Yoichi Hinamoto

Yoichi Hinamoto

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Affiliation

Assistant Professor of Department of Electrical and Computer Engineering,
National Institute of Technology, Kagawa College

E-mail: hinamoto [atmark] t.kagawa-nct.ac.jp

Research topics:

Analysis and design of adaptive notch digital filters, analysis and design of adaptive band-pass digital filters, analysis and minimization of round-off noise and/or coefficient sensitivity for digital filters, development of algorithms for active noise control, etc.

Journal Papers:

Yoichi Hinamoto and Akimitsu Doi : “Coefficient Sensitivity Analysis for Lattice and Direct Form Based State-Space Descriptions of A Second-Order Notch Digital Filter”, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, vol. E109-A, no. 3, pp. 614-621, Mar. 2026.

Yoichi Hinamoto and Akimitsu Doi : “Adaptive Centre-Frequency Bandpass State-Space Digital Filters and Their l_2-Sensitivity Analysis”, SICE Journal of Control, Measurement and System Integration, vol. 18, no. 1, Article: 2445373, Jan. 2025.

Yoichi Hinamoto and Shotaro Nishimura : “State-Space Realization of Adaptive IIR Notch Digital Filters with Unbiased Parameter-Estimation”, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, vol. E107-A, no. 11, pp. 1650-1657, Nov. 2024.

Yoichi Hinamoto, Akimitsu Doi and Shotaro Nishimura : “Adaptive Normal State-Space Notch Digital Filters Using Gradient-Descent Method”, Circuits, Systems, and Signal Processing, vol. 42, no. 7, pp. 3983-4001, July 2023.

Yoichi Hinamoto and Shotaro Nishimura : “A State-Space Approach and Its Estimation Bias Analysis for Adaptive Notch Digital Filters with Constrained Poles and Zeros”, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, vol. E106-A, no. 3, pp. 582-589, Mar. 2023.

Yoichi Hinamoto and Shotaro Nishimura : “Adaptive Normal State-Space Notch Digital Filters: Algorithm and Frequency-Estimation Bias Analysis”, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, vol. E104-A, no. 11, pp. 1585-1592, Nov. 2021.

Yoichi Hinamoto and Akimitsu Doi : “Weighted Minimization of Roundoff Noise and Pole Sensitivity Subject to l2-Scaling Constraints for State-Space Digital Filters”, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, vol. E102-A, no. 11, pp. 1473-1480, Nov. 2019.

Yoichi Hinamoto and Hideaki Sakai : “A filtered-X LMS algorithm for sinusoidal reference signals－Effects of frequency mismatch”, IEEE Signal Processing Letters, vol. 14 no. 4, Apr. 2007.

Shigeki Miyabe, Yoichi Hinamoto, Hiroshi Saruwatari, Kiyohiro Shikano, and Yosuke Tatekura : “Interface for barge-in free spoken dialogue system based on sound field reproduction and microphone array”, EURASIP Journal on Advances in Signal Processing, vol.2007, Article ID 57470, 13 pages, 2007.

Yoichi Hinamoto and Hideaki Sakai : “Analysis of the Filtered-X LMS Algorithm and a Related New Algorithm for Active Control of Multitonal Noise”, IEEE Trans. on Audio, Speech and Language Processing, vol.14, no. 1, pp.123-130, Jan. 2006.

Hideaki Sakai and Yoichi Hinamoto : “An exact analysis of the LMS algorithm with tonal reference signals in the presence of frequency mismatch”, Signal Processing, vol. 85, pp.1255-1262, 2005.

S. Araki, S. Makino, Y. Hinamoto, R. Mukai, T. Nishikawa and H. Saruwatari : “Equivalence between Frequency Domain Blind Source Separation and Frequency Domain Adaptive Beamforming for Convolutive Mixtures”, EURASIP Journal on Applied Signal Processing vol.2003, no. 11, pp.1157-1166, 2003. (19th TELECOM System Technology Award)

Conference Papers:

Y. Hinamoto and A. Doi :"Frequency estimation for adaptive notch filtering of a sinusoid signal in an additive white noise", Proc. The 41st International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2026), Bangkok, Thailand, July 2026. (to appear in IEEE Xplore conference page)

Y. Hinamoto and A. Doi :"Sensitivity Analysis for Normal and Canonical Internal Descriptions of A Notch Digital Filter", Proc. The 2024 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology (IAICT 2024), Bali, Indonesia, pp.310-314, July, 2024.

