Curriculum Vitae

Dr. Tetsuya Hoya

Nationality:Japanese
Date of Birth:Sept. 15, 1969
Place of Birth:Tokyo, Japan
Marital status:Married
Languages:Japanese and English
Hobbies:
  • Piano: playing almost all kinds of music, especially improvising Jazz, classical, Brasilian, and popular music, attended as a pianist at '91 Yamano Big-Band Jazz Contest held in Tokyo, and toured for the concerts at a number of colleges & universities around in Tokyo, Kawasaki, and Yokohama areas.
  • Composition: awarded a special prize on music composition, the 39th Oikawa classical music competition, Apr. 2017.
  • Teaching how to play the piano: having some teaching experiences at several popular music schools.
  • Composing/arranging/analysing musical suites: (mainly on the computer).
  • Organising musical events: see here for the previous concerts I have organised so far.
  • Computing: programing useful tools on the computers (including Windows, Mac-OS, SUN-OS, Linux, X-Windows, and IBM AIX-OS, having some experiences as a system administrator on SUN-OS machines), using C/BASIC/Pascal language families (like ANSI-C, Java, Perl, AWK & Sed, Tcl & Tk, JavaScript, VBScript, VBA, Delphi, C-Shell ... ) and Dynamic-HTML (HTML 4.0, CSS, ActiveX, etc.).
  • Playing sports: skating (both ice skating and roller blading), skiing, cycling, playing badminton, and table tennis.
  • General: Travelling, reading novels (especially Tatsuzo Ishikawa, Osamu Dazai, Juhgo Kuroiwa, and Sohseki Natsume and psychological literature (Jung study) by Hayao Kawai), and writing essays and poems.
Background Education:
  • 1988.3:
    Completed the high school course at Secondary attached high school of Nihon University
  • 1988.4-1992.3:
    Department of Electronics and Communication, Meiji University (for B.Sc.)
  • 1992.4-1994.3:
    Department of Electrical Engineering, Graduate School of Meiji University (for M.Sc.)
  • 1994.10-1997.9:
    Department of Electrical and Electronic Engineering, Imperial College of Science, Technology and Medicine, University of London. (for Ph.D.) (Supervised by Prof. A. G. Constantinides at the Communications and Signal Processing Group)
Work Experiences:
  • 1989.8:
    Software engineer as a summer holiday part-time worker at IBM Yamato laboratory, Kanagawa, Japan.
  • 1992.7-8:
    Computer programmer as a summer holiday part-time worker at Nippon System, Co. Ltd (a branch company of Toshiba), Tokyo, Japan.
  • 1994.4-1994.9:
    Research Assistant at Department of Electrical Engineering, Graduate School of Meiji University.
  • 1997.9-2000.8:
    Post-Doctral Research Associate (funded by EPSRC & BT) at Signal Processing and Digital Systems Section, Department of Electrical and Electronic Engineering, Imperial College of Science, Technology and Medicine, University of London, U.K.
  • 1999.10:
    Consultant to Racal Instruments Ltd., Slough, U.K (Part Time).
  • 2000.10-2006.3:
    Research Scientist at the Laboratory for Advanced Brain Signal Processing (headed by Prof. Andrzej Cichocki), Brain Science Institute, RIKEN, Japan.
  • 2004.4-2006.3:
    Liaison Conductor at RIKEN Expert Corps, Japan (Part Time).
  • 2004.4-2007.3:
    Part-time Lecturer at the School of Engineering, Saitama Institute of Technology, Japan.
  • 2007.4-2020.3:
    Associate Professor at the Dept. Mathematics, College of Science and Technology, Nihon University, Japan.
  • 2007.4-2018.3:
    Visiting Scientist, BSI-RIKEN, Japan.
  • 2020.4-2021.3:
    Professor at the Dept. Mathematics, College of Science and Technology, Nihon University, Japan.
  • 2021.4-:
    Professor at the Dept. Computer Engineering, College of Science and Technology, Nihon University, Japan.
