(Last updated : 2020-02-21 21:23:05)
  MURAKAMI Takahiro
   Department   Undergraduate School  , School of Science and Technology
   Position   Senior Assistant Professor
■ Books and Papers
1. 2019/11 Article A generalization of Laplace nonnegative matrix factorization and its multichannel extension (Collaboration) 
2. 2019/09 Article Laplace nonnegative matrix factorization with application to semi-supervised audio denoising (Collaboration) 
3. 2019/05 Article A nonparametric Bayesian model for system identification based on a super-Gaussian distribution (Collaboration) 
4. 2018/11 Article Blind system identification for acoustic impulse responses based on maximum likelihood estimation (Collaboration) 
5. 2018/11 Article Robust FIR system identification for super-Gaussian noise based on hyperbolic secant Distribution (Collaboration) 
Display all(37)
■ Conference Presentations
1. 2017/03/03 An approach to a model following sliding mode controller design based on a Takagi-Sugeno fuzzy model (NCSP'17)
2. 2016/11/29 The largest Cramer-Rao Lower Bound for variance estimation of acoustic signals (5th ASA/ASJ)
3. 2016/03/07 Polyphonic music transcription using supervised nonnegative matrix factorization combined with musical key estimation (NCSP'16)
4. 2014/10/29 Improvement of the histogram in the DUET algorithm (168th ASA)
5. 2014/10/29 Start point estimation of a signal in a frame (168th ASA)
Display all(13)
■ Academic Qualifications
1. 2002/04~2005/03 〔Doctoral course〕 Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, Completed, Doctor of Engineering
2. 2000/04~2002/03 〔Master degree program〕 Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, Completed, Master of Engineering
3. 1996/04~2000/03 Department of Electronics and Communication Engineering, School of Science and Technology, Meiji University, Graduated,
■ Career History
1. 2012/04~ Meiji University School of Science and Technology Assistant Professor
2. 2009/04~2012/03 Tokyo Metropolitan College of Industrial Technology Assistant Professor at the Department of Monozukuri Engineering
3. 2006/04~2009/03 JSPS Research Fellow
4. 2005/04~2006/03 Meiji University Research Assistant at the School of Science and Technology
■ Academic Associations Membership
1. 2000/04~ Institute of Electronics, Information and Communication Engineers (IEICE)
■ Research Topics, Consignment Studies & KAKENHI Researches
1.   Pitch estimation for automatic music transcription  (Key Word : pitch estimation, fundamental frequency estimation, automatic music transcription)
2.   Signal separation for a super directional microphone array  (Key Word : signal separation, super directivity, microphone array)
3.   System identification for measurement of an acoustic impulse response  (Key Word : acoustic impulse response, system identification)
4.   Time-scale/pitch-scale modification for the elderly  (Key Word : time scale modification, pithc scale modification, hearing aid)
■ Email Addresses
■ Award History
1. 2016/03 CSPA 2016 Best Paper Award
2. 2015/12 AIMS 2015 Best Paper Award
3. 2014/10 ISA Transactions Best Paper Award
4. 2013/09 SISA 2013 Best Paper Award
■ Current Specialized Field
Rehabilitation science