Y. Hinamoto and S. Nishimura :"A state-space approach for adaptive notch digital filters with unbiased parameter-estimation", Proc. 38th International Technical Conference on Circuits/Systems, Computers, and Communications 2023 (ITC-CSCC 2023), Jeju, Republic of Korea, pp. 375-380, June 2023.

Y. Hinamoto A. Doi and S. Nishimura :"Expansion of sign algorithm and sensitivity analysis for adaptive bandpass filters with tunable center-frequency", Proc. 3rd 2022 IEEE Industrial Electronics and Applications Conference (IEAcon), Malaysia, pp. 117-121, Oct. 2022.（IEACon'22 Best Paper Award）

Y. Hinamoto and S. Nishimura :"A state-space approach for adaptive second-order IIR notch filters with constrained poles and zeros", Proc. 64th 2021 IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS), Lansing, MI, pp. 391-394, Aug. 2021.

Y. Hinamoto and S. Nishimura :"Stability and bias analysis for adaptive normal state-space notch digital filters", Proc. 63rd 2020 IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS), Springfield, MA, pp. 166-169, Aug. 2020.

Y. Hinamoto and A. Doi :"Roundoff Noise Minimization Using Jointly Optimized Error Feedback and Realization for State-Space Digital Filters", Proc. of the 2019 IEEE International Conference on Signal and Image Processing Applications (IEEE ICSIPA 2019), Kuala Lumpur, Malaysia, pp. 62-67, Sept. 2019.

Y. Hinamoto and S. Nishimura :"Adaptive Normal-Form State-Space Notch Filters", The 23rd International Conference on Digital Signal Processing (DSP), Shanghai, China, 3Q-1, Nov. 2018.

Y. Hinamoto and A. Doi :"State-space digital filters with minimum weighted round-off noise and pole sensitivity subject to l_2-scaling constraints", Twenty Fourth National Conference on Communications (NCC), IIT Hyderabad, India, pp. 322-326, Feb. 2018.

A. Doi and Y. Hinamoto :"Weighted roundoff noise and pole sensitivity minimization subject to l_2-scaling constraints for 2-D separable-denominator digital filters", 2017 European Conference on Circuit Theory and Design (ECCTD), Catania, Italy, pp. 1-4, Sept. 2017.

Y. Hinamoto and S. Nishimura :"Normal-form state-space realization of single frequency IIR notch filters and its application to adaptive notch filters", 2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS), Jeju, Korea, A1P-E-12, Oct. 2016.

Y. Hinamoto and A. Doi :"Minimized roundoff noise and pole sensitivity subject to l_2-scaling constraints for IIR filters", Proc. 23rd European Signal Processing Conference (EUSIPCO), Nice, France, pp. 1128-1132, Sept. 2015.

Y. Hinamoto and A. Doi :"Analysis of l_2-sensitivity for two-dimensional state-space digital filters by taking into account 0 and ±1 elements", Proc. 57th 2014 IEEE Int. Midwest Symp. on Circuits and Systems (MWSCAS), College Station, TX, pp. 687-690, Aug. 2014.

Yoichi Hinamoto and Akimitsu Doi :"Simplified computation of l_2-sensitivity for 1-D and a class of 2-D state-space digital filters considering 0 and ±1 elements", Proc. 10th Int. Conference on Signal Processing and Multimedia Applications (SIGMAP), Reykjavik, Iceland, pp. 53-58, July 2013.

Yoichi Hinamoto and Akimitsu Doi :"Analysis of l_2-sensitivity for canonical forms in 1-D and 2-D separable-denominator digital filters", Proc. 55th IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS), Boise, Idaho, pp. 920-923, Aug. 2012.

Yoichi Hinamoto and Akimitsu Doi :"A twin-reference complex filtered-X LMS algorithm for feedforward active noise control and its convergence", Proc. 54th IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS), Seoul, Korea, CD-ROM, Aug. 2011.

