Selected Publications
Book Editors
- S. Makino, Te-Won Lee, and H. Sawada, Blind Speech Separation, Springer, Sep. 2007.
Book Chapters
- H. Sawada, Z. Koldovsky, "Independent Component and Vector Analysis," in Audio Source Separation and Speech Enhancement, E. Vincent, T. Virtanen, and S. Gannot, Eds, Wiley, pp. 263-288, Jul. 2018.
- H. Kameoka, H. Sawada, T. Higuchi, "General Formulation of Multichannel Extensions of NMF Variants," in Audio Source Separation, S. Makino, Ed, Springer, pp. 95-124, 2018.
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, H. Saruwatari, "Determined Blind Source Separation with Independent Low-Rank Matrix Analysis," in Audio Source Separation, S. Makino, Ed, Springer, pp. 125-155, 2018.
- H. Sawada, S. Araki, S. Makino, "Frequency-Domain Blind Source Separation," in Blind Speech Separation, S. Makino, Te-Won Lee, and H. Sawada, Eds, Springer, pp. 47-78, Sep. 2007.
- H. Sawada, R. Mukai, S. Araki, S. Makino, "Frequency-domain blind source separation," in Speech Enhancement, J. Benesty, S. Makino, J. Chen, Eds., Springer, pp. 299-327, Mar. 2005.
Tutorials
- N. Ito and H. Sawada, "A Unified Framework for Underdetermined and Determined Blind Audio Source Separation," EUSIPCO 2020, Online, Jan. 2021.
- H. Sawada, N. Ono, H. Kameoka, D. Kitamura, "Blind Audio Source Separation on Tensor Representation," ICASSP 2018, Calgary, April 2018. (Slide: PDF)
- S. Makino, H. Sawada, "Blind Speech Separation based on Independent Component Analysis and Sparse Component Analysis," Interspeech 2011, Florence, Aug. 2011. (Slide: PDF)
- S. Makino, H. Sawada, "Audio Source Separation based on Independent Component Analysis," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2007), April 2007. (Handout: PDF)
The last three tutorials are listed in IEEE SPS AASP Educational Activities
Journal Publications
- H. Sawada, R. Ikeshita, K. Kinoshita, T. Nakatani, "Multi-frame Full-rank Spatial Covariance Analysis for Underdetermined Blind Source Separation and Dereverberation," IEEE/ACM Trans. Audio, Speech, and Language Processing, vol. 31, pp. 3589-3602, 2023, doi: 10.1109/TASLP.2023.3313446. (Paper: PDF, Sample code: https://github.com/nttcslab-sp/mfFCA)
- Y.K. Wakabayashi, T. Otsuka, Y. Krockenberger, H. Sawada, Y. Taniyasu, H. Yamamoto, "Stoichiometric growth of SrTiO3 films via Bayesian optimization with adaptive prior mean," APL Machine Learning, vol.1, no.2, 2023. (Paper: Open Access)
- K. Niwa, N. Ueda, H. Sawada, A. Fujino, S. Takeda, G. Zhang, W. B. Kleijn, "CoordiNet: Constrained Dynamics Learning for State Coordination Over Graph," IEEE Trans. Signal and Information Processing over Networks, vol.9, pp.242-257, 2023.
- Y.K. Wakabayashi, T. Otsuka, Y. Krockenberger, H. Sawada, Y. Taniyasu, H. Yamamoto, "Bayesian optimization with experimental failure for high-throughput materials growth," npj Computational Materials, vol.8, no.1, 2022. (Paper: Open Access)
- T. Nakatani, R. Ikeshita, K. Kinoshita, H. Sawada, N. Kamo, S. Araki, "Switching independent vector analysis and its extension to blind and spatially guided convolutional beamforming algorithms," IEEE/ACM Trans. Audio, Speech, and Language Processing, vol.30, pp.1032-1047, 2022.
- N. Ito, R. Ikeshita, H. Sawada, T. Nakatani, "A joint diagonalization based efficient approach to underdetermined blind audio source separation using the multichannel Wiener filter," IEEE/ACM Trans. Audio, Speech, and Language Processing, vol.29, pp.1950-1965, 2021.
