: Contribution to journalArticle

nonlinearity
Phase measurement
Calibration
causes
Compensation and Redress
17 Citations (Scopus)

Convex optimization-based windowed Fourier filtering with multiple windows for wrapped-phase denoising

Yatabe, K. & Oikawa, Y., 2016 Jun 10, In : Applied Optics. 55, 17, p. 4632-4641 10 p.

Research output: Contribution to journalArticle

Convex optimization
optimization
Fourier transforms
differential operators
redundancy
42 Citations (Scopus)

High-speed imaging of sound using parallel phase-shifting interferometry

Ishikawa, K., Yatabe, K., Chitanont, N., Ikeda, Y., Oikawa, Y., Onuma, T., Niwa, H. & Yoshii, M., 2016 Jun 13, In : Optics Express. 24, 12, p. 12922-12932 11 p.

Research output: Contribution to journalArticle

sound fields
interferometry
high speed
sound pressure
acoustics
26 Citations (Scopus)

Improving principal component analysis based phase extraction method for phase-shifting interferometry by integrating spatial information

Yatabe, K., Ishikawa, K. & Oikawa, Y., 2016 Oct 3, In : Optics Express. 24, 20, p. 22881-22891 11 p.

Research output: Contribution to journalArticle

principal components analysis
interferometry
matrices
random noise
decomposition
8 Citations (Scopus)

Observation of traveling wave with laser tomography

Ikeda, Y., Okamoto, N., Konishi, T., Oikawa, Y., Tokita, Y. & Yamasaki, Y., 2016, In : Acoustical Science and Technology. 37, 5, p. 231-238 8 p.

Research output: Contribution to journalArticle

sound fields
sound waves
traveling waves
tomography
loudspeakers
2015
3 Citations (Scopus)

Design of an ultrasonic piezoelectric transducer having double-linked diaphragms for parametric speakers

Kuroda, J., Oikawa, Y., Yamasaki, Y., Sato, S., Komoda, M. & Onishi, Y., 2015, In : Acoustical Science and Technology. 36, 5, p. 385-396 12 p.

Research output: Contribution to journalArticle

piezoelectric transducers
diaphragms
transducers
ultrasonics
flat plates

Evaluation of tooth-conduction microphone for communication under noisy environment

Torikai, Y., Kuze, D., Kurosawa, J., Oikawa, Y. & Yamasaki, Y., 2015, In : Acoustical Science and Technology. 36, 6, p. 500-506 7 p.

Research output: Contribution to journalArticle

teeth
microphones
communication
conduction
evaluation
1 Citation (Scopus)

Non-intrusive sound pressure measurement using light scattering

Ishikawa, K., Oikawa, Y. & Yamasaki, Y., 2015, In : Acoustical Science and Technology. 36, 5, p. 408-418 11 p.

Research output: Contribution to journalArticle

pressure measurement
sound pressure
light scattering
sound fields
scattering
20 Citations (Scopus)

Optically visualized sound field reconstruction using Kirchhoff-Helmholtz equation

Yatabe, K. & Oikawa, Y., 2015, In : Acoustical Science and Technology. 36, 4, p. 351-354 4 p.

Research output: Contribution to journalArticle

Acoustic field measurement
optical data processing
Least squares approximations
Optical data processing
Helmholtz equation
Signal denoising
Automobile frames
spectrograms
Acoustic noise
Acoustics
2014
1 Citation (Scopus)

Sound reproduction using the photoacoustic effect

Yamabe, K., Oikawa, Y. & Yamasaki, Y., 2014, In : Acoustical Science and Technology. 35, 1, p. 59-61 3 p.

Research output: Contribution to journalArticle

acoustics
halogens
charcoal
luminaires
air
2012
1 Citation (Scopus)

Extraction of sound field information from high-speed movie of flowing dust

Akutsu, M., Oikawa, Y. & Yamasaki, Y., 2012, In : Acoustical Science and Technology. 33, 5, p. 316-319 4 p.

Research output: Contribution to journalArticle

sound fields
dust
high speed
harmonic analysis
drums
1 Citation (Scopus)

The driving system for piezoelectric speaker with low power consumption

Kuroda, J., Onishi, Y., Komoda, M., Oikawa, Y. & Yamasaki, Y., 2012, In : Acoustical Science and Technology. 33, 6, p. 372-375 4 p.

Research output: Contribution to journalArticle

compressors
suppressors
low pass filters
ratings
electrical impedance
2008
1 Citation (Scopus)

Parallel computing in sound field analysis by bread slicing method

Tokita, Y., Oikawa, Y. & Yamasaki, Y., 2008, In : Acoustical Science and Technology. 29, 1, p. 113-116 4 p.

Research output: Contribution to journalArticle

slicing
sound fields
distributed memory
grids
communicating
2005
2 Citations (Scopus)
arrivals
estimates
matrices
acoustics
2 Citations (Scopus)

Direction of arrival estimation using matching pursuit under reverberant condition

Oikawa, Y. & Yamasaki, Y., 2005 Jul, In : Acoustical Science and Technology. 26, 4, p. 365-367 3 p.

Research output: Contribution to journalArticle

arrivals
output
iteration
estimating
frequency ranges
1996
1 Citation (Scopus)

Sound field reproduction using wavefront synthesis based on the four microphones measurements

Yamasaki, Y., Kudo, S. & Oikawa, Y., 1996 Jan 1, In : Journal of the Acoustical Society of America. 100, 4, 1 p.

Research output: Contribution to journalArticle

sound fields
microphones
rooms
synthesis
intelligibility