Teaching Experiences:
  • 1992.4-1994.3:
    A teaching instructor of computing & electronic experiments for undergraduate students at Department of Electronics & Communication, Meiji University, Tokyo, Japan.
  • 1997.10-12 and 1998.10-11:
    An MSc. laboratory demonstrator at Department of Electrical and Electronic Engineering, Imperial College of Science, Technology and Medicine, University of London, U.K.
  • 1999.2-4 and 2000.2-4:
    A tutor and the course assignment marker for the third-year undergraduate course ``Advanced Signal Processing'' at Department of Electrical and Electronic Engineering, Imperial College of Science, Technology and Medicine, University of London, U.K.
  • 2003.4-2007.3:
    A part-time lecturer at the School of Engineering, Saitama Institute of Technology, Japan.
  • 2007.4-2021.3:
    Faculty at the Dept. Mathematics, College of Science and Technology, Nihon University, Japan.
  • 2021.4-:
    Faculty at the Dept. Computer Engineering, College of Science and Technology, Nihon University, Japan.
Social Activities:
  • 1986-7:
    Vice-President of the Badminton Sports Society at the high school course at Secondary attached high school of Nihon University.
  • 1990.4-1991.3:
    Accountant of the New Wave Jazz Orchestra at Meiji University, Ikuta.
External Academic Involvements:
  • Program comittee member for the International Conference on Artificial Neural Networks (ICANN-2023), Apr. 2023.
  • Program comittee member for the International Conference on Artificial Neural Networks (ICANN-2022), May. 2022.
  • Reviewer for the Journal of Artificial Life and Robotics, Mar. 2019 -
  • Reviewer for the Frontiers in Psychology, July 2018 -
  • Reviewer for the Cognitive Systems Research, Mar. 2018 -
  • Session Chair for the 2018 RIKEN-BSI-Cichocki Laboratory Alumni Japan Workshop on Frontier of Multidisciplinary Research: Brain Signal Processing and Multiway Data Mining, Mar. 2018.
  • Session Chair for the SCIS/ISIS-2016, Aug. 2016.
  • Reviewer for the SCIS/ISIS-2016, Apr. 2016.
  • Reviewer for the IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Feb 2016 -
  • Reviewer for the ICASSP-2013, Jan. 2013.
  • Program committee member for the IEEE 4th International Conference on Awareness Science and Technology (iCAST2012), June, 2012.
  • Program committee member for the IEEE 3rd International Conference on Awareness Science and Technology (iCAST2011), June, 2011.
  • Reviewer for the IEEE Transactions on Neural Networks and Learning Systems, 2011 -
  • Reviewer for the IEEE Transactions on Dielectrics and Electrical Insulation, 2010 -
  • Reviewer for the Artificial Intelligence Journal, 2010 -
  • Program committee member for the 2nd International Symposium on Aware Computing (ISAC2010), Nov. 2010.
  • Program committee member for the 1st International Workshop on Aware Computing (IWAC2009), Sept. 2009.
  • Associate Editor for the IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, May 2007 - July 2011.
  • Reviewer for the ICA-2007, Apr. 2007.
  • Reviewer for the IEEJ Transactions - C, 2007 -
  • Reviewer for the IEEE Transactions on Audio, Speech, and Language Processing, 2006 -
  • Reviewer for the Tribology International, 2005 -
  • Reviewer for the IEEE Transactions on Industrial Electronics, 2005 -
  • Reviewer for the Journal of Pervasive Computing and Communications, 2005.
  • Reviewer for the Journal of Signal Processing, 2004 -
  • Reviewer for the IEEE Signal Processing Letters, 2003 -
  • Session chair for the Computer and Vision-I at the Eighth International Symposium on Artificial Life and Robotics (AROB'03), Jan. 2003.
  • Organising committee member for the Fourth International Symposium on Independent Component Analysis and Blind Signal Separation (ICA-2003), 2002.
  • Reviewer for the Neurocomputing -- Special Issue on ICA, 2001, Special Issue on BSP, 2006.