- K. Takiguchi, Y.K. Wakabayashi, H. Irie, Y. Krockenberger, T. Otsuka, H. Sawada, S.A. Nikolaev, H. Das, M. Tanaka, Y. Taniyasu, H. Yamamoto, "Quantum transport evidence of Weyl fermions in an epitaxial ferromagnetic oxide," Nature communications, vol.11, no.1, 2020. (Paper: Open Access)
- Y.K. Wakabayashi, T. Otsuka, Y. Krockenberger, H. Sawada, Y. Taniyasu, H. Yamamoto, "Machine-learning-assisted thin-film growth: Bayesian optimization in molecular beam epitaxy of SrRuO3 thin films," APL Materials, vol.7, no.10, 2019. (Paper: Open Access)
- H. Sawada, N. Ono, H. Kameoka, D. Kitamura and H. Saruwatari, "A review of blind source separation methods: two converging routes to ILRMA originating from ICA and NMF," APSIPA Transactions on Signal and Information Processing, vol. 8, May 2019. (Paper: Open Access)
- M. Kohjima, T. Matsubayashi and H. Sawada, "Learning of Nonnegative Matrix Factorization Models for Inconsistent Resolution Dataset Analysis," IEICE Transactions on Information and Systems, vol. 102, no. 4, Apr. 2019. (Paper: Open Access)
- A. Rolet, V. Seguy, M. Blondel and H. Sawada, "Blind source separation with optimal transport non-negative matrix factorization," EURASIP Journal on Advances in Signal Processing, vol. 2018, no. 53, Sep. 2018. (Paper: Open Access)
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, "Determined blind source separation unifying independent vector analysis and nonnegative matrix factorization," IEEE/ACM Trans. Speech, Audio, and Language Processing, vol.24, no. 9, pp. 1626-1641, Sep. 2016.
- T. Otsuka, K. Ishiguro, T. Yoshioka, H. Sawada, and H.G. Okuno, "Multichannel sound source dereverberation and separation for arbitrary number of sources based on bayesian nonparametrics," IEEE/ACM Trans. Audio, Speech, and Language Processing, vol.22, no.12, pp.2218-2232, Dec. 2014.
- T. Otsuka, K. Ishiguro, H. Sawada, and H.G. Okuno, "Bayesian nonparametrics for microphone array processing," IEEE/ACM Trans. Audio, Speech, and Language Processing, vol.22, no. 2, pp.493-504, 2014.
- M. Souden, S. Araki, K. Kinoshita, T. Nakatani, and H. Sawada, "A multichannel MMSE-based framework for speech source separation and noise reduction," IEEE Trans. Audio, Speech, and Language Processing, vol.21, no.9, pp.1913-1928, 2013.
- H. Sawada, H. Kameoka, S. Araki, N. Ueda, "Multichannel Extensions of Non-negative Matrix Factorization with Complex-valued Data," IEEE Trans. Audio, Speech, and Language Processing, vol.21, no.5, pp.971-982, May 2013. (Paper: PDF)
- H. Sawada, S. Araki, S. Makino,
"Underdetermined Convolutive Blind Source Separation via
Frequency Bin-Wise Clustering and Permutation Alignment,"
IEEE Trans. Audio, Speech, and Language Processing,
vol.19, no.3, pp.516-527, March 2011.
(Paper: PDF)
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Grouping Separated Frequency Components with Estimating Propagation Model
Parameters in Frequency-Domain Blind Source Separation,"
IEEE Trans. Audio, Speech, and Language Processing, vol.15, no.5,
pp.1592-1604, July 2007.
(Paper: PDF)
- S.C. Douglas, M. Gupta, H. Sawada, S. Makino,
"Spatio-Temporal FastICA Algorithm for the Blind Separation of Convolutive
Mixtures,"
IEEE Trans. Audio, Speech, and Language Processing, vol.15, no.5,
pp.1511-1620, July 2007.
