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Journal Articles
- 2023
[j46]Yuya Hosoda
, Arata Kawamura, Youji Iiguni:
Complex-Domain Pitch Estimation Algorithm for Narrowband Speech Signals. IEEE ACM Trans. Audio Speech Lang. Process. 31: 2067-2078 (2023)- 2022
- [j45]Yuya Hosoda, Arata Kawamura, Youji Iiguni:
Speech Bandwidth Extension Using Data Hiding Based on Discrete Hartley Transform Domain. Circuits Syst. Signal Process. 41(4): 2290-2307 (2022) - [j44]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. 105-A(4): 664-672 (2022) - 2021
- [j43]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. 104-A(3): 604-612 (2021) - 2020
- [j42]Yuya Hosoda, Arata Kawamura, Youji Iiguni:
An Efficient Image to Sound Mapping Method Preserving Speech Spectral Envelope. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 103-A(3): 629-630 (2020) - 2017
- [j41]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. 100-A(3): 893-895 (2017) - 2014
- [j40]Sayuri Kohmura, Arata Kawamura, Youji Iiguni:
A Zero Phase Noise Reduction Method with Damped Oscillation Estimator. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 97-A(10): 2033-2042 (2014) - 2013
- [j39]Yosuke Sugiura, Arata Kawamura, Youji Iiguni:
A Comb Filter with Adaptive Notch Gain and Bandwidth. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 96-A(4): 790-795 (2013) - [j38]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. 96-A(6): 1468-1477 (2013) - 2012
- [j37]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. 95-A(3): 623-630 (2012) - [j36]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. 95-A(5): 843-852 (2012) - [j35]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. 95-A(5): 853-866 (2012) - [j34]Yosuke Sugiura, Arata Kawamura, Youji Iiguni:
A Comb Filter Design Method Using Linear Phase FIR Filter. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(8): 1310-1316 (2012) - [j33]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. 95-A(10): 1692-1699 (2012) - [j32]Yosuke Sugiura, Arata Kawamura, Youji Iiguni:
An Adaptive Comb Filter with Flexible Notch Gain. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(11): 2046-2048 (2012) - 2011
- [j31]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. 94-A(11): 2306-2314 (2011) - 2010
- [j30]Ken-ichi Sakaue, Youji Iiguni:
Moment Invariants of the Weighted Image. IEICE Trans. Inf. Syst. 93-D(3): 666-670 (2010) - 2009
- [j29]Akira Sogami, Arata Kawamura, Youji Iiguni:
Improvement of Speech Quality in Distance-Based Howling Canceller. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 92-A(4): 1039-1046 (2009) - [j28]Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni:
Shift-Invariant Sparse Image Representations Using Tree-Structured Dictionaries. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 92-A(11): 2809-2818 (2009) - 2008
- [j27]Masayuki Shimizu, Makoto Nakashizuka, Youji Iiguni:
Image Enlargement by Nonlinear Frequency Extrapolation with Morphological Operators. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(3): 859-867 (2008) - [j26]Youji Iiguni:
Special Section on Signal Processing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 91-A(8): 1857 (2008) - 2007
- [j25]Yuta Tsukamoto, Arata Kawamura, Youji Iiguni:
Speech Enhancement Based on MAP Estimation Using a Variable Speech Distribution. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 90-A(8): 1587-1593 (2007) - [j24]Yoshinori Abe, Youji Iiguni:
Image restoration from a downsampled image by using the DCT. Signal Process. 87(10): 2370-2380 (2007) - 2006
- [j23]Eiji Mochida, Youji Iiguni:
Adaptive DOA Estimation Using a Database of PARCOR Coefficients. EURASIP J. Adv. Signal Process. 2006 (2006) - [j22]Arata Kawamura, Youji Iiguni, Yoshio Itoh:
An Adaptive Algorithm with Variable Step-Size for Parallel Notch Filter. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(2): 511-519 (2006) - [j21]Tetsuya Izumi, Youji Iiguni:
Data compression of nonlinear time series using a hybrid linear/nonlinear predictor. Signal Process. 86(9): 2439-2446 (2006) - [j20]Yoshinori Abe, Youji Iiguni:
