Youji Iiguni

86 papers B 3Misc 3Journal 50Unranked 30
YearRankTypeTitle / Venue / Authors
2026 J jnl
LLMs-Integrated Automatic Hate Speech Recognition Using Controllable Text Generation Models.
CoRR
Ryutaro Oshima, Yuya Hosoda, Youji Iiguni
2025 — conf
An Investigation of Parameter Scheduling for Image Restoration in Optical Analog Circuits.
APSIPA
Taisei Kato, Ryo Hayakawa, Soma Furusawa, Kazunori Hayashi, Youji Iiguni
2025 J jnl
Deep Unfolding-Aided Parameter Tuning for Plug-and-Play-Based Video Snapshot Compressive Imaging.
IEEE Access
Takashi Matsuda, Ryo Hayakawa, Youji Iiguni
2025 J jnl
Depth-Aided Color Image Inpainting in Quaternion Domain.
CoRR
Shunki Tatsumi, Ryo Hayakawa, Youji Iiguni
2025 J jnl
Depth-Aided Color Image Inpainting in Quaternion Domain.
IEEE Signal Process. Lett.
Shunki Tatsumi, Ryo Hayakawa, Youji Iiguni
2025 — conf
LLMs-Integrated Automatic Hate Speech Recognition Using Controllable Text Generation Models.
APSIPA
Ryutaro Oshima, Yuya Hosoda, Youji Iiguni
2023 J jnl
Complex-Domain Pitch Estimation Algorithm for Narrowband Speech Signals.
IEEE ACM Trans. Audio Speech Lang. Process.
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2022 J jnl
Artificial Bandwidth Extension for Lower Bandwidth Using Sinusoidal Synthesis based on First Formant Location.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2022 J jnl
Speech Bandwidth Extension Using Data Hiding Based on Discrete Hartley Transform Domain.
Circuits Syst. Signal Process.
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2021 — conf
Phase Reconstruction for Artificial Bandwidth Extension toward Musical Instrument Sound Signal.
EUSIPCO
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2021 — conf
Pitch Estimation Algorithm for Narrowband Speech Signal using Phase Differences between Harmonics.
APSIPA ASC
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2021 J jnl
Real-Time Distant Sound Source Suppression Using Spectral Phase Difference.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kazuhiro Murakami, Arata Kawamura, Yoh-ichi Fujisaka, Nobuhiko Hiruma, Youji Iiguni
2020 J jnl
An Efficient Image to Sound Mapping Method Preserving Speech Spectral Envelope.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuya Hosoda, Arata Kawamura, Youji Iiguni
2019 — conf
Adaptive line enhancer-based beat noise suppression for FM radio in motor vehicle.
ISPACS
Kosuke Hasada, Arata Kawamura, Youji Iiguni
2019 — conf
Alveolar fricative consonants detection with easily interpretable feature for speech training.
ISPACS
Kouki Furuya, Arata Kawamura, Youji Iiguni
2019 — conf
Dehazing with Recovery Level Map: Suppressing Over-Enhancement and Residual Haze.
SITIS
Kentaro Iwamoto, Hiromi Yoshida, Youji Iiguni
2019 — conf
Distant Sound Source Suppression Based on Multichannel Nonnegative Matrix Factorization with Bases Distance Maximization Penalty.
ISPACS
Kazuma Takiguchi, Arata Kawamura, Youji Iiguni
2019 — conf
Low-Light Image Enhancement via Adaptive Shape and Texture Prior.
SITIS
Kazuki Kurihara, Hiromi Yoshida, Youji Iiguni
2018 — conf
Distant Sound Suppression Using Spectral Phase Variance for Two Channel Blind Source Separation.
APSIPA
Kazuhiro Murakami, Arata Kawamura, Youichi Fujisaka, Nobuhiko Hiruma, Youji Iiguni
2018 — conf
Effective Sound Source Separation Using Single Voice Activity Segments for Binaural Sound.
APSIPA
Wataru Noguchi, Arata Kawamura, Youji Iiguni
2017 J jnl
An Efficient Image to Sound Mapping Method Using Speech Spectral Phase and Multi-Column Image.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Arata Kawamura, Hiro Igarashi, Youji Iiguni
2017 Misc conf
Automatic pencil sketch generation by using canny edges.
MVA
Ryota Okawa, Hiromi Yoshida, Youji Iiguni
2017 — conf
Impulsive noise suppression using interpolated zero phase signal.
APSIPA
Ryo Takehara, Arata Kawamura, Youji Iiguni
2017 — conf
Residual drum sound estimation for RPCA singing voice extraction.
APSIPA
Shiori Mikami, Arata Kawamura, Youji Iiguni
2015 — conf
Adaptive feedback canceller with howling detection for hearing aids.