- S. Winter, W. Kellermann, H. Sawada, S. Makino,
"MAP-Based Underdetermined Blind Source Separation of Convolutive
Mixtures by Hierarchical Clustering and l1-Norm Minimization,"
EURASIP Journal on Advances in Signal Processing, vol.2007,
Article ID 24717, 12 pages, 2007. (Paper:
PDF)
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Blind Extraction of Dominant Target Sources Using ICA and Time-Frequency
Masking,"
IEEE Trans. Audio, Speech, and Language Processing, vol.14, no.6,
pp.2165-2173, Nov. 2006
(Paper: PDF)
- S. Winter, H. Sawada, S. Makino,
"Geometrical Interpretation of the PCA Subspace Approach for
Overdetermined Blind Source Separation,"
EURASIP Journal on Applied Signal Processing, vol.2006,
Article ID 71632, 11 pages, 2006. (Paper:
PDF)
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Estimating the Number of Sources using Independent Component Analysis,"
Acoustical Science and Technology, the Acoustical Society of Japan,
vol.26, no.5, Sep. 2005.
- S. C. Douglas, H. Sawada, S. Makino,
"Natural Gradient Multichannel Blind Deconvolution and Speech
Separation Using Causal FIR Filters,"
IEEE Trans. Speech and Audio Processing, vol.13, no. 1, pp. 92-104,
Jan. 2005.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"A Robust and Precise Method for Solving the Permutation Problem
of Frequency-Domain Blind Source Separation,"
IEEE Trans. Speech and Audio Processing, vol.12, no. 5, pp. 530-538,
Sep. 2004. (Paper: PDF,
Errata)
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Convolutive Blind Source Separation for more than Two Sources in the
Frequency Domain,"
Acoustical Science and Technology, the Acoustical Society of Japan,
vol.25, no.4, July 2004.
- H. Sawada, R. Mukai, S. Araki, S. Makino, "Polar
Coordinate based Nonlinear Function for Frequency Domain Blind Source
Separation," IEICE Trans. Fundamentals, vol.E86-A, no.3, pp. 590-596,
March 2003. (Paper: PDF)
- S. Yamashita, H. Sawada and A. Nagoya,
"A General Framework to Use Various Decomposition Methods
for LUT Network Synthesis,"
IEICE Trans. Fundamentals,
Vol. E84-A, No. 11, pp. 2915-2922, Nov. 2001.
- S. Yamashita, H. Sawada and A. Nagoya,
"A new notion for functional flexibility: a summary,"
IEEE Circuits and Systems Magazine,
Vol. 2, No. 2, pp. 52-54, 2002.
- T. Suyama, M. Yokoo, H. Sawada and A. Nagoya,
"Solving satisfiability problems using reconfigurable computing,"
IEEE Trans. Very Large Scale Integration (VLSI) Systems,
Vol. 9, No. 1, pp. 109-116, Feb. 2001.
- H. Sawada, S. Yamashita and A. Nagoya,
"Efficient Kernel Generation based on Implicit Cube Set Representations
and Its Applications,"
IEICE Trans. Fundamentals,
Vol. E83-A, No. 12, pp. 2513-2519, Dec. 2000.
- S. Yamashita, H. Sawada and A. Nagoya,
"SPFD: A new method to express functional flexibility,"
IEEE Trans. Computer-Aided Design of Integrated Circuits and Systems,
Vol. 19, No. 8, pp. 840-849, Aug. 2000.
- H. Sawada, S. Yamashita and A. Nagoya,
"Restructuring Logic Representations with Simple Disjunctive Decompositions,"
IEICE Trans. Fundamentals,
Vol. E81-A, No. 12, pp. 2538-2544, Dec. 1998.
- S. Yamashita, H. Sawada and A. Nagoya,
"An Efficient Method for Finding an Optimal Bi-Decomposition,"
IEICE Trans. Fundamentals,
Vol. E81-A, No. 12, pp. 2529-2537, Dec. 1998.