  • Reviewer for the IEEE Transactions on Neural Networks, 2000 -
  • Reviewer for the IEEE Transactions on Circuit And Systems-II, 1999 -
  • Reviewer for the IEE Proceedings -- Vision, Image, and Signal Processing, 1999 -
  • Reviewer for the International Journal of Adaptive Control and Signal Processing - Special Issue on Active Noise and Echo Cancellation, 1999.
  • Reviewer for the IEEE Transactions on Signal Processing, 1998 -
Qualifications:
  • BSc. from Meiji University in 1992(Upper class honour).
  • Secondary engineer of information processing from Ministry of International Trade and Industry in 1993.
  • MSc. from Graduate School of Meiji University in 1994.
  • Ph.D./DIC. from Imperial College / University of London in 1998.
Grants:
  • T. Hoya, ``Continuous Speech Recognition by Cascaded Neural Networks and EEG Data Analysis Using Subspace Methods,'' Grant for Fundamental Science, CST, Nihon University, Amount: 1,000,000 yen, May 2011.
Awards:
  • Distinguished Musician, at the IBLA Grand Prize (Sept. 2022)
  • Prize, at the TIAA 28th National Composition Competition (May 2020)
  • First Place, in the Professional International Division, at the 2020 Golden Key Piano Composition Competition (Jan. 2020)
  • Special Prize for Composition, the 39th Audition by the Oikawa Classical Music Agent (Apr. 2018)
  • Senior Member, IEEE (Apr. 2006)
  • Co-recipient for the Best paper award in the 2005 IEEE International Workshop on VLSI Design and Video Technology (IEEE IWVDVT2005).
List of Publications:
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Monographs:
  1. T. Hoya, 24 Prelude Impromptus, Tokyo International Association of Arts (TIAA), (Total: 112 pages), Aug. 2020.
  2. T. Hoya, ``Spoken Language Processing, from Isolated Word Recognition to Neural Representation of Syntactical Structures, Based upon Kernel Memory,'' Chapter 16, Trends in Digital Signal Processing 2: Learning Approaches in Signal Processing, Pan Stanford Publishing, pp. 579-611, Nov. 2018.
  3. T. Hoya, ``Modeling the Structures of Complex Systems -- Data Representations, Neural Learning, and Artificial Mind,'' Chapter 13, Trends in Digital Signal Processing: A Festschrift in Honour of A.G. Constantinides, pp. 407-431, Pan Stanford Publishing, July 2015.
  4. T. Hoya, Artificial Mind System - Kernel Memory Approach, Series: Studies in Computational Intelligence, Vol. 1 (Total: 270 pages), Heidelberg: Springer-Verlag, Aug. 2005.
International Journals Papers:
  1. T. Hoya, ``Reducing the Number of Centers in a Probabilistic Neural Network via Applying the First Neighbor Means Clustering Algorithm,'' Array, Elsevier, Vol. 14, pp. 1-7, July 2022.
  2. T. Hoya, ``A Modified Cascaded Neuro-Computational Model Applied to Recognition of Connected Spoken Japanese Prefecture Words,'' J. Artificial Life and Robotics, pp.1-6, Aug. 2019.
  3. T. Hoya and C. van Leeuwen,``Connected Word Recognition Using a Cascaded Neuro-Computational Model,'' Connection Science, Aug. 2016.
  4. T. Hoya and C. van Leeuwen, ``A Cascaded Neuro-Computational Model for Spoken Word Recognition,'' Connection Science, Vol. 22, No. 1, pp. 87-101, Mar. 2010.
  5. T. Hoya, ``Modelling Neuronal Grammar Circuits,'' English Linguistics: Journal of the English Linguistic Soc. of Japan (review article), Vol. 25, No. 2, pp. 479-499, Dec. 2008.
  6. T. Hoya and Y. Washizawa, ``Simultaneous Pattern Classification and Multi-Domain Association Using Self-Structuring Kernel Memory Networks,'' IEEE Transactions on Neural Networks, Vol. 18, No. 3, pp. 732-744, May 2007.
