- Ken Matsunaga and Kenji Suyama : Improvement of Ominidirectional Sound Source Tracking Performance By Expanding Microphone Width, Proceedings of ITC-CSCC 2018, pp.385-388, 2018(Bangkok, Thailand)
- Naoki Nakajima and Kenji Suyama : A Proposal of Multiple Population GA for Design of CSD Coefficient FIR Filter, Proceedings of ITC-CSCC 2018, pp.399-402, 2018(Bangkok, Thailand)
- Kenzo Yamamoto and Kenji Suyama : Active Enumeration of Local Minima for IIR Filter Design Using PSO, Proceedings of APSIPA ASC 2017, TA-P3.7, 2017(Kuala Lumpur, Malaysia)
- Kenta Omiya and Kenji Suyama : Multiple Sound Source Tracking Using Low Complexity Directional Estimation, Proceedings of IEEE ISCIT2017, pp.355-360, 2017(Cairns, Australia)
- Kenzo Yamamoto and Kenji Suyama : Design of IIR Filters with Alternative Intensification and Diversification Ability Using PSO, Proceedings of IEEE ISCIT2017, pp.199-202, 2017(Cairns, Australia)
- Naoki Shinohara and Kenji Suyama : An Improvement of Sound Source Separation Performance by Post Processing, Proceedings of ITC-CSCC2017, pp.118-121, 2017(Busan, Korea)
- Takeshi Isomoto and Kenji Suyama : An Accelerated Design of Microphone Array Directivity for Moving Sound Source, Proceedings of ITC-CSCC2017, pp.114-117, 2017(Busan, Korea)
- Tomohiro Sasahara and Kenji Suyama : Search Process in Metaheuristics for CSD Coefficient FIR Filter Design, Proceedings of APSIPA ASC 2016, PID-67, 2016(Jeju, Korea)
- Naoki Shinohara and Kenji Suyama : Target Sound Enhancement Method by Two Microphones Based on DOA Estimation Results, Proceedings of IEEE ISESD2016, PID-23, 2016(Bandung, Indonesia)
- Haruna Aimi and Kenji Suyama : Multi-Constrained IIR Filter Design Using PSO, Proceedings of IEEE ISESD2016, PID-22, 2016(Bandung, Indonesia)
- Kenta Omiya and Kenji Suyama : Two Microphone Approach for Multiple Sound Source Tracking, Proceedings of IEEE ISESD2016, PID-93, 2016(Bandung, Indonesia)
- Haruna Aimi and Kenji Suyama : Design of IIR Filters with Constraints Using Multi-Swarm PSO, Proceedings of IEEE ISPACS2016, pp.476-481, 2016(Phuket, Thailand)
- Tomohiro Sasahara and Kenji Suyama : Verification of Search Process in CSD Coefficient FIR Filter Design, Proceedings of IEEE ISPACS2016, pp.482-486, 2016(Phuket, Thailand)
- Kenta Omiya and Kenji Suyama : Sound Source Tracking via Two Microphones Based on MUSIC Using PSO, Proceedings of IEEE ISPACS2016, pp.50-55, 2016(Phuket, Thailand)
- Naoki Shinohara and Kenji Suyama : Speech Enhancement Based on Sound Source Localization Results, Proceedings of ITC-CSCC2016, pp.827-830, 2016(Okinawa, Japan)
- Yuto Arie and Kenji Suyama : Evolutionary Stagnation Avoidance for Design FIR FIlters Using GA, Proceedings of ITC-CSCC2016, pp.823-826, 2016(Okinawa, Japan)
- Katsuya Nakazawa and Kenji Suyama : Multiple Sound Source Tracking via Avoidance of Spatial Aliasing, Proceedings of ITC-CSCC2016, pp.775-778, 2016(Okinawa, Japan)
- Haruna Aimi and Kenji Suyama : Design of Constrained IIR Filters Using PSO, Proceedings of ITC-CSCC2016, pp.771-774, 2016(Okinawa, Japan)
- Kenzo Yamamoto and Kenji Suyama : Design of IIR Filters Using PSO with Improved Intensification and Diversification Ability, Proceedings of ITC-CSCC2016, pp.767-770, 2016(Okinawa, Japan)
- Tomohiro Sasahara and Kenji Suyama : An ACO Approach for Design of CSD Coefficient FIR Filters, Proceedings of APSIPA ASC 2015, pp.463-468, 2015(HongKong, China)
- Haruna Aimi and Kenji Suyama : Performance Evaluation of IIR Filter Design Using Multi-Swarm PSO, Proceedings of APSIPA ASC 2015, pp.469-475, 2015(HongKong, China)
- Yusuke Shiiki and Kenji Suyama : Omnidirectional Sound Source Tracking Based on Sequential Updating Histogram, Proceedings of APSIPA ASC 2015, pp.1249-1256, 2015(HongKong, China)
- Tomohiro Sasahara and Kenji Suyama : An Effectiveness of ACO Approach in Design of CSD Coefficient FIR Filters, Proceedings of ISPACS2015, pp.580-585, 2015(Bali, Indonesia)
- Haruna Aimi and Kenji Suyama : A Heuristic Approach for Designing Microphone Array Directivity Based on PSO, Proceedings of ISPACS2015, pp.107-111, 2015(Bali, Indonesia)
- Yusuke Shiiki and Kenji Suyama : Multiple Omnidirectional Sound Source Tracking using Sequential Updating Histogram, Proceedings of ISPACS2015, pp.112-117, 2015(Bali, Indonesia)
- Tomohiro Sasahara and Kenji Suyama : An Acceleration of Designing FIR Filters with CSD Coefficients Using ACO, Proceedings of ISCIT2015, pp.25-28, 2015(Nara, Japan)
- Haruna Aimi and Kenji Suyama : Design of IIR Filters by Determining Particle Reallocation Space Using Multi-Swarm PSO, Proceedings of ISCIT2015, pp.29-32, 2015(Nara, Japan)
- Tomohiro Sasahara and Kenji Suyama : Performance Evaluation in Design of CSD Coefficient FIR Filters Using ACO, Proceedings of SISA2015, pp.5-9, 2015(Chiba, Japan)
- Haruna Aimi and Kenji Suyama : Suitable Number of Swarms in Multi-Swarm PSO for Design of IIR Filters, Proceedings of SISA2015, pp.10-13, 2015(Chiba, Japan)
- Takuya Imaizumi and Kenji Suyama : An Effective Reduction of Subproblems in Design of CSD Coefficient FIR Filters, Proceedings of APSIPA ASC 2014, 2014(Siem Reap, Cambodia)
- Masato Hirakawa and Kenji Suyama : Multiple Sound Source Tracking by Adding Penalty Function, Proceedings of ITC-CSCC2014, pp.181-184, 2014(Phuket, Thailand)(Best Paper Award受賞)
- Yuji Nishimura and Kenji Suyama : Design of IIR Filters using Multi-swarm PSO, Proceedings of ITC-CSCC2014, pp.460-463, 2014(Phuket, Thailand)
- Masato Hirakawa and Kenji Suyama : Multiple Sound Source Tracking by Two Microphones using PSO, Proceedings of IEEE ISPACS2013, 2013(Okinawa, Japan)
- Yuji Nishimura and Kenji Suyama : An Avoidance of Premature Convergence in IIR Filter Design using PSO, Proceedings of APSIPA ASC 2013, 2013(Kaohsiung, Taiwan)
- Takuya Imaizumi and Kenji Suyama : An Effective Allocation of Non-zero Digits for CSD Coefficient FIR Filters Using 0-1PSO, Proceedings of APSIPA ASC 2013, 2013(Kaohsiung, Taiwan)
- Kazuki Saitoh and Kenji Suyama : A Local Minimum Stagnation Avoidance in Design of CSD Coefficient FIR Filters by Adding Gaussian Function, Proceedings of APSIPA ASC 2013, 2013(Kaohsiung, Taiwan)
- Hiroshi Umezu and Kenji Suyama : Multiple Sound Source Localization based on Local Existence Property of Speech Signal, Proceedings of 2011 WASET International Conference on Communications and Signal Processing, ICCSP2011, pp.676-679, 2011(Phuket, Thailand)
- Kenji Suyama, Masahiro Oshida, and Noboru Owada : Multiple Moving Talker Tracking by Integration of Two Successive Algorithms, Proceedings of 2011 WASET International Conference on Communications and Signal Processing, ICCSP2011, pp.738-741, 2011(Phuket, Thailand)
- Nobuo Takahashi and Kenji Suyama : Design of CSD coefficient FIR filters based on branch and bound method, Proceedings of 10th IEEE International Symposium on Communications and Information Technologies, ISCIT2010, pp.570-573, 2010(Tokyo, Japan)
- Noboru Ohwada and Kenji Suyama : Fast sound source tracking method using two successive algorithms, Proceedings of 2009 IEEE International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS2009, pp.295-298, 2009(Kanazawa, Japan)
- Noboru Ohwada and Kenji Suyama : Multiple sound source tracking method based on subspace tracking, Proceedings of 2009 IEEE Workshop on Application of Signal Processing to Audio and Acoustics, WASPAA2009, pp.217-220, 2009(NewYork, USA)
- Daisuke Tsuji and Kenji Suyama : A moving sound source tracking based on two successive algorithms, Proceedings of 2009 IEEE International Symposium on Circuits and Systems, ISCAS2009, pp.2577-2580, 2009(Taipei, Taiwan)
- Kenji Suyama and Kota Takahashi : A talker tracking method using two microphones based on the sound source localization, Proceedings of 2005 European Signal Processing Conference, EUSIPCO2005, ThuAMPO2, 2005
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : A heuristic approach for design of FIR filters with SP2 coefficients, Proceedings of 2004 IEEE Asia-Pacific Conference on Circuits and Systems, APCCAS2004(Tainan, Taiwan), pp.1117-1120, 2004
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : A new heuristic approach for design of FIR filters with SP2 coefficients in a min-max sense, Proceedings of 7th International Conference on Signal Processing, ICSP'04(Beijing, China), pp.81-84, 2004
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : A powers-of-two term allocation algorithm for designing FIR filters with CSD coefficients in a min-max sense, Proceedings of 12th European Signal Processing Conference, EUSIPCO2004(Vienna, Austria), pp.987-990, 2004
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : A new heuristic signed power-of-two term allocation approach for designing of FIR filters, Proceedings of 2003 IEEE International Symposium on Circuits and Systems, ISCAS2003(Bangkok, Thailand), pp.IV-285-288, 2003
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : New design methods of FIR filters with SP2 coefficients based on a new linear programming relaxation with triangle inequalties, Proceedings of 11th European Signal Processing Conference, EUSIPCO2002(Toulouse, France), pp.II-615-618, 2002
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi: FIR filter design method by a new linear programming relaxation with triangle inequalties, Proceedings of The 4th International Symposium on Operations Research and Its Applications, ISORA2002(Yichang-Chongqing, China), pp.202-210, 2002
- Rika Ito, Tetsuya Fujie, Kenji Suyama and Ryuichi Hirabayashi : New design methods of FIR filters with signed power of two coefficients using a new linear programming relaxation with triangle inequalties, Proceedings of 2002 IEEE International Symposium on Circuits and Systems, ISCAS2002(Arizona, USA), pp.I-813-816, 2002
- Kenji Suyama, Ken'ichi Takada, Ryuichi Hirabayashi and Hiroshi Iwakura : Optimal design of FIR filters in complex Chebyshev sense using semi-infinite programming method, 2002 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP2002(Florida, USA), pp.III.3140-III.3143, 2002
- Kenji Suyama, Kota Takahashi and Ryuichi Hirabayashi : A robust technique for sound source localization in consideration of room capacity, 2001 IEEE Workshop on Application of Signal Processing to Audio and Acoustics, WASPAA'01(NewYork, USA), pp.63-66, 2001
- Rika Ito, Kenji Suyama and Ryuichi Hirabayashi : Design of discrete coefficients FIR filter based on semi-infinite optimization technique, European Conference on Circuit Theory and Design, ECCTD'01(Espoo, Finland), pp.I-233-236, 2001
- Rika Ito, Kenji Suyama and Ryuichi Hirabayashi : Optimal design method for FIR filter with discrete coefficients based on integer semi-infinite linear programs, 2001 IEEE International Conference on Acoustic, Speech and Signal Processing, ICASSP2001(Saltlake, USA), pp.VI-3805-3808, 2001
- Rika Ito, Kenji Suyama and Ryuichi Hirabayashi : Optimal design of FIR filter with discrete coefficients based on integer semi-infinite linear programs, Proceedings of 2001 IEEE International Symposium on Circuits and Systems, ISCAS2001(Sydney, Australia), pp.II-629-632, 2001
- Kenji Suyama and Ryuichi Hirabayashi : A learning algorithm for adaptive microphone array based on mathematical programming methods, Proceedings of 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP2000, pp.II-861-864, 2000
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