APSIPA
Kakeru Kashima, Arata Kawamura, Masahiro Sunohara, Kazuki Nishiyama, Nobuhiko Hiruma, Youji Iiguni
2015 — conf
Impact noise suppression using spectral phase estimation.
APSIPA
Kohei Fujikura, Arata Kawamura, Youji Iiguni
2014 J jnl
A Zero Phase Noise Reduction Method with Damped Oscillation Estimator.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
2014 — conf
Noise robust speaker identification by dividing MFCC.
ISCCSP
Kizuki Matsumoto, Noboru Hayasaka, Youji Iiguni
2014 — conf
Noise robust speech recognition selectively using noise adapted HMM set.
ICECS
Hiroyuki Sakuno, Noboru Hayasaka, Youji Iiguni
2014 — conf
Robust voice activity detection using selectively energy features.
ICECS
Junichiro Wakasugi, Noboru Hayasaka, Youji Iiguni
2013 J jnl
A Comb Filter with Adaptive Notch Gain and Bandwidth.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
2013 J jnl
An Adaptation Method for Morphological Opening Filters with a Smoothness Penalty on Structuring Elements.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Makoto Nakashizuka, Yu Ashihara, Youji Iiguni
2013 Misc conf
An efficient zero phase noise reduction method for impact noise with damped oscillation.
ICASSP
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
2012 J jnl
A Comb Filter Design Method Using Linear Phase FIR Filter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
2012 — conf
A comb filter with adaptive notch gain for periodic noise reduction.
APSIPA
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
2012 J jnl
An Adaptive Comb Filter with Flexible Notch Gain.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
2012 — conf
An adaptive MAP speech spectral amplitude estimator combined with a zero phase noise suppressor.
APSIPA
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
2012 J jnl
Convergence Vectors in System Identification with an NLMS Algorithm for Sinusoidal Inputs.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuki Satomi, Arata Kawamura, Youji Iiguni
2012 — conf
Experimental evaluation of structure of garbage model generated from in-vocabulary words.
ISCIT
Shuichiro Hirota, Noboru Hayasaka, Youji Iiguni
2012 — conf
Feature reduction using PCA with multi-condition training for practical speech recognition systems.
ISCIT
Yudai Kaneda, Noboru Hayasaka, Youji Iiguni
2012 J jnl
Speech Enhancement Based on Real-Speech PDF in Various Narrow SNR Intervals.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
2012 J jnl
Stationary and Non-stationary Wide-Band Noise Reduction Using Zero Phase Signal.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Weerawut Thanhikam, Yuki Kamamori, Arata Kawamura, Youji Iiguni
2012 J jnl
Supervised Single-Channel Speech Separation via Sparse Decomposition Using Periodic Signal Models.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
2011 J jnl
A High Speech Quality Distance-Based Howling Canceller with Adaptive Cascade Notch Filter and Silent Pilot Signal.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akira Sogami, Arata Kawamura, Youji Iiguni
2011 — conf
A speech enhancement method using adaptive speech PDF.
ISPACS
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
2011 — conf
Morphological regularization for adaptation of image opening.
EUSIPCO
Makoto Nakashizuka, Yu Ashihara, Youji Iiguni
2011 — conf
Noise suppression based on replacement of zero phase signal.
ISPACS
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
2010 — conf
A speech spectral estimator using adaptive speech probability density function.
EUSIPCO
Arata Kawamura, Weerawut Thanhikam, Youji Iiguni
2010 B conf
Learning of structuring elements for morphological image model with a sparsity prior.
ICIP
Makoto Nakashizuka, Shinji Takenaka, Youji Iiguni
2010 J jnl
Moment Invariants of the Weighted Image.
IEICE Trans. Inf. Syst.
Ken-ichi Sakaue, Youji Iiguni
2009 J jnl
Improvement of Speech Quality in Distance-Based Howling Canceller.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akira Sogami, Arata Kawamura, Youji Iiguni
2009 J jnl
Shift-Invariant Sparse Image Representations Using Tree-Structured Dictionaries.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni
2009 — conf
Single-channel speech separation using a sparse periodic decomposition.
EUSIPCO
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
2009 B conf
Sparse image representations with shift-invariant tree-structured dictionaries.
ICIP
Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni
2008 — conf
A sparse periodic decomposition and its application to speech representation.
EUSIPCO
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
2008 J jnl
Image Enlargement by Nonlinear Frequency Extrapolation with Morphological Operators.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Shimizu, Makoto Nakashizuka, Youji Iiguni
2008 J jnl
Special Section on Signal Processing.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Youji Iiguni
2007 — conf
Fast Computation of the High Resolution Image Restoration by using the Discrete Cosine Transform.
