@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00006136,
 author = {藤垣, 健太郎},
 month = {Mar},
 title = {MFCC-based GMMを用いたNon-negative Matrix Factorizationの高精度化とその雑音環境下音声認識への応用},
 year = {2015}
}