  7. T. Hoya, T. Tanaka, A. Cichocki, T. Murakami, G. Hori, and J. A. Chambers, ``Stereophonic Noise Reduction Using A Combined Sliding Subspace Projection and Adaptive Signal Enhancement,'' IEEE Transactions on Speech and Audio Processing, Vol. 13, No. 3, pp. 309-320, May 2005.
  8. M. G. Jafari, W. Wang, J. A. Chambers, T. Hoya, and A. Cichocki, ``Sequential Blind Source Separation of Periodic Signals Based Exclusively on Second Order Statistics,'' IEEE Transactions on Signal Processing, Vol. 54, No. 3, pp. 1028-1040, Mar. 2006.
  9. T. Murakami, T. Hoya, and Y. Ishida, ``Speech Enhancement by Spectral Subtraction Based on Subspace Decomposition,'' IEICE Transactions on Fundamentals, Vol. E88-A, no. 3, pp. 690-701, Mar. 2005.
  10. T. Hoya, ``Notions of Intuition and Attention Modeled by A Hiearchically Arranged Generalized Regression Neural Network,'' IEEE Transactions on Systems, Man, and Cybernetics - Part B: Cybernetics, Vol. 34, No. 1, pp. 200-209, Feb. 2004.
  11. T. Hoya, ``On the Capability of Accommodating New Classes Within Probabilistic Neural Networks,'' IEEE Transactions on Neural Networks, Vol. 14, No. 2, pp. 450-453, Mar. 2003.
  12. T. Hoya and J. A. Chambers, ``Heuristic Pattern Correction Scheme Using Adaptively Trained Generalized Regression Neural Networks,'' IEEE Transactions on Neural Networks, Vol. 12, No. 1, pp. 91-100, Jan. 2001.
  13. T. Hoya, J. A. Chambers, and P. A. Naylor, ``A Study of the $\epsilon$-NLMS Algorithm With Application to Stereophonic Acoustic Echo Cancellation,'' International Journal of Adaptive Control and Signal Processing - Special Issue on Active Noise and Echo Cancellation, Vol. 14, No. 6, pp. 609-621, Sept. 2000.
  14. T. Hoya, ``Graph Theoretic Techniques for Pruning Data and Their Applications,'' IEEE Transactions on Signal Processing, pp. 2574-2579, Vol. 46, No. 9, Sept. 1998.
  15. T. Hoya, Y. Loke, J. A. Chambers, and P. A. Naylor, ``Application of the Leaky eXtended LMS (XLMS) Algorithm in Stereophonic Acoustic Echo Cancellation,'' Eurasip Journal of Signal Processing - Special Issue on Acoustic Echo and Noise Control, Vol. 64(1), pp. 87-91, Jan. 1998.
Domestic Journal Papers:
  1. T. Hoya, Y. Sato, and T. Yoshii, ``Broadband Noise Reduction in Speech via Multiway Subspace Data Reconstruction,'' Journal of Research Institute of Science and Technology, College of Science and Technology, Nihon University, Vol. 136, July 2016.
  2. T. Hoya and Y. Ishida, ``Identification and Control of Nonlinear Systems Using Radial Basis Function Neural Networks,'' Journal of Japan Hydro and Pneumatic Society (an invited commentary paper, in Japanese), Vol. 32, No. 7, pp. 62-66, Nov. 2001.
International Conference Papers:
  1. K. Takahashi, S. Morita, and T. Hoya, ``Analytical Comparison between the Pattern Classifiers Based upon A Multilayered Perceptron and Probabilistic Neural Network in Parallel Implementation,'' Proc. Int. Conf. Artificial Neural Networks (ICANN-2022): Lecture Notes in Computer Science Vol. 13531, Springer, pp. 544-555, Sept. 2022.
  2. T. Hoya, ``Recognition of connected spoken Japanese prefecture words using a modified cascaded neuro-computational model,'' Proc. the 24th Int Symp. Artificial Life and Robotics (AROB-24), pp. 519-523, Jan. 2019.
  3. T. Hoya, ``On the Parameter Setting of A Network-Growing Algorithm for Radial Basis Kernel Networks,'' Proc. the Joint 8th Int. Conf. Soft Computing and Intelli. Syst. and 17th Int. Symp. Advanced Intelli. Syst., Aug. 2016.
  4. Y. Sato, T. Hoya, H. Bakardjian, and A. Cichocki, ``Reduction of Broadband Noise in Speech Signals by Multilinear Subspace Analysis,'' Proc. InterSpeech2010, pp. 965-968, Sept. 2010.
  5. N. Toyoda-Akiho and T. Hoya, ``Artificial Mind System - As an Engineering Approach to the Language Acquisition Studies,'' Proc. 2nd CLS Int. Conf. CLaSIC-2006: Processes and Process-Orientation in Foreign Language Teaching and Learning, Dec. 2006.
  6. T. Hoya and N. Toyoda-Akiho, ``Artificial Intelligence and Language Acquisition -- An Example of A New Approach -- Solution to the `WUG'-Test Interpreted within the Artificial Mind System Context,'' Proc. the 8th Annual Int. Conf. Japanese Soc. for Language Sciences (JSLS-2006), pp. 169-174, June 2006.
  7. L. Zhao, J. Cao, T. Hoya, and A. Cichocki, ``Dynamic Brain Sources of Single-Trial Auditory Evoked Potentials Data Using Complex ICA Approach,'' Proc. 27th Annu. Int. Conf. IEEE Engi. in Medicine and Biology Soc. (EMBC-2005), pp. 260-263, Sept. 2005.
  8. L. Zhao, J. Cao, T. Hoya, and A. Cichocki, ``Analysis of Single-Trial EEG Data Using a Combined Robust Pre-Whitening Technique and ICA Approach,'' Proc. IEEE Int. Conf. VLSI Design and Video Tech., pp. 238-242, May 2005 (awarded the best paper).
  9. T. Hanada, T. Hoya, T. Murakami, and Y. Ishida, ``Blind Speech Extraction Using Subband Independent Component Analysis with Scale Adjustment Function and Neural Memory,'' Proc. TENCON'04, pp. 665-668, Oct. 2004.
  10. T. Hoya, ``Self-Organising Associative Kernel Memory for Multi-Domain Pattern Classification,'' Proc. ALCOSP-2004, pp. 735-740, Aug. 2004.
  11. T. Hoya, T. Tanaka, T. Murakami, and A. Cichocki, ``Stereophonic Noise Reduction By A Combined Multi-Stage Sliding Subspace Projection and Adaptive Signal Enhancement,'' Proc. ALCOSP-2004, pp. 421-426, Aug. 2004.
  12. T. Hanada, T. Hoya, S. Ding, A. K. Barros, and Y. Ishida, ``Combined Subband Independent Component Analysis and Neural Memory for Blind Speech Extraction,'' Proc. ITC-CSCC 2004, July 2004.
  13. T. Hoya, G. Hori, H. Bakardjian, T. Nishimura, T. Suzuki, Y. Miyawaki, A. Funase, and J. Cao, ``Classification of Single Trial EEG Signals by a Combined Principal + Independent Component Analysis and Probabilistic Neural Network Approach,'' Proc. ICA2003, pp. 197-202, Jan. 2003.
  14. T. Hoya, A. Cichocki, T. Tanaka, G. Hori, T. Murakami, and J. A. Chambers, ``A Combined Cascading Subspace Methods and Adaptive Signal Enhancement for Stereophonic Noise Reduction,'' Proc. ICA2003, pp. 573-578, Jan. 2003.
  15. T. Hoya, A. K. Barros, T. Rutkowski, A. Cichocki, ``Speech Extraction Based Upon a Combined Subband Independent Component Analysis and Neural Memory,'' Proc. ICA2003, pp. 355-360, Jan. 2003.
  16. T. Hoya, ``A Kernel Based Neural Memory Concept and Representation of Procedural Memory and Emotion,'' Proc. AROB'03, pp. 373-376, Jan. 2003.
  17. T. Ibayashi, T. Hoya, O. Ono, and Y. Ishida, ``A Model-Following Adaptive Controller Using Radial Basis Function Networks,'' Proc. CACSD-2002, pp. 820-824, Glasgow, Scotland, Sept. 2002 (invited paper).
  18. T. Watanabe, T. Murakami, M. Namba, T. Hoya, and Y. Ishida, ``Transformation of Spectral Envelope for Voice Conversion Based on Radial Basis Function Networks,'' Proc. ICSLP-2002, pp. 285-288, Denver, USA, Sept. 2002.
  19. T. Murakami, M. Namba, T. Hoya, and Y. Ishida, ``Pitch Extraction of Speech Signals Using an Eigen-Based Subspace Method,'' Proc. ICSLP-2002, pp. 1729-1732, Denver, USA, Sept. 2002.
  20. T. Hoya, ``Interpreting Two Psychological Functions by A Hierarchically Structured Neural Memory Model,'' Proc. DARS-2002, pp. 405-414, Hakata, Japan, June 2002.
  21. T. Watanabe, T. Murakami, M. Namba, T. Hoya, and Y. Ishida, ``Recovery of Broadband Speech from Narrowband Speech by Radial Basis Function Neural Networks,'' Proc. TENCON'02, May 2002.
  22. T. Murakami, M. Namba, T. Hoya, and Y. Ishida, ``Speech Enhancement Based on a Combined Higher Frequency Regeneration Technique and Radial Basis Function Networks,'' Proc. TENCON'02, May 2002.
  23. T. Hoya, ``Modeling the Notions of Intuition and Consciousness by Hierarchically Arranged Generalized Regression Neural Networks,'' Proc. NOLTA-2001, pp. 403-406, Zao, Japan, Oct 2001 (invited paper).
  24. J. Watanabe, T. Hoya, and Y. Ishida, ``Design of Model-Following Controllers Using Radial Basis Function Neural Networks,'' Proc. IASTED 2001, pp. 113-116, Rhodes, Greece, July 2001.
  25. T. Murakami, M. Namba, T. Hoya, and Y. Ishida, ``Speech Enhancement Using MUSIC (MUltiple SIgnal Classification) Algorithm,'' Proc. IASTED 2001, pp. 213-216, Rhodes, Greece, July 2001.
  26. A. Cichocki, R. R. Gharieb, and T. Hoya, ``Efficient Extraction of Evoked Potentials by Combination of Wiener Filtering and Subspace Methods,'' Proc. ICASSP 2001, Salt Lake City, USA, May 2001.
  27. T. Hoya, J. A. Chambers, and P. A. Naylor, ``Low Complexity $\epsilon$-NLMS Algorithms and Subband Structures for Stereophonic Acoustic Echo Cancellation,'' Proc. IWAENC'99, pp.36-39, Sept. 1999.
  28. T. Hoya, J. Chambers, N. Forsyth, and P. A. Naylor, ``Steady-State Solutions of the Extended LMS Algorithm for Stereophonic Acoustic Echo Cancellation with Leakage or Signal Conditioning,'' Proc. EUSIPCO-98, Vol. 2, pp. 977-980, Rhodes, Greece, Sept. 1998.
  29. T. Hoya and A. G. Constantinides, ``A Heuristic Pattern Correction Scheme for GRNNs and its Application to Speech Recognition,'' Proc. IEEE Workshop - NNSP'98, pp. 351-359, Cambridge, U.K., Aug. 1998.
  30. T. Hoya, H. Kamata, and Y. Ishida, ``Spoken Digit Recognition Using Neural Networks Trained by Incremental Learning,'' Proc. Fifth Australian International Conference on Speech Science and Technology, Vol. 2, pp. 512-517, Perth, Australia, Dec. 1994.
  31. T. Hoya, H. Ihara, and Y. Ishida, ``Spoken Word Recognition by Neural Networks Using Adaptive Inverse Filters,'' Proc. of International Conference on Signal Processing Applications & Technology, pp. 1218-1221, Dallas, USA, Oct. 1994.
  32. T. Hoya, H. Ihara, T. Asano, and Y. Ishida, ``Word Recognition Using Adaptive Mel-Cepstral Analysis,'' Proc. IEEE International Workshop on Intelligent Signal Processing and Communication Systems '94, pp. 68-71, Seoul, Korea, Oct. 1994.
  33. T. Houya, H. Kamata and Y. Ishida, ``Design and Implementation of an Adaptive Filter Using Neural Networks,'' Proc. International Joint Conference on Neural Networks '93, Vol. 1, pp. 979-982, Nagoya, Japan, Oct. 1993.
  34. T. Houya, H. Kamata and Y. Ishida, ``Design of an Adaptive FIR Filter Using Symmetric Nerual Networks,'' Proc. 1993 Canadian Conference on Electrical and Computer Engineering, Vol. 1, pp. 96-99, Vancouver, Canada, Sept. 1993.
Domestic Conference Papers:
  1. D. Kamio, T. Hiroki, R. Tanaka, T. Hoya, and Y. Ishida, ``Digits Recognition Using a Combined Self-Organizing Map and Edit Distance,'' Proc. 2015 Annual Conf., Institute of Electrical Engi. Japan, Tokyo, Japan, pp. 96-97, Mar. 2015.
  2. H. Sahara, T. Hoya, H. Bakardjian, and A. Cichocki, ``Efficient Identification of EMG Patterns in Electroencephalograms by Multilinear Subspace Analysis,'' the 26th SIP Symposium, IEICE, Sapporo, Japan, Nov. 2011.
  3. L. Zhao, J. Cao, T. Hoya, and A. Cichocki, ``Analysis of Dynamical Visual Evoked Potential EEG Data Using ICA Approach,'' the 44th Annual Conf. Japanese Soc. for Medical and Biological Engineering, Tsukuba, Japan, Apr. 2005.
  4. T. Hoya, ``Modeling Two Psychological Functions by A Hierarchically Arranged Generalised Regression Neural Networks,'' SI2002, vol. 2, pp. 369-370, Kobe, Japan, Dec. 2002 (invited paper).
  5. T. Ibayashi, T. Hoya, and Y. Ishida, ``Identification and Control of Nonlinear Systems Using Radial Basis Function Networks,'' Proc. of Japan Hydro and Pneumatic Society, May 2002 (in Japanese).
Invited Lectures:
  1. T. Hoya, ``Overview of Spoken Language Processing by Means of Kernel Memory, from Isolated Word Recognition to Representation of Syntactical Structures,'' 2018 RIKEN-BSI-Cichocki Laboratory Alumni Japan Workshop on Frontier of Multidisciplinary Research: Brain Signal Processing and Multiway Data Mining, Mar. 2018.
  2. T. Hoya, ``Kernel Memory -- A New Connectionist Framework and Its Application to Spoken Word Recognition and Modelling Cognitive Faculties,'' Dept. Integrated Science in Physics and Biology, College of Humanities and Science, Nihon University, Jan. 2015.
  3. T. Hoya, ``Kernel Memory -- A New Connectionist Framework and Its Application to Spoken Word Recognition and Modelling Cognitive Faculties,'' Dept. Physics, College of Science and Technology, Nihon University, Dec. 2014.
  4. T. Hoya, ``Kernel Memory -- A New Connectionist Framework and Its Application to Spoken Word Recognition and Modelling Cognitive Faculties,'' Constantinides Workshop, 19th Int. Conf. on Digital Signal Processing (DSP-2014), Hong Kong, Aug. 2014.
  5. T. Hoya and N. A. Toyoda, ``Artificial Intelligence and Language Acquisition -- Modelling An Artificial Language Acquisition Mechanism for Representing Inflections of Words Within the Context of Artificial Mind System and Kernel Memory,'' Sendai International Forum on Sentence Processing and Psycholinguistics in East Asian Languages, Oct. 2006.
  6. T. Hoya, ``Towards the Development of Artificial Mind System -- Robots with Emotions,'' IEEJ annual lectures (saitama), RIKEN, Oct. 18, 2005.
  7. T. Hoya, ``Creating the Brain - It's Not a Mere Dream But an Active and Multi-Disciplinary Research Topic,'' Proc. of the First Forum for Young Scientists, Saitama Institute of Technology, pp. 25-30, Oct. 2003.

Patents (Hold):

  1. T. Hoya, ``A Hierarchical Designing Method of Artificial Neural Networks with Modeling the Psychological Functions,'' Patent No. 4925235 (Application No. 2001-291235), Japan, Mar. 2012 (registered).
  2. T. Hoya, ``Self-Evolutionary Language Pattern Recognition System,'' Patent No. 4899177 (Application No. 2004-337426), Japan, Jan. 2012 (registered).
  3. T. Hoya, ``Interconnecting Neural Network System, Interconnecting Neural Network Structure Construction Method, Self-Organizing Neural Network Structure Construction Method, and Construction Programs Therefor,'' Patent No. 4771249 (Application No. 2003-38504), Japan, Aug. 2011 (registered).
  4. T. Hoya, ``Self-Evolutionary Pattern Recognition System,'' Patent No. 4599509 (Application No. 2004-261281), Japan, Oct. 2010 (registered).
  5. T. Hoya, ``Long-Term Memory Neural Network Modeling Memory-Chaining Functions of the Brain Wherein A Pointer Holds Information About Mutually Related Neurons and Neurons Are Classified Hierarchically by Degree of Activation,'' U.S.A. Patent No. 7747549B2 (applied in Oct. 2002), Oct. 2010 (registered).
  6. T. Hoya, A. K. Barros, T. Rutkowski, and A. Cichocki, ``A Signal Extraction System,'' Patent No. 4364493 (Application No. 2002-289797), Japan, Oct. 2009 (registered).
  7. T. Hoya, ``Mutually Connected Neural Network System,'', Patent No. 4338998 (Application No. 2003-080962), Japan, July 2009 (registered).
  8. T. Hoya, ``Interconnecting Neural Network System, Interconnecting Neural Network Structure Construction Method, Self-Organizing Neural Network Structure Construction Method, and Construction Programs Therefor,'' U.S.A. Patent No. 7496546, Feb. 2009 (registered).
  9. T. Hoya and A. Cichocki, ``Noise Reduction System and Noise Reduction Method,'' Patent No. 4228104 (Application No. 2002-129820), Japan, Dec. 2008 (registered).
  10. T. Hoya, A. Cichocki, T. Murakami, and Y. Ishida, ``Noise Reduction System and Noise Reduction Method,'' Patent No. 4219611 (Application No. 2002-129752), Japan, Nov. 2008 (registered).
Referred Patents (Hold):
  1. E. Li, A. Cichocki, S. Amari, and T. Hoya, ``Signal Separation System, Signal Separation Method, and Signal Separation Program Therefor,'' Patent No. 4354387 (Application No. 2004-334485), Japan, Oct. 2009 (registered).

Other Invited Talks:

  • T. Hoya, Invited talk to the new comers, Meiji Univ., Apr. 23, 2004.
  • T. Hoya, Invited talk to the new comers, Meiji Univ., May 17, 2002.

Theses/Reports:

  1. T. Hoya, ``Graph Theoretic Methods for Data Partitioning,'' Ph.D thesis, Imperial College, University of London, Aug. 1997.
  2. T. Hoya, ``Graph Theoretic Techniques for Pruning Training Sets of Neural Networks and Edge Detection of an Image,'' MPhil/Ph.D transfer report, Imperial College, University of London, Mar. 1996.
Internal Reports:
  1. T. Hoya, ``A Research Report on Stereophonic Acoustic Echo Cancellation,'' Imperial College, Mar. 1998.
  2. T. Hoya, ``A Report on Cross-Momentum XLMS Algorithm Based Upon Past Gradient Directions and Its Application to Stereophonic Acoustic Echo Cancellation,'' Imperial College, May, 1998.
  3. T. Hoya, ``Towards A Better Understanding of the Normalised LMS Type Algorithms for Stereophonic Acoustic Echo Cancellation,'' Imperial College, July, 1998.
  4. T. Hoya, ``A Study of Noise Reduction Methods for Stereophonic Outputs,'' Imperial College, Sept. 1999.