- H. Sawada, T. Suyama and A. Nagoya,
"Logic Synthesis for Look-Up Table based FPGAs
using Functional Decomposition and Boolean Resubstitution,"
IEICE Trans. Information and Systems,
Vol. E80-D, No. 10, pp. 1017-1023, Oct. 1997.
- H. Sawada, Y. Takenaga and S. Yajima,
"On the Computational Power of Binary Decision Diagrams,"
IEICE Trans. Information and Systems,
Vol. E77-D, No. 6, pp. 611-618, Jun. 1994.
Conference Publications
- H. Sawada, R. Ikeshita, K. Kinoshita, T. Nakatani, "Multi-frame full-rank spatial covariance analysis for underdetermined bss in reverberant environments," IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2022) May, 2022.
- K. Aoyama, H. Sawada, "Acceleration method for learning fine-layered optical neural networks," IEEE/ACM International Conference On Computer Aided Design (ICCAD 2021), pp.1-9, Nov. 2021
- K. Niwa, G. Zhang, W.B. Kleijn, N. Harada, H. Sawada, A. Fujino, "Asynchronous decentralized optimization with implicit stochastic variance reduction," International Conference on Machine Learning (ICML 2021), pp.8195-8204, Jul., 2021
- H. Sawada, K. Aoyama,
"Computational Acceleration and Smart Initialization of Full-rank Spatial Covariance Analysis,"
European Signal Processing Conference (EUSIPCO 2019),
Sep., 2019.
- H. Sawada,
"Similarity Search-based Blind Source Separation,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2019), pp. 7888-7892, May, 2019.
- H. Sawada,
"Blind signal separation by synchronized joint diagonalization,"
International Conference on Latent Variable Analysis and Signal Separation (LVA/ICA 2018),
pp. 217-227, Jul., 2018.
- H. Sawada, H. Kameoka, S. Araki, N. Ueda,
"Efficient Algorithms for Multichannel Extensions of Itakura-Saito
Nonnegative Matrix Factorization,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2012), pp. 261-264, Mar., 2012.
(Paper: PDF)
- H. Sawada, H. Kameoka, S. Araki, N. Ueda,
"New Formulations and Efficient Algorithms for Multichannel NMF,"
IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
(WASPAA 2011), pp. 153-156, Oct. 2011.
- H. Sawada, H. Kameoka, S. Araki, N. Ueda,
"Formulations and Algorithms for Multichannel Complex NMF,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2011), pp. 229-232, May, 2011.
- H. Sawada, S. Araki, S. Makino,
"A Two-Stage Frequency-Domain Blind Source Separation Method for
Underdetermined Convolutive Mixtures,"
IEEE Workshop on Applications of Signal Processing to Audio and Acoustics
(WASPAA 2007), pp. 139-142, Oct. 2007.
- E. Vincent, H. Sawada, P. Bofill, S. Makino, J. P. Rosca,
"First Stereo Audio Source Separation Evaluation
Campaign: Data, Algorithms and Results," Proc. ICA 2007,
pp. 552-559, Sep. 2007.
(Paper: PDF)
- H. Sawada, S. Araki, S. Makino,
"MLSP 2007 Data Analysis Competition: Frequency-Domain Blind Source
Separation for Convolutive Mixtures of Speech/Audio Signals,"
IEEE International Workshop on Machine Learning for Signal Processing
(MLSP 2007), pp. 45-50, Aug. 2007.
(Paper: PDF)
- H. Sawada, S. Araki, S. Makino,
"Measuring Dependence of Bin-wise Separated Signals for Permutation
Alignment in Frequency-domain BSS,"
IEEE International Symposium on Circuits and Systems
(ISCAS 2007), pp. 3247-3250, May 2007.
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Blind Separation and Localization of Speeches in a Meeting Situation,"
Asilomar Conference on Signals, Systems and Computers (Asilomar 2006),
pp. 1407-1411, Oct. 2006.