Fast computation of RBF coefficients using FFT. Signal Process. 86(11): 3264-3274 (2006) - 2005
- [j19]Tetsuya Watanabe, Youji Iiguni:
Adaptive Peak Frequency Estimation Using a Database of PARCOR Coefficients. EURASIP J. Adv. Signal Process. 2005(7): 1127-1136 (2005) - [j18]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. 88-A(4): 855-861 (2005) - 2004
- [j17]Ivan Setiawan, Youji Iiguni:
DOA estimation based on the database retrieval technique with nonuniform quantization and clustering. Digit. Signal Process. 14(6): 590-613 (2004) - [j16]Keiji Icho, Youji Iiguni, Hajime Maeda:
Nonlinear Image Restoration Using a Radial Basis Function Network. EURASIP J. Adv. Signal Process. 2004(16): 2441-2450 (2004) - [j15]Tomoaki Yoshida, Youji Iiguni:
An Approximate Algorithm for Robust Adaptive Beamforming. EURASIP J. Adv. Signal Process. 2004(17): 2675-2683 (2004) - [j14]Kaoru Inoue, Youji Iiguni:
A fast regularization parameter selection for regularly sampled 2D inputs. Int. J. Syst. Sci. 35(3): 191-196 (2004) - [j13]Norifumi Kitaura, Youji Iiguni:
Radial basis function network with bias compensation for regularly sampled inputs. Signal Process. 84(1): 141-150 (2004) - 2003
- [j12]Kaoru Inoue, Youji Iiguni, Hajime Maeda:
Image restoration using the RBF network with variable regularization parameters. Neurocomputing 50: 177-191 (2003) - 2002
- [j11]Nobuhiro Kanaya, Youji Iiguni, Hajime Maeda:
2-D DOA estimation method using Zernike moments. Signal Process. 82(3): 521-526 (2002) - 1999
- [j10]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): 73-76 (1999) - [j9]T. Sigitani, Youji Iiguni, Hajime Maeda:
Image interpolation for progressive transmission by using radial basis function networks. IEEE Trans. Neural Networks 10(2): 381-390 (1999) - 1997
- [j8]Youji Iiguni, Isao Kawamoto, Norihiko Adachi:
A nonlinear adaptive estimation method based on local approximation. IEEE Trans. Signal Process. 45(7): 1831-1841 (1997) - 1996
- [j7]Youji Iiguni:
Hierarchical image coding via cerebellar model arithmetic computers. IEEE Trans. Image Process. 5(10): 1393-1401 (1996) - 1992
- [j6]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): 959-966 (1992) - 1991
- [j5]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): 410-417 (1991) - 1988
- [j4]Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru:
Block implementation of a recursive least squares estimation algorithm. IEEE Trans. Acoust. Speech Signal Process. 36(10): 1671-1675 (1988) - 1986
- [j3]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): 131-142 (1986) - 1985
- [j2]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): 728-731 (1985) - [j1]Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru:
Convergence properties of simplified gradient adaptive lattice algorithms. IEEE Trans. Acoust. Speech Signal Process. 33(6): 1427-1434 (1985)
Conference and Workshop Papers
- 2021
- [c34]Yuya Hosoda, Arata Kawamura, Youji Iiguni:
Pitch Estimation Algorithm for Narrowband Speech Signal using Phase Differences between Harmonics. APSIPA ASC 2021: 920-925 - [c33]Yuya Hosoda, Arata Kawamura, Youji Iiguni:
Phase Reconstruction for Artificial Bandwidth Extension toward Musical Instrument Sound Signal. EUSIPCO 2021: 71-75 - 2019
- [c32]Kouki Furuya, Arata Kawamura, Youji Iiguni:
Alveolar fricative consonants detection with easily interpretable feature for speech training. ISPACS 2019: 1-2 - [c31]Kosuke Hasada, Arata Kawamura, Youji Iiguni:
Adaptive line enhancer-based beat noise suppression for FM radio in motor vehicle. ISPACS 2019: 1-2 - [c30]Kazuma Takiguchi, Arata Kawamura, Youji Iiguni:
Distant Sound Source Suppression Based on Multichannel Nonnegative Matrix Factorization with Bases Distance Maximization Penalty. ISPACS 2019: 1-2 - [c29]Kentaro Iwamoto, Hiromi Yoshida, Youji Iiguni:
Dehazing with Recovery Level Map: Suppressing Over-Enhancement and Residual Haze. SITIS 2019: 67-73 - [c28]Kazuki Kurihara, Hiromi Yoshida, Youji Iiguni:
Low-Light Image Enhancement via Adaptive Shape and Texture Prior. SITIS 2019: 74-81 - 2018
