Youji Iiguni

Publication Activity (10 Years)

Years Active: 1985-2023
Publications (10 Years): 18

Top Topics

Noise Suppression

Easily Interpretable

Top Venues

IEICE Trans. Fundam. Electron. Commun. Comput. Sci.

Publications

Yuya Hosoda, Arata Kawamura, Youji Iiguni
Complex-Domain Pitch Estimation Algorithm for Narrowband Speech Signals. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Yuya Hosoda, Arata Kawamura, Youji Iiguni
Speech Bandwidth Extension Using Data Hiding Based on Discrete Hartley Transform Domain. Circuits Syst. Signal Process. 41 (4) (2022)
Yuya Hosoda, Arata Kawamura, Youji Iiguni
Artificial Bandwidth Extension for Lower Bandwidth Using Sinusoidal Synthesis based on First Formant Location. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2022)
Yuya Hosoda, Arata Kawamura, Youji Iiguni
Pitch Estimation Algorithm for Narrowband Speech Signal using Phase Differences between Harmonics. APSIPA ASC (2021)
Yuya Hosoda, Arata Kawamura, Youji Iiguni
Phase Reconstruction for Artificial Bandwidth Extension toward Musical Instrument Sound Signal. EUSIPCO (2021)
Kazuhiro Murakami, Arata Kawamura, Yoh-ichi Fujisaka, Nobuhiko Hiruma, Youji Iiguni
Real-Time Distant Sound Source Suppression Using Spectral Phase Difference. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2021)
Yuya Hosoda, Arata Kawamura, Youji Iiguni
An Efficient Image to Sound Mapping Method Preserving Speech Spectral Envelope. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2020)
Kentaro Iwamoto, Hiromi Yoshida, Youji Iiguni
Dehazing with Recovery Level Map: Suppressing Over-Enhancement and Residual Haze. SITIS (2019)
Kouki Furuya, Arata Kawamura, Youji Iiguni
Alveolar fricative consonants detection with easily interpretable feature for speech training. ISPACS (2019)
Kazuma Takiguchi, Arata Kawamura, Youji Iiguni
Distant Sound Source Suppression Based on Multichannel Nonnegative Matrix Factorization with Bases Distance Maximization Penalty. ISPACS (2019)
Kazuki Kurihara, Hiromi Yoshida, Youji Iiguni
Low-Light Image Enhancement via Adaptive Shape and Texture Prior. SITIS (2019)
Kosuke Hasada, Arata Kawamura, Youji Iiguni
Adaptive line enhancer-based beat noise suppression for FM radio in motor vehicle. ISPACS (2019)
Kazuhiro Murakami, Arata Kawamura, Youichi Fujisaka, Nobuhiko Hiruma, Youji Iiguni
Distant Sound Suppression Using Spectral Phase Variance for Two Channel Blind Source Separation. APSIPA (2018)
Wataru Noguchi, Arata Kawamura, Youji Iiguni
Effective Sound Source Separation Using Single Voice Activity Segments for Binaural Sound. APSIPA (2018)
Shiori Mikami, Arata Kawamura, Youji Iiguni
Residual drum sound estimation for RPCA singing voice extraction. APSIPA (2017)
Arata Kawamura, Hiro Igarashi, Youji Iiguni
An Efficient Image to Sound Mapping Method Using Speech Spectral Phase and Multi-Column Image. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2017)
Ryota Okawa, Hiromi Yoshida, Youji Iiguni
Automatic pencil sketch generation by using canny edges. MVA (2017)
Ryo Takehara, Arata Kawamura, Youji Iiguni
Impulsive noise suppression using interpolated zero phase signal. APSIPA (2017)
Kohei Fujikura, Arata Kawamura, Youji Iiguni
Impact noise suppression using spectral phase estimation. APSIPA (2015)
Kakeru Kashima, Arata Kawamura, Masahiro Sunohara, Kazuki Nishiyama, Nobuhiko Hiruma, Youji Iiguni
Adaptive feedback canceller with howling detection for hearing aids. APSIPA (2015)
Hiroyuki Sakuno, Noboru Hayasaka, Youji Iiguni
Noise robust speech recognition selectively using noise adapted HMM set. ICECS (2014)
Kizuki Matsumoto, Noboru Hayasaka, Youji Iiguni
Noise robust speaker identification by dividing MFCC. ISCCSP (2014)
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
A Zero Phase Noise Reduction Method with Damped Oscillation Estimator. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2014)
Junichiro Wakasugi, Noboru Hayasaka, Youji Iiguni
Robust voice activity detection using selectively energy features. ICECS (2014)
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
An efficient zero phase noise reduction method for impact noise with damped oscillation. ICASSP (2013)
Makoto Nakashizuka, Yu Ashihara, Youji Iiguni
An Adaptation Method for Morphological Opening Filters with a Smoothness Penalty on Structuring Elements. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (6) (2013)