(Paper: PDF)
- D. Kolossa, H. Sawada,
R. F. Astudillo, R. Orglmeister, S. Makino,
"Recognition of Convolutive Speech Mixtures by
Missing Feature Techniques for ICA,"
Asilomar Conference on Signals, Systems and Computers (Asilomar 2006),
pp. 1397-1401, Oct. 2006.
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Solving the Permutation Problem of Frequency-Domain BSS
when Spatial Aliasing Occurs with Wide Sensor Spacing,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2006), vol. V, pp. 77-80, May 2006.
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"On Calculating the Inverse of Separation Matrix in Frequency-Domain
Blind Source Separation," Proc. ICA 2006
(LNCS 3889, © Springer),
pp. 691-699, Mar. 2006.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Real-time blind extraction of dominant target sources from many
background interferences,"
International Workshop on Acoustic Echo and Noise Control (IWAENC 2005),
Sep. 2005.
(Paper: PDF)
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Multiple Source Localization using Independent Component Analysis,"
IEEE AP-S International Symposium and
USNC/URSI National Radio Science Meeting (AP-S/URSI 2005), July 2005.
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Blind extraction of a dominant source from mixtures of many
sources using ICA and time-frequency masking,"
IEEE International Symposium on Circuits and Systems (ISCAS 2005),
pp. 5882-5885, May 2005.
- H. Sawada, S. Araki, R. Mukai, S. Makino,
"Blind Extraction of a Dominant Source Signal from Mixtures of Many Sources,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2005), vol. III, pp. 61-64, Mar. 2005.
- S. C. Douglas, H. Sawada, S. Makino,
"A Spatio-Temporal FastICA Algorithm for Separating Convolutive Mixtures,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2005), vol. V, pp. 165-168, Mar. 2005.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Frequency-domain Blind Source Separation without Array Geometry Information,"
Joint Workshop on Hands-Free Speech Communication and
Microphone Arrays (HSCMA2005), Mar. 2005.
- S. Winter, H. Sawada, S. Araki, S. Makino,
"Hierarchical clustering applied to overcomplete BSS for convolutive
mixtures,"
ISCA Tutorial and Research Workshop on Statistical and Perceptual
Audio Processing (SAPA 2004), Oct. 2004. (Paper:
PDF)
- H. Sawada, S. Winter, R. Mukai, S. Araki,
S. Makino, "Estimating the Number of Sources for Frequency-Domain
Blind Source Separation," Proc. ICA 2004
(LNCS 3195, © Springer),
pp. 610-617, Sep. 2004.
- S. C. Douglas, H. Sawada, S. Makino,
"On Coefficient Delay in Natural Gradient Blind Deconvolution and
Source Separation Algorithms,"
Proc. ICA 2004
(LNCS 3195, © Springer),
pp. 634-642, Sep. 2004.
- S. Winter, H. Sawada, S. Araki, S. Makino,
"Overcomplete BSS for convolutive mixtures based on hierarchical clustering,"
Proc. ICA 2004
(LNCS 3195, © Springer),
pp. 652-660, Sep. 2004.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Convolutive Blind Source Separation for more than Two Sources in the
Frequency Domain,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2004),
vol. III, pp. 885-888, May. 2004.
- S. C. Douglas, H. Sawada, S. Makino, "Natural
Gradient Multichannel Blind Deconvolution and Source Separation using
Causal FIR Filters,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2004),
vol. V, pp. 477-480, May. 2004.
- S. C. Douglas, H. Sawada, S. Makino,
"A Causal Frequency-Domain Implementation of a Natural Gradient
Multichannel Blind Deconvolution and Source Separation Algorithm,"
International Congress on Acoustics, p. I-85, Apr. 2004.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Solving the Permutation and the Circularity Problem of
Frequency-Domain Blind Source Separation," International Congress on
Acoustics, pp. I-89, Apr. 2004.
(Paper: PDF)
- S. C. Douglas, H. Sawada, S. Makino, "Natural
Gradient Multichannel Blind Deconvolution and Speech Separation Using
Causal FIR Filters," Asilomar Conference on Signals, Systems, and
Computers, MP2-3, Nov. 2003.