- [c27]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: 272-278 - [c26]Wataru Noguchi, Arata Kawamura, Youji Iiguni:
Effective Sound Source Separation Using Single Voice Activity Segments for Binaural Sound. APSIPA 2018: 279-284 - 2017
- [c25]Shiori Mikami, Arata Kawamura, Youji Iiguni:
Residual drum sound estimation for RPCA singing voice extraction. APSIPA 2017: 442-446 - [c24]Ryo Takehara, Arata Kawamura, Youji Iiguni:
Impulsive noise suppression using interpolated zero phase signal. APSIPA 2017: 1382-1389 - [c23]Ryota Okawa, Hiromi Yoshida, Youji Iiguni:
Automatic pencil sketch generation by using canny edges. MVA 2017: 282-285 - 2015
- [c22]Kohei Fujikura, Arata Kawamura, Youji Iiguni:
Impact noise suppression using spectral phase estimation. APSIPA 2015: 129-134 - [c21]Kakeru Kashima, Arata Kawamura, Masahiro Sunohara, Kazuki Nishiyama, Nobuhiko Hiruma, Youji Iiguni:
Adaptive feedback canceller with howling detection for hearing aids. APSIPA 2015: 704-710 - 2014
- [c20]Hiroyuki Sakuno, Noboru Hayasaka, Youji Iiguni:
Noise robust speech recognition selectively using noise adapted HMM set. ICECS 2014: 124-127 - [c19]Junichiro Wakasugi, Noboru Hayasaka, Youji Iiguni:
Robust voice activity detection using selectively energy features. ICECS 2014: 359-362 - [c18]Kizuki Matsumoto, Noboru Hayasaka, Youji Iiguni:
Noise robust speaker identification by dividing MFCC. ISCCSP 2014: 652-655 - 2013
- [c17]Sayuri Kohmura, Arata Kawamura, Youji Iiguni:
An efficient zero phase noise reduction method for impact noise with damped oscillation. ICASSP 2013: 892-895 - 2012
- [c16]Sayuri Kohmura, Arata Kawamura, Youji Iiguni:
An adaptive MAP speech spectral amplitude estimator combined with a zero phase noise suppressor. APSIPA 2012: 1-9 - [c15]Yosuke Sugiura, Arata Kawamura, Youji Iiguni:
A comb filter with adaptive notch gain for periodic noise reduction. APSIPA 2012: 1-5 - [c14]Shuichiro Hirota, Noboru Hayasaka, Youji Iiguni:
Experimental evaluation of structure of garbage model generated from in-vocabulary words. ISCIT 2012: 87-92 - [c13]Yudai Kaneda, Noboru Hayasaka, Youji Iiguni:
Feature reduction using PCA with multi-condition training for practical speech recognition systems. ISCIT 2012: 93-98 - 2011
- [c12]Makoto Nakashizuka, Yu Ashihara, Youji Iiguni:
Morphological regularization for adaptation of image opening. EUSIPCO 2011: 1688-1692 - [c11]Weerawut Thanhikam, Arata Kawamura, Youji Iiguni:
A speech enhancement method using adaptive speech PDF. ISPACS 2011: 1-6 - [c10]Weerawut Thanhikam, Arata Kawamura, Youji Iiguni:
Noise suppression based on replacement of zero phase signal. ISPACS 2011: 1-4 - 2010
- [c9]Arata Kawamura, Weerawut Thanhikam, Youji Iiguni:
A speech spectral estimator using adaptive speech probability density function. EUSIPCO 2010: 1549-1552 - [c8]Makoto Nakashizuka, Shinji Takenaka, Youji Iiguni:
Learning of structuring elements for morphological image model with a sparsity prior. ICIP 2010: 85-88 - 2009
- [c7]Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni:
Single-channel speech separation using a sparse periodic decomposition. EUSIPCO 2009: 218-222 - [c6]Makoto Nakashizuka, Hidenari Nishiura, Youji Iiguni:
Sparse image representations with shift-invariant tree-structured dictionaries. ICIP 2009: 2145-2148 - 2008
- [c5]Makoto Nakashizuka, Hiroyuki Okumura, Youji Iiguni:
A sparse periodic decomposition and its application to speech representation. EUSIPCO 2008: 1-5 - 2007
- [c4]Yoshinori Abe, Youji Iiguni:
Fast Computation of the High Resolution Image Restoration by using the Discrete Cosine Transform. ICASSP (1) 2007: 745-748 - 2005
- [c3]Eiji Mochida, Youji Iiguni:
Adaptive DOA estimation using a database of eigenvectors. ISSPA 2005: 383-386 - 1990
- [c2]Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru:
A regulator design method using multi-layered neural networks. IJCNN 1990: 371-379 - 1986
- [c1]Youji Iiguni, Hideaki Sakai, Hidekatsu Tokumaru:
Rounding error analysis of the triangular lattice and escalator algorithms. ICASSP 1986: 2119-2122
Coauthor Index
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