Yoichi Hinamoto, Hideaki Sakai and Shotaro Nishimura :"Narrowband active noise control using a multi-reference complex filtered-X affine projection algorithm", Proc. Int. Symposium on Intelligent Signal Processing and Communications Systems (ISPACS), Hong Kong, China, pp. 809-812, Dec. 2005.

Yoichi Hinamoto, Hideaki Sakai and Shotaro Nishimura :"Convergence analysis of a twin-reference complex filtered-X LMS algorithm considering the secondary path", Proc. 48th IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS), Cincinnati, Ohio, CD-ROM, Aug. 2005.

Yoichi Hinamoto and Hideaki Sakai :"Effects of frequency mismatch on linear and nonlinear filtered-X LMS algorithm with periodic reference signals", Proc. RISP Int. Workshop on Nonlinear Circuits and Signal Processing (NCSP), Waikiki, Hawaii, Mar. 2005. (NCSP'05 Student Paper Award)

Hideaki Sakai and Yoichi Hinamoto :"An exact analysis of the LMS algorithm with tonal reference signals in the presence of frequency mismatch", Proc. European Signal Processing Conference (EUSIPCO), Vienna, Austria, Sept. 2004.

Hideaki Sakai and Yoichi Hinamoto :"Convergence analysis of an unbiased modeling algorithm in hearing aids", Proc. IFAC Workshop on Adaptation and Learning in Control and Signal Processing (ALCOSP), Yokohama, Japan, Sept. 2004.

Yoichi Hinamoto and Hideaki Sakai :"Convergence analysis of linear and nonlinear filtered-X LMS algorithms for active control of multitonal noise", Proc. 47th IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS), Hiroshima, Japan, vol. 2, pp. 9-12, July 2004.

Tatsunori Asai, Yoichi Hinamoto, Hiroshi Saruwatari and Kiyohiro Shikano :"Interface for barge-in free spoken dialogue system using adaptive sound field control and microphone array", Proc. International Congress on Acoustics (ICA), Kyoto, Japan, vol. 1, pp. 755-758, Apr. 2004.

Hideaki Sakai, Shotaro Inoue and Yoichi Hinamoto :"Analysis of a Feedback-Type Active Noise Control System using Online Secondary Path Modeling with Application to Hearing Aids", Proc. Int. Workshop on Acoustic Echo and Noise Control (IWAENC), Kyoto, Japan, pp. 151-154, Sept. 2003.

Yoichi Hinamoto, Koichi Mino, Hiroshi Saruwatari and Kiyohiro Shikano :"Barge-in free spoken dialogue system based on sound field control and microphone array", Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Hong-Kong, China, vol.5, pp. 505-508, Apr. 2003.

Shoko Araki, Shoji Makino, Ryo Mukai, Yoichi Hinamoto, Tsuyoki Nishikawa and Hiroshi Saruwatari :"Equivalence between frequency domain blind source separation and frequency domain adaptive beamforming", Proc. IEEE Int. Conference on Acoustics, Speech and Signal Processing (ICASSP), Orlando, Florida, pp.1899-1902, May 2002.

Yoichi Hinamoto, Tsuyoki Nishikawa, Hiroshi Saruwatari, Shoko Araki, Shoji Makino and Ryo Mukai :"Equivalence between frequency domain blind source separation and adaptive beamforming", Proc. Int. Conference on Fundamentals of Electronics, Communications and Computer Sciences (ICFS), Tokyo, Japan, vol. 1, pp. 13-18, Mar. 2002.

Technical Reports:

Yoichi Hinamoto, Hideaki Sakai and Shotaro Nishimura : "A multi-reference complex filtered-X affine projection algorithm for narrowband active noise control", 20th SIP symposium, (Kochi) Nov. 2005.

Tatsunori Asai, Yoichi Hinamoto, Hiroshi Saruwatari and Kiyohiro Shikano : "Interface for Barge-in Free Spoken Dialogue System Based on Adaptive Sound Field Control", IEICE Technical Report, EA2003-153, pp.81-86, (Kyoto) Jan. 2004.