- S. Winter, H. Sawada, S. Makino, "Geometrical
Understanding of the PCA Subspace Method for Overdetermined Blind
Source Separation," International Workshop on Acoustic Echo and Noise
Control (IWAENC2003), pp. 231-234, Sep. 2003. (Paper: PDF)
- H. Sawada, R. Mukai, S. de la Kethulle, S. Araki,
S. Makino, "Spectral Smoothing for Frequency-Domain Blind Source
Separation," International Workshop on Acoustic Echo and Noise Control
(IWAENC2003), pp. 311-314, Sep. 2003. (Paper: PDF)
- H. Sawada, R. Mukai, S. Makino, "Direction of
Arrival Estimation for Multiple Source Signals using Independent
Component Analysis," Seventh International Symposium on Signal
Processing and its Applications (ISSPA 2003), vol. 2, pp. 411-414,
July 2003. (Paper: PDF)
- H. Sawada, R. Mukai, S. Araki, S. Makino, "A
Robust Approach to the Permutation Problem of Frequency-Domain Blind
Source Separation,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP 2003),
vol. V, pp. 381-384, Apr. 2003.
- S. Winter, H. Sawada, S. Makino, "Geometrical
understanding of the PCA subspace method for overdetermined blind
source separation,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP2003),
vol. II, pp. 769-772, Apr. 2003.
- H. Sawada, R. Mukai, S. Araki, S. Makino, "A
Robust and Precise Method for Solving the Permutation Problem of
Frequency-Domain Blind Source Separation," 4th International Symposium
on Independent Component Analysis and Blind Signal Separation
(ICA2003), pp. 505-510, Apr. 2003. (Paper: PDF)
- S. Winter, H. Sawada, S. Makino, "Geometrical
interpretation of the PCA subspace method for overdetermined blind
source separation," 4th International Symposium on Independent
Component Analysis and Blind Signal Separation (ICA2003), pp. 775-780,
Apr. 2003.
- H. Sawada, S. Araki, R. Mukai, S. Makino, "Blind
Source Separation with Different Sensor Spacing and Filter Length for
Each Frequency Range," IEEE International Workshop on Neural Networks
for Signal Processing (NNSP2002), pp. 465-474, Sep. 2002.
- H. Sawada, R. Mukai, S. Araki, S. Makino,
"Polar Coordinate based Nonlinear Function for Frequency Domain Blind
Source Separation,"
IEEE International Conference on Acoustics, Speech, and Signal
Processing (ICASSP2002),
vol. I, pp. 1001-1004, May 2002.
- H. Sawada, R. Mukai, S. Araki and S. Makino,
"A Polar-Coordinate based Activation Function for Frequency Domain
Blind Source Separation," 3rd International Conference on Independent
Component Analysis and Blind Signal Separation (ICA2001),
pp. 663-668, Dec. 2001. (Paper: PDF)
- H. Sawada, S. Yamashita and A. Nagoya,
"SPFD: A Method to Express Functional Flexibility,"
10th International Workshop on Post-Binary ULSI Systems, May 2001.
- K. Aoyama, H. Sawada, A. Nagoya and K. Nakajima
"A Threshold Logic-based Reconfigurable Element with a Novel
Programming Technology," International Workshop on Field Programmable
Logic and Applications (FPL 2000), August 2000.
- S. Yamashita, H. Sawada and A. Nagoya,
"A Layout Driven Logic Decomposition Model,"
International Workshop on Logic Synthesis (IWLS 2000), May 2000.
- H. Sawada, S. Yamashita and A. Nagoya,
"A Boolean Division Algorithm based on Implicit Cube Set Representations,"
Workshop on Synthesis and System Integration of Mixed Technologies
(SASIMI 2000), pp. 279-283, April 2000.
- S. Yamashita, H. Sawada and A. Nagoya,
"An Efficient Framework of Using Various Decomposition Methods to
Synthesize LUT Networks and Its Evaluation,"
Asia and South Pacific Design Automation Conference (ASP-DAC 2000),
pp. 253-258, January 2000.
- H. Sawada, S. Yamashita and A. Nagoya,
"An Efficient Method for Generating Kernels on Implicit Cube Set
Representations," International Workshop on Logic Synthesis
(IWLS '99), pp. 260-263, June 1999.
(Paper: PDF)
- S. Yamashita, H. Sawada and A. Nagoya,
"An Integrated Approach for Synthesizing LUT Networks,"
Proc. of the 9th Great Lakes Symposium on VLSI (GLS-VLSI '99),
pp. 136-139, Feb. 1999.
- H. Sawada, S. Yamashita and A. Nagoya,
"Efficient Methods for a Simple Disjoint Decomposition and
Non-Disjoint Bi-Decomposition,"
7th International Workshop on Post-Binary ULSI Systems,
pp. 34-37, May 1998.
(Handout: PDF)
- H. Sawada, S. Yamashita and A. Nagoya,
"Restructuring Logic Representations with Easily
Detectable Simple Disjunctive Decompositions,"
Proc. Design, Automation and Test in Europe Conf. (DATE '98),
pp. 755-759, Feb. 1998.
(Paper: PDF)
- S. Yamashita, H. Sawada and A. Nagoya,
"New Methods to Find Optimal Non-Disjoint Bi-Decompositions,"
Proc. of Asia and South Pacific Design Automation Conference 1998
(ASP-DAC '98), pp. 59-68, Feb. 1998.
- T. Suyama, M. Yokoo, and H. Sawada,
"Solving Satisfiability Problems Using Logic Synthesis
and Reconfigurable Hardware,"
Proc. of the 31st Annual Hawaii International Conference on System
Sciences (HICSS-31), Vol. VII, pp. 179-186, Jan. 1998.
- H. Sawada, S. Yamashita and A. Nagoya,
"Restricted Simple Disjunctive Decompositions
Based on Grouping Symmetric Variables,"
Proc. the Seventh Great Lakes Symposium on VLSI (GLS-VLSI '97),
pp. 39-44, Mar. 1997.
- S. Yamashita, H. Sawada and A. Nagoya,
"A New Method to Express Functional Permissibilities
for LUT based FPGAs and Its Applications,"
Proc. Int'l Conf. Computer-Aided Design (ICCAD '96),
pp. 254-261, Nov. 1996.
- T. Suyama, M. Yokoo, and H. Sawada,
"Solving Satisfiability Problems on FPGAs,"
Proc. of the 6th International Workshop on Field
Programmable Logic and Applications (FPL '96), pp. 136-145, Sep. 1996.
- M. Yokoo, T. Suyama, H. Sawada,
"Solving Satisfiability Problems using Field Programmable Gate Arrays:
First Results,"
Second International Conference on Principles and Practice
of Constraint Programming (CP-96), pp. 497-509, Aug. 1996.
- T. Suyama, H. Sawada and A. Nagoya,
"LUT-based FPGA Technology Mapping using Permissible Functions,"
Proc. of the 9th International Conference on VLSI Design
(VLSI Design '96), pp. 215-218, Jan. 1996.
- H. Sawada, T. Suyama and A. Nagoya,
"Logic Synthesis for Look-Up Table based FPGAs using
Functional Decomposition and Support Minimization,"
Proc. Int'l Conf. Computer-Aided Design (ICCAD '95),
pp. 353-358, Nov. 1995.
- H. Sawada, T. Suyama and A. Nagoya,
"Logic Synthesis Method for Look-Up Table Architectures
using Functional Decomposition and Support Minimization,"
Proc. SASIMI,
pp. 161-168, Aug. 1995.
- N. Ishiura, H. Sawada and S. Yajima,
"Minimization of Binary Decision Diagrams based on Exchanges of Variables,"
Proc. Int'l Conf. Computer-Aided Design (ICCAD '91),
pp. 472-475, Nov. 1991.
Theses
- "Computational Power of Binary Decision Diagrams,"
Master Thesis, Department of Information Science,
Faculty of Engineering, Kyoto University, Feb. 1993.
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