ICASSP (1)
Yoshinori Abe, Youji Iiguni
2007 J jnl
Image restoration from a downsampled image by using the DCT.
Signal Process.
Yoshinori Abe, Youji Iiguni
2007 J jnl
Speech Enhancement Based on MAP Estimation Using a Variable Speech Distribution.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuta Tsukamoto, Arata Kawamura, Youji Iiguni
2006 J jnl
Adaptive DOA Estimation Using a Database of PARCOR Coefficients.
EURASIP J. Adv. Signal Process.
Eiji Mochida, Youji Iiguni
2006 J jnl
An Adaptive Algorithm with Variable Step-Size for Parallel Notch Filter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Arata Kawamura, Youji Iiguni, Yoshio Itoh
2006 J jnl
Data compression of nonlinear time series using a hybrid linear/nonlinear predictor.
Signal Process.
Tetsuya Izumi, Youji Iiguni
2006 J jnl
Fast computation of RBF coefficients using FFT.
Signal Process.
Yoshinori Abe, Youji Iiguni
2005 J jnl
A Noise Reduction Method Based on Linear Prediction with Variable Step-Size.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Arata Kawamura, Youji Iiguni, Yoshio Itoh
2005 — conf
Adaptive DOA estimation using a database of eigenvectors.
ISSPA
Eiji Mochida, Youji Iiguni
2005 J jnl
Adaptive Peak Frequency Estimation Using a Database of PARCOR Coefficients.
EURASIP J. Adv. Signal Process.
Tetsuya Watanabe, Youji Iiguni
2004 J jnl
A fast regularization parameter selection for regularly sampled 2D inputs.
Int. J. Syst. Sci.
Kaoru Inoue, Youji Iiguni
2004 J jnl
An Approximate Algorithm for Robust Adaptive Beamforming.
EURASIP J. Adv. Signal Process.
Tomoaki Yoshida, Youji Iiguni
2004 J jnl
DOA estimation based on the database retrieval technique with nonuniform quantization and clustering.
Digit. Signal Process.
Ivan Setiawan, Youji Iiguni
2004 J jnl
Nonlinear Image Restoration Using a Radial Basis Function Network.
EURASIP J. Adv. Signal Process.
Keiji Icho, Youji Iiguni, Hajime Maeda
2004 J jnl
Radial basis function network with bias compensation for regularly sampled inputs.
Signal Process.
Norifumi Kitaura, Youji Iiguni
2003 J jnl
Image restoration using the RBF network with variable regularization parameters.
Neurocomputing
Kaoru Inoue, Youji Iiguni, Hajime Maeda
2002 J jnl
2-D DOA estimation method using Zernike moments.
Signal Process.
Nobuhiro Kanaya, Youji Iiguni, Hajime Maeda
1999 J jnl
Image interpolation for progressive transmission by using radial basis function networks.
IEEE Trans. Neural Networks
T. Sigitani, Youji Iiguni, Hajime Maeda
1999 J jnl
Online Recognition of Handwritten Hiragana Characters Based Upon a Complex Autoregressive Model.
IEEE Trans. Pattern Anal. Mach. Intell.
Yuichi Nakatani, Daisuke Sasaki, Youji Iiguni, Hajime Maeda
1997 J jnl
A nonlinear adaptive estimation method based on local approximation.
IEEE Trans. Signal Process.
Youji Iiguni, Isao Kawamoto, Norihiko Adachi
1996 J jnl
Hierarchical image coding via cerebellar model arithmetic computers.
IEEE Trans. Image Process.
Youji Iiguni
1992 J jnl
A real-time learning algorithm for a multilayered neural network based on the extended Kalman filter.
IEEE Trans. Signal Process.
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1991 J jnl
A nonlinear regulator design in the presence of system uncertainties using multilayered neural network.
IEEE Trans. Neural Networks
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1990 B conf
A regulator design method using multi-layered neural networks.
IJCNN
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1988 J jnl
Block implementation of a recursive least squares estimation algorithm.
IEEE Trans. Acoust. Speech Signal Process.
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1986 J jnl
An LDU decomposition algorithm for a block Toeplitz matrix having a parallel and pipelined computing structure.
Inf. Sci.
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1986 Misc conf
Rounding error analysis of the triangular lattice and escalator algorithms.
ICASSP
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1985 J jnl
A method of eliminating a bias in the normalized circular lattice algorithm.
IEEE Trans. Acoust. Speech Signal Process.
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
1985 J jnl
Convergence properties of simplified gradient adaptive lattice algorithms.
IEEE Trans. Acoust. Speech Signal Process.
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru