@article{oai:ir.soken.ac.jp:00005094,
 author = {KITAMURA, Daichi and SARUWATARI, Hiroshi and KAMEOKA, Hirokazu and TAKAHASHI, Yu and KONDO, Kazunobu and NAKAMURA, Satoshi},
 issue = {4},
 journal = {IEEE/ACM Transactions on Audio, Speech, and Language Processing, IEEE/ACM Transactions on Audio, Speech, and Language Processing},
 month = {Apr},
 pages = {654--669},
 title = {Multichannel Signal Separation Combining Directional Clustering and Nonnegative Matrix Factorization with Spectrogram Restoration},
 volume = {23},
 year = {2015}
}