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
A Comb Filter with Adaptive Notch Gain and Bandwidth. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2013)
Yuki Satomi, Arata Kawamura, Youji Iiguni
Convergence Vectors in System Identification with an NLMS Algorithm for Sinusoidal Inputs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2012)
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
A Comb Filter Design Method Using Linear Phase FIR Filter. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (8) (2012)
Sayuri Kohmura, Arata Kawamura, Youji Iiguni
An adaptive MAP speech spectral amplitude estimator combined with a zero phase noise suppressor. APSIPA (2012)
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
An Adaptive Comb Filter with Flexible Notch Gain. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2012)
Yudai Kaneda, Noboru Hayasaka, Youji Iiguni
Feature reduction using PCA with multi-condition training for practical speech recognition systems. ISCIT (2012)
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
Speech Enhancement Based on Real-Speech PDF in Various Narrow SNR Intervals. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2012)
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
Supervised Single-Channel Speech Separation via Sparse Decomposition Using Periodic Signal Models. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2012)
Yosuke Sugiura, Arata Kawamura, Youji Iiguni
A comb filter with adaptive notch gain for periodic noise reduction. APSIPA (2012)
Shuichiro Hirota, Noboru Hayasaka, Youji Iiguni
Experimental evaluation of structure of garbage model generated from in-vocabulary words. ISCIT (2012)
Weerawut Thanhikam, Yuki Kamamori, Arata Kawamura, Youji Iiguni
Stationary and Non-stationary Wide-Band Noise Reduction Using Zero Phase Signal. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2012)
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
A speech enhancement method using adaptive speech PDF. ISPACS (2011)
Weerawut Thanhikam, Arata Kawamura, Youji Iiguni
Noise suppression based on replacement of zero phase signal. ISPACS (2011)
Akira Sogami, Arata Kawamura, Youji Iiguni
A High Speech Quality Distance-Based Howling Canceller with Adaptive Cascade Notch Filter and Silent Pilot Signal. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2011)
Makoto Nakashizuka, Yu Ashihara, Youji Iiguni
Morphological regularization for adaptation of image opening. EUSIPCO (2011)
Arata Kawamura, Weerawut Thanhikam, Youji Iiguni
A speech spectral estimator using adaptive speech probability density function. EUSIPCO (2010)
Ken-ichi Sakaue, Youji Iiguni
Moment Invariants of the Weighted Image. IEICE Trans. Inf. Syst. (3) (2010)
Makoto Nakashizuka, Shinji Takenaka, Youji Iiguni
Learning of structuring elements for morphological image model with a sparsity prior. ICIP (2010)
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
Single-channel speech separation using a sparse periodic decomposition. EUSIPCO (2009)
Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni
Sparse image representations with shift-invariant tree-structured dictionaries. ICIP (2009)
Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni
Shift-Invariant Sparse Image Representations Using Tree-Structured Dictionaries. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2009)
Akira Sogami, Arata Kawamura, Youji Iiguni
Improvement of Speech Quality in Distance-Based Howling Canceller. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2009)
Youji Iiguni
Special Section on Signal Processing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (8) (2008)
Masayuki Shimizu, Makoto Nakashizuka, Youji Iiguni
Image Enlargement by Nonlinear Frequency Extrapolation with Morphological Operators. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (3) (2008)
Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni
A sparse periodic decomposition and its application to speech representation. EUSIPCO (2008)
Yoshinori Abe, Youji Iiguni
Fast Computation of the High Resolution Image Restoration by using the Discrete Cosine Transform. ICASSP (1) (2007)
Yoshinori Abe, Youji Iiguni
Image restoration from a downsampled image by using the DCT. Signal Process. 87 (10) (2007)
Yuta Tsukamoto, Arata Kawamura, Youji Iiguni
Speech Enhancement Based on MAP Estimation Using a Variable Speech Distribution. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (8) (2007)
Tetsuya Izumi, Youji Iiguni
Data compression of nonlinear time series using a hybrid linear/nonlinear predictor. Signal Process. 86 (9) (2006)
Eiji Mochida, Youji Iiguni
Adaptive DOA Estimation Using a Database of PARCOR Coefficients. EURASIP J. Adv. Signal Process. 2006 (2006)
Yoshinori Abe, Youji Iiguni
Fast computation of RBF coefficients using FFT. Signal Process. 86 (11) (2006)
Arata Kawamura, Youji Iiguni, Yoshio Itoh
An Adaptive Algorithm with Variable Step-Size for Parallel Notch Filter. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2006)
Eiji Mochida, Youji Iiguni
Adaptive DOA estimation using a database of eigenvectors. ISSPA (2005)
Tetsuya Watanabe, Youji Iiguni
Adaptive Peak Frequency Estimation Using a Database of PARCOR Coefficients. EURASIP J. Adv. Signal Process. 2005 (7) (2005)
Arata Kawamura, Youji Iiguni, Yoshio Itoh
A Noise Reduction Method Based on Linear Prediction with Variable Step-Size. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (4) (2005)
Kaoru Inoue, Youji Iiguni
A fast regularization parameter selection for regularly sampled 2D inputs. Int. J. Syst. Sci. 35 (3) (2004)
Ivan Setiawan, Youji Iiguni
DOA estimation based on the database retrieval technique with nonuniform quantization and clustering. Digit. Signal Process. 14 (6) (2004)
Norifumi Kitaura, Youji Iiguni
Radial basis function network with bias compensation for regularly sampled inputs. Signal Process. 84 (1) (2004)
Tomoaki Yoshida, Youji Iiguni
An Approximate Algorithm for Robust Adaptive Beamforming. EURASIP J. Adv. Signal Process. 2004 (17) (2004)
Keiji Icho, Youji Iiguni, Hajime Maeda
Nonlinear Image Restoration Using a Radial Basis Function Network. EURASIP J. Adv. Signal Process. 2004 (16) (2004)
Kaoru Inoue, Youji Iiguni, Hajime Maeda
Image restoration using the RBF network with variable regularization parameters. Neurocomputing 50 (2003)
Nobuhiro Kanaya, Youji Iiguni, Hajime Maeda
2-D DOA estimation method using Zernike moments. Signal Process. 82 (3) (2002)
Yuichi Nakatani, Daisuke Sasaki, Youji Iiguni, Hajime Maeda
Online Recognition of Handwritten Hiragana Characters Based Upon a Complex Autoregressive Model. IEEE Trans. Pattern Anal. Mach. Intell. 21 (1) (1999)
T. Sigitani, Youji Iiguni, Hajime Maeda
Image interpolation for progressive transmission by using radial basis function networks. IEEE Trans. Neural Networks 10 (2) (1999)
Youji Iiguni, Isao Kawamoto, Norihiko Adachi
A nonlinear adaptive estimation method based on local approximation. IEEE Trans. Signal Process. 45 (7) (1997)
Youji Iiguni
Hierarchical image coding via cerebellar model arithmetic computers. IEEE Trans. Image Process. 5 (10) (1996)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
A real-time learning algorithm for a multilayered neural network based on the extended Kalman filter. IEEE Trans. Signal Process. 40 (4) (1992)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
A nonlinear regulator design in the presence of system uncertainties using multilayered neural network. IEEE Trans. Neural Networks 2 (4) (1991)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
A regulator design method using multi-layered neural networks. IJCNN (1990)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
Block implementation of a recursive least squares estimation algorithm. IEEE Trans. Acoust. Speech Signal Process. 36 (10) (1988)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
Rounding error analysis of the triangular lattice and escalator algorithms. ICASSP (1986)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
An LDU decomposition algorithm for a block Toeplitz matrix having a parallel and pipelined computing structure. Inf. Sci. 40 (2) (1986)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
A method of eliminating a bias in the normalized circular lattice algorithm. IEEE Trans. Acoust. Speech Signal Process. 33 (3) (1985)
Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru
Convergence properties of simplified gradient adaptive lattice algorithms. IEEE Trans. Acoust. Speech Signal Process. 